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 Dallas to Lisbon is 11h 35m on average, while flying from San Antonio to Lisbon is 11h 45m on average. Lisbon is the most popular airport in Portugal.

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 47% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 12 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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

SWISS, Brussels Airlines, and United Airlines 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 12 as of November 2025.

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.

$219 Cheap Flights from Texas to Portugal in 2025/26

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Find the cheapest flights from Texas to Portugal

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:05 pm - 1:20 pmAUS-OPO

13h 15m1 stop

6:35 am - 4:10 pmOPO-AUS

15h 35m1 stop

$480KLM

Find Deal

Thu, Dec 11 - Thu, Dec 25

8:00 am - 8:00 amAUS-LIS

18h 00m2 stops

11:25 am - 4:10 pmLIS-AUS

34h 45m1 stop

$480Delta

Find Deal

Mon, Dec 8 - Wed, Dec 24

11:30 am - 12:05 pmAUS-OPO

18h 35m2 stops

6:00 am - 12:19 pmOPO-AUS

36h 19m2 stops

$484Air Canada

Find Deal

Mon, Feb 2 - Tue, Feb 10

11:30 am - 12:05 pmAUS-OPO

18h 35m2 stops

6:00 am - 12:19 pmOPO-AUS

36h 19m2 stops

$485Air Canada

Find Deal

Mon, Feb 2 - Wed, Feb 11

11:20 am - 1:15 pmAUS-OPO

19h 55m2 stops

6:00 am - 8:49 pmOPO-AUS

20h 49m2 stops

$486Lufthansa

Find Deal

Wed, Feb 4 - Wed, Feb 11

12:48 pm - 11:20 amAUS-LIS

16h 32m2 stops

5:00 am - 4:10 pmLIS-AUS

17h 10m1 stop

$490Multiple Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 19

4:10 pm - 11:40 amAUS-OPO

13h 30m1 stop

6:00 am - 12:19 pmOPO-AUS

36h 19m2 stops

$495United Airlines

Find Deal

Tue, Feb 3 - Tue, Feb 10

11:30 am - 2:55 pmAUS-OPO

21h 25m2 stops

6:00 am - 12:04 pmOPO-AUS

36h 04m3 stops

$498United Airlines

Find Deal

Mon, Dec 1 - Mon, Dec 8

12:17 pm - 11:40 amAUS-OPO

17h 23m2 stops

6:00 am - 8:44 pmOPO-AUS

20h 44m2 stops

$504Lufthansa

Find Deal

Fri, Feb 6 - Fri, Feb 13

1:55 pm - 8:00 amAUS-LIS

12h 05m1 stop

10:00 am - 9:35 pmLIS-AUS

17h 35m1 stop

$506Multiple Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 9

Delta flights from Texas to Portugal

Our best Delta deals on Texas to Portugal flight tickets

Delta

Dec 8

AUS8:00 amAustin Bergstrom

18h 00m

2 stops

LIS8:00 amLisbon Humberto Delgado

Dec 24

LIS11:25 amLisbon Humberto Delgado

34h 45m

1 stop

AUS4:10 pmAustin Bergstrom

$480

Find similar

Delta

Feb 2

AUS6:40 amAustin Bergstrom

21h 50m

2 stops

OPO10:30 amPorto

Feb 9

OPO6:30 amPorto

15h 40m

1 stop

AUS4:10 pmAustin Bergstrom

$481

Find similar

Delta

Feb 2

AUS6:10 pmAustin Bergstrom

22h 15m

1 stop

OPO10:25 pmPorto

Feb 12

OPO6:35 amPorto

15h 35m

1 stop

AUS4:10 pmAustin Bergstrom

$483

Find similar

Scandinavian Airlines flights from Texas to Portugal

Our best Scandinavian Airlines deals on Texas to Portugal flight tickets

Scandinavian Airlines

Jan 29

AUS7:20 amAustin Bergstrom

26h 30m

3 stops

LIS3:50 pmLisbon Humberto Delgado

Feb 4

LIS7:05 amLisbon Humberto Delgado

20h 22m

2 stops

AUS9:27 pmAustin Bergstrom

$531

Find similar

Scandinavian Airlines

Mar 16

DAL3:45 pmDallas Love Field

36h 50m

2 stops

OPO9:35 amPorto

Mar 25

OPO10:25 amPorto

41h 11m

2 stops

DAL10:36 pmDallas Love Field

$662

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 12/11

6:05 pm-1:20 pm

1 stop13h 15m

Porto

Thu 12/25

6:35 am-4:10 pm

1 stop15h 35m

$480

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 12/8

8:00 am-8:00 am

2 stops18h 00m

Lisbon Humberto Delgado

Wed 12/24

11:25 am-4:10 pm

1 stop34h 45m

$480

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 2/2

11:30 am-12:05 pm

2 stops18h 35m

Porto

Tue 2/10

6:00 am-12:19 pm

2 stops36h 19m

$484

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 2/2

11:30 am-12:05 pm

2 stops18h 35m

Porto

Wed 2/11

6:00 am-12:19 pm

2 stops36h 19m

$485

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 2/4

11:20 am-1:15 pm

2 stops19h 55m

Porto

Wed 2/11

6:00 am-8:49 pm

2 stops20h 49m

$486

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 1/12

12:48 pm-11:20 am

2 stops16h 32m

Lisbon Humberto Delgado

Mon 1/19

5:00 am-4:10 pm

1 stop17h 10m

$490

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 2/3

4:10 pm-11:40 am

1 stop13h 30m

Porto

Tue 2/10

6:00 am-12:19 pm

2 stops36h 19m

$495

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 12/1

11:30 am-2:55 pm

2 stops21h 25m

Porto

Mon 12/8

6:00 am-12:04 pm

3 stops36h 04m

$498

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Fri 2/6

12:17 pm-11:40 am

2 stops17h 23m

Porto

Fri 2/13

6:00 am-8:44 pm

2 stops20h 44m

$504

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 12/2

1:55 pm-8:00 am

1 stop12h 05m

Lisbon Humberto Delgado

Tue 12/9

10:00 am-9:35 pm

1 stop17h 35m

$506

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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 $592, 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 October instead. Flights to Portugal in October, while not as cheap as those in February, still average around $620.

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 Texas. The lowest ticket price found for a Tuesday departure recently was $767. 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 $879.

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 afternoon. Flights from Texas to Portugal during this time can be as low as $789. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $891 per ticket.

How far in advance should I book a flight 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 $739 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 $652 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

Direct flights	None

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

Search flight deals

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 12 as of November 2025.
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
Iberia	PriceFrom $499	Free Cancellation	Rating 7.0 3,006 reviews	Search Iberia flights
American Airlines	PriceFrom $517	Free Cancellation	Rating 7.2 11,033 reviews	Search American Airlines flights
Finnair	PriceFrom $531	Free Cancellation	Rating 7.6 1,335 reviews	Search Finnair flights
KLM	PriceFrom $531	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
Delta	PriceFrom $532	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
British Airways	PriceFrom $536	Free Cancellation	Rating 6.7 7,494 reviews	Search British Airways flights
United Airlines	PriceFrom $547	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
Air France	PriceFrom $549	Free Cancellation	Rating 7.4 1,482 reviews	Search Air France flights
Air Canada	PriceFrom $563	Free Cancellation	Rating 7.1 10,395 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom $608	Free Cancellation	Rating 7.5 671 reviews	Search Virgin Atlantic 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.