How long is the flight from Portugal to Texas?

Average flight duration from Portugal to Texas depends on which airport you fly into and out of. Flying from Lisbon to Dallas/Fort Worth Airport is 15h 15m on average, while flying from Porto to Dallas/Fort Worth Airport is 22h 59m on average. Dallas/Fort Worth Airport is the most popular airport in Texas.

What airlines fly to Texas?

American Airlines, United Airlines and KLM are the top three most popular airlines that fly to Texas from Portugal according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Texas. Keep in mind that there are 3 different airlines that fly to Texas on a routine basis, so you have a few additional options to choose from.

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

Iberia, British Airways, and American Airlines are the most popular carriers operating from Portugal to Texas

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

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

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

The number of operators available for flights from Portugal to Texas is 3 as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Texas.

What documentation or ID do you need to fly to Texas?

The travel and health documents you'll need for your trip to Texas may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Texas. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$346 Cheap Flights from Portugal to Texas in 2025/26

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Find the cheapest flights from Portugal to Texas

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Recent round-trip flight deals from Portugal to Texas

Enter your travel dates to find the best prices.

6:30 am - 7:45 pmLIS-DFW

43h 15m2 stops

4:55 pm - 3:25 pmDFW-LIS

16h 30m1 stop

$603Multiple Airlines

Find Deal

Wed, Feb 11 - Tue, Feb 17

9:05 am - 2:53 pmLIS-DFW

35h 48m2 stops

4:15 pm - 2:50 pmDFW-LIS

16h 35m1 stop

$618Multiple Airlines

Find Deal

Tue, Jan 13 - Mon, Jan 19

7:05 am - 9:43 pmLIS-DFW

20h 38m2 stops

4:00 pm - 8:55 amDFW-LIS

34h 55m2 stops

$757Scandinavian Airlines

Find Deal

Wed, Feb 11 - Wed, Feb 18

4:55 pm - 12:25 amLIS-DFW

37h 30m2 stops

7:15 am - 4:05 pmDFW-LIS

26h 50m2 stops

$759Scandinavian Airlines

Find Deal

Sun, Feb 1 - Tue, Feb 17

6:00 am - 11:46 pmOPO-AUS

22h 46m2 stops

7:15 am - 9:45 amAUS-OPO

20h 30m2 stops

$813United Airlines

Find Deal

Thu, Mar 26 - Thu, Apr 2

6:00 am - 8:56 pmOPO-AUS

20h 56m2 stops

2:00 pm - 9:45 amAUS-OPO

13h 45m1 stop

$814United Airlines

Find Deal

Tue, Mar 31 - Tue, Apr 7

4:20 pm - 4:10 pmOPO-AUS

29h 50m1 stop

6:00 pm - 10:15 pmAUS-OPO

22h 15m1 stop

$819KLM

Find Deal

Sun, Mar 29 - Mon, Apr 6

11:25 am - 12:40 amOPO-AUS

19h 15m2 stops

6:00 pm - 10:15 pmAUS-OPO

22h 15m1 stop

$825KLM

Find Deal

Mon, Mar 30 - Mon, Apr 6

10:55 am - 10:28 pmLIS-AUS

17h 33m2 stops

6:55 pm - 6:55 pmAUS-LIS

18h 00m1 stop

$836American Airlines

Find Deal

Thu, Feb 5 - Mon, Feb 9

11:05 am - 12:09 amLIS-IAH

19h 04m2 stops

12:11 pm - 12:10 pmIAH-LIS

17h 59m2 stops

$836American Airlines

Find Deal

Wed, Dec 3 - Thu, Dec 11

Scandinavian Airlines flights from Portugal to Texas

Our best Scandinavian Airlines deals on Portugal to Texas flight tickets

Scandinavian Airlines

Feb 11

LIS7:05 amLisbon Humberto Delgado

20h 38m

2 stops

DFW9:43 pmDallas/Fort Worth

Feb 18

DFW4:00 pmDallas/Fort Worth

34h 55m

2 stops

LIS8:55 amLisbon Humberto Delgado

$757

Find similar

Scandinavian Airlines

Feb 1

LIS4:55 pmLisbon Humberto Delgado

37h 30m

2 stops

DFW12:25 amDallas/Fort Worth

Feb 17

DFW7:15 amDallas/Fort Worth

26h 50m

2 stops

LIS4:05 pmLisbon Humberto Delgado

$759

Find similar

Scandinavian Airlines

Feb 2

LIS6:10 pmLisbon Humberto Delgado

34h 03m

2 stops

DFW10:13 pmDallas/Fort Worth

Feb 16

DFW3:45 pmDallas/Fort Worth

23h 45m

2 stops

LIS9:30 pmLisbon Humberto Delgado

$769

Find similar

SWISS flights from Portugal to Texas

Our best SWISS deals on Portugal to Texas flight tickets

SWISS

Feb 19

OPO7:25 pmPorto

33h 34m

2 stops

DFW10:59 pmDallas/Fort Worth

Feb 23

DFW1:10 pmDallas/Fort Worth

22h 20m

2 stops

OPO5:30 pmPorto

$833

Find similar

SWISS

Feb 19

OPO7:25 pmPorto

33h 34m

2 stops

DFW10:59 pmDallas/Fort Worth

