
Popular airlines from George Bush Intercontinental Airport (IAH) to Humberto Delgado Airport (LIS)
- British Airways
British Airways
- Lufthansa
Lufthansa
- Air Canada
Air Canada
- Turkish Airlines
Turkish Airlines
- TAP Portugal
TAP Portugal
- Brussels Airlines
Brussels Airlines
- Iberia
Iberia
- Plan, book, fly with confidence
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Cheap Flights from Houston to Lisbon (IAH-LIS)
Prices were available within the past 7 days and start at $463 for one-way flights and $584 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Houston (IAH) to Lisbon (LIS)
November is typically the cheapest month to fly
Graph displaying average flight prices per month
Alternative airports near Lisbon
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | George Bush Intercontinental |
Destination airport | Humberto Delgado |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic |
Roundtrip price | $583 |
Distance | 4770 mi |
Houston to Lisbon Flights
The cheapest times to fly from Houston to Lisbon
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Lisbon are during the month of November. You can find some of the cheapest flights from Houston to Lisbon with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Houston to Lisbon
Sunday is one of the best days to book for cheap flights from Houston to Lisbon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Houston to Lisbon
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Lisbon in 2025. You can also book with separate airlines for your outbound and return journeys, from $463 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Lisbon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Lisbon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
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Top Routes from Houston
- Houston to Chicago (IAH - ORD)
- Houston to Newark Liberty Intl. Airport (IAH - EWR)
- Houston to Mexico City (IAH - MEX)
- Houston to Los Angeles (IAH - LAX)
- Houston to Miami (IAH - MIA)
- Houston to Punta Cana (IAH - PUJ)
- Houston to New York (IAH - LGA)
- Houston to Fort Lauderdale (IAH - FLL)
- Houston to Boston (IAH - BOS)
- Houston to Toluca (IAH - TLC)
- Houston to Denver (IAH - DEN)
- Houston to New York (IAH - JFK)
Top Routes to Lisbon
- Chicago to Lisbon (ORD - LIS)
- Newark Liberty Intl. Airport to Lisbon (EWR - LIS)
- Los Angeles to Lisbon (LAX - LIS)
- Washington to Lisbon (DCA - LIS)
- Miami to Lisbon (MIA - LIS)
- Boston to Lisbon (BOS - LIS)
- New York to Lisbon (LGA - LIS)
- Fort Lauderdale to Lisbon (FLL - LIS)
- Denver to Lisbon (DEN - LIS)
- Washington to Lisbon (IAD - LIS)
- New York to Lisbon (JFK - LIS)
- Seattle to Lisbon (SEA - LIS)
Top Routes from Houston
- Spirit Airlines Houston to Chicago
- Spirit Airlines Houston to Newark Liberty Intl. Airport
- Aeromexico Houston to Mexico City
- Spirit Airlines Houston to Los Angeles
- Spirit Airlines Houston to New York
- Spirit Airlines Houston to Fort Lauderdale
- JetBlue Airways Houston to Boston
- Frontier Airlines Houston to Denver
- American Airlines Houston to New York
- Alaska Airlines Houston to Seattle
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- Flights to Aveiro
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Houston
Nearby Airports
- William P. Hobby Airport (HOU)
- Ellington Field Airport (EFD)
- Eagle Lake Airport (ELA)
- Beaumont Municipal Airport (BMT)
- Easterwood Airport (CLL)
- Southeast Texas Regional Airport (BPT)
- A L Mangham Jr. Regional Airport (OCH)
- Victoria Regional Airport (VCT)
- Lake Charles Regional Airport (LCH)
- Austin-Bergstrom Intl. Airport (AUS)
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