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

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

How long does it take to fly to Dallas?

Flight times from Portugal to Dallas vary, but if you’re flying out of Lisbon and flying into Dallas/Fort Worth Airport (one of the most popular routes), then the duration is 15h on average. Another popular route from Portugal to Dallas is flying from Porto to Dallas/Fort Worth Airport, which will take roughly 40h 22m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Portugal to Dallas refresh daily.

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

As of September 2025, there is 1 operator available to choose from for flights from Portugal to Dallas.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Dallas.

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

The required travel and health documents for your Dallas 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 Dallas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$317 Cheap Flights from Portugal to Dallas in 2025/26

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Find the cheapest flights from Portugal to Dallas

Round-trip

One-way

Recent round-trip flight deals from Portugal to Dallas

10:35 am - 9:00 pmLIS-DFW

16h 25m1 stop

8:40 pm - 5:40 pmDFW-LIS

15h 00m1 stop

$628Multiple Airlines

Find Deal

Tue, Dec 2 - Tue, Jan 13

7:05 am - 7:49 pmLIS-DFW

18h 44m2 stops

6:55 pm - 2:45 pmDFW-LIS

13h 50m1 stop

$633Multiple Airlines

Find Deal

Tue, Dec 2 - Tue, Jan 13

6:30 am - 9:00 pmLIS-DFW

20h 30m2 stops

12:19 pm - 11:50 amDFW-LIS

17h 31m2 stops

$685Iberia

Find Deal

Tue, Dec 2 - Tue, Jan 13

6:35 am - 8:10 pmLIS-DFW

19h 35m1 stop

9:45 pm - 6:05 pmDFW-LIS

14h 20m1 stop

$716American Airlines

Find Deal

Thu, Oct 2 - Fri, Oct 17

11:05 am - 11:59 pmLIS-DFW

18h 54m1 stop

8:40 pm - 5:55 pmDFW-LIS

15h 15m1 stop

$724American Airlines

Find Deal

Thu, Oct 23 - Fri, Nov 7

11:40 am - 11:59 pmLIS-DFW

18h 19m2 stops

1:33 pm - 2:50 pmDFW-LIS

19h 17m2 stops

$730Delta

Find Deal

Thu, Oct 2 - Fri, Oct 17

5:40 am - 1:35 pmLIS-DFW

13h 55m1 stop

7:05 am - 9:00 amDFW-LIS

19h 55m2 stops

$731Delta

Find Deal

Tue, Oct 14 - Tue, Oct 21

5:40 am - 1:35 pmLIS-DFW

13h 55m1 stop

3:50 pm - 8:50 amDFW-LIS

35h 00m1 stop

$736Air France

Find Deal

Thu, Oct 2 - Sun, Oct 5

6:30 am - 5:40 pmLIS-DFW

16h 10m1 stop

12:19 pm - 11:50 amDFW-LIS

17h 31m2 stops

$745Iberia

Find Deal

Thu, Oct 30 - Thu, Nov 6

12:45 pm - 11:49 pmLIS-DAL

17h 04m2 stops

12:33 pm - 8:55 amDAL-LIS

14h 22m2 stops

$1,228Air France

Find Deal

Sat, Oct 4 - Thu, Nov 20

American Airlines flights from Portugal to Dallas

Our best American Airlines deals on Portugal to Dallas flight tickets

American Airlines

Oct 2

LIS6:35 amLisbon Humberto Delgado

19h 35m

1 stop

DFW8:10 pmDallas/Fort Worth

Oct 17

DFW9:45 pmDallas/Fort Worth

14h 20m

1 stop

LIS6:05 pmLisbon Humberto Delgado

$716

Find similar

American Airlines

Oct 23

LIS11:05 amLisbon Humberto Delgado

18h 54m

1 stop

DFW11:59 pmDallas/Fort Worth

Nov 7

DFW8:40 pmDallas/Fort Worth

15h 15m

1 stop

LIS5:55 pmLisbon Humberto Delgado

$724

Find similar

American Airlines

Oct 31

LIS11:05 amLisbon Humberto Delgado

13h 54m

1 stop

DFW7:59 pmDallas/Fort Worth

Nov 7

DFW5:35 pmDallas/Fort Worth

15h 15m

1 stop

LIS2:50 pmLisbon Humberto Delgado

$728

Find similar

Delta flights from Portugal to Dallas

Our best Delta deals on Portugal to Dallas flight tickets

Delta

Oct 2

LIS11:40 amLisbon Humberto Delgado

18h 19m

2 stops

DFW11:59 pmDallas/Fort Worth

Oct 17

DFW1:33 pmDallas/Fort Worth

19h 17m

2 stops

LIS2:50 pmLisbon Humberto Delgado

$730

Find similar

Delta

Oct 14

LIS5:40 amLisbon Humberto Delgado

13h 55m

1 stop

DFW1:35 pmDallas/Fort Worth

Oct 21

DFW7:05 amDallas/Fort Worth

19h 55m

2 stops

LIS9:00 amLisbon Humberto Delgado

