Flight tickets from Houston to Lisbon

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Find the cheapest month or even day of the year to fly to Lisbon

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Flight deals from Houston to Lisbon

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

Find the cheapest month to fly from Houston to Lisbon

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

Houston to Lisbon: Alternative routes

Compare routes from Houston 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 found₹ 26,188
Cheapest month to flyAugust

Finding cheap flights from Houston to Lisbon: Frequently asked questions

The best price we found for a return flight from Houston to Lisbon is ₹ 50,081. 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 to Lisbon. But we found flights with one stop from ₹ 50,081.
As of July 2025, there are no flights flying from Houston to Lisbon.
The cheapest month to fly from Houston to Lisbon is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Lisbon Airport on Tuesday, 4 November 2025.
No airlines currently offer direct flights between Houston 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.
The cheapest airline that flies to Lisbon is Air Canada .

Travelling from Houston to Lisbon Portela Airport (LIS): What you need to know

  • Put your holiday plans into action by considering where you'll board your flight from Houston to Lisbon Portela Airport (LIS). George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU) are the two main airports in Houston.

  • Lisbon is five hours ahead of Houston. Lisbon Portela Airport is located in Lisbon, which is in the UTC+0 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Make sure you're at the airport on time to board your flight from Houston to LIS.

  • If you're travelling during a major holiday or other peak period, give yourself more time. Arrive two hours ahead of domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

Airports in Houston

George Bush Intercontinental Airport (IAH)

  • A stopover is the ideal opportunity to take a break from travelling and perhaps even tour another city. When searching for cheap flights from Houston to LIS departing from George Bush Intercontinental Airport (IAH), deselect the 'Direct flights only' box to discover where you can stop along the way. Here's where you could connect through:

    • Newark Liberty International Airport (EWR)

    • Logan International Airport (BOS)

    • Washington Dulles International Airport (IAD)

  • Located around 27 kilometres from central Houston, IAH can be reached in about 20 minutes by car, depending on traffic. The journey on public transport is roughly 50 minutes.

  • Want a stress-free start to your journey? Stay near George Bush Intercontinental Airport. Whether you're boarding an early flight from Houston to Lisbon Portela Airport or prefer not to feel hurried, these hotels are just what you're after:

  • Of all flights departing from George Bush Intercontinental Airport, 78.42% arrive as scheduled at their destination.

  • IAH is located at 16930 JFK Boulevard.

William P. Hobby Airport (HOU)

  • Schedule a stopover during your journey at Philadelphia International Airport (PHL). It's a key transfer point for flights from Houston to Lisbon Portela Airport (LIS) leaving William P. Hobby Airport.

  • You can arrive at HOU from central Houston in approximately 20 minutes by car (depending on traffic). The ride by public transport takes roughly 1 hour 40 minutes to cover the 19 kilometres or so.

  • Start your holiday early with an extra night away from home. Before your Houston to LIS flight, stay in one of these hotels close to William P. Hobby Airport:

  • The majority of flights that depart William P. Hobby Airport touch down at their destination as expected. It maintains a high on-time performance rate of 81.06%.

  • HOU is located at 7800 Airport Boulevard.

About Lisbon Portela Airport (LIS)

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is about 6 kilometres from central Lisbon. The time it takes to get there by car hire or cab will depend on the time of day. Do a little research before you go.

  • It takes around 1 hour if you're using public transport.

How to find the cheapest flights from Houston to Lisbon Portela Airport (LIS)

  • The cheapest price we've found for a one-way ticket from Houston to Lisbon Portela Airport is ₹ 26,188. For a return flight on this route, the best price is ₹ 50,081. Depending on when you book and the availability, these fares could change.

  • To find cheap flights from Houston to LIS, book early. Airlines usually offer the most competitive fares when tickets are first released.

  • The 'Whole month' search tool shows you the cheapest Houston to Lisbon Portela Airport tickets across the month. It's a great way to snap up a bargain if your dates aren't set in stone.

  • You don't need to search every day to find out if prices have dropped when you create a Price Alert. We'll notify you when a better deal is available on flight tickets from Houston to LIS.

  • Lock in a cheap flight from Houston to Lisbon Portela Airport by using the search filters. Select your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Houston to Lisbon Portela Airport (LIS)

  • Picture the kind of break you want when deciding the best time to fly. February is the quietest month to go to Lisbon. June is when most people book flights from Houston to Lisbon Portela Airport (LIS), which may be ideal if you're chasing more excitement.

  • Before locking in your Houston to LIS flight ticket, consider the kind of weather you prefer. August is the warmest month in Lisbon, with temperatures ranging from 16ºC to 29ºC.

  • For cooler conditions, look for a cheap ticket from Houston to Lisbon Portela Airport in January when temperatures are between 8ºC and 16ºC.

More about Lisbon

  • Start your Lisbon trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Houston to Lisbon Portela Airport, browse our selection of hotels including:

  • There are so many things to explore in this city, it can be difficult to know where to begin. Belém, Pasteis de Belém and Real Mosteiro de Santa Maria de Belém are highlights which should feature on any good Lisbon itinerary.

Explore more of Portugal

  • Porto is just one of the many cities in Portugal waiting to be explored after you've experienced Lisbon. Around 274 kilometres away to the north, well-known attractions include Ribeira District, Rio Douro and Livraria Lello.

  • Coimbra is another essential stop in Portugal and is around 177 kilometres north of Lisbon. No journey is complete without a visit to Biblioteca Joanina, Old Cathedral of Coimbra (Se Velha de Coimbra) and Mesquita de Coimbra.

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