CA $486 Cheap Flights from Houston (IAH) to Lisbon (LIS)

You can find one-way and return flights from IAH to LIS 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 IAH to LIS ticket fares go up or down.

The cheapest months to fly from Houston, TX (IAH) to Lisbon (LIS) 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.

Enter IAH to LIS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

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.

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.

There are approximately 97 connecting flights per day from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado). Some common connection points include O'Hare Intl. (ORD), Pearson Intl. (YYZ), and Hartsfield-Jackson Atlanta Intl. (ATL).

The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) typically departs at around 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in May. 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.

You'll typically find the most flights from George Bush Intercontinental (IAH) to Humberto Delgado (LIS) on a Tuesday, with around 76 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Flight schedules are fairly consistent throughout the week, so you'll have a good selection of flights no matter which day you choose to fly.

The most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado) are between 12pm and 3pm. Many major carriers, including United, American Airlines and Delta, offer flights during this window. Many travellers prefer this time as it allows for a morning in Houston before your flight, and you'll arrive in Lisbon at a reasonable hour.

There are no nonstop flights from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado). The distance between these two airports is approximately 7,678 kilometres. Flights with one stop typically take around 14 hours 18 minutes. If you have two or more stops, your journey will be longer, usually around 19 hours. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.

Yes, you can fly business class or first class between IAH and LIS. Airlines that offer business class service on this route include:

* Lufthansa
* Air France
* British Airways
* Alaska Airlines
* United
* American Airlines
* Delta
* Air Canada
* Turkish Airlines
* KLM

First class cabins are available on United.

It's easy to earn miles on a Houston, TX (IAH) to Lisbon (LIS) 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.

If you're planning to travel to Lisbon from George Bush Intercontinental (IAH), you can fly directly into Humberto Delgado (LIS). Some flights may connect through major hubs like O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), or Pearson Intl. (YYZ) before reaching Lisbon. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Houston, TX (IAH) to Lisbon (LIS) 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.

Securing a Houston, TX (IAH) to Lisbon (LIS) 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.

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.