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Cheap flights from Dallas to Porto from $294

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Dallas to Porto

Cheap round-trip flights

Logo
7:02 am - 3:15 pmDFW-OPO
26h 13m2 stops
Logo
11:35 am - 4:00 pmOPO-DFW
34h 25m2 stops
$546
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Tue, Oct 14 - Fri, Oct 24
Iberia Logo
5:20 pm - 4:00 pmDFW-OPO
16h 40m1 stop
Iberia Logo
8:40 pm - 5:30 amOPO-DFW
14h 50m1 stop
$592Iberia
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Tue, Nov 25 - Wed, Dec 3
United Airlines Logo
2:26 pm - 9:30 amDFW-OPO
13h 04m2 stops
United Airlines Logo
12:30 pm - 2:25 pmOPO-DFW
31h 55m1 stop
$593United Airlines
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Mon, Nov 24 - Mon, Dec 1
United Airlines Logo
7:00 am - 9:30 amDFW-OPO
20h 30m2 stops
United Airlines Logo
12:30 pm - 9:53 amOPO-DFW
27h 23m2 stops
$594United Airlines
Find Deal
Mon, Nov 24 - Fri, Dec 5
Iberia Logo
10:31 am - 7:40 amDFW-OPO
16h 09m2 stops
Iberia Logo
8:20 am - 5:00 pmOPO-DFW
14h 40m1 stop
$598Iberia
Find Deal
Wed, Oct 29 - Tue, Nov 4
Iberia Logo
5:20 pm - 7:40 amDFW-OPO
32h 20m1 stop
Iberia Logo
4:40 pm - 5:30 amOPO-DFW
18h 50m1 stop
$600Iberia
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Mon, Nov 24 - Wed, Dec 3
Lufthansa Logo
3:50 pm - 3:45 pmDFW-OPO
17h 55m1 stop
Lufthansa Logo
12:05 pm - 2:05 pmOPO-DFW
32h 00m1 stop
$611Lufthansa
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Tue, Oct 14 - Fri, Oct 24
British Airways Logo
9:45 pm - 3:55 pmDFW-OPO
12h 10m1 stop
British Airways Logo
12:20 pm - 8:10 pmOPO-DFW
13h 50m1 stop
$622British Airways
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Tue, Oct 14 - Fri, Oct 24
American Airlines Logo
8:58 am - 7:35 amDFW-OPO
16h 37m2 stops
American Airlines Logo
8:15 am - 8:10 pmOPO-DFW
17h 55m1 stop
$629American Airlines
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Tue, Oct 14 - Fri, Oct 24
American Airlines Logo
10:31 am - 7:35 amDFW-OPO
15h 04m2 stops
American Airlines Logo
8:15 am - 8:13 pmOPO-DFW
17h 58m2 stops
$639American Airlines
Find Deal
Tue, Oct 14 - Fri, Oct 24

American Airlines flights from Dallas to Porto

Our best American Airlines deals on Dallas to Porto flight tickets
American Airlines
Oct 14
DFW8:58 amDallas/Fort Worth
16h 37m
2 stops
OPO7:35 amPorto
Oct 24
OPO8:15 amPorto
17h 55m
1 stop
DFW8:10 pmDallas/Fort Worth
$629
Find similar
American Airlines
Oct 14
DFW10:31 amDallas/Fort Worth
15h 04m
2 stops
OPO7:35 amPorto
Oct 24
OPO8:15 amPorto
17h 58m
2 stops
DFW8:13 pmDallas/Fort Worth
$639
Find similar
American Airlines
Oct 11
DFW9:45 pmDallas/Fort Worth
12h 10m
1 stop
OPO3:55 pmPorto
Oct 24
OPO12:20 pmPorto
13h 50m
1 stop
DFW8:10 pmDallas/Fort Worth
$655
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KLM flights from Dallas to Porto

Our best KLM deals on Dallas to Porto flight tickets
KLM
Nov 26
DFW1:35 pmDallas/Fort Worth
14h 55m
2 stops
OPO10:30 amPorto
Dec 4
OPO11:25 amPorto
32h 35m
1 stop
DFW2:00 pmDallas/Fort Worth
$623
Find similar
KLM
Nov 26
DFW4:05 pmDallas/Fort Worth
12h 25m
1 stop
OPO10:30 amPorto
Dec 5
OPO6:30 amPorto
21h 24m
2 stops
DFW9:54 pmDallas/Fort Worth
$630
Find similar
KLM
Oct 11
DAL6:39 pmDallas Love Field
21h 36m
2 stops
OPO10:15 pmPorto
Oct 24
OPO9:20 amPorto
20h 35m
2 stops
DAL11:55 pmDallas Love Field
$822
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dallas to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Dallas to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/14

7:02 am-3:15 pm

2 stops26h 13m

Porto

Fri 10/24

11:35 am-4:00 pm

2 stops34h 25m

$546

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 11/25

5:20 pm-4:00 pm

1 stop16h 40m

Porto

Wed 12/3

8:40 pm-5:30 am

1 stop14h 50m

$592

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 11/24

2:26 pm-9:30 am

2 stops13h 04m

Porto

Mon 12/1

12:30 pm-2:25 pm

1 stop31h 55m

$593

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 11/24

7:00 am-9:30 am

2 stops20h 30m

Porto

Fri 12/5

12:30 pm-9:53 am

2 stops27h 23m

$594

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 10/29

10:31 am-7:40 am

2 stops16h 09m

Porto

Tue 11/4

8:20 am-5:00 pm

1 stop14h 40m

$598

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 11/24

5:20 pm-7:40 am

1 stop32h 20m

Porto

Wed 12/3

4:40 pm-5:30 am

1 stop18h 50m

$600

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/14

3:50 pm-3:45 pm

1 stop17h 55m

Porto

Fri 10/24

12:05 pm-2:05 pm

1 stop32h 00m

$611

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/14

9:45 pm-3:55 pm

1 stop12h 10m

Porto

Fri 10/24

12:20 pm-8:10 pm

1 stop13h 50m

$622

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/14

8:58 am-7:35 am

2 stops16h 37m

Porto

Fri 10/24

8:15 am-8:10 pm

1 stop17h 55m

$629

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/14

10:31 am-7:35 am

2 stops15h 04m

Porto

Fri 10/24

8:15 am-8:13 pm

2 stops17h 58m

$639

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

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

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Dallas, with most prices found around $507. If you aren’t able to travel during the month of January, then book flights to Porto from Dallas during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $600.

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

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $729. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,033. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

In the evening is the cheapest time of day to fly from Dallas to Porto when you can find flight prices for as low as $802. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,218 on average. Flights to Porto from Dallas at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $793 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Dallas for as low as $585 on momondo.

Cheap Dallas to Porto flight deals and tips

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

Direct flights

None
There are no direct flights from Dallas to Porto. There are no popular flight routes from Dallas to Porto.
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  • 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 45m.

  • 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?

  • 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
DeltaPriceFrom $534Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $546Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $580Free CancellationRating
7.0
2,884 reviews
Search Iberia flights
British AirwaysPriceFrom $631Free CancellationRating
6.7
7,291 reviews
Search British Airways flights
United AirlinesPriceFrom $654Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Guimarães
Lamego
Esposende
Chaves
Arcos de Valdevez
Espinho
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
Baiao

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.

An easier way to manage your Porto trip

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