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CA $493 Cheap Flights from Houston (IAH) to Lisbon (LIS)

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

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

Prices were available within the past 7 days and start at CA $493 for one-way flights and CA $1,075 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Air Canada
Air Canada
American Airlines
British Airways
Air Canada
Lufthansa
KLM
Turkish Airlines

Alternative airports near Lisbon

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
January is typically the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado), with average return fares of approximately £472. This is about 34% lower than the average price throughout the year. January sees lower prices because it falls after the busy holiday travel season, when demand drops and airlines often offer more competitive fares. Other cheap months to fly from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) include February and November.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado), 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 Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
Based on booking data from the past year, the cheapest months to fly from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) are typically January and February, with average return flights around £472. While these months offer the best value, they might not be the most popular times to travel, meaning you could find fewer direct flight options. If you're looking for the lowest fares and don't mind potentially longer travel times or connections, these are great months to consider.*Prices based on flights available on Expedia in the last year.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
There are approximately 104 connecting flights per day from Houston, TX (IAH-George Bush Intercontinental) (IAH) to Lisbon (LIS-Humberto Delgado) (LIS). Some common connection points include O'Hare Intl. (ORD), Pearson Intl. (YYZ), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in May. An early departure like this can help you maximise 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 Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
You'll typically find the most flights from George Bush Intercontinental (IAH) to Humberto Delgado (LIS) on a Sunday, with around 78 flights available. This gives you plenty of options for your travel plans. Looking at the week, Sunday offers notably more flight options compared to other days. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
The most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) are in the afternoon, from 3pm to 6pm. Approximately 30% of passengers prefer this time window. Many major carriers, including British Airways, Lufthansa and KLM, offer flights during this window. This timing works well because it allows you to have a productive morning before heading to the airport, and you'll arrive in Lisbon in the evening, ready to settle in.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
A flight from IAH to LIS with a layover takes around 14 hours 20 minutes, with the route covering approximately 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 Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
Select the "Business class" and "First class" filters when looking for IAH to LIS 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 Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) 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 Lisbon from George Bush Intercontinental (IAH)?
If you're planning to travel to Lisbon from George Bush Intercontinental (IAH), you can fly into Humberto Delgado (LIS) Some flights may connect through major hubs like O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching Lisbon. 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 Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) 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 Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) 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 Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) 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
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, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
CA $1,075
Distance
7632 km

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