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

KLM, Air France, and Delta are the most popular carriers operating from Dallas to Porto

What airlines fly to Porto?

Iberia, American Airlines and United Airlines are the top three most popular airlines that fly to Porto from Dallas according to our data. Iberia is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 4 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Dallas to Porto Airport were last updated today.

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

As of September 2026, there are 4 operators available to choose from for flights from Dallas to Porto Airport.

How old do you have to be to fly from Dallas to Porto Airport?

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 Dallas to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$351 Cheap Flights from Dallas to Porto in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Dallas to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:50 pm - 4:00 pmDFW Dallas/Fort Worth-OPO Porto

20h 10m1 stop Madrid Barajas

8:20 am - 12:44 amOPO Porto-DFW Dallas/Fort Worth

22h 24m2 stops Madrid Barajas Miami

$715Iberia

Tue, Nov 10 - Tue, Nov 24

1:50 pm - 4:00 pmDFW Dallas/Fort Worth-OPO Porto

20h 10m1 stop Madrid Barajas

8:40 pm - 5:00 pmOPO Porto-DFW Dallas/Fort Worth

26h 20m1 stop Madrid Barajas

$716Iberia

Tue, Nov 10 - Tue, Nov 24

12:25 pm - 6:50 amDFW Dallas/Fort Worth-OPO Porto

12h 25m1 stop Montreal Pierre Elliott Trudeau Intl

12:35 pm - 2:25 pmOPO Porto-DFW Dallas/Fort Worth

31h 50m1 stop Frankfurt am Main

$718Multiple Airlines

Mon, Oct 19 - Tue, Nov 3

12:10 pm - 12:05 pmDFW Dallas/Fort Worth-OPO Porto

17h 55m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

12:55 pm - 9:30 pmOPO Porto-DFW Dallas/Fort Worth

38h 35m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

$719Multiple Airlines

Tue, Nov 10 - Tue, Nov 24

8:15 am - 10:30 amDFW Dallas/Fort Worth-OPO Porto

20h 15m1 stop New York John F Kennedy Intl

9:55 am - 10:05 pmOPO Porto-DFW Dallas/Fort Worth

18h 10m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$722KLM

Mon, Oct 19 - Tue, Nov 3

7:00 am - 9:30 amDFW Dallas/Fort Worth-OPO Porto

20h 30m2 stops Chicago O'Hare Intl Newark

6:00 am - 2:45 pmOPO Porto-DFW Dallas/Fort Worth

38h 45m2 stops Frankfurt am Main Toronto Pearson Intl

$725United Airlines

Wed, Dec 9 - Wed, Dec 16

11:25 am - 9:30 amDFW Dallas/Fort Worth-OPO Porto

16h 05m1 stop Newark

6:00 am - 2:45 pmOPO Porto-DFW Dallas/Fort Worth

38h 45m2 stops Frankfurt am Main Toronto Pearson Intl

$725United Airlines

Wed, Dec 9 - Wed, Dec 16

3:50 pm - 11:45 amDFW Dallas/Fort Worth-OPO Porto

13h 55m1 stop Madrid Barajas

4:40 pm - 5:30 amOPO Porto-DFW Dallas/Fort Worth

18h 50m1 stop Madrid Barajas

$727Iberia

Mon, Nov 30 - Wed, Dec 9

9:30 pm - 10:00 amDFW Dallas/Fort Worth-OPO Porto

30h 30m1 stop Istanbul

10:40 am - 7:35 pmOPO Porto-DFW Dallas/Fort Worth

38h 55m1 stop Istanbul

$837Turkish Airlines

Tue, Sep 22 - Fri, Oct 9

9:30 pm - 3:45 pmDFW Dallas/Fort Worth-OPO Porto

36h 15m1 stop Istanbul

10:40 am - 7:35 pmOPO Porto-DFW Dallas/Fort Worth

38h 55m1 stop Istanbul

$837Turkish Airlines

Wed, Oct 14 - Tue, Oct 20

Cheap last minute flights

Enter your travel dates to find the best prices.

