What airlines fly to Portugal?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Portugal from Texas according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 13 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

How long is the flight from Texas to Portugal?

Average flight duration from Texas to Portugal depends on which airport you fly into and out of. Flying from Austin to Lisbon is 11h 50m on average, while flying from Houston to Lisbon is 12h 50m on average. Lisbon is the most popular airport in Portugal.

What is the cheapest airline that flies from Texas to Portugal?

United Airlines, Lufthansa, and Iberia are the most popular carriers operating from Texas to Portugal

When did momondo last update prices for flights from Texas to Portugal?

Prices for flights from Texas to Portugal were last updated today.

How many operators does momondo search for flights from Texas to Portugal?

The number of operators available for flights from Texas to Portugal is 13 as of November 2026.

How old do you have to be to fly from Texas to Portugal?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Texas 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.

$291 Cheap Flights from Texas to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Texas to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:55 am - 12:05 pmIAH Houston George Bush Intcntl-OPO Porto

18h 10m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

7:20 pm - 9:34 pmOPO Porto-IAH Houston George Bush Intcntl

32h 14m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$699Multiple Airlines

Mon, Feb 8 - Mon, Feb 15

11:55 am - 12:05 pmIAH Houston George Bush Intcntl-OPO Porto

18h 10m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

12:05 pm - 9:34 pmOPO Porto-IAH Houston George Bush Intcntl

39h 29m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$699Multiple Airlines

Tue, Feb 9 - Wed, Feb 17

5:05 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

16h 20m1 stop Paris Charles de Gaulle

5:00 am - 1:15 pmOPO Porto-IAH Houston George Bush Intcntl

14h 15m1 stop Amsterdam Schiphol

$710KLM

Tue, Apr 13 - Fri, Apr 23

2:30 pm - 9:45 amIAH Houston George Bush Intcntl-OPO Porto

13h 15m1 stop Newark

6:00 am - 6:00 pmOPO Porto-IAH Houston George Bush Intcntl

18h 00m1 stop Frankfurt am Main

$711United Airlines

Tue, Apr 13 - Tue, Apr 20

2:21 pm - 9:30 amIAH Houston George Bush Intcntl-OPO Porto

13h 09m1 stop Newark

6:00 am - 6:15 pmOPO Porto-IAH Houston George Bush Intcntl

18h 15m1 stop Frankfurt am Main

$711United Airlines

Sun, Feb 28 - Wed, Mar 3

7:10 pm - 10:00 pmIAH Houston George Bush Intcntl-OPO Porto

20h 50m1 stop Paris Charles de Gaulle

4:10 pm - 1:05 pmOPO Porto-IAH Houston George Bush Intcntl

26h 55m1 stop Amsterdam Schiphol

$712KLM

Mon, Feb 8 - Mon, Feb 15

5:55 pm - 3:25 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

16h 30m1 stop Helsinki-Vantaa

4:10 pm - 4:10 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

29h 00m1 stop Helsinki-Vantaa

$716Finnair

Tue, Mar 16 - Wed, Mar 24

4:55 pm - 3:25 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

16h 30m1 stop Helsinki-Vantaa

4:10 pm - 3:10 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

29h 00m1 stop Helsinki-Vantaa

$723Finnair

Mon, Feb 8 - Tue, Feb 16

8:09 am - 11:45 amAUS Austin Bergstrom-OPO Porto

21h 36m2 stops Chicago O'Hare Intl Madrid Barajas

8:40 pm - 5:49 pmOPO Porto-AUS Austin Bergstrom

27h 09m2 stops Madrid Barajas Chicago O'Hare Intl

$725Iberia

Mon, Mar 1 - Tue, Mar 9

1:33 pm - 11:50 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

16h 17m2 stops Chicago O'Hare Intl Madrid Barajas

4:45 pm - 5:30 amLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

18h 45m1 stop Madrid Barajas

$727Iberia

Wed, Feb 17 - Mon, Feb 22

Cheap last minute flights

Enter your travel dates to find the best prices.

