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Cheap flights from Dallas to Porto from $289

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 3/11. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:36 am - 9:30 amDFW-OPO
16h 54m1 stop
Multiple Airlines Logo
6:00 am - 2:57 pmOPO-DFW
37h 57m2 stops
$579Multiple Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 10
Air Canada Logo
12:20 pm - 12:05 pmDFW-OPO
17h 45m2 stops
Air Canada Logo
6:00 am - 9:32 pmOPO-DFW
44h 32m2 stops
$583Air Canada
Find Deal
Mon, Mar 2 - Tue, Mar 10
United Airlines Logo
12:06 pm - 9:30 amDFW-OPO
15h 24m2 stops
United Airlines Logo
6:00 am - 2:57 pmOPO-DFW
37h 57m2 stops
$584United Airlines
Find Deal
Sun, Mar 1 - Tue, Mar 10
Air Canada Logo
7:05 am - 12:50 pmDFW-OPO
23h 45m2 stops
Air Canada Logo
6:00 am - 2:57 pmOPO-DFW
37h 57m2 stops
$589Air Canada
Find Deal
Tue, Mar 3 - Tue, Mar 10
Delta Logo
11:58 am - 10:30 amDAL-OPO
16h 32m2 stops
Delta Logo
6:35 am - 10:36 pmOPO-DAL
21h 01m2 stops
$591Delta
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Mon, Mar 2 - Thu, Mar 12
Delta Logo
5:20 am - 10:30 amDFW-OPO
23h 10m2 stops
Delta Logo
6:00 am - 10:40 pmOPO-DFW
21h 40m2 stops
$591Delta
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Sun, Mar 1 - Wed, Mar 11
Iberia Logo
5:30 pm - 8:00 pmDFW-OPO
20h 30m1 stop
Iberia Logo
4:40 pm - 5:30 amOPO-DFW
18h 50m1 stop
$593Iberia
Find Deal
Sun, Jan 11 - Mon, Jan 26
American Airlines Logo
1:55 pm - 4:00 pmDFW-OPO
20h 05m1 stop
American Airlines Logo
12:25 pm - 5:30 amOPO-DFW
23h 05m1 stop
$594American Airlines
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Sun, Jan 11 - Mon, Jan 26
Air Canada Logo
12:20 pm - 1:15 pmDFW-OPO
18h 55m2 stops
Air Canada Logo
6:00 am - 9:39 pmOPO-DFW
44h 39m2 stops
$595Air Canada
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Wed, Mar 4 - Wed, Mar 11
SWISS Logo
1:10 pm - 11:15 amDFW-OPO
40h 05m2 stops
SWISS Logo
7:20 pm - 11:06 pmOPO-DFW
32h 46m2 stops
$596SWISS
Find Deal
Tue, Mar 3 - Wed, Mar 11

Air Canada flights from Dallas to Porto

Our best Air Canada deals on Dallas to Porto flight tickets
Air Canada
Mar 2
DFW12:20 pmDallas/Fort Worth
17h 45m
2 stops
OPO12:05 pmPorto
Mar 10
OPO6:00 amPorto
44h 32m
2 stops
DFW9:32 pmDallas/Fort Worth
$583
Find similar
Air Canada
Mar 3
DFW7:05 amDallas/Fort Worth
23h 45m
2 stops
OPO12:50 pmPorto
Mar 10
OPO6:00 amPorto
37h 57m
2 stops
DFW2:57 pmDallas/Fort Worth
$589
Find similar
Air Canada
Mar 4
DFW12:20 pmDallas/Fort Worth
18h 55m
2 stops
OPO1:15 pmPorto
Mar 10
OPO6:00 amPorto
44h 39m
2 stops
DFW9:39 pmDallas/Fort Worth
$595
Find similar

United Airlines flights from Dallas to Porto

Our best United Airlines deals on Dallas to Porto flight tickets
United Airlines
Mar 1
DFW12:06 pmDallas/Fort Worth
15h 24m
2 stops
OPO9:30 amPorto
Mar 10
OPO6:00 amPorto
37h 57m
2 stops
DFW2:57 pmDallas/Fort Worth
$584
Find similar
United Airlines
Mar 3
DFW12:15 pmDallas/Fort Worth
15h 15m
2 stops
OPO9:30 amPorto
Mar 10
OPO12:35 pmPorto
14h 00m
1 stop
DFW9:35 pmDallas/Fort Worth
$598
Find similar
United Airlines
Jan 11
DFW6:45 amDallas/Fort Worth
22h 55m
3 stops
OPO11:40 amPorto
Jan 26
OPO12:30 pmPorto
39h 09m
2 stops
DFW9:39 pmDallas/Fort Worth
$611
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 November 22, 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

Sun 3/1

10:36 am-9:30 am

1 stop16h 54m

Porto

Tue 3/10

6:00 am-2:57 pm

2 stops37h 57m

$579

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/2

12:20 pm-12:05 pm

2 stops17h 45m

Porto

Tue 3/10

6:00 am-9:32 pm

2 stops44h 32m

$583

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 3/1

12:06 pm-9:30 am

2 stops15h 24m

Porto

Tue 3/10

6:00 am-2:57 pm

2 stops37h 57m

$584

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 3/3

7:05 am-12:50 pm

2 stops23h 45m

Porto

Tue 3/10

6:00 am-2:57 pm

2 stops37h 57m

$589

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 3/2

11:58 am-10:30 am

2 stops16h 32m

Porto

Thu 3/12

6:35 am-10:36 pm

2 stops21h 01m

$591

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 3/1

5:20 am-10:30 am

2 stops23h 10m

Porto

Wed 3/11

6:00 am-10:40 pm

2 stops21h 40m

$591

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/11

5:30 pm-8:00 pm

1 stop20h 30m

Porto

Mon 1/26

4:40 pm-5:30 am

1 stop18h 50m

$593

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/11

1:55 pm-4:00 pm

1 stop20h 05m

Porto

Mon 1/26

12:25 pm-5:30 am

1 stop23h 05m

$594

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 3/4

12:20 pm-1:15 pm

2 stops18h 55m

Porto

Wed 3/11

6:00 am-9:39 pm

2 stops44h 39m

$595

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 3/3

1:10 pm-11:15 am

2 stops40h 05m

Porto

Wed 3/11

7:20 pm-11:06 pm

2 stops32h 46m

$596

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 December instead. Flights to Porto in December, while not as cheap as those in January, still average around $599.

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 $784 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 $551 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.
Search flight deals

  • 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 10m.

  • 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
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $546Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
IberiaPriceFrom $576Free CancellationRating
7.0
3,031 reviews
Search Iberia flights
United AirlinesPriceFrom $693Free CancellationRating
7.4
9,032 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
Coimbra
Aveiro
Matosinhos
Braga
Lamego
Guimarães
Esposende
Chaves
Espinho
Viseu
Ponte de Lima
Arcos de Valdevez
Pinhao
Curia
Penafiel
Mesao Frio
Mira
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.

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