Fly Houston to London Gatwick, train • 13h 25m. Fly from Houston (IAH) to London Gatwick (LGW) IAH - LGW. Take the train from Gatwick Airport to Farringdon. £385 - £937.4850 miles · (7804 km) CHANGE DIRECTION. Flight time. 10 hours and 00 minute. Airlines with direct flights from Houston (IAH) to London (LHR) British Airways. Oneworld. S. M. … ️ Use the interactive calendar available on Expedia to see the cheapest American Airlines (Houston IAH - London LHR) ticket prices during the weeks surrounding your travel dates. Compare flight prices for similar timeframes and adjust departure and return dates to get the cheapest fare possible. The lowest-priced days are highlighted in green. $ 630. * 1 Passenger, Economy. Home. United flights. Flights to United Kingdom. Houston - London. Featured daily fares for flights from Houston (IAH) to London (LHR) Economy. …There are 2 airlines that fly nonstop from London to Houston George Bush Intcntl Airport. They are British Airways and United Airlines. The cheapest airline for this route is United Airlines, with the best one-way deal found costing $653. On average, the best prices for this route can be found at United Airlines.Lufthansa flight deals and tickets from Houston to London (IAH to LHR) from $696Cheap Flights from Houston to Cochin (IAH-COK) Prices were available within the past 7 days and start at $457 for one-way flights and $640 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to Cochin with no change fee on selected flights.IAH to London miles upgrade to business . Discussion Hey guys, question to anyone that might have seen this upgrade before. Flying premium plus to London and am being offered a 20k mile + $400 upgrade option to Polaris. Purchase option is 4K. Is this upgrade option pretty standard for those who have flown this route and seen the upgrade options?Amazing United IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $598 round trip and $471 one way. Prices and availability subject to change. Additional terms may apply. Mon, Oct 14 - Mon, Oct 21.(IAH) to London Heathrow (LHR) Roundtrip One way Multi-city. Depart. 3/25/24. Return. 4/1/24. Travelers and cabin class. 1 adult, Economy. Direct flights only. …BA194 and Houston IAH to London LHR Flights. Flight BA194 is code-shared by 4 airlines using the flight numbers AA6951, AY5494, EI8894, IB7389. Other flights departing from Houston IAH: WN6115, LH441, DL1572, AF637. Other flights arriving at London LHR: BA28, UA901, BA126, BA212.The basics. ERIC ROSEN/THE POINTS GUY. As noted above, British Airways uses a distance-based formula for calculating how many Avios you need for a given flight. To maximize value with this chart type, you need to take a different approach than you would with zone-based charts or dynamic pricing.Find airfare and ticket deals for cheap flights from Houston George Bush Intcntl Airport (IAH) to London, Canada. Search flight deals from various travel partners with one click at $808.The cheapest way to get from Houston Airport (IAH) to Barcelona costs only €555, and the quickest way takes just 12¾ hours. Find the travel option that best suits you. ... Flights from Houston to Girona via London Heathrow, Brussels Ave. Duration 21h 25m When Thursday and Sunday Estimated price €600 - €2200 ...Cheap flights from Houston to London start from $442. Anything between $442 and $2,440 is a good price. Flying Houston Hobby - London Heathrow costs around $593. The travel industry and airlines use IATA (International Air Transport Association) codes like IAH to LHR for calling airports.Mon, Nov 18 - Fri, Nov 29. IAH. Houston. LHR. London. $487. Roundtrip.London. Oct 15 - Oct 21. October 15 to October 21. $480. IAH. London. Oct 22 - Oct 30. October 22 to October 30. $492.Get United cheap flights from Houston to London. Book one-way or return flight from IAH → LHR with United (UA) deals & save!Discover our best Singapore Airlines flight from Houston IAH to London LHR. To find the best deals on flights to Houston from London with Singapore Airlines, just enter your travel dates, filter by Singapore Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and London Heathrow Airport (LHR) On average, flying from Houston to London generates about 562 kg of CO2 per passenger, and 562 kilograms equals 1 240 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.Singapore Airlines flight deals and tickets from Houston to London (IAH to SEN) Amazing United IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $598 round trip and $471 one way. Prices and availability subject to change. Additional terms may apply. Mon, Oct 14 - Mon, Oct 21. Iberia Flights from Houston to London (IAH to LHR) starting at $819. As COVID-19 disrupts travel, a few airlines are offering WAIVING CHANGE FEE for new bookings Cheap Flights from Houston (IAH) to London (LHR) Prices were available