Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Dallas to Porto from $343

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 5/19. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Dallas to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
4:45 pm - 11:45 am
DFW
-
OPO
13h 00m
1 stop
Iberia Logo
8:20 am - 8:10 pm
OPO
-
DFW
17h 50m
1 stop
$585Iberia
Mon, Apr 13 - Tue, Apr 28
American Airlines Logo
7:00 am - 7:40 am
DFW
-
OPO
18h 40m
2 stops
American Airlines Logo
8:20 am - 8:10 pm
OPO
-
DFW
17h 50m
1 stop
$589American Airlines
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
4:20 pm - 3:25 pm
DFW
-
OPO
17h 05m
2 stops
Multiple Airlines Logo
5:00 am - 5:48 pm
OPO
-
DFW
18h 48m
2 stops
$592Multiple Airlines
Mon, Apr 13 - Tue, Apr 28
British Airways Logo
10:59 pm - 8:05 pm
DFW
-
OPO
15h 06m
1 stop
British Airways Logo
12:25 pm - 8:10 pm
OPO
-
DFW
13h 45m
1 stop
$603British Airways
Mon, Apr 13 - Tue, Apr 28
Iberia Logo
9:45 pm - 8:00 pm
DFW
-
OPO
16h 15m
1 stop
Iberia Logo
8:20 am - 8:10 pm
OPO
-
DFW
17h 50m
1 stop
$605Iberia
Mon, Apr 13 - Tue, Apr 28
British Airways Logo
6:40 pm - 8:05 pm
DFW
-
OPO
19h 25m
2 stops
British Airways Logo
12:25 pm - 8:10 pm
OPO
-
DFW
13h 45m
1 stop
$609British Airways
Mon, Apr 13 - Tue, Apr 28
United Airlines Logo
7:00 am - 11:15 am
DFW
-
OPO
22h 15m
2 stops
United Airlines Logo
6:00 am - 4:14 pm
OPO
-
DFW
40h 14m
2 stops
$612United Airlines
Mon, Apr 13 - Tue, Apr 28
Delta Logo
5:59 pm - 5:55 pm
DFW
-
OPO
17h 56m
2 stops
Delta Logo
5:00 am - 10:17 pm
OPO
-
DFW
23h 17m
2 stops
$617Delta
Mon, Apr 13 - Tue, Apr 28
American Airlines Logo
10:21 am - 7:40 am
DFW
-
OPO
15h 19m
2 stops
American Airlines Logo
12:25 pm - 8:10 pm
OPO
-
DFW
13h 45m
1 stop
$620American Airlines
Mon, Mar 30 - Thu, Apr 16
Delta Logo
6:00 am - 10:30 am
DAL
-
OPO
22h 30m
2 stops
Delta Logo
5:00 am - 8:35 pm
OPO
-
DAL
21h 35m
2 stops
$898Delta
Mon, Jun 8 - Thu, Jun 18

Scandinavian Airlines flights from Dallas to Porto

Our best Scandinavian Airlines deals on Dallas to Porto flight tickets
Scandinavian Airlines
Mar 23
DAL3:59 pmDallas Love Field
36h 36m
2 stops
OPO9:35 amPorto
Mar 30
OPO12:00 pmPorto
40h 45m
2 stops
DAL10:45 pmDallas Love Field
$723
Scandinavian Airlines
Mar 23
DAL3:59 pmDallas Love Field
36h 36m
2 stops
OPO9:35 amPorto
Mar 30
OPO12:00 pmPorto
40h 45m
2 stops
DAL10:45 pmDallas Love Field
$757

Iberia flights from Dallas to Porto

Our best Iberia deals on Dallas to Porto flight tickets
Iberia
Apr 13
DFW4:45 pmDallas/Fort Worth
13h 00m
1 stop
OPO11:45 amPorto
Apr 28
OPO8:20 amPorto
17h 50m
1 stop
DFW8:10 pmDallas/Fort Worth
$585
Iberia
Apr 13
DFW9:45 pmDallas/Fort Worth
16h 15m
1 stop
OPO8:00 pmPorto
Apr 28
OPO8:20 amPorto
17h 50m
1 stop
DFW8:10 pmDallas/Fort Worth
$605
Iberia
Apr 22
DFW4:45 pmDallas/Fort Worth
32h 55m
1 stop
OPO7:40 amPorto
Apr 28
OPO12:25 pmPorto
13h 45m
1 stop
DFW8:10 pmDallas/Fort Worth
$648

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 February 28, 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

Mon 4/13

4:45 pm-11:45 am

1 stop13h 00m

Porto

Tue 4/28

8:20 am-8:10 pm

1 stop17h 50m

$585

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/13

7:00 am-7:40 am

2 stops18h 40m

Porto

Tue 4/28

8:20 am-8:10 pm

1 stop17h 50m

$589

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/13

4:20 pm-3:25 pm

2 stops17h 05m

Porto

Tue 4/28

5:00 am-5:48 pm

2 stops18h 48m

$592

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/13

10:59 pm-8:05 pm

1 stop15h 06m

Porto

Tue 4/28

12:25 pm-8:10 pm

1 stop13h 45m

$603

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/13

9:45 pm-8:00 pm

1 stop16h 15m

Porto

Tue 4/28

8:20 am-8:10 pm

1 stop17h 50m

$605

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/13

6:40 pm-8:05 pm

2 stops19h 25m

Porto

Tue 4/28

12:25 pm-8:10 pm

1 stop13h 45m

$609

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/13

7:00 am-11:15 am

2 stops22h 15m

Porto

Tue 4/28

6:00 am-4:14 pm

2 stops40h 14m

$612

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/13

5:59 pm-5:55 pm

2 stops17h 56m

Porto

Tue 4/28

5:00 am-10:17 pm

2 stops23h 17m

$617

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/30

10:21 am-7:40 am

2 stops15h 19m

Porto

Thu 4/16

12:25 pm-8:10 pm

1 stop13h 45m

$620

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 6/8

6:00 am-10:30 am

2 stops22h 30m

Porto

Thu 6/18

5:00 am-8:35 pm

2 stops21h 35m

$898

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April instead. Flights to Porto in April, while not as cheap as those in December, still average around $642.

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 $802 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 $644 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 23m

Direct flights

None
The fastest flight from Dallas to Porto takes 14h 23m
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 23m.

  • 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
7.1
11,367 reviews
Search American Airlines flights
IberiaPriceFrom $565Free CancellationRating
7.0
3,127 reviews
Search Iberia flights
DeltaPriceFrom $569Free CancellationRating
7.9
8,246 reviews
Search Delta flights
United AirlinesPriceFrom $701Free CancellationRating
7.4
9,365 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
Matosinhos
Braga
Aveiro
Esposende
Lamego
Guimarães
Pinhao
Chaves
Espinho
Arcos de Valdevez
Viseu
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 3/30
Mon 4/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal