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Cheap flights from Dallas to Porto from $376

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 8/17. 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
1 adult, Economy, 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.
Scandinavian Airlines Logo
1:25 pm - 11:05 am
DFW
-
OPO
39h 40m
2 stops
Scandinavian Airlines Logo
11:55 am - 9:07 pm
OPO
-
DFW
39h 12m
2 stops
$791Scandinavian Airlines
Mon, Nov 2 - Mon, Nov 9
Turkish Airlines Logo
9:30 pm - 3:45 pm
DFW
-
OPO
36h 15m
1 stop
Turkish Airlines Logo
10:40 am - 7:35 pm
OPO
-
DFW
38h 55m
1 stop
$837Turkish Airlines
Wed, Oct 14 - Tue, Oct 20
United Airlines Logo
7:00 am - 9:30 am
DFW
-
OPO
20h 30m
2 stops
United Airlines Logo
6:00 am - 8:23 pm
OPO
-
DFW
20h 23m
2 stops
$840United Airlines
Sun, Nov 15 - Thu, Nov 19
American Airlines Logo
12:19 pm - 11:45 am
DFW
-
OPO
17h 26m
2 stops
American Airlines Logo
12:25 pm - 5:30 am
OPO
-
DFW
23h 05m
1 stop
$842American Airlines
Mon, Nov 2 - Mon, Nov 9
United Airlines Logo
11:25 am - 9:30 am
DFW
-
OPO
16h 05m
1 stop
United Airlines Logo
12:35 pm - 9:59 pm
OPO
-
DFW
15h 24m
1 stop
$849United Airlines
Sun, Nov 15 - Thu, Nov 19
American Airlines Logo
4:55 pm - 4:00 pm
DFW
-
OPO
17h 05m
1 stop
American Airlines Logo
8:20 am - 8:10 pm
OPO
-
DFW
17h 50m
1 stop
$864American Airlines
Wed, Oct 14 - Tue, Oct 20
KLM Logo
12:01 pm - 8:05 am
DAL
-
OPO
15h 04m
2 stops
KLM Logo
5:00 am - 5:50 pm
OPO
-
DAL
18h 50m
2 stops
$896KLM
Fri, Oct 30 - Thu, Nov 12
Multiple Airlines Logo
6:37 pm - 3:25 pm
DAL
-
OPO
15h 48m
2 stops
Multiple Airlines Logo
5:40 am - 5:50 pm
OPO
-
DAL
18h 10m
2 stops
$907Multiple Airlines
Mon, Oct 26 - Mon, Nov 16
KLM Logo
12:01 pm - 10:30 am
DAL
-
OPO
16h 29m
2 stops
KLM Logo
10:00 am - 10:32 pm
OPO
-
DAL
17h 32m
2 stops
$939KLM
Wed, Oct 21 - Sat, Oct 31
Multiple Airlines Logo
12:19 pm - 10:30 am
DAL
-
OPO
16h 11m
2 stops
Multiple Airlines Logo
5:55 am - 5:43 pm
OPO
-
DAL
17h 48m
2 stops
$952Multiple Airlines
Mon, Jul 20 - Wed, Aug 5

Delta flights from Dallas to Porto

Our best Delta deals on Dallas to Porto flight tickets
Delta
Oct 30
DFW8:45 amDallas/Fort Worth
18h 20m
1 stop
OPO8:05 amPorto
Nov 12
OPO5:00 amPorto
23h 03m
2 stops
DFW10:03 pmDallas/Fort Worth
$891
Delta
Aug 19
DFW3:45 pmDallas/Fort Worth
17h 40m
1 stop
OPO3:25 pmPorto
Aug 26
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
$928
Delta
Aug 19
DAL2:57 pmDallas Love Field
18h 28m
2 stops
OPO3:25 pmPorto
Aug 26
OPO5:00 amPorto
23h 31m
2 stops
DAL10:31 pmDallas Love Field
$936

KLM flights from Dallas to Porto

Our best KLM deals on Dallas to Porto flight tickets
KLM
Oct 30
DAL12:01 pmDallas Love Field
15h 04m
2 stops
OPO8:05 amPorto
Nov 12
OPO5:00 amPorto
18h 50m
2 stops
DAL5:50 pmDallas Love Field
$896
KLM
Sep 15
DFW3:45 pmDallas/Fort Worth
17h 40m
1 stop
OPO3:25 pmPorto
Sep 25
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
$932
KLM
Oct 21
DAL12:01 pmDallas Love Field
16h 29m
2 stops
OPO10:30 amPorto
Oct 31
OPO10:00 amPorto
17h 32m
2 stops
DAL10:32 pmDallas Love Field
$939

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 June 4, 2026.
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

Cheapest round-trip

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 11/2

1:25 pm-11:05 am

2 stops39h 40m

Porto

Mon 11/9

11:55 am-9:07 pm

2 stops39h 12m

$791

DallasPorto

DFW - OPO

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

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 11/15

7:00 am-9:30 am

2 stops20h 30m

Porto

Thu 11/19

6:00 am-8:23 pm

2 stops20h 23m

$840

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 11/2

12:19 pm-11:45 am

2 stops17h 26m

Porto

Mon 11/9

12:25 pm-5:30 am

1 stop23h 05m

$842
Quickest round-trip

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 11/15

11:25 am-9:30 am

1 stop16h 05m

Porto

Thu 11/19

12:35 pm-9:59 pm

1 stop15h 24m

$849

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 10/14

4:55 pm-4:00 pm

1 stop17h 05m

Porto

Tue 10/20

8:20 am-8:10 pm

1 stop17h 50m

$864

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Fri 10/30

12:01 pm-8:05 am

2 stops15h 04m

Porto

Thu 11/12

5:00 am-5:50 pm

2 stops18h 50m

$896

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 10/26

6:37 pm-3:25 pm

2 stops15h 48m

Porto

Mon 11/16

5:40 am-5:50 pm

2 stops18h 10m

$907

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Wed 10/21

12:01 pm-10:30 am

2 stops16h 29m

Porto

Sat 10/31

10:00 am-10:32 pm

2 stops17h 32m

$939

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 7/20

12:19 pm-10:30 am

2 stops16h 11m

Porto

Wed 8/5

5:55 am-5:43 pm

2 stops17h 48m

$952

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

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 $414. If you aren’t able to travel during the month of December, then book flights to Porto from Dallas during November instead. Flights to Porto in November, while not as cheap as those in December, still average around $531.

How far in advance should I book a flight from Dallas 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 $822 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 $648 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

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Dallas to Porto takes 11h 55m
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 55m.

  • 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
American AirlinesPriceFrom $584Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
IberiaPriceFrom $588Free CancellationRating
7.0
3,224 reviews
Search Iberia flights
Turkish AirlinesPriceFrom $653Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $699Free CancellationRating
7.4
9,774 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
Braga
Aveiro
Matosinhos
Lamego
Chaves
Esposende
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
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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