within the past 7 days and start at £325 for one-way flights and £473 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Houston to London with no change fee on selected ... Amazing British Airways IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $595 round trip and $436 one way. Prices and availability subject to change. Additional terms may apply. Mon, Mar 3 - Mon, Mar 10.The cheapest way to get from Houston Airport (IAH) to Rotterdam costs only €649, and the quickest way takes just 9½ hours. Find the travel option that best suits you. ... Fly from Houston (IAH) to London Heathrow (LHR) IAH - LHR; Take the train from London St Pancras Intl to Rotterdam Centraal; €421 - €1286. Fly to Frankfurt, train ...IAH. Houston. LHR. London. $598. Roundtrip. found 3 days ago. Wed, Dec 11 - Wed, Dec 18. IAH. Houston. LHR. London. $605.Amazing Virgin Atlantic IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $622 round trip and $482 one way. Prices and availability subject to change. Additional terms may apply. Sun, Oct 6 - Tue, Oct 8. Airlines flying from Houston to London Gatwick. In total there are 3 airlines that cover the full route from Houston IAH to London Gatwick LGW. These airlines are: JetBlue (B6) Lufthansa (LH) Delta (DL) All other flights from Houston to London Gatwick are operated by a combination of multiple carriers, which are listed below: 09/24/24 - 10/03/24. from. $ 986*. Viewed: 17 hours ago. From. Houston (IAH) To. Barcelona (BCN) Roundtrip. Economy. 07/23/24 - 08/01/24. from. $ 239*. Viewed: 2 minutes ago. From. Houston (IAH) To. Boston (BOS) Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and London Heathrow Airport (LHR) On average, flying from Houston to London generates about 562 kg of CO2 per passenger, and 562 kilograms equals 1 240 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel. The cheapest way to get from Houston Airport (IAH) to Rotterdam costs only €649, and the quickest way takes just 9½ hours. Find the travel option that best suits you. ... Fly from Houston (IAH) to London Heathrow (LHR) IAH - LHR; Take the train from London St Pancras Intl to Rotterdam Centraal; €421 - €1286. Fly to Frankfurt, train ...$436 Cheap British Airways flights Houston (IAH) to London (LHR) Prices were available within the past 7 days and start at $436 for one-way flights and $487 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Flight UA4 from London to Houston is operated by United Airlines. Scheduled time of departure from Heathrow is 13:40 BST and scheduled time of arrival in George Bush Intercontinental is 17:55 CDT. The duration of the flight United Airlines UA 4 is 10 hours 15 minutes.To Los Angeles. To Seattle. To New York/Newark. To Boston. To Honolulu. To Miami. To Dallas. Find United Airlines best fares from Houston to the United Kingdom. Book a Houston to the United Kingdom flight and enjoy our premium cabins with speedy Wi-Fi.Singapore Airlines flight deals and tickets from Houston to London (IAH to SEN) Cheap Flights from Houston to London (IAH-LON) Prices were available within the past 7 days and start at $220 for one-way flights and $500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. Find airfare and ticket deals for cheap flights from Houston George Bush Intcntl Airport (IAH) to London, Canada. Search flight deals from various travel partners with one click at $808.Cheap Flights from Houston to London (IAH-LHR) Prices were available within the past 7 days and start at $405 for one-way flights and $501 for round trip, for the period …Flight UA4 from London to Houston is operated by United Airlines. Scheduled time of departure from Heathrow is 13:40 BST and scheduled time of arrival in George Bush Intercontinental is 17:55 CDT. The duration of the flight United Airlines UA 4 is 10 hours 15 minutes.Direct. Sun, May 5 LHR – IAH with Lufthansa. Direct. from $404. London.$584 per passenger.Departing Wed, Oct 9, returning Wed, Oct 16.Round-trip flight with British Airways and Iberia.Outbound indirect flight with British Airways, departing from Houston George Bush Intercntl. on Wed, Oct 9, arriving in London Heathrow.Inbound …6 days ago · Find airfare and ticket deals for cheap flights from Houston George Bush Intcntl Airport (IAH) to London, England. Search flight deals from various travel partners with one click at $188. The total flight duration from IAH to LHR is 10 hours, 10 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing. Your exact time may vary depending on wind speeds. If you're planning a trip, remember to add more ...Mar 15, 2024 · 20:45. British Airways. BA196. Show price. Ad. Houston, IAH to London, LHR flight path. The distance is 4850 miles or 7804 km. Ad. George Bush Intcntl Houston to Heathrow direct flight information. Fly to London Luton, train • 12h 33m. Fly from Houston (IAH) to London Luton (LTN) IAH - LTN. Take