Cheap flights from Houston George Bush Intcntl Airport to Portugal from $298
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 Portugal departing on 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Houston George Bush Intcntl Airport to Portugal
Round-trip
One-way
Last minute
Cheap round-trip flights
These are some of the best round-trip flight deals from Houston George Bush Intcntl Airport to Portugal that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Houston George Bush Intcntl Airport to Portugal.
Cheap last minute flights
Planning a quick getaway from Houston George Bush Intcntl Airport to Portugal? These are the last-minute flight deals available now.
Air Canada flights from Houston George Bush Intcntl Airport to Portugal
Our best Air Canada deals on Houston George Bush Intcntl Airport to Portugal flight tickets
Air Canada![Air Canada]()
Oct 14![Air Canada]()
Oct 21
IAH10:00 amHouston George Bush Intcntl
17h 20m
1 stop
LIS9:20 amLisbon Humberto Delgado
LIS11:25 amLisbon Humberto Delgado
14h 17m
1 stop
IAH7:42 pmHouston George Bush Intcntl
Air Canada![Air Canada]()
Oct 14![Air Canada]()
Oct 21
IAH10:00 amHouston George Bush Intcntl
17h 20m
1 stop
LIS9:20 amLisbon Humberto Delgado
LIS6:45 amLisbon Humberto Delgado
21h 24m
2 stops
IAH10:09 pmHouston George Bush Intcntl
United Airlines flights from Houston George Bush Intcntl Airport to Portugal
Our best United Airlines deals on Houston George Bush Intcntl Airport to Portugal flight tickets
United Airlines![United Airlines]()
Oct 21![United Airlines]()
Oct 28
IAH10:00 amHouston George Bush Intcntl
17h 20m
1 stop
LIS9:20 amLisbon Humberto Delgado
LIS10:15 amLisbon Humberto Delgado
15h 13m
1 stop
IAH8:28 pmHouston George Bush Intcntl
United Airlines![United Airlines]()
Oct 21![United Airlines]()
Oct 28
IAH10:00 amHouston George Bush Intcntl
17h 20m
1 stop
LIS9:20 amLisbon Humberto Delgado
LIS10:15 amLisbon Humberto Delgado
18h 44m
2 stops
IAH11:59 pmHouston George Bush Intcntl
See travel insights to Portugal from
How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Portugal
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
Prices
Airlines
What is the cheapest month to fly to Portugal?
The cheapest month to fly to Portugal from Houston George Bush Intcntl Airport is in February. Flight prices, which tend to average around $599, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Houston George Bush Intcntl Airport during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $699.
What is the cheapest day to depart on your flight to Portugal?
According to our data, Tuesday is the cheapest day to fly to Portugal from Houston George Bush Intcntl Airport. The lowest ticket price found for a Tuesday departure recently was $877. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $1,199.
What is the cheapest time of day to depart on your flight to Portugal?
Our most recent data shows that the best time of day to fly to Portugal is in the evening. Flights from Houston George Bush Intcntl Airport to Portugal during this time can be as low as $963. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,106 per ticket.
How far in advance should I book a flight to Portugal?
You are more likely to see cheaper flights to Portugal from Houston George Bush Intcntl Airport when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $900 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Houston George Bush Intcntl Airport for as low as $798 on momondo.
What is the cheapest airline that flies from Houston George Bush Intcntl to Portugal?
Scandinavian Airlines, American Airlines, and Finnair are the most popular carriers operating from Houston George Bush Intcntl to Portugal
What airlines fly to Portugal?
United Airlines, British Airways and Air Canada are the top three most popular airlines that fly to Portugal from Houston George Bush Intcntl Airport according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 9 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
Cheap Houston George Bush Intcntl Airport to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Portugal
When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Portugal?
Prices for flights from Houston George Bush Intcntl Airport to Portugal refresh daily.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Portugal?
As of April 2025, there are 9 operators available to choose from for flights from Houston George Bush Intcntl Airport to Portugal.
How old do you have to be to fly from Houston George Bush Intcntl Airport to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Houston George Bush Intcntl Airport to Portugal
Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $494 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $549 | Free Cancellation | Rating 7.4 1,446 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 7.0 9,245 reviews | |||
| PriceFrom $585 | Free Cancellation | Rating 6.6 6,837 reviews | |||
| PriceFrom $589 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $595 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $629 | Free Cancellation | Rating 7.8 1,334 reviews | |||
| PriceFrom $655 | Free Cancellation | Rating 7.3 3,790 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 6.7 7,046 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Houston to Portugal?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Portugal. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Houston to Portugal with flexible booking policies on momondo?
Yes. All flights to Portugal from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Houston to Portugal?
Once all potential Houston to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Houston to Portugal right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Houston to Portugal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
Get notified when prices go down
Daily price changes in your inbox - only with Price Alerts.
Find better results for your trip to Portugal
Popular cities in Portugal
Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $390
Flights to Portofrom $434
Flights to Funchalfrom $527
Flights to Farofrom $458
Flights to Ponta Delgadafrom $421
Flights to Lajesfrom $501
Flights to Hortafrom $609
Flights to Pico Islandfrom $596
Flights to Porto Santofrom $591
Flights to Velasfrom $610