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 13h 55m on average, while flying from Porto to Dallas/Fort Worth Airport is 27h 15m on average. Dallas/Fort Worth Airport is the most popular airport in Texas.

What airlines fly to Texas?

American Airlines, United Airlines and British Airways 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 49% of people opting to fly with this airline when traveling to Texas. Keep in mind that there are 4 different airlines that fly to Texas on a routine basis, so you have a few additional options to choose from.

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 4 as of September 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.

$301 Cheap Flights from Portugal to Texas in 2025

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Find the cheapest flights from Portugal to Texas

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portugal to Texas

3:25 pm - 8:54 amLIS-IAH

47h 29m2 stops

6:00 am - 5:25 amIAH-LIS

17h 25m1 stop

$642

Find Deal

Wed, Dec 3 - Wed, Dec 10

7:00 am - 8:54 amLIS-IAH

31h 54m2 stops

11:00 am - 11:40 amIAH-LIS

18h 40m1 stop

$652

Find Deal

Thu, Dec 4 - Wed, Dec 10

10:55 am - 7:43 pmLIS-DFW

14h 48m2 stops

8:40 pm - 9:45 pmDFW-LIS

19h 05m1 stop

$721American Airlines

Find Deal

Thu, Nov 6 - Sun, Nov 9

10:55 am - 10:12 pmLIS-AUS

17h 17m2 stops

5:10 pm - 2:55 pmAUS-LIS

15h 45m2 stops

$721American Airlines

Find Deal

Thu, Feb 12 - Mon, Feb 16

10:30 am - 9:45 pmLIS-DFW

17h 15m1 stop

6:50 pm - 5:55 pmDFW-LIS

17h 05m1 stop

$723British Airways

Find Deal

Sat, Feb 14 - Fri, Feb 27

11:15 am - 9:28 pmLIS-IAH

16h 13m1 stop

9:45 pm - 2:45 pmIAH-LIS

35h 00m1 stop

$723British Airways

Find Deal

Wed, Dec 3 - Mon, Dec 8

6:35 am - 4:10 pmOPO-AUS

15h 35m1 stop

6:05 pm - 6:40 pmAUS-OPO

18h 35m1 stop

$728KLM

Find Deal

Thu, Nov 6 - Mon, Nov 10

5:00 am - 8:42 pmLIS-DAL

21h 42m2 stops

6:40 pm - 6:50 pmDAL-LIS

18h 10m2 stops

$773KLM

Find Deal

Tue, Nov 4 - Tue, Nov 11

5:00 am - 2:25 pmLIS-DFW

15h 25m1 stop

12:05 pm - 10:15 amDFW-LIS

16h 10m2 stops

$796United Airlines

Find Deal

Tue, Nov 4 - Wed, Nov 12

12:20 pm - 8:26 pmLIS-AUS

14h 06m1 stop

7:05 am - 8:20 amAUS-LIS

19h 15m2 stops

$828United Airlines

Find Deal

Fri, Sep 26 - Mon, Sep 29

British Airways flights from Portugal to Texas

Our best British Airways deals on Portugal to Texas flight tickets

British Airways

Feb 14

LIS10:30 amLisbon Humberto Delgado

17h 15m

1 stop

DFW9:45 pmDallas/Fort Worth

Feb 27

DFW6:50 pmDallas/Fort Worth

17h 05m

1 stop

LIS5:55 pmLisbon Humberto Delgado

$723

Find similar

British Airways

Dec 1

LIS6:35 pmLisbon Humberto Delgado

25h 30m

1 stop

IAH2:05 pmHouston George Bush Intcntl

Dec 11

IAH1:19 pmHouston George Bush Intcntl

19h 26m

2 stops

LIS2:45 pmLisbon Humberto Delgado

$728

Find similar

British Airways

Dec 3

LIS11:15 amLisbon Humberto Delgado

16h 13m

1 stop

IAH9:28 pmHouston George Bush Intcntl

Dec 12

IAH1:28 pmHouston George Bush Intcntl

12h 27m

1 stop

LIS7:55 amLisbon Humberto Delgado

$735

Find similar

Iberia flights from Portugal to Texas

Our best Iberia deals on Portugal to Texas flight tickets

Iberia

Feb 17

LIS9:05 pmLisbon Humberto Delgado

23h 55m

1 stop

DFW3:00 pmDallas/Fort Worth

Feb 24

DFW6:50 pmDallas/Fort Worth

22h 35m

2 stops

LIS11:25 pmLisbon Humberto Delgado

$744

Find similar

Iberia

Sep 25

OPO8:15 amPorto

21h 32m

2 stops

AUS11:47 pmAustin Bergstrom

Sep 28

AUS7:31 pmAustin Bergstrom

14h 24m

2 stops

OPO3:55 pmPorto

$747

Find similar

Iberia

Feb 18

LIS5:40 pmLisbon Humberto Delgado

27h 20m

1 stop

DFW3:00 pmDallas/Fort Worth

Feb 23

DFW9:15 pmDallas/Fort Worth

20h 10m

2 stops

LIS11:25 pmLisbon Humberto Delgado

$753

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 12/3

3:25 pm-8:54 am

2 stops47h 29m

Houston George Bush Intcntl

Wed 12/10

6:00 am-5:25 am

1 stop17h 25m

$642

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 12/4

7:00 am-8:54 am

2 stops31h 54m

Houston George Bush Intcntl

Wed 12/10

11:00 am-11:40 am

1 stop18h 40m

$652

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/6

10:55 am-7:43 pm

2 stops14h 48m

Dallas/Fort Worth

Sun 11/9

8:40 pm-9:45 pm

1 stop19h 05m

$721

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 2/12

10:55 am-10:12 pm

2 stops17h 17m

Austin Bergstrom

Mon 2/16

5:10 pm-2:55 pm

2 stops15h 45m

$721

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 2/14

10:30 am-9:45 pm

1 stop17h 15m

Dallas/Fort Worth

Fri 2/27

6:50 pm-5:55 pm

1 stop17h 05m

$723

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 12/3

11:15 am-9:28 pm

1 stop16h 13m

Houston George Bush Intcntl

Mon 12/8

9:45 pm-2:45 pm

1 stop35h 00m

$723

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 11/6

6:35 am-4:10 pm

1 stop15h 35m

Austin Bergstrom

Mon 11/10

6:05 pm-6:40 pm

1 stop18h 35m

$728

LisbonDallas

LIS - DAL

LISDAL

Lisbon Humberto Delgado

Tue 11/4

5:00 am-8:42 pm

2 stops21h 42m

Dallas Love Field

Tue 11/11

6:40 pm-6:50 pm

2 stops18h 10m

$773

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 11/4

5:00 am-2:25 pm

1 stop15h 25m

Dallas/Fort Worth

Wed 11/12

12:05 pm-10:15 am

2 stops16h 10m

$796

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Fri 9/26

12:20 pm-8:26 pm

1 stop14h 06m

Austin Bergstrom

Mon 9/29

7:05 am-8:20 am

2 stops19h 15m

$828

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 March to fly from Portugal, when ticket prices are also cheap, with an average price of $785.

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 27% 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 4 as of September 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 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $682	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
United Airlines	PriceFrom $767	Free Cancellation	Rating 7.4 8,936 reviews	Search United Airlines flights
KLM	PriceFrom $809	Free Cancellation	Rating 7.8 1,385 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.