Cheap Flights from Lisbon (LIS) to Houston (IAH)

View AU$939 flight on Thu, 11 June 2026Opens in a new window

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

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Cheap Flights from Lisbon (LIS) to Houston (IAH)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Lisbon Airport to Houston Airport?
The lowest price advertised for a round-trip journey between Humberto Delgado Airport (LIS) and IAH is . But you better act fast. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Humberto Delgado Airport (LIS) to George Bush Intercontinental Airport (IAH)?
Most flights can be conveniently cancelled online, but whether you are charged a fee all comes down to your airline. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Lisbon/Portela Airport to Houston Airport 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 Lisbon Airport to IAH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Lisbon/Portela Airport to George Bush Intercontinental Airport (IAH)?
You'll have 7 700 kilometres to cover on the long-haul Lisbon District to Houston route. Dress in layers of comfortable clothes and consider taking a pair of noise-cancelling earphones.
Which airlines fly direct from Lisbon/Portela Airport to Houston Airport?
If you want to travel straight from LIS to George Bush Intercontinental Airport (IAH), you'll have to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly between these airports.
Are Lisbon Airport to IAH flight tickets cheaper when they're purchased at the last minute?
It is possible to score an amazing last-minute deal from Lisbon Airport to Houston Airport, but it's also possible to miss out entirely! As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be sure you're always getting the latest offers.

Frequently asked questions

How do I find cheap flights from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
There are approximately 52 connecting flights per day from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental). Some common connection points include Adolfo Suarez Madrid-Barajas (MAD), Heathrow (LHR), and Unknown (DUB).
What is the earliest flight from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) typically departs at approximately 5:00 AM local time. This service is operated by KLM and Delta. This is a seasonal service active in June and September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
You'll typically find the most flights from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) on a Wednesday, with around 51 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include TAP Air Portugal, British Airways, and Lufthansa. Compared to other days, Wednesdays offer notably more flight options.
What are the most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) are in the morning, from 9am to 12pm. Around 46 AUD% of passengers reckon this time window's best. Heaps of major carriers, including United Airlines and American Airlines, offer flights during this window. This timing works well because it allows for a morning departure, getting you on your way to Houston without an overly early start.
How long does it take to fly from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
Flying from LIS to IAH with a connection usually takes about 16 hours 30 minutes, traveling roughly 4,771 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
Select the "Business class" and "First class" filters when looking for LIS to IAH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
It's easy to earn miles on a Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston from Humberto Delgado (LIS)?
When traveling from Humberto Delgado (LIS) to Houston, you can fly into William P. Hobby (HOU) and George Bush Intercontinental (IAH). Some flights may connect through major hubs like Adolfo Suarez Madrid-Barajas (MAD), Philadelphia Intl. (PHL), Logan Intl. (BOS) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Humberto Delgado
Destination airport
George Bush Intercontinental
Distance
7632 km

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Your quick guide to flights from Lisbon to Houston

Pick up great flights from Lisbon to Houston

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Lisbon to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Lisbon to Houston that take around hours.

Find cheap flights from Lisbon to Houston

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Lisbon to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in .

Reasons to book your flight from Lisbon to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Lisbon to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Lisbon to Houston

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