Cheap Flights from Houston 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 Airport? If you want to travel next month, return fares start from ر.ق.‏ 3,400. 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 July.

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 foundر.ق.‏ 1,070
Cheapest month to flyJuly

Finding cheap flights from Houston to Lisbon: Frequently asked questions

The best price we found for a return flight from Houston to Lisbon is ر.ق.‏ 2,612. 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 ر.ق.‏ 2,613.
As of June 2026, 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, 17 November 2026.
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 United .

Flying from Houston to Lisbon Humberto Delgado Airport (LIS): What you need to know

  • The timezone in Lisbon is UTC+0, which is six hours ahead of Houston. Lisbon Humberto Delgado Airport is located in Lisbon.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your flight from Houston to LIS.

  • Hopping on a plane during a peak time like July? High seasons (like Thanksgiving, Christmas and New Year) can add another hour at security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

  • Stopovers are the perfect opportunity to take a break from travelling and possibly even tour another city. When searching for cheap flights from Houston to LIS leaving from Houston George Bush Intercontinental Airport (IAH), deselect the 'Direct flights only' box to get ideas for where to visit along the way. Your journey might pause in:

    • Newark Liberty International Airport (EWR)

    • Boston Logan International Airport (BOS)

    • Washington Dulles International Airport (IAD)

  • IAH is about 40 kilometres from central Houston. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 30 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 1 hour 10 minutes.

  • Catching an early flight from Houston to Lisbon Humberto Delgado Airport? Avoid the stress of rushing to the terminal (and enjoy a few extra z's) by staying at one of these hotels near Houston George Bush Intercontinental Airport:

  • Of all flights departing from Houston George Bush Intercontinental Airport, 79% arrive as scheduled at their destination.

  • IAH's address is 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

  • Get the most out of your holiday with a stopover on your flight from Houston to Lisbon Humberto Delgado Airport. Philadelphia International Airport (PHL) is a popular option between Houston Hobby Airport and LIS.

  • With public transport, you can travel from central Houston to HOU in around 50 minutes. The airport is roughly 19 kilometres away, and making the trip by car will take approximately 20 minutes.

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

  • As far as flight punctuality goes, Houston Hobby Airport has an on-time arrival rate of 79%.

  • The address for HOU is 7800 Airport Boulevard.

About Lisbon Humberto Delgado Airport (LIS)

  • If you're arriving on a late flight from Houston to Lisbon Humberto Delgado Airport, few things beat the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and resting not long after at one of these hotels near LIS:

  • To lock in the lowest price, reserve your vehicle around two weeks in advance of your Houston to Lisbon Humberto Delgado Airport flight.

Getting from Lisbon Humberto Delgado Airport (LIS) to central Lisbon

  • Central Lisbon is about 6 kilometres from Lisbon Humberto Delgado Airport. Travel times by taxi or car hire will vary based on time of day, so do some research before your trip.

  • If you're travelling by public transport, expect a journey of around 25 minutes.

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

  • The cheapest price we've found for a one-way ticket from Houston to Lisbon Humberto Delgado Airport is ر.ق.‏ 1,070. For a return flight on this route, the best price is ر.ق.‏ 2,612. Depending on when you book and the availability, these fares could change.

  • Don't wait until the last minute. You're more likely to find cheap flights from Houston to LIS if you book ahead. Airlines often offer some great early bird discounts.

  • The 'Whole month' tool will show you the cheapest Houston to Lisbon Humberto Delgado Airport tickets across the month. It's a good way to snap up a bargain if your plans are flexible.

  • There's no need to search every day to find out if prices have dropped when you set up a Price Alert. We'll notify you as soon as a new deal shows up on plane tickets from Houston to LIS.

  • Save on your flight from Houston to Lisbon Humberto Delgado Airport by using the search filters. Select your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

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

  • Think about the kind of holiday you want when picking your flight dates. January is the quietest month to visit Lisbon. August is when most people book flights from Houston to Lisbon Humberto Delgado Airport (LIS), which may be ideal if you'd rather travel when it's busy.

  • When booking your Houston to LIS plane ticket, consider the type of weather you enjoy. August is the warmest month in Lisbon, with temperatures ranging from 16ºC to 29ºC.

  • If you want cooler conditions, search for a cheap ticket from Houston to Lisbon Humberto Delgado Airport in January when temperatures are between 8ºC and 16ºC.

More about Lisbon

  • Once you've booked your flight from Houston to Lisbon Humberto Delgado Airport, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Lisbon:

  • All great adventures should include some sightseeing. Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém are must-do's during your Lisbon adventure.

Explore more of Portugal

  • You've done Lisbon, now it's time to explore other parts of Portugal. Journey around 274 kilometres north to Porto to tick off its must-visit sights. From Ribeira District to Rio Douro and Livraria Lello, you'll have a packed itinerary ahead.

  • If there's time to check out another major destination in Portugal, consider Coimbra, roughly 177 kilometres north of Lisbon. Biblioteca Joanina, Old Cathedral of Coimbra (Se Velha de Coimbra) and Paço das Escolas are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.