5:10 pm - 10:20 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

11h 10m1 stop Washington, D.C. Dulles Intl

10:15 am - 9:31 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

17h 16m2 stops Newark Houston George Bush Intcntl

$798Air Canada

Wed, Nov 11 - Wed, Nov 18

2:25 pm - 8:10 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

11h 45m1 stop Newark

12:20 pm - 8:50 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

14h 30m1 stop Washington, D.C. Dulles Intl

$798Air Canada

Wed, Nov 11 - Wed, Nov 18

7:10 pm - 10:00 pmIAH Houston George Bush Intcntl-OPO Porto

20h 50m1 stop Paris Charles de Gaulle

5:00 am - 1:10 pmOPO Porto-IAH Houston George Bush Intcntl

14h 10m1 stop Amsterdam Schiphol

$805KLM

Wed, Nov 11 - Wed, Nov 18

5:35 pm - 10:20 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

10h 45m1 stop Washington, D.C. Dulles Intl

5:00 am - 2:25 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

15h 25m1 stop Frankfurt am Main

$808United Airlines

Mon, Nov 9 - Wed, Nov 18

5:15 am - 8:10 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

20h 55m2 stops Houston George Bush Intcntl Newark

5:00 am - 2:25 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

15h 25m1 stop Frankfurt am Main

$808United Airlines

Mon, Nov 9 - Wed, Nov 18

12:30 pm - 10:35 amIAH Houston George Bush Intcntl-OPO Porto

16h 05m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

4:10 pm - 1:10 pmOPO Porto-IAH Houston George Bush Intcntl

27h 00m1 stop Amsterdam Schiphol

$809Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

11:25 am - 8:55 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

15h 30m2 stops New York John F Kennedy Intl Boston Logan Intl

11:15 am - 10:53 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

17h 38m2 stops Boston Logan Intl New York John F Kennedy Intl

$810Virgin Atlantic

Thu, Nov 12 - Mon, Nov 16

11:25 am - 8:00 amAUS Austin Bergstrom-LIS Lisbon Humberto Delgado

14h 35m1 stop New York John F Kennedy Intl

11:15 am - 10:07 pmLIS Lisbon Humberto Delgado-AUS Austin Bergstrom

16h 52m1 stop Boston Logan Intl

$810Virgin Atlantic

Thu, Nov 12 - Mon, Nov 16

7:00 pm - 10:00 pmDFW Dallas/Fort Worth-OPO Porto

21h 00m1 stop Paris Charles de Gaulle

5:00 am - 5:24 pmOPO Porto-DFW Dallas/Fort Worth

18h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$815Multiple Airlines

Tue, Nov 10 - Tue, Nov 24

12:23 pm - 9:00 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

14h 37m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl

5:00 am - 5:24 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

18h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$816KLM

Mon, Nov 9 - Wed, Nov 18

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United Airlines flights from Texas to Portugal