$731

Find similar

Delta

Oct 2

LIS11:40 amLisbon Humberto Delgado

18h 19m

2 stops

DFW11:59 pmDallas/Fort Worth

Oct 17

DFW1:33 pmDallas/Fort Worth

19h 17m

2 stops

LIS2:50 pmLisbon Humberto Delgado

$734

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 12/2

10:35 am-9:00 pm

1 stop16h 25m

Dallas/Fort Worth

Tue 1/13

8:40 pm-5:40 pm

1 stop15h 00m

$628

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 12/2

7:05 am-7:49 pm

2 stops18h 44m

Dallas/Fort Worth

Tue 1/13

6:55 pm-2:45 pm

1 stop13h 50m

$633

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 12/2

6:30 am-9:00 pm

2 stops20h 30m

Dallas/Fort Worth

Tue 1/13

12:19 pm-11:50 am

2 stops17h 31m

$685

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/2

6:35 am-8:10 pm

1 stop19h 35m

Dallas/Fort Worth

Fri 10/17

9:45 pm-6:05 pm

1 stop14h 20m

$716

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/23

11:05 am-11:59 pm

1 stop18h 54m

Dallas/Fort Worth

Fri 11/7

8:40 pm-5:55 pm

1 stop15h 15m

$724

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/2

11:40 am-11:59 pm

2 stops18h 19m

Dallas/Fort Worth

Fri 10/17

1:33 pm-2:50 pm

2 stops19h 17m

$730

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 10/14

5:40 am-1:35 pm

1 stop13h 55m

Dallas/Fort Worth

Tue 10/21

7:05 am-9:00 am

2 stops19h 55m

$731

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/2

5:40 am-1:35 pm

1 stop13h 55m

Dallas/Fort Worth

Sun 10/5

3:50 pm-8:50 am

1 stop35h 00m

$736

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/30

6:30 am-5:40 pm

1 stop16h 10m

Dallas/Fort Worth

Thu 11/6

12:19 pm-11:50 am

2 stops17h 31m

$745

LisbonDallas

LIS - DAL

LISDAL

Lisbon Humberto Delgado

Sat 10/4

12:45 pm-11:49 pm

2 stops17h 04m

Dallas Love Field

Thu 11/20

12:33 pm-8:55 am

2 stops14h 22m

$1,228

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 Dallas

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 Dallas?

If you are unable to visit Dallas during the month of September, then departing from Portugal during the month February is also very affordable. Most momondo users find prices during this month for around $755.

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

On average, the least expensive day to fly to Dallas from Portugal is on a Thursday. momondo users have found tickets for Thursday departures for as low as $818. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Portugal because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,324.

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

Flying to Dallas from Portugal in the morning is the least expensive time of day to depart. momondo users have found prices as low as $967 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around $1,327 per ticket.

Cheap Portugal to Dallas flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Portugal to Dallas?
Prices for flights from Portugal to Dallas refresh daily.
How many operators does momondo search for flights from Portugal to Dallas?
As of September 2025, there is 1 operator available to choose from for flights from Portugal to Dallas.
How old do you have to be to fly from Portugal to Dallas?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Dallas.
What documentation or ID do you need to fly to Dallas?
The required travel and health documents for your Dallas 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 Dallas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portugal to Dallas

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $790	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Dallas from Portugal with this policy.

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

Once you have performed a search for Portugal to Dallas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Dallas from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.