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CA $753 Cheap Flights from Lisbon (LIS) to Houston (IAH)

View CA $753 flight on Fri, Sep 18, 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 and start at CA $753 for one-way flights and CA $1,283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,283 Roundtrip, found 1 hour ago
CA $1,283
Roundtrip
found 1 hour ago
Select Iberia flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,283 found 1 hour ago
Lufthansa
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,340 Roundtrip, found 1 hour ago
CA $1,340
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,340 found 1 hour ago
United
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,340 Roundtrip, found 1 hour ago
CA $1,340
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,340 found 1 hour ago
Lufthansa
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,347 Roundtrip, found 1 hour ago
CA $1,347
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,347 found 1 hour ago
Lufthansa
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,364 Roundtrip, found 1 hour ago
CA $1,364
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,364 found 1 hour ago
British Airways
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,376 Roundtrip, found 1 hour ago
CA $1,376
Roundtrip
found 1 hour ago
Select British Airways flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,376 found 1 hour ago
Brussels Airlines
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,386 Roundtrip, found 1 hour ago
CA $1,386
Roundtrip
found 1 hour ago
Select Brussels Airlines flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,386 found 1 hour ago
KLM
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,387 Roundtrip, found 1 hour ago
CA $1,387
Roundtrip
found 1 hour ago
Select KLM flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,387 found 1 hour ago
Delta
Sun, Sep 20 - Mon, Sep 28
LIS
Lisbon
IAH
Houston
CA $1,388 Roundtrip, found 1 hour ago
CA $1,388
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Sep 20 from Lisbon to Houston, returning Mon, Sep 28, priced at CA $1,388 found 1 hour ago
Air France
Fri, Sep 18 - Sun, Sep 20
LIS
Lisbon
IAH
Houston
CA $1,388 Roundtrip, found 1 hour ago
CA $1,388
Roundtrip
found 1 hour ago
Select Air France flight, departing Fri, Sep 18 from Lisbon to Houston, returning Sun, Sep 20, priced at CA $1,388 found 1 hour ago

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

April is typically the cheapest month to fly

From CA $1,020 - CA $1,509 per traveller.

Frequently asked questions

How much does a flight from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find one-way and return flights from LIS to IAH with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LIS to IAH ticket fares go up or down.
What is the cheapest month to fly from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
The cheapest months to fly from LIS to IAH are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
Enter LIS to IAH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
KLM is one of the cheapest airlines offering connecting flights from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental), with return tickets starting from around CA$1432 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class, and include a layover in Amsterdam (AMS-Schiphol). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Lisbon (LIS) to Houston, TX (IAH)?
To find a cheap flight from Lisbon (LIS) to Houston, TX (IAH), 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 49 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), Dublin (DUB), and Heathrow (LHR).
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 around 5:00 AM. This service is operated by KLM and Delta. This is a seasonal service, active only in 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 Thursday, with around 46 flights available. This gives you a good selection of options for your journey. Major airlines on this route include TAP Portugal, British Airways, and Air Canada. Flight options are fairly consistent throughout the week, with Thursday offering only slightly more flights than other weekdays.
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 between 9am and 12pm. Many major carriers, including United, American Airlines and Air Canada, offer flights during this window. Many travellers prefer these times as they allow for a relaxed start to the day before heading to the airport.
How long does it take to fly from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
There are no nonstop flights from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental). The distance between these two airports is approximately 7678 kilometres. Flights with one stop typically take around 16 hours 30 minutes. If you have two or more stops, your travel time will be a bit longer, usually around 17 hours 30 minutes. Keep in mind that these are average times, and your actual flight duration can vary depending on the specific route, layover times, and even weather conditions.
Can you fly business or first class from Lisbon (LIS-Humberto Delgado) to Houston, TX (IAH-George Bush Intercontinental)?
You can fly business class or first class between LIS and IAH. Airlines that offer business class service on this route include:
  • Swiss International Air Lines
  • TAP Portugal
  • Lufthansa
  • Iberia
  • Air France
  • KLM
  • British Airways
  • Air Canada
  • Emirates
  • Turkish Airlines
  • Delta
  • United
  • American Airlines
First class cabins are available on Emirates.
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, TX (IAH) from Lisbon (LIS)?
If you're planning to travel to Houston from Humberto Delgado (LIS), you can fly directly into George Bush Intercontinental (IAH). Some flights may connect through major hubs like Adolfo Suarez Madrid-Barajas (MAD), Logan Intl. (BOS), or Frankfurt Intl. (FRA) 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) to Houston, TX (IAH)?
If you booked your Lisbon (LIS) to Houston, TX (IAH) 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
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, Virgin Atlantic
Roundtrip price
CA $1,283
Distance
7632 km

Book with confidence

Lisbon District to Houston Flights

The easy way to book your flights from Lisbon to Houston 

With Expedia, it’s simple to find and book flights to Houston from Lisbon whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to George Bush Intercontinental, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Lisbon to Houston today, tomorrow, or this week.  

 

Save dollars with cheap flights from Humberto Delgado, LIS to George Bush Intercontinental, IAH 

Sort your search results by price to find great deals on your flight from Lisbon to Houston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Houston from Lisbon currently is just CA $1,283 rising to CA $1,464.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Houston  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Houston from Lisbon 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Houston with Expedia today.

Lisbon District to Houston Flights

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*Available to Expedia members.