S$865 Cheap Flights from Houston to Lisbon

View S$865 flight on Thu, 9 Oct, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Humberto Delgado Airport (LIS)

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Cheap Flights from Houston to Lisbon (IAH-LIS)

Prices were available within the past 7 days and start at S$865 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Houston Airport to Humberto Delgado Airport (LIS)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between George Bush Intercontinental Airport (IAH) and Lisbon/Portela Airport was . Cheap tickets don’t stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from George Bush Intercontinental Airport (IAH) to Lisbon Airport?
The majority of flights can be cancelled online, but each airline has its own set of terms and conditions. If you do decide to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from George Bush Intercontinental Airport (IAH) to Humberto Delgado Airport (LIS) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for IAH to Lisbon Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from IAH to Lisbon/Portela Airport?
The distance is around 7,700 kilometres, so pack your carry-on bag with all the things you need to make the long journey comfortable. Not sure what to take on board your Houston to Lisbon District flight? A neck pillow, earplugs and a sleep mask are among the essentials.
Which airlines fly direct from IAH to Lisbon Airport?
There are no direct flights, so you’ll have to make at least one stop between George Bush Intercontinental Airport (IAH) and Humberto Delgado Airport (LIS). Take advantage of the layover time to stretch your legs and take a break.
Are Houston Airport to Lisbon/Portela Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from George Bush Intercontinental Airport (IAH) to Humberto Delgado Airport (LIS) can be hit-or-miss. You might be lucky and score a bargain, but you could also miss out completely! If you’d rather play it safe and start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines advertise their prices so far in advance. Our top tip? Check back often as updates are made regularly.
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