Cheap Flights from Houston George Bush Intercntl. to Lisbon

Compare Houston George Bush Intercntl. to Lisbon flight deals

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Flight deals from Houston George Bush Intercntl. to Lisbon

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. to Lisbon? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston George Bush Intercntl. to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Lisbon flights are currently cheapest in November.

Houston George Bush Intercntl. to Lisbon: Alternative routes

Compare routes from Houston George Bush Intercntl. to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Houston to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundRs69,938
Cheapest month to flyNovember

Finding cheap flights from Houston George Bush Intercntl. to Lisbon: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Lisbon is Rs162,680. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston George Bush Intercntl. to Lisbon. But we found flights with one or more stops from Rs162,680.
As of August 2025, there are no flights flying from Houston George Bush Intercntl. to Lisbon.
The cheapest month to fly from Houston George Bush Intercntl. to Lisbon is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Lisbon Airport on Saturday, 25 October 2025.
No airlines currently offer direct flights between Houston George Bush Intercntl. Airport and Lisbon Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines offers the cheapest flight tickets to Lisbon.

Flying from George Bush Intercontinental Airport (IAH) to Lisbon Portela Airport (LIS): what you need to know

  • Lisbon is five hours ahead of Houston and is in the UTC+0 timezone.

  • Get to the airport on time so you don't miss your IAH to LIS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • During popular months such as July, it's best to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during a high season in general.

  • Think about adding a stopover when booking your ticket from George Bush Intercontinental Airport to Lisbon Portela Airport. Just uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here are some options between IAH and LIS:

    • Logan International Airport

    • Washington Dulles International Airport

    • Newark Liberty International Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Lisbon Portela Airport (LIS)

  • At the moment, Rs69,938 is the cheapest price we've found for a one-way George Bush Intercontinental Airport to Lisbon Portela Airport flight. The best price for a return plane ticket is Rs162,680. Bear in mind that fares can change due to demand at the time of booking.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from IAH to LIS if you book in advance. Airlines often have some great early bird deals.

  • If you're flexible with your travel dates, try using the 'Whole month' search tool. It'll show you the lowest price in each month when looking for your flight from George Bush Intercontinental Airport to Lisbon Portela Airport.

  • Finding cheap flights from IAH to LIS is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when a new discounted fare appears.

  • Find the perfect flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from George Bush Intercontinental Airport to Lisbon Portela Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at Lisbon Portela Airport (LIS)

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport to central Lisbon has a drive time of about 20 minutes. It's approximately 10 kilometres away.

  • Travelling to the centre by public transport typically takes 1 hour.

When to fly to Lisbon Portela Airport (LIS)

  • The quietest month for a flight from George Bush Intercontinental Airport to Lisbon Portela Airport is January, while June is the most popular. Choose the ideal time to visit Lisbon based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When reserving your flight from George Bush Intercontinental Airport to Lisbon Portela Airport, think about the kind of weather you like. August is the warmest month in Lisbon, with the temperature ranging from 16ºC to 29ºC.

  • January sees average temperatures of between 8ºC and 16ºC. Search for cheap tickets from IAH to LIS around that time if you want to travel in cooler conditions.

Explore more of Portugal

  • You've seen Lisbon, now it's time to explore other corners of Portugal. Journey around 274 kilometres north to Porto to tick off its top attractions. From Livraria Lello to Ribeira District and The Douro River, you'll have a full itinerary ahead.

  • If there's time to check out another corner of Portugal, head for Amadora, roughly 8 kilometres north-west of Lisbon. Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.