Our best United Airlines deals on Texas to Portugal flight tickets

United Airlines

Feb 22

IAH6:00 amHouston George Bush Intcntl

21h 30m

1 stop

OPO9:30 amPorto

Feb 26

OPO6:00 amPorto

18h 15m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$711

United Airlines

Feb 22

IAH6:00 amHouston George Bush Intcntl

21h 30m

1 stop

OPO9:30 amPorto

Feb 26

OPO6:00 amPorto

18h 15m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$712

United Airlines

Feb 22

IAH11:55 amHouston George Bush Intcntl

15h 35m

2 stops

OPO9:30 amPorto

Feb 26

OPO6:00 amPorto

18h 15m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$715

Delta flights from Texas to Portugal

Our best Delta deals on Texas to Portugal flight tickets

Delta

Feb 3

IAH7:10 pmHouston George Bush Intcntl

20h 50m

1 stop

OPO10:00 pmPorto

Feb 15

OPO11:15 amPorto

31h 50m

1 stop

IAH1:05 pmHouston George Bush Intcntl

$713

Delta

Feb 3

IAH9:58 amHouston George Bush Intcntl

18h 37m

2 stops

OPO10:35 amPorto

Feb 17

OPO11:15 amPorto

31h 55m

1 stop

IAH1:10 pmHouston George Bush Intcntl

$717

Delta

Feb 3

IAH7:10 pmHouston George Bush Intcntl

20h 50m

1 stop

OPO10:00 pmPorto

Feb 12

OPO5:00 amPorto

24h 59m

2 stops

IAH11:59 pmHouston George Bush Intcntl

$722

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Mon 2/8

11:55 am-12:05 pm

2 stops18h 10m

Porto

Mon 2/15

7:20 pm-9:34 pm

2 stops32h 14m

$699

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Tue 2/9

11:55 am-12:05 pm

2 stops18h 10m

Porto

Wed 2/17

12:05 pm-9:34 pm

2 stops39h 29m

$699

Quickest round-trip

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Tue 4/13

5:05 pm-3:25 pm

1 stop16h 20m

Porto

Fri 4/23

5:00 am-1:15 pm

1 stop14h 15m

$710

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Tue 4/13

2:30 pm-9:45 am

1 stop13h 15m

Porto

Tue 4/20

6:00 am-6:00 pm

1 stop18h 00m

$711

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Sun 2/28

2:21 pm-9:30 am

1 stop13h 09m

Porto

Wed 3/3

6:00 am-6:15 pm

1 stop18h 15m

$711

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Mon 2/8

7:10 pm-10:00 pm

1 stop20h 50m

Porto

Mon 2/15

4:10 pm-1:05 pm

1 stop26h 55m

$712

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Tue 3/16

5:55 pm-3:25 pm

1 stop16h 30m

Lisbon Humberto Delgado

Wed 3/24

4:10 pm-4:10 pm

1 stop29h 00m

$716

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Mon 2/8

4:55 pm-3:25 pm

1 stop16h 30m

Lisbon Humberto Delgado

Tue 2/16

4:10 pm-3:10 pm

1 stop29h 00m

$723

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 3/1

8:09 am-11:45 am

2 stops21h 36m

Porto

Tue 3/9

8:40 pm-5:49 pm

2 stops27h 09m

$725

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Wed 2/17

1:33 pm-11:50 am

2 stops16h 17m

Lisbon Humberto Delgado

Mon 2/22

4:45 pm-5:30 am

1 stop18h 45m

$727

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Texas 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

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Texas is in February. Flight prices, which tend to average around $705, 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 Texas during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $716.

How far in advance should I book a flight from Texas to Portugal?

You are more likely to see cheaper flights to Portugal from Texas when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $875 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Texas for as low as $689 on momondo.

Can stopping save me money on Texas to Portugal flights?

You could potentially save up to 15% on your flight if you consider stops on a Texas to Portugal flight.

Cheap Texas to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Texas to Portugal

Best Price Found	$291
Fastest flight time	11h 50m
Direct flights	None

The best one-way flight to Portugal from Texas in the past 72 hours is $291. The best round-trip flight deal from Texas to Portugal found on momondo in the last 72 hours is $699.

The fastest flight from Texas to Portugal takes 11h 50m

There are no direct flights from Texas to Portugal. There are no popular flight routes from Texas to Portugal.

Search flight deals

Frequently asked questions about flying from Texas to Portugal

When did momondo last update prices for flights from Texas to Portugal?
Prices for flights from Texas to Portugal were last updated today.
How many operators does momondo search for flights from Texas to Portugal?
The number of operators available for flights from Texas to Portugal is 13 as of November 2026.
How old do you have to be to fly from Texas to Portugal?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Texas 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 Texas to Portugal

Compare and see reviews for airlines that fly from Texas to Portugal with momondo

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom $360	Free Cancellation	Rating 7.5 698 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $457	Free Cancellation	Rating 6.8 8,292 reviews	Search Lufthansa flights
KLM	PriceFrom $476	Free Cancellation	Rating 7.8 1,594 reviews	Search KLM flights
Delta	PriceFrom $478	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Iberia	PriceFrom $493	Free Cancellation	Rating 7.0 3,231 reviews	Search Iberia flights
British Airways	PriceFrom $500	Free Cancellation	Rating 6.7 8,285 reviews	Search British Airways flights
American Airlines	PriceFrom $508	Free Cancellation	Rating 7.0 12,227 reviews	Search American Airlines flights
Air France	PriceFrom $512	Free Cancellation	Rating 7.5 1,647 reviews	Search Air France flights
Finnair	PriceFrom $524	Free Cancellation	Rating 7.6 1,413 reviews	Search Finnair flights
Air Canada	PriceFrom $563	Free Cancellation	Rating 7.1 11,876 reviews	Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Texas to Portugal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Texas to Portugal for you.

Can I find flights from Texas to Portugal with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portugal from Texas which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Texas to Portugal?

Once all potential Texas 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 Texas to Portugal right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Texas 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.

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Popular cities in Portugal

Flights to Lisbonfrom $358

Flights to Portofrom $399

Flights to Funchalfrom $594

Flights to Farofrom $577

Flights to Ponta Delgadafrom $401

Flights to Lajesfrom $312

Flights to Hortafrom $585

Flights to Pico Islandfrom $585

Flights to Porto Santofrom $931

Flights to Velasfrom $588

Cheap flights from Texas to Portugal from $291

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Texas to Portugal departing on 1/12. 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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United Airlines flights from Texas to Portugal

Our best United Airlines deals on Texas to Portugal flight tickets

Delta flights from Texas to Portugal

Our best Delta deals on Texas to Portugal flight tickets

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See travel insights to Portugal from

How to get the cheapest flight ticket from Texas to Portugal

What is the cheapest month to fly to Portugal?

How far in advance should I book a flight from Texas to Portugal?

Can stopping save me money on Texas to Portugal flights?

What is the cheapest airline that flies from Texas to Portugal?

What airlines fly to Portugal?

How long is the flight from Texas to Portugal?

Cheap Texas to Portugal flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Texas to Portugal

Best airlines flying from Texas to Portugal

Compare and see reviews for airlines that fly from Texas to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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

Texas flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year