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 17h 10m on average, while flying from Porto to Dallas/Fort Worth Airport is 18h 28m on average. Dallas/Fort Worth Airport is the most popular airport in Texas.

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

WestJet, Iberia, and Aer Lingus 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 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.

$366 Cheap Flights from Portugal to Texas in 2026

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Find the cheapest flights from Portugal to Texas

Round-trip

One-way

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Recent round-trip flight deals from Portugal to Texas

Enter your travel dates to find the best prices.

10:55 pm - 11:59 pm

LIS

IAH

31h 04m

2 stops

6:50 am - 10:05 pm

IAH

LIS

33h 15m

2 stops

$842Multiple Airlines

Sat, May 2 - Sat, May 9

9:15 pm - 12:23 am

LIS

AUS

33h 08m

2 stops

6:00 am - 3:50 pm

AUS

LIS

27h 50m

3 stops

$871Multiple Airlines

Fri, May 15 - Mon, May 25

6:00 am - 11:56 pm

OPO

AUS

23h 56m

2 stops

6:40 am - 9:45 am

AUS

OPO

21h 05m

2 stops

$957United Airlines

Sat, May 16 - Sun, May 24

6:00 am - 9:34 pm

OPO

DFW

21h 34m

2 stops

12:25 pm - 7:00 am

DFW

OPO

12h 35m

1 stop

$958Air Canada

Fri, Sep 11 - Mon, Sep 14

5:05 am - 2:15 pm

LIS

DFW

15h 10m

1 stop

7:20 am - 8:20 am

DFW

LIS

19h 00m

1 stop

$959United Airlines

Mon, Apr 27 - Mon, May 11

5:00 am - 4:10 pm

OPO

AUS

17h 10m

1 stop

2:48 pm - 10:25 am

AUS

OPO

13h 37m

2 stops

$961Delta

Sat, May 16 - Sun, May 24

6:00 am - 9:34 pm

OPO

DFW

21h 34m

2 stops

12:25 pm - 11:15 am

DFW

OPO

16h 50m

2 stops

$963Air Canada

Fri, Sep 11 - Mon, Sep 14

5:55 am - 1:35 pm

OPO

DFW

13h 40m

1 stop

3:45 pm - 3:25 pm

DFW

OPO

17h 40m

1 stop

$964KLM

Fri, Sep 11 - Mon, Sep 14

5:00 am - 4:10 pm

LIS

AUS

17h 10m

1 stop

10:55 am - 11:15 am

AUS

LIS

18h 20m

2 stops

$966Delta

Sat, May 16 - Thu, Sep 3

9:55 pm - 5:18 pm

FAO

AUS

25h 23m

2 stops

4:46 pm - 7:10 pm

AUS

FAO

20h 24m

2 stops

$976KLM

Sat, Apr 25 - Sat, May 2

American Airlines flights from Portugal to Texas

Our best American Airlines deals on Portugal to Texas flight tickets

American Airlines

Apr 29

OPO8:20 amPorto

21h 39m

2 stops

DFW11:59 pmDallas/Fort Worth

May 3

DFW9:45 pmDallas/Fort Worth

12h 15m

1 stop

OPO4:00 pmPorto

$976

American Airlines

Apr 29

LIS6:35 amLisbon Humberto Delgado

19h 45m

2 stops

IAH8:20 pmHouston George Bush Intcntl

May 3

IAH3:25 pmHouston George Bush Intcntl

25h 40m

1 stop

LIS11:05 pmLisbon Humberto Delgado

$980

American Airlines

May 8

LIS6:35 amLisbon Humberto Delgado

19h 40m

1 stop

DFW8:15 pmDallas/Fort Worth

May 24

DFW8:19 pmDallas/Fort Worth

30h 46m

1 stop

LIS9:05 amLisbon Humberto Delgado

$982

KLM flights from Portugal to Texas

Our best KLM deals on Portugal to Texas flight tickets

KLM

Sep 11

OPO5:55 amPorto

13h 40m

1 stop

DFW1:35 pmDallas/Fort Worth

Sep 14

DFW3:45 pmDallas/Fort Worth

17h 40m

1 stop

OPO3:25 pmPorto

$964

KLM

Apr 25

OPO5:55 amPorto

13h 40m

1 stop

DFW1:35 pmDallas/Fort Worth

Apr 29

DFW3:45 pmDallas/Fort Worth

17h 40m

1 stop

OPO3:25 pmPorto

$966

KLM

Apr 23

OPO5:55 amPorto

13h 40m

1 stop

DFW1:35 pmDallas/Fort Worth

Apr 27

DFW3:45 pmDallas/Fort Worth

17h 40m

1 stop

OPO3:25 pmPorto

$967

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 5/2

10:55 pm-11:59 pm

2 stops31h 04m

Houston George Bush Intcntl

Sat 5/9

6:50 am-10:05 pm

2 stops33h 15m

$842

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Fri 5/15

9:15 pm-12:23 am

2 stops33h 08m

Austin Bergstrom

Mon 5/25

6:00 am-3:50 pm

3 stops27h 50m

$871

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 5/16

6:00 am-11:56 pm

2 stops23h 56m

Austin Bergstrom

Sun 5/24

6:40 am-9:45 am

2 stops21h 05m

$957

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 9/11

6:00 am-9:34 pm

2 stops21h 34m

Dallas/Fort Worth

Mon 9/14

12:25 pm-7:00 am

1 stop12h 35m

$958

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 4/27

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

Mon 5/11

7:20 am-8:20 am

1 stop19h 00m

$959

Quickest round-trip

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 5/16

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Sun 5/24

2:48 pm-10:25 am

2 stops13h 37m

$961

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 9/11

6:00 am-9:34 pm

2 stops21h 34m

Dallas/Fort Worth

Mon 9/14

12:25 pm-11:15 am

2 stops16h 50m

$963

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 9/11

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Mon 9/14

3:45 pm-3:25 pm

1 stop17h 40m

$964

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sat 5/16

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Thu 9/3

10:55 am-11:15 am

2 stops18h 20m

$966

FaroAustin

FAO - AUS

FAOAUS

Faro

Sat 4/25

9:55 pm-5:18 pm

2 stops25h 23m

Austin Bergstrom

Sat 5/2

4:46 pm-7:10 pm

2 stops20h 24m

$976

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

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Other information

What is the cheapest month to fly to Texas?

The cheapest month to fly to Texas from Portugal is in June. Flight prices, which tend to average around $794, are often lower during this time because this is during the off-season. If you don’t want to visit Texas in June, then you should wait until September to fly from Portugal, when ticket prices are also cheap, with an average price of $857.

Can stopping save me money on Portugal to Texas flights?

You could potentially save up to 7% 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

Fastest flight time	14h 15m
Direct flights	None

The fastest flight from Portugal to Texas takes 14h 15m

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

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Frequently asked questions about flying 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 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.

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.