$275 Find Cheap Flights from Houston George Bush Airport to Portugal - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from George Bush Intcntl to Portugal departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from George Bush Intcntl to Portugal

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Lisbon
Lisbon1 stop$282
Porto
Porto2 stops$721
Faro
Faro2 stops$1,033
Funchal
Funchal2 stops$868
Lisbon
Lisbon1 stop$282
Porto
Porto2 stops$721
Faro
Faro2 stops$1,033
Funchal
Funchal2 stops$868

Book Cheap George Bush Intcntl to Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from George Bush Intcntl to Portugal that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from George Bush Intcntl to Portugal

Fri, Nov 20 - Tue, Dec 1
British Airways Logo
3:50 pm - 12:05 pm
IAH
-
LIS
14h 15m
1 stop
British Airways Logo
7:40 pm - 2:05 pm
LIS
-
IAH
24h 25m
1 stop
$282British Airways
Wed, Nov 18 - Wed, Nov 25
Multiple Airlines Logo
11:50 am - 6:55 am
IAH
-
LIS
13h 05m
1 stop
Multiple Airlines Logo
5:00 am - 2:00 pm
LIS
-
IAH
15h 00m
1 stop
$705Multiple Airlines
Mon, Jan 11 - Wed, Jan 20
Multiple Airlines Logo
11:55 am - 10:40 am
IAH
-
LIS
16h 45m
1 stop
Multiple Airlines Logo
5:00 am - 2:00 pm
LIS
-
IAH
15h 00m
1 stop
$706Multiple Airlines
Tue, Jan 12 - Tue, Jan 19
British Airways Logo
9:40 pm - 5:40 pm
IAH
-
LIS
14h 00m
1 stop
British Airways Logo
11:05 am - 10:30 pm
LIS
-
IAH
17h 25m
1 stop
$717British Airways
Mon, Nov 2 - Fri, Nov 6
United Airlines Logo
7:59 pm - 9:30 am
IAH
-
OPO
31h 31m
2 stops
United Airlines Logo
6:00 am - 9:27 pm
OPO
-
IAH
21h 27m
2 stops
$721United Airlines
Wed, Nov 11 - Thu, Nov 19
United Airlines Logo
11:50 am - 6:55 am
IAH
-
LIS
13h 05m
1 stop
United Airlines Logo
5:00 am - 6:15 pm
LIS
-
IAH
19h 15m
1 stop
$722United Airlines
Tue, Nov 17 - Wed, Dec 2
Delta Logo
7:10 pm - 5:30 pm
IAH
-
LIS
16h 20m
1 stop
Delta Logo
11:30 am - 1:10 pm
LIS
-
IAH
31h 40m
1 stop
$724Delta
Mon, Nov 23 - Wed, Dec 2
Delta Logo
7:10 pm - 3:10 pm
IAH
-
LIS
14h 00m
1 stop
Delta Logo
11:30 am - 1:10 pm
LIS
-
IAH
31h 40m
1 stop
$724Delta
Tue, Nov 17 - Fri, Nov 27
Lufthansa Logo
5:05 pm - 11:30 pm
IAH
-
LIS
24h 25m
2 stops
Lufthansa Logo
5:00 am - 2:00 pm
LIS
-
IAH
15h 00m
1 stop
$740Lufthansa
Tue, Nov 17 - Tue, Dec 1
Lufthansa Logo
5:05 pm - 11:30 pm
IAH
-
LIS
24h 25m
2 stops
Lufthansa Logo
5:00 am - 2:00 pm
LIS
-
IAH
15h 00m
1 stop
$771Lufthansa
Booking Insights

KAYAK's insights & trends for George Bush Intcntl to Portugal flights

Get data-powered insights and trends into flights from George Bush Intcntl to Portugal to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Portugal?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Houston George Bush Intcntl Airport to Portugal, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Houston George Bush Intcntl Airport to Portugal is November, when tickets cost $668 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $1,347 and $1,215 respectively.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Portugal?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Houston George Bush Intcntl Airport to Portugal, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Houston George Bush Intcntl Airport to Portugal, you should book around 3 weeks before departure, which saves you about 42% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 3 weeks before departure.

Good to know

Low season

January

Cheapest flight

$275
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 25% lower on average.
Flight from Houston George Bush Airport to Porto

FAQs - booking Portugal flights

  • Is it necessary to get a visa before flying to Portugal from Houston?

    Because Portugal is a member of the Schengen area, there is no need to get a visa to travel here so long as you don't plan on staying in the country for more than 90 days. One of the benefits of Portugal being a member of this area is that you can travel to any other country in the area without having to obtain a new visa to travel.

  • What are some of the child car seat laws I should know about before I start driving after my arrival in Portugal?

    When you drive with kids in Portugal, they must travel in a car seat facing to the rear until they are 15 months old, and then one that faces forward until they are four years old. After that, children must travel in a booster seat until they reach the age of 12, weigh more than 79 pounds, or have a height greater than 53 in.

  • Is George Bush Intercontinental Airport a hub for any airline?

    George Bush Intercontinental Airport is a major hub for United Airlines. It serves as one of United's key hubs, facilitating numerous domestic and international flights for the airline. What this means for travelers making their way to Portugal on this airline is that you will find a number of different flight options, which can be especially beneficial if there are any problems or issues with your original flight.

  • What are some reasons to upgrade to First Class when traveling aboard American Airlines from Houston to Portugal?

    Upgrade to First Class on American Airlines for your Houston to Portugal flight for a luxurious journey. Enjoy spacious seating, fully flat beds, and gourmet dining. Benefit from personalized service, priority boarding, and access to exclusive lounges. The enhanced in-flight entertainment system and increased baggage allowance ensure a comfortable and indulgent travel experience for the long-haul flight to Portugal.

  • How does KAYAK find such low prices on flights from Houston George Bush Airport to Portugal?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Houston George Bush Airport to Portugal.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Houston George Bush Airport to Portugal?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Houston George Bush Airport to Portugal is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Houston George Bush Airport to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Houston George Bush Airport to Portugal with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Houston George Bush Airport to Portugal?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Houston George Bush Airport to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Portugal

  • One of the most common airport destinations when traveling to Portugal is Humberto Delgado Airport (LIS). When leaving from George Bush Intercontinental Airport (IAH), American Airlines offers a one-stop flight that has a layover at Philadelphia International Airport (PHL), while United Airlines offers a one-stop flight that has a layover at Newark Liberty International Airport (EWR).
  • When you are trying to make your way to the Francisco Sá Carneiro Airport (OPO) from George Bush Intercontinental Airport, both Delta and KLM offer flights with one stop at Amsterdam Airport Schiphol (AMS).
  • Travelers leaving George Bush Intercontinental Airport early in the morning for a flight to Portugal might want to consider staying the night at the Houston Airport Marriott at George Bush Intercontinental, which offers access to all three terminals at the airport through an underground tram.
  • If you are looking for the best way to get to Faro International Airport (FAO) from George Bush Intercontinental Airport, United Airlines offers a one-stop flight here that has a layover at Newark International Airport.
  • When traveling aboard United Airlines from George Bush Intercontinental Airport, a great place to wait for your flight is inside one of the four United Club locations you'll find at this airport.

Everything you need to know for your flight from George Bush Intcntl to Portugal

Information on your arrival and departure airports