Cheap flights from Houston to Portugal from $268
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 to Portugal departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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 to Portugal
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Turkish Airlines flights from Houston to Portugal
Our best Turkish Airlines deals on Houston to Portugal flight tickets
Virgin Atlantic flights from Houston to Portugal
Our best Virgin Atlantic deals on Houston to Portugal flight tickets
See travel insights to Portugal from
How to get the cheapest flight ticket from Houston 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
What is the cheapest month to fly to Portugal?
The cheapest month to fly to Portugal from Houston is in February. Flight prices, which tend to average around $617, 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 during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $740.
What is the cheapest day to depart on your flight to Portugal?
According to our data, Sunday is the cheapest day to fly to Portugal from Houston. The lowest ticket price found for a Sunday departure recently was $825. 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 Wednesday, 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 to Portugal during this time can be as low as $913. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,116 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 when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $884 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Houston for as low as $773 on momondo.
What is the cheapest airline that flies from Houston to Portugal?
British Airways, Delta, and Air Canada are the most popular carriers operating from Houston 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 according to our data. United Airlines is the first choice among our users, with 56% 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 to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Houston to Portugal
When did momondo last update prices for flights from Houston to Portugal?
Prices for flights from Houston to Portugal refresh daily.
How many operators does momondo search for flights from Houston to Portugal?
There are 9 operators available for flights from Houston to Portugal as of June 2025.
How old do you have to be to fly from Houston to Portugal?
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 to Portugal.
What documentation or ID do you need to fly to Portugal?
The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Houston to Portugal
Compare and see reviews for airlines that fly from Houston to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $494 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $525 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $549 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $578 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $589 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $629 | Free Cancellation | Rating 7.8 1,358 reviews | |||
| PriceFrom $655 | Free Cancellation | Rating 7.3 3,848 reviews | |||
| PriceFrom $679 | Free Cancellation | Rating 6.7 7,139 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?
All flight searches from Houston to Portugal on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Houston to Portugal?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Portugal.
I’m not ready to book a flight from Houston to Portugal right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Portugal from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.