12:49 pm - 6:55 amDFW Dallas/Fort Worth-OPO Porto

12h 06m1 stop Newark

12:20 pm - 6:44 pmOPO Porto-DFW Dallas/Fort Worth

36h 24m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

$1,303United Airlines

Sat, Sep 5 - Sat, Sep 12

12:49 pm - 9:45 amDFW Dallas/Fort Worth-OPO Porto

14h 56m1 stop Newark

12:20 pm - 9:34 pmOPO Porto-DFW Dallas/Fort Worth

15h 14m1 stop Montreal Pierre Elliott Trudeau Intl

$1,316United Airlines

Sat, Sep 5 - Sat, Sep 12

7:00 am - 8:30 amDFW Dallas/Fort Worth-OPO Porto

19h 30m2 stops Boston Logan Intl Paris Charles de Gaulle

5:00 am - 9:05 pmOPO Porto-DFW Dallas/Fort Worth

22h 05m2 stops Amsterdam Schiphol New York John F Kennedy Intl

$1,320Delta

Sat, Sep 5 - Sat, Sep 12

12:25 pm - 8:25 pmDFW Dallas/Fort Worth-OPO Porto

26h 00m2 stops Montreal Pierre Elliott Trudeau Intl Lisbon Humberto Delgado

9:00 am - 7:47 pmOPO Porto-DFW Dallas/Fort Worth

16h 47m2 stops Lisbon Humberto Delgado Toronto Pearson Intl

$1,393Multiple Airlines

Mon, Sep 7 - Wed, Sep 9

12:30 pm - 8:15 pmDFW Dallas/Fort Worth-OPO Porto

25h 45m3 stops Toronto Pearson Intl Brussels Bruxelles-National Manchester

2:25 pm - 7:35 pmOPO Porto-DFW Dallas/Fort Worth

35h 10m2 stops Lyon-Saint Exupéry Istanbul

$1,462Multiple Airlines

Mon, Sep 7 - Wed, Sep 9

8:00 am - 11:05 amDFW Dallas/Fort Worth-OPO Porto

21h 05m1 stop Newark

7:35 am - 6:29 pmOPO Porto-DFW Dallas/Fort Worth

40h 54m2 stops Madrid Barajas Santiago de Querétaro

$1,505Multiple Airlines

Mon, Sep 7 - Wed, Sep 9

9:30 pm - 9:45 amDFW Dallas/Fort Worth-OPO Porto

30h 15m1 stop Istanbul

4:40 pm - 7:35 pmOPO Porto-DFW Dallas/Fort Worth

32h 55m1 stop Istanbul

$1,511Turkish Airlines

Mon, Sep 7 - Wed, Sep 9

12:30 pm - 8:15 pmDFW Dallas/Fort Worth-OPO Porto

25h 45m3 stops Toronto Pearson Intl Brussels Bruxelles-National Manchester

2:05 pm - 7:35 pmOPO Porto-DFW Dallas/Fort Worth

35h 30m3 stops Barcelona-El Prat Palermo Punta Raisi Istanbul

$1,513Multiple Airlines

Mon, Sep 7 - Wed, Sep 9

12:25 pm - 1:45 pmDFW Dallas/Fort Worth-OPO Porto

19h 20m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Luxembourg

7:35 am - 10:46 amOPO Porto-DFW Dallas/Fort Worth

33h 11m3 stops Madrid Barajas Cancun Mexico City Benito Juarez

$1,520Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

12:25 pm - 1:50 pmDFW Dallas/Fort Worth-OPO Porto

19h 25m2 stops Montreal Pierre Elliott Trudeau Intl Geneva Geneve-Cointrin

7:35 am - 10:46 amOPO Porto-DFW Dallas/Fort Worth

33h 11m3 stops Madrid Barajas Cancun Mexico City Benito Juarez

$1,595Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

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KLM flights from Dallas to Porto

