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 18h 54m on average. Another popular route from Portugal to Dallas is flying from Porto to Dallas/Fort Worth Airport, which will take roughly 21h 45m. Keep in mind that layovers or delays could extend your travel time.

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

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

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 November 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.

$404 Cheap Flights from Portugal to Dallas in 2025/26

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Find the cheapest flights from Portugal to Dallas

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Recent round-trip flight deals from Portugal to Dallas

Enter your travel dates to find the best prices.

7:45 pm - 11:12 amLIS-DFW

45h 27m2 stops

4:55 pm - 3:25 pmDFW-LIS

16h 30m1 stop

$624Multiple Airlines

Find Deal

Sun, Feb 1 - Tue, Feb 17

6:20 am - 11:12 amLIS-DFW

34h 52m2 stops

4:55 pm - 3:25 pmDFW-LIS

16h 30m1 stop

$643Multiple Airlines

Find Deal

Mon, Feb 2 - Mon, Feb 16

4:55 pm - 12:25 amLIS-DFW

37h 30m2 stops

3:35 pm - 8:55 amDFW-LIS

35h 20m2 stops

$759Scandinavian Airlines

Find Deal

Sun, Feb 8 - Fri, Feb 13

6:10 pm - 10:13 pmLIS-DFW

34h 03m2 stops

3:45 pm - 9:30 pmDFW-LIS

23h 45m2 stops

$769Scandinavian Airlines

Find Deal

Mon, Feb 2 - Mon, Feb 16

5:00 am - 2:25 pmLIS-DFW

15h 25m1 stop

7:25 am - 10:15 amDFW-LIS

20h 50m1 stop

$819United Airlines

Find Deal

Thu, Feb 19 - Sat, Mar 7

6:00 am - 9:45 pmOPO-DFW

21h 45m2 stops

4:15 pm - 10:25 pmDFW-OPO

24h 10m1 stop

$820Lufthansa

Find Deal

Thu, Feb 19 - Mon, Feb 23

6:00 am - 10:59 pmOPO-DFW

22h 59m2 stops

4:15 pm - 2:55 pmDFW-OPO

16h 40m1 stop

$821Lufthansa

Find Deal

Thu, Feb 19 - Mon, Feb 23

5:00 am - 6:21 pmLIS-DFW

19h 21m2 stops

9:55 am - 8:10 amDFW-LIS

16h 15m2 stops

$824United Airlines

Find Deal

Mon, Feb 2 - Sun, Feb 15

11:05 am - 11:59 pmLIS-DFW

18h 54m1 stop

5:30 pm - 5:45 pmDFW-LIS

18h 15m1 stop

$839American Airlines

Find Deal

Fri, Dec 26 - Sun, Jan 11

11:05 am - 7:53 amLIS-DFW

26h 48m1 stop

4:45 pm - 12:45 pmDFW-LIS

14h 00m1 stop

$856American Airlines

Find Deal

Thu, Apr 2 - Mon, Apr 6

Lufthansa flights from Portugal to Dallas

Our best Lufthansa deals on Portugal to Dallas flight tickets

Lufthansa

Feb 19

OPO6:00 amPorto

21h 45m

2 stops

DFW9:45 pmDallas/Fort Worth

Feb 23

DFW4:15 pmDallas/Fort Worth

24h 10m

1 stop

OPO10:25 pmPorto

$820

Find similar

Lufthansa

Feb 19

OPO6:00 amPorto

22h 59m

2 stops

DFW10:59 pmDallas/Fort Worth

Feb 23

DFW4:15 pmDallas/Fort Worth

16h 40m

1 stop

OPO2:55 pmPorto

$821

Find similar

Lufthansa

Feb 3

LIS8:20 amLisbon Humberto Delgado

19h 14m

2 stops

DFW9:34 pmDallas/Fort Worth

Feb 17

DFW5:53 pmDallas/Fort Worth

20h 02m

2 stops

LIS7:55 pmLisbon Humberto Delgado

$826

Find similar

Delta flights from Portugal to Dallas

Our best Delta deals on Portugal to Dallas flight tickets

Delta

Feb 1

LIS5:00 amLisbon Humberto Delgado

22h 57m

2 stops

DFW9:57 pmDallas/Fort Worth

Feb 8

DFW11:58 amDallas/Fort Worth

21h 12m

2 stops

LIS3:10 pmLisbon Humberto Delgado

$831

Find similar

Delta

Dec 26

LIS5:30 amLisbon Humberto Delgado

14h 30m

1 stop

DFW2:00 pmDallas/Fort Worth

Jan 11

DFW6:13 pmDallas/Fort Worth

17h 17m

2 stops

LIS5:30 pmLisbon Humberto Delgado

$838

Find similar

Delta

Feb 2

LIS5:00 amLisbon Humberto Delgado

18h 51m

2 stops

DAL5:51 pmDallas Love Field

Feb 15

DAL6:38 pmDallas Love Field

16h 52m

2 stops

LIS5:30 pmLisbon Humberto Delgado

$854

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sun 2/1

7:45 pm-11:12 am

2 stops45h 27m

Dallas/Fort Worth

Tue 2/17

4:55 pm-3:25 pm

1 stop16h 30m

$624

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 2/2

6:20 am-11:12 am

2 stops34h 52m

Dallas/Fort Worth

Mon 2/16

4:55 pm-3:25 pm

1 stop16h 30m

$643

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sun 2/8

4:55 pm-12:25 am

2 stops37h 30m

Dallas/Fort Worth

Fri 2/13

3:35 pm-8:55 am

2 stops35h 20m

$759

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 2/2

6:10 pm-10:13 pm

2 stops34h 03m

Dallas/Fort Worth

Mon 2/16

3:45 pm-9:30 pm

2 stops23h 45m

$769

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 2/19

5:00 am-2:25 pm

1 stop15h 25m

Dallas/Fort Worth

Sat 3/7

7:25 am-10:15 am

1 stop20h 50m

$819

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 2/19

6:00 am-9:45 pm

2 stops21h 45m

Dallas/Fort Worth

Mon 2/23

4:15 pm-10:25 pm

1 stop24h 10m

$820

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 2/19

6:00 am-10:59 pm

2 stops22h 59m

Dallas/Fort Worth

Mon 2/23

4:15 pm-2:55 pm

1 stop16h 40m

$821

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 2/2

5:00 am-6:21 pm

2 stops19h 21m

Dallas/Fort Worth

Sun 2/15

9:55 am-8:10 am

2 stops16h 15m

$824

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 12/26

11:05 am-11:59 pm

1 stop18h 54m

Dallas/Fort Worth

Sun 1/11

5:30 pm-5:45 pm

1 stop18h 15m

$839

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 4/2

11:05 am-7:53 am

1 stop26h 48m

Dallas/Fort Worth

Mon 4/6

4:45 pm-12:45 pm

1 stop14h 00m

$856

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 February, then departing from Portugal during the month October is also very affordable. Most momondo users find prices during this month for around $765.

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 November 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 $773	Free Cancellation	Rating 7.2 11,040 reviews		Search American Airlines flights

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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.