Cheap flights from Houston George Bush Intcntl Airport to Lisbon from $275
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Lisbon departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Lisbon
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Lisbon?
What is the cheapest month to fly to Lisbon?
In general, February is the cheapest month to fly from Houston George Bush Intcntl Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $595. If you are unable to visit Lisbon during the month of February, then departing from Houston George Bush Intcntl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $699.
What is the cheapest day to depart on your flight to Lisbon?
Our data shows that Sunday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $825. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Houston George Bush Intcntl Airport to Lisbon for around $1,199.
What is the cheapest time of day to depart on your flight to Lisbon?
The cheapest time of day to fly to Lisbon is in the evening when flights can be purchased for as low as $913. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,116 on average. Flights to Lisbon from Houston George Bush Intcntl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Lisbon?
You are more likely to see cheaper flights to Lisbon from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $881 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Houston George Bush Intcntl Airport for as low as $791 on momondo.
What is the cheapest airline that flies from Houston George Bush Intcntl to Lisbon Humberto Delgado?
United Airlines, Air Canada, and Turkish Airlines are the most popular carriers operating from Houston George Bush Intcntl to Lisbon Humberto Delgado
What airlines fly to Lisbon?
United Airlines, British Airways and Air Canada are the top three most popular airlines that fly to Lisbon from Houston George Bush Intcntl Airport according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 8 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.
When to book flights from Houston George Bush Intcntl Airport to Lisbon
Cheap Houston George Bush Intcntl Airport to Lisbon (IAH to LIS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Lisbon
How far is Houston George Bush Intcntl to Lisbon Humberto Delgado by plane?
The distance between Houston George Bush Intcntl and Lisbon Humberto Delgado is about 4768.5 mi. Typically, this will take 11h 25m by plane in normal conditions.
When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Houston George Bush Intcntl Airport to Lisbon Humberto Delgado Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Lisbon Humberto Delgado Airport?
As of June 2025, there are 8 operators available to choose from for flights from Houston George Bush Intcntl Airport to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Houston George Bush Intcntl Airport to Lisbon Humberto Delgado Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Houston George Bush Intcntl Airport to Lisbon?
momondo data reveals that the most frequently booked airline on the route from Houston George Bush Intcntl Airport to Lisbon is United Airlines, representing 44% of all bookings. The subsequent popular airlines are British Airways at 20%, Air Canada at 12%, and Delta at 7%.
Best airlines flying from Houston George Bush Intcntl Airport to Lisbon
Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Lisbon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $549 | Free Cancellation | Rating 7.5 1,467 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 7.1 9,572 reviews | |||
| PriceFrom $578 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $585 | Free Cancellation | Rating 6.6 7,031 reviews | |||
| PriceFrom $589 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $643 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $655 | Free Cancellation | Rating 7.3 3,853 reviews | |||
| PriceFrom $713 | Free Cancellation | Rating 7.8 1,364 reviews |
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Why should I use momondo to find a flight deal from Houston to Lisbon?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Lisbon. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Houston to Lisbon with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Houston to Lisbon flights to just show those with flexible booking policies.
How can momondo help me find flights from Houston to Lisbon?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from Houston.
I’m not ready to book a flight from Houston to Lisbon right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Houston to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.