Feb 23

DFW1:10 pmDallas/Fort Worth

22h 20m

2 stops

OPO5:30 pmPorto

$835

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 2/11

6:30 am-7:45 pm

2 stops43h 15m

Dallas/Fort Worth

Tue 2/17

4:55 pm-3:25 pm

1 stop16h 30m

$603

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 1/13

9:05 am-2:53 pm

2 stops35h 48m

Dallas/Fort Worth

Mon 1/19

4:15 pm-2:50 pm

1 stop16h 35m

$618

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 2/11

7:05 am-9:43 pm

2 stops20h 38m

Dallas/Fort Worth

Wed 2/18

4:00 pm-8:55 am

2 stops34h 55m

$757

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sun 2/1

4:55 pm-12:25 am

2 stops37h 30m

Dallas/Fort Worth

Tue 2/17

7:15 am-4:05 pm

2 stops26h 50m

$759

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 3/26

6:00 am-11:46 pm

2 stops22h 46m

Austin Bergstrom

Thu 4/2

7:15 am-9:45 am

2 stops20h 30m

$813

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 3/31

6:00 am-8:56 pm

2 stops20h 56m

Austin Bergstrom

Tue 4/7

2:00 pm-9:45 am

1 stop13h 45m

$814

PortoAustin

OPO - AUS

OPOAUS

Porto

Sun 3/29

4:20 pm-4:10 pm

1 stop29h 50m

Austin Bergstrom

Mon 4/6

6:00 pm-10:15 pm

1 stop22h 15m

$819

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 3/30

11:25 am-12:40 am

2 stops19h 15m

Austin Bergstrom

Mon 4/6

6:00 pm-10:15 pm

1 stop22h 15m

$825

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 2/5

10:55 am-10:28 pm

2 stops17h 33m

Austin Bergstrom

Mon 2/9

6:55 pm-6:55 pm

1 stop18h 00m

$836

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 12/3

11:05 am-12:09 am

2 stops19h 04m

Houston George Bush Intcntl

Thu 12/11

12:11 pm-12:10 pm

2 stops17h 59m

$836

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 Portugal to Texas

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 Texas?

The cheapest month to fly to Texas from Portugal is in February. Flight prices, which tend to average around $755, are often lower during this time because this is during the off-season. If you don’t want to visit Texas in February, then you should wait until October to fly from Portugal, when ticket prices are also cheap, with an average price of $765.

What is the cheapest day to depart on your flight to Texas?

According to our data, Thursday is the cheapest day to fly to Texas from Portugal. The lowest ticket price found for a Thursday departure recently was $818. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Texas on Sunday is $1,324.

What is the cheapest time of day to depart on your flight to Texas?

The cheapest time of day to fly to Texas is in the morning when flights can be purchased for as low as $967. Flights to Texas are more costly in the afternoon, with an average ticket price of $1,327. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Portugal to Texas flights?

You could potentially save up to 4% on your flight if you consider stops on a Portugal to Texas flight.

Cheap Portugal to Texas flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Portugal to Texas?
Prices for flights from Portugal to Texas were last updated today.
How many operators does momondo search for flights from Portugal to Texas?
The number of operators available for flights from Portugal to Texas is 3 as of November 2025.
How old do you have to be to fly from Portugal to Texas?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Texas.
What documentation or ID do you need to fly to Texas?
The travel and health documents you'll need for your trip to Texas may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Texas. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portugal to Texas

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $675	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $767	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
KLM	PriceFrom $809	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portugal to Texas. momondo saves you time and could save you money on your trip.

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

Flights from Portugal to Texas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Texas from Portugal.

I’m not ready to book a flight from Portugal to Texas right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portugal to Texas 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.