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Cheap flights from Dallas to Porto from $295

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 1/20. 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.
SWISS Logo
1:18 pm - 11:15 am
DFW
-
OPO
39h 57m
2 stops
SWISS Logo
12:05 pm - 10:59 pm
OPO
-
DFW
40h 54m
2 stops
$545SWISS
Sun, Jan 25 - Mon, Feb 9
KLM Logo
3:40 pm - 3:25 pm
DFW
-
OPO
17h 45m
1 stop
KLM Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
$550KLM
Mon, Mar 30 - Thu, Apr 16
British Airways Logo
12:51 pm - 4:40 pm
DFW
-
OPO
21h 49m
2 stops
British Airways Logo
12:25 pm - 5:30 am
OPO
-
DFW
23h 05m
1 stop
$551British Airways
Sun, Jan 25 - Mon, Feb 9
KLM Logo
3:40 pm - 3:25 pm
DFW
-
OPO
17h 45m
1 stop
KLM Logo
5:00 am - 5:46 pm
OPO
-
DFW
18h 46m
2 stops
$553KLM
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
1:00 pm - 10:30 am
DFW
-
OPO
16h 30m
2 stops
Multiple Airlines Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
$555Multiple Airlines
Wed, Mar 18 - Thu, Apr 9
Multiple Airlines Logo
12:00 pm - 12:05 pm
DFW
-
OPO
18h 05m
2 stops
Multiple Airlines Logo
4:15 pm - 2:25 pm
OPO
-
DFW
28h 10m
1 stop
$556Multiple Airlines
Sun, Feb 8 - Mon, Feb 23
Delta Logo
1:00 pm - 3:25 pm
DFW
-
OPO
20h 25m
2 stops
Delta Logo
5:00 am - 11:10 pm
OPO
-
DFW
24h 10m
2 stops
$557Delta
Mon, Mar 30 - Thu, Apr 16
Air Canada Logo
12:20 pm - 1:15 pm
DFW
-
OPO
19h 55m
2 stops
Air Canada Logo
6:20 am - 9:24 pm
OPO
-
DFW
21h 04m
2 stops
$558Air Canada
Wed, Mar 18 - Thu, Apr 9
British Airways Logo
11:11 am - 10:50 am
DFW
-
OPO
17h 39m
2 stops
British Airways Logo
8:20 am - 8:30 pm
OPO
-
DFW
18h 10m
2 stops
$560British Airways
Sun, Apr 26 - Fri, May 8
British Airways Logo
11:11 am - 9:05 am
DFW
-
OPO
39h 54m
2 stops
British Airways Logo
12:25 pm - 8:30 pm
OPO
-
DFW
38h 05m
2 stops
$561British Airways
Tue, May 5 - Tue, May 12

Air France flights from Dallas to Porto

Our best Air France deals on Dallas to Porto flight tickets
Air France
Mar 23
DAL12:12 pmDallas Love Field
17h 18m
2 stops
OPO10:30 amPorto
Mar 31
OPO6:15 amPorto
17h 39m
2 stops
DAL5:54 pmDallas Love Field
$569
Air France
Mar 18
DAL12:12 pmDallas Love Field
17h 18m
2 stops
OPO10:30 amPorto
Apr 9
OPO5:55 amPorto
17h 59m
2 stops
DAL5:54 pmDallas Love Field
$751
Air France
Feb 28
DAL11:15 amDallas Love Field
17h 15m
2 stops
OPO10:30 amPorto
Mar 31
OPO6:15 amPorto
17h 39m
2 stops
DAL5:54 pmDallas Love Field
$886

KLM flights from Dallas to Porto

Our best KLM deals on Dallas to Porto flight tickets
KLM
Mar 30
DFW3:40 pmDallas/Fort Worth
17h 45m
1 stop
OPO3:25 pmPorto
Apr 16
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
$550
KLM
May 5
DFW3:40 pmDallas/Fort Worth
17h 45m
1 stop
OPO3:25 pmPorto
May 12
OPO5:00 amPorto
18h 46m
2 stops
DFW5:46 pmDallas/Fort Worth
$553
KLM
Feb 8
DFW6:35 pmDallas/Fort Worth
14h 50m
2 stops
OPO3:25 pmPorto
Feb 23
OPO4:10 pmPorto
30h 57m
2 stops
DFW5:07 pmDallas/Fort Worth
$568

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 January 12, 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

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/25

1:18 pm-11:15 am

2 stops39h 57m

Porto

Mon 2/9

12:05 pm-10:59 pm

2 stops40h 54m

$545

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/30

3:40 pm-3:25 pm

1 stop17h 45m

Porto

Thu 4/16

5:55 am-1:35 pm

1 stop13h 40m

$550

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/25

12:51 pm-4:40 pm

2 stops21h 49m

Porto

Mon 2/9

12:25 pm-5:30 am

1 stop23h 05m

$551

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 5/5

3:40 pm-3:25 pm

1 stop17h 45m

Porto

Tue 5/12

5:00 am-5:46 pm

2 stops18h 46m

$553

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 3/18

1:00 pm-10:30 am

2 stops16h 30m

Porto

Thu 4/9

5:55 am-1:35 pm

1 stop13h 40m

$555

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 2/8

12:00 pm-12:05 pm

2 stops18h 05m

Porto

Mon 2/23

4:15 pm-2:25 pm

1 stop28h 10m

$556

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/30

1:00 pm-3:25 pm

2 stops20h 25m

Porto

Thu 4/16

5:00 am-11:10 pm

2 stops24h 10m

$557

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 3/18

12:20 pm-1:15 pm

2 stops19h 55m

Porto

Thu 4/9

6:20 am-9:24 pm

2 stops21h 04m

$558

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 4/26

11:11 am-10:50 am

2 stops17h 39m

Porto

Fri 5/8

8:20 am-8:30 pm

2 stops18h 10m

$560

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 5/5

11:11 am-9:05 am

2 stops39h 54m

Porto

Tue 5/12

12:25 pm-8:30 pm

2 stops38h 05m

$561

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 December is, on average, the cheapest month to fly to Porto from Dallas, with most prices found around $618. If you aren’t able to travel during the month of December, then book flights to Porto from Dallas during August instead. Flights to Porto in August, while not as cheap as those in December, still average around $701.

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 $820 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 $703 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

14h 47m

Direct flights

None
The fastest flight from Dallas to Porto takes 14h 47m
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 14h 47m.

  • 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 $546Free CancellationRating
7.2
11,111 reviews
Search American Airlines flights
DeltaPriceFrom $569Free CancellationRating
7.9
8,033 reviews
Search Delta flights
IberiaPriceFrom $576Free CancellationRating
7.0
3,083 reviews
Search Iberia flights
United AirlinesPriceFrom $693Free CancellationRating
7.4
9,144 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
Matosinhos
Aveiro
Esposende
Lamego
Guimarães
Chaves
Espinho
Viseu
Pinhao
Arcos de Valdevez
Ponte de Lima
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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