Our best KLM deals on Dallas to Porto flight tickets

KLM

Oct 19

DFW8:15 amDallas/Fort Worth

20h 15m

1 stop

OPO10:30 amPorto

Nov 3

OPO9:55 amPorto

18h 10m

2 stops

DFW10:05 pmDallas/Fort Worth

$722

KLM

Oct 25

DFW8:15 amDallas/Fort Worth

18h 00m

1 stop

OPO7:15 amPorto

Nov 3

OPO9:55 amPorto

20h 27m

2 stops

DFW12:22 amDallas/Fort Worth

$728

KLM

Oct 25

DFW6:05 pmDallas/Fort Worth

16h 20m

2 stops

OPO3:25 pmPorto

Nov 3

OPO9:55 amPorto

20h 27m

2 stops

DFW12:22 amDallas/Fort Worth

$737

Delta flights from Dallas to Porto

Our best Delta deals on Dallas to Porto flight tickets

Delta

Oct 19

DFW6:45 amDallas/Fort Worth

21h 45m

2 stops

OPO10:30 amPorto

Nov 3

OPO5:55 amPorto

22h 31m

2 stops

DFW10:26 pmDallas/Fort Worth

$729

Delta

Nov 30

DFW1:52 pmDallas/Fort Worth

14h 43m

2 stops

OPO10:35 amPorto

Dec 9

OPO5:00 amPorto

22h 56m

2 stops

DFW9:56 pmDallas/Fort Worth

$732

Delta

Jan 26

DFW7:00 pmDallas/Fort Worth

21h 00m

1 stop

OPO10:00 pmPorto

Feb 1

OPO11:30 amPorto

39h 37m

2 stops

DFW9:07 pmDallas/Fort Worth

$753

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Tue 11/10

1:50 pm-4:00 pm

1 stop20h 10m

Porto

Tue 11/24

8:20 am-12:44 am

2 stops22h 24m

$715

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Tue 11/10

1:50 pm-4:00 pm

1 stop20h 10m

Porto

Tue 11/24

8:40 pm-5:00 pm

1 stop26h 20m

$716

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Mon 10/19

12:25 pm-6:50 am

1 stop12h 25m

Porto

Tue 11/3

12:35 pm-2:25 pm

1 stop31h 50m

$718

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Tue 11/10

12:10 pm-12:05 pm

2 stops17h 55m

Porto

Tue 11/24

12:55 pm-9:30 pm

2 stops38h 35m

$719

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Mon 10/19

8:15 am-10:30 am

1 stop20h 15m

Porto

Tue 11/3

9:55 am-10:05 pm

2 stops18h 10m

$722

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Wed 12/9

7:00 am-9:30 am

2 stops20h 30m

Porto

Wed 12/16

6:00 am-2:45 pm

2 stops38h 45m

$725

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Wed 12/9

11:25 am-9:30 am

1 stop16h 05m

Porto

Wed 12/16

6:00 am-2:45 pm

2 stops38h 45m

$725

Quickest round-trip

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Mon 11/30

3:50 pm-11:45 am

1 stop13h 55m

Porto

Wed 12/9

4:40 pm-5:30 am

1 stop18h 50m

$727

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Tue 9/22

9:30 pm-10:00 am

1 stop30h 30m

Porto

Fri 10/9

10:40 am-7:35 pm

1 stop38h 55m

$837

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Wed 10/14

9:30 pm-3:45 pm

1 stop36h 15m

Porto

Tue 10/20

10:40 am-7:35 pm

1 stop38h 55m

$837

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 Dallas to Porto

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

What is the typical price of a round-trip flight between Dallas and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from $806 to $1,091.
The lowest price recently found on this route was $715.

What is the cheapest month to fly to Porto?

The month of December is, on average, the cheapest month to fly to Porto from Dallas, with most prices found around $669. If you aren’t able to travel during the month of December, then book flights to Porto from Dallas during January instead. Flights to Porto in January, while not as cheap as those in December, still average around $704.

Cheap Dallas to Porto flight deals and tips

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

Best Price Found	$351
Fastest flight time	11h 50m
Direct flights	None

The best one-way flight to Porto from Dallas in the past 72 hours is $351. The best round-trip flight deal from Dallas to Porto found on momondo in the last 72 hours is $715.

The fastest flight from Dallas to Porto takes 11h 50m

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

Search flight deals

Frequently asked questions about flying from Dallas to Porto

How far is Dallas to Porto by plane?
The distance between Dallas and Porto is about 4687.1 mi. A reasonable flight in good conditions will take 11h 50m.
When did momondo last update prices for flights from Dallas to Porto Airport?
Prices for flights from Dallas to Porto Airport were last updated today.
How many operators does momondo search for flights from Dallas to Porto Airport?
As of September 2026, there are 4 operators available to choose from for flights from Dallas to Porto Airport.
How old do you have to be to fly from Dallas to Porto Airport?
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 Dallas to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Dallas to Porto

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

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $584	Free Cancellation	Rating 7.0 3,248 reviews	Search Iberia flights
American Airlines	PriceFrom $593	Free Cancellation	Rating 7.1 12,045 reviews	Search American Airlines flights
Turkish Airlines	PriceFrom $653	Free Cancellation	Rating 7.4 4,480 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $716	Free Cancellation	Rating 7.4 10,169 reviews	Search United Airlines flights

Coimbra

Vila Nova de Gaia

Aveiro

Braga

Pinhao

Matosinhos

Esposende

Chaves

Arcos de Valdevez

Viseu

Espinho

Guimarães

Lamego

Ponte de Lima

Mesao Frio

Penafiel

Caminha

Baiao

Mira

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Dallas.

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

Yes. All flights to Porto from Dallas on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dallas to Porto.

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

Yes. momondo can track prices for Dallas to Porto 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.

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Cheap flights from Dallas to Porto from $351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to Porto departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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KLM flights from Dallas to Porto

Our best KLM deals on Dallas to Porto flight tickets

Delta flights from Dallas to Porto

Our best Delta deals on Dallas to Porto flight tickets

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How to get the cheapest flight ticket from Dallas to Porto

What is the typical price of a round-trip flight between Dallas and Porto?

What is the cheapest month to fly to Porto?

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

What airlines fly to Porto?

Cheap Dallas to Porto flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Dallas to Porto

Best airlines flying from Dallas to Porto

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

Traveling to a place near Porto?

Why use momondo?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favorite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Porto

List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

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