£264 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.

If you're looking for the cheapest time to fly from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado), January is typically your best bet. You can expect average return fares around £472 during this month. Other budget-friendly months to consider for this route include February and November.

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

Finnair is one of the cheapest airlines offering connecting return flights from Houston, TX (IAH-George Bush Intercontinental) to Lisbon (LIS-Humberto Delgado), with prices starting from around £871 for flights that can be booked for departure within the next year, with a layover in O'Hare Intl. (ORD). These prices are per adult, for economy/coach class. 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.

To find a cheap flight from Houston, TX (IAH) to Lisbon (LIS), 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 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 costing around £472. These months fall outside the peak holiday seasons, which often means fewer crowds and more affordable fares for your trip.

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.

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.

Select the "Business class" and "First class" filters when looking for Houston, TX (IAH) to Lisbon (LIS) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

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.

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-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.

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.

If you booked your Houston, TX (IAH) to Lisbon (LIS) 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.