the train from Luton to London St Pancras Intl. £280 - £1,021. Quickest way to get there Cheapest option Distance between.Fly Emirates to Houston (IAH) and beyond. Get inspired by our recommended destinations and book your next flight or vacation today. And on your way, enjoy superior comfort, gourmet meals and award-winning entertainment with us, whether you’re flying in Economy Class, Premium Economy, Business Class or First Class.Cheap Flights from IAH to LHR starting at $220 One Way, $490 Round Trip. Prices starting at $490 for return flights and $220 for one-way flights to Heathrow were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply. Wed, Apr 24 - Tue, Sep 24.Tue, May 14 LTN – IAH with Wizz Air UK. 1 stop. from $537.Our data shows that the cheapest route for a one-way flight from Houston George Bush Intcntl Airport to London cost $439 and was between Houston George Bush Intcntl Airport and London Heathrow Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $597.Fly to London Luton, train • 12h 33m. Fly from Houston (IAH) to London Luton (LTN) IAH - LTN. Take the train from Luton to London St Pancras Intl. £280 - £1,021. Quickest way to get there Cheapest option Distance between. Airlines flying from Houston to London Gatwick. In total there are 3 airlines that cover the full route from Houston IAH to London Gatwick LGW. These airlines are: JetBlue (B6) Lufthansa (LH) Delta (DL) All other flights from Houston to London Gatwick are operated by a combination of multiple carriers, which are listed below: IAH. Houston. LHR. London. $584. Roundtrip.1 stop. Wed, 1 May LHR - IAH with Air France. 1 stop. from £477. London. £478 per passenger.Departing Tue, 27 Aug, returning Tue, 10 Sep.Return flight with Virgin Atlantic.Outbound indirect flight with Virgin Atlantic, departs from Houston George Bush Intercntl. on Tue, 27 Aug, arriving in London Heathrow.Inbound indirect flight with Virgin ...IAH. Houston. LHR. London. $598. Roundtrip. found 3 days ago. Wed, Dec 11 - Wed, Dec 18. IAH. Houston. LHR. London. $605.Return flights from Houston IAH to London LHR with JetBlue Airways. If you’re planning a round trip, booking return flights with JetBlue Airways is usually the most cost-effective option. With airfares ranging from $722 to $722, it’s easy to find a flight that suits your budget. Prices and availability subject to change.The easy way to find cheap flights to London LHR from Houston IAH with Finnair To find a cheap Finnair flight from Houston IAH to London LHR, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise , if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.London. $794 per passenger. Departing Wed, Apr 17, returning Wed, Apr 24. Round-trip flight with Air France and easyJet. Outbound indirect flight with Air France, departing from Houston George Bush Intercntl. on Wed, Apr 17, arriving in London Stansted.There are 2 airlines that fly nonstop from London to Houston George Bush Intcntl Airport. They are British Airways and United Airlines. The cheapest airline for this route is United Airlines, with the best one-way deal found costing $653. On average, the best prices for this route can be found at United Airlines.Disclaimer for Flight Radar Data. Flight UA5 from Houston to London is operated by United Airlines. Scheduled time of departure from George Bush Intercontinental is 20:15 CDT and scheduled time of arrival in Heathrow is 11:35 BST. The duration of the flight United Airlines UA 5 is 9 hours 20 minutes. Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and London Heathrow Airport (LHR) On average, flying from Houston to London generates about 562 kg of CO2 per passenger, and 562 kilograms equals 1 240 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel. Cheap Flights from Houston (IAH) to London (LHR) Prices were available within the past 7 days and start at £325 for one-way flights and £473 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Reserve one-way or return flights from Houston to London with no change fee on selected ... No flights were found departing from George Bush Intercontinental Airport and arriving in London Heathrow Airport at the given time period. Please change the filter criteria above and try again. (IAH to LHR) Track the current status of flights departing from (IAH) George Bush Intercontinental Airport and arriving in (LHR) London Heathrow …United Airlines FLIGHT UA4 from London to Houston. On-time Performance, delay statistics and flight information for UA4 LIVE TRACKING ... LHR -> IAH London 20 Apr 13:40 BST London (LHR / EGLL) 20 Apr 13:40 BST: Houston 20 Apr 17:55 CDT Houston (IAH / KIAH) 20 Apr 17:55 CDT: 19. Apr On TimeThe flight distance from George Bush Intercontinental Airport ( IAH) to London Heathrow Airport ( LHR) is 4824 miles. This is equivalent to 7763 kilometers or 4189 