S$639 Cheap Flights from Houston to Lisbon

View S$639 flight on Tue, 31 Mar, 2026Opens 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$639 for one-way flights and S$794 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$794 Return, found 4 days ago
S$794
Return
found 4 days ago
Select Delta flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$794 found 4 days ago
Air Canada
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$801 Return, found 4 days ago
S$801
Return
found 4 days ago
Select Air Canada flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$801 found 4 days ago
Virgin Atlantic
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$801 Return, found 4 days ago
S$801
Return
found 4 days ago
Select Virgin Atlantic flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$801 found 4 days ago
Air Canada
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$807 Return, found 4 days ago
S$807
Return
found 4 days ago
Select Air Canada flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$807 found 4 days ago
Air Canada
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$810 Return, found 4 days ago
S$810
Return
found 4 days ago
Select Air Canada flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$810 found 4 days ago
Air Canada
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$817 Return, found 4 days ago
S$817
Return
found 4 days ago
Select Air Canada flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$817 found 4 days ago
Virgin Atlantic
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$822 Return, found 4 days ago
S$822
Return
found 4 days ago
Select Virgin Atlantic flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$822 found 4 days ago
Lufthansa
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$829 Return, found 4 days ago
S$829
Return
found 4 days ago
Select Lufthansa flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$829 found 4 days ago
Delta
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$830 Return, found 4 days ago
S$830
Return
found 4 days ago
Select Delta flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$830 found 4 days ago
KLM
Tue, 31 Mar - Wed, 8 Apr
IAH
Houston
LIS
Lisbon
S$833 Return, found 4 days ago
S$833
Return
found 4 days ago
Select KLM flight, departing Tue, 31 Mar from Houston to Lisbon, returning Wed, 8 Apr, priced at S$833 found 4 days ago

Find the cheapest month to fly from Houston (IAH) to Lisbon (LIS)

February is typically the cheapest month to fly

From S$651 - S$1,264 per traveller.
Houston to Lisbon route information
Origin airport
George Bush Intercontinental
Destination airport
Humberto Delgado
Return price
S$794
Distance
7632 km

Flights from Houston to Lisbon District

There are several airlines that operate frequent flights from Houston (IAH) to Lisbon (LIS) including

The earliest flight leaves George Bush Intercontinental Airport at 09:50 and arrives at Portela Airport at 05:25. The last flight of the day departs Houston at 23:05 and arrives at Lisbon at 19:10.

The flight distance from Houston to Lisbon is about 8699 km, the shortest flight is 11 hours 08 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Lisbon District flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Houston Lisbon District flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Houston to Lisbon District trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Lisbon District flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Houston to Lisbon District with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$794. 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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