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports. Cheap Flights from Houston to London (IAH-LHR) Prices were available within the past 7 days and start at $405 for one-way flights and $501 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. Amazing Delta IAH to LHR Flight Deals. The cheapest flights to Heathrow found within the past 7 days were $590 round trip and $440 one way. Prices and availability subject to change. Additional terms may apply. Sun, Sep 22 - Tue, Sep 24. British Airways FLIGHT BA194 from Houston to London. On-time Performance, delay statistics and flight information for BA194 LIVE TRACKING SEARCH ... (IAH / KIAH) 20 Apr 15:35 CDT: London 21 Apr 06:50 BST London (LHR / EGLL) 21 Apr 06:50 BST: 21 Apr 06:46 * 3min early 19. Apr There are 2 airlines that fly nonstop from London Heathrow Airport to Houston George Bush Intcntl Airport. They are British Airways and United Airlines. The cheapest airline for this route is United Airlines, with the best one-way deal found costing $649. On average, the best prices for this route can be found at United Airlines. Fly Emirates to Houston (IAH) and beyond. Get inspired by our recommended destinations and book your next flight or vacation today. And on your way, enjoy superior comfort, gourmet meals and award-winning entertainment with us, whether you’re flying in Economy Class, Premium Economy, Business Class or First Class. Flights to Dubai.Iberia Flights from Houston to London (IAH to LHR) starting at $819. As COVID-19 disrupts travel, a few airlines are offering WAIVING CHANGE FEE for new bookings10/13/24 - 10/20/24. from. $ 819*. Viewed: 15 hours ago. From. Houston (IAH) To. Edinburgh (EDI) Roundtrip.Houston George Bush Intcntl London Heathrow. IAH - LHR. IAH LHR. Houston George Bush Intcntl. Tue 9/10. 2 stops 23h 10m. London Heathrow. Wed 9/18. 2 stops 23h 19m. $632. Pick Dates. Flights are sorted by cheapest first. Deals found on 4/23. IAH-LHR.Cheap flight deals from Houston to London (IAH-YXU) Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Houston to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals ...Each day, there are between 6 and 7 nonstop flights that take off from Houston George Bush Intcntl Airport and land in London, with an average flight time of 9h 19m. The most common departure time is 20:00 and most flights take off in the evening, while the most flights land at London Heathrow Airport. Each week, there are 48 flights.The cheapest way to get from Houston Airport (IAH) to Bordeaux costs only €568, and the quickest way takes just 12½ hours. Find the travel option that best suits you. ... Flights from Houston to Biarritz via London Heathrow, Paris Charles de Gaulle Ave. Duration 14h 45m When Every day Estimated price €420 - €1400 ...United Airlines FLIGHT UA880 from Houston to London. On-time Performance, delay statistics and flight information for UA880 LIVE TRACKING SEARCH ... IAH -> LHR Houston 23 Apr 16:20 CDT Houston (IAH / KIAH) 23 Apr 16:20 CDT: London 24 Apr 07:40 BST London (LHR / EGLL) 24 Apr 07:40 BST: EstimatedFlight time from Houston to London via Detroit, MI • IAH to LHR via DTW. Flight duration from George Bush Intercontinental Airport to London Heathrow Airport via Detroit Metropolitan Wayne County Airport, United States on Delta Air Lines flight is 11 hours 54 minutes. IAH to DTW. 2 hrs 47 mins. DTW.Flights from Houston (IAH) to Southampton (SOU) Origin airport. George Bush Intercontinental. Destination airport. Southampton. Airlines serving. British Airways, Delta, KLM, Virgin Atlantic. Popular airline. Virgin Atlantic.Flights between Houston and London, UK - our lowest fares in cash. Looking for flights from Houston (IAH) to London, UK (LHR)? Fly Air Canada, voted "Best Airline in North America" by Skytrax and Global Traveler Magazine. Book your Houston to London, UK flight today. Sat, Apr 27 LGW – IAH with Norse Atlantic Airways (UK) 1 stop. from $427. London.$447 per passenger.Departing Wed, Apr 24, returning Wed, May 8.Round-trip flight with Spirit Airlines and Norse Atlantic Airways (UK).Outbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Wed, Apr 24, arriving in London ... Most popular destinations from London (LON) Fly Emirates to London (LON) and beyond. Get inspired by our recommended destinations and book your next flight or vacation today. And on your way, enjoy superior comfort, gourmet meals and award-winning entertainment with us, whether you’re flying in Economy Class, Premium Economy, Business Class ...Our data shows that the cheapest route for a one-way flight from Houston to London Heathrow Airport cost $442 and was between Houston George Bush Intcntl Airport and London Heathrow Airport. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $553.
Cheap flight deals from Houston to London City (IAH-LCY) Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from …. Flights to denver from lax
IAH - LON. Find cheap flights from Houston George Bush Airport to London from $188. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct …09/24/24 - 10/03/24. from. $ 986*. Viewed: 17 hours ago. From. Houston (IAH) To. Barcelona (BCN) Roundtrip.While the most popular route (Houston George Bush Intcntl - London Heathrow) can be booked for $524 on average our data indicates $2,486 when flying …IAH. Houston. LHR. London. $598. Roundtrip. found 3 days ago. Wed, Dec 11 - Wed, Dec 18. IAH. Houston. LHR. London. $605.IAH - LON. Find cheap flights from Houston George Bush Airport to London from $188. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Sat 5/18. Sat 5/25. Search. Direct …The basics. ERIC ROSEN/THE POINTS GUY. As noted above, British Airways uses a distance-based formula for calculating how many Avios you need for a given flight. To maximize value with this chart type, you need to take a different approach than you would with zone-based charts or dynamic pricing.Tue, 30 Apr LHR - IAH with British Airways. Direct. from $924. London.$925 per passenger.Departing Sun, 21 Apr, returning Wed, 1 May.Return flight with Air France.Outbound indirect flight with Air France, departs from Houston George Bush Intercntl. on Sun, 21 Apr, arriving in London Heathrow.Inbound indirect flight with Air …The basics. ERIC ROSEN/THE POINTS GUY. As noted above, British Airways uses a distance-based formula for calculating how many Avios you need for a given flight. To maximize value with this chart type, you need to take a different approach than you would with zone-based charts or dynamic pricing. Cheap Flights from Houston to London (IAH-LCY) Prices were available within the past 7 days and start at $517 for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to London with no change fee on selected flights. How prices are estimated. In most cities, your cost is calculated up front, before you confirm your ride. In others, you will see an estimated price range (see applicable price terms in your city). Here are some fees and factors that can affect your price: The cheapest way to get from Houston Airport (IAH) to London Gatwick Airport (LGW) costs only £361, and the quickest way takes just 10¼ hours. Find the travel option that best suits you.London. $809 per passenger. Departing Tue, Mar 25, returning Thu, Mar 27. Round-trip flight with Lufthansa. Outbound indirect flight with Lufthansa, departing from Houston George Bush Intercntl. on Tue, Mar 25, arriving in London City. The best one-way flight to London from Houston in the past 72 hours is $186. The best round-trip flight deal from Houston to London found on momondo in the last 72 hours is $455. The fastest flight from Houston to London takes 9h 10m. Direct flights go from Houston to London every day. There are 5 airports near London: London City (LCY), London ... Houston George Bush Intcntl London Heathrow. IAH - LHR. IAH LHR. Houston George Bush Intcntl. Tue 9/10. 2 stops 23h 10m. London Heathrow. Wed 9/18. 2 stops 23h 19m. $632. Pick Dates. Flights are sorted by cheapest first. Deals found on 4/23. IAH-LHR. Find cheap flights from Houston to London City from. $429. Round-trip. 1 adult. Economy. 0 bags. Add hotel. Thu 5/23. Thu 5/30. This month, there are 34,552 flights arriving at London Heathrow Airport, which are 1,152 flights per day or 48 flights per hour. On an average day, there is at least 1 flight arriving every 1 minutes. The most frequently departed flights to London Heathrow are routes from New York City (JFK) in United States and Dublin (DUB) in Ireland.The cheapest way to get from Houston Airport (IAH) to London Luton Airport (LTN) costs only £455, and the quickest way takes just 11¼ hours. Find the travel option that best suits you.In the past 3 days, the cheapest one-way tickets to London Gatwick Airport from Houston George Bush Airport were found on American Airlines ($439) and JetBlue ($452), and … Sat, Apr 27 LGW – IAH with Norse Atlantic Airways (UK) 1 stop. from $427. London.$447 per passenger.Departing Wed, Apr 24, returning Wed, May 8.Round-trip flight with Spirit Airlines and Norse Atlantic Airways (UK).Outbound indirect flight with Spirit Airlines, departing from Houston George Bush Intercntl. on Wed, Apr 24, arriving in London ... The cheapest way to get from Houston Airport (IAH) to Bordeaux costs only €568, and the quickest way takes just 12½ hours. Find the travel option that best suits you. ... Flights from Houston to Biarritz via London Heathrow, Paris Charles de Gaulle Ave. Duration 14h 45m When Every day Estimated price €420 - €1400 ...Cheap Flights from Houston to Lisbon (IAH-LIS) Prices were available within the past 7 days and start at $593 for one-way flights and $641 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Houston to Lisbon with no change fee on selected flights..