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Cheap flights from Dallas/Fort Worth Airport to Porto from $235

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/Fort Worth Airport to Porto departing on 1/28. 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/Fort Worth Airport to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:30 pm - 4:40 pm
DFW
-
OPO
17h 10m1 stop
Multiple Airlines Logo
4:40 pm - 5:30 am
OPO
-
DFW
18h 50m1 stop
$557Multiple Airlines
Sun, Jan 11 - Mon, Jan 26
Multiple Airlines Logo
12:22 pm - 10:30 am
DFW
-
OPO
17h 08m2 stops
Multiple Airlines Logo
9:55 am - 11:13 pm
OPO
-
DFW
18h 18m2 stops
$560Multiple Airlines
Wed, Mar 11 - Tue, Mar 17
KLM Logo
1:30 pm - 10:30 am
DFW
-
OPO
15h 00m2 stops
KLM Logo
11:25 am - 1:50 pm
OPO
-
DFW
32h 25m1 stop
$562KLM
Sun, Jan 11 - Mon, Jan 26
United Airlines Logo
7:00 am - 9:30 am
DFW
-
OPO
21h 30m2 stops
United Airlines Logo
12:35 pm - 11:01 am
OPO
-
DFW
28h 26m2 stops
$563United Airlines
Wed, Mar 18 - Thu, Apr 9
American Airlines Logo
5:30 pm - 8:00 pm
DFW
-
OPO
20h 30m1 stop
American Airlines Logo
12:25 pm - 5:30 am
OPO
-
DFW
23h 05m1 stop
$564American Airlines
Sun, Jan 11 - Mon, Jan 26
Multiple Airlines Logo
5:30 pm - 8:00 pm
DFW
-
OPO
20h 30m1 stop
Multiple Airlines Logo
8:40 pm - 5:30 am
OPO
-
DFW
14h 50m1 stop
$565Multiple Airlines
Sun, Jan 18 - Mon, Feb 2
KLM Logo
1:00 pm - 10:30 am
DFW
-
OPO
16h 30m2 stops
KLM Logo
11:25 am - 3:00 pm
OPO
-
DFW
32h 35m1 stop
$569KLM
Tue, Mar 17 - Mon, Mar 23
British Airways Logo
12:51 pm - 4:40 pm
DFW
-
OPO
21h 49m2 stops
British Airways Logo
8:40 pm - 5:30 am
OPO
-
DFW
14h 50m1 stop
$572British Airways
Sun, Jan 18 - Mon, Feb 2
Multiple Airlines Logo
1:05 pm - 11:15 am
DFW
-
OPO
17h 10m2 stops
Multiple Airlines Logo
4:15 pm - 11:15 pm
OPO
-
DFW
36h 00m2 stops
$582Multiple Airlines
Tue, Mar 17 - Mon, Mar 23
Multiple Airlines Logo
12:20 pm - 9:25 pm
DFW
-
OPO
27h 05m3 stops
Multiple Airlines Logo
7:00 am - 9:39 pm
OPO
-
DFW
20h 39m2 stops
$591Multiple Airlines
Fri, Jan 16 - Fri, Jan 23

KLM flights from Dallas/Fort Worth Airport to Porto

Our best KLM deals on Dallas/Fort Worth Airport to Porto flight tickets
KLM
Jan 11
DFW1:30 pmDallas/Fort Worth
15h 00m
2 stops
OPO10:30 amPorto
Jan 26
OPO11:25 amPorto
32h 25m
1 stop
DFW1:50 pmDallas/Fort Worth
$562
Find similar
KLM
Mar 17
DFW1:00 pmDallas/Fort Worth
16h 30m
2 stops
OPO10:30 amPorto
Mar 23
OPO11:25 amPorto
32h 35m
1 stop
DFW3:00 pmDallas/Fort Worth
$569
Find similar
KLM
Mar 21
DFW5:05 pmDallas/Fort Worth
12h 25m
1 stop
OPO10:30 amPorto
Apr 6
OPO4:20 pmPorto
27h 15m
1 stop
DFW1:35 pmDallas/Fort Worth
$610
Find similar

United Airlines flights from Dallas/Fort Worth Airport to Porto

Our best United Airlines deals on Dallas/Fort Worth Airport to Porto flight tickets
United Airlines
Mar 18
DFW7:00 amDallas/Fort Worth
21h 30m
2 stops
OPO9:30 amPorto
Apr 9
OPO12:35 pmPorto
28h 26m
2 stops
DFW11:01 amDallas/Fort Worth
$563
Find similar
United Airlines
Mar 20
DFW5:20 pmDallas/Fort Worth
11h 10m
1 stop
OPO9:30 amPorto
Apr 8
OPO12:35 pmPorto
15h 45m
1 stop
DFW10:20 pmDallas/Fort Worth
$609
Find similar
United Airlines
Mar 20
DFW5:15 amDallas/Fort Worth
23h 15m
2 stops
OPO9:30 amPorto
Apr 8
OPO12:35 pmPorto
26h 22m
2 stops
DFW8:57 amDallas/Fort Worth
$613
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth Airport 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 December 4, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/11

5:30 pm-4:40 pm

1 stop17h 10m

Porto

Mon 1/26

4:40 pm-5:30 am

1 stop18h 50m

$557

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 3/11

12:22 pm-10:30 am

2 stops17h 08m

Porto

Tue 3/17

9:55 am-11:13 pm

2 stops18h 18m

$560

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/11

1:30 pm-10:30 am

2 stops15h 00m

Porto

Mon 1/26

11:25 am-1:50 pm

1 stop32h 25m

$562

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 3/18

7:00 am-9:30 am

2 stops21h 30m

Porto

Thu 4/9

12:35 pm-11:01 am

2 stops28h 26m

$563

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/11

5:30 pm-8:00 pm

1 stop20h 30m

Porto

Mon 1/26

12:25 pm-5:30 am

1 stop23h 05m

$564

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/18

5:30 pm-8:00 pm

1 stop20h 30m

Porto

Mon 2/2

8:40 pm-5:30 am

1 stop14h 50m

$565

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 3/17

1:00 pm-10:30 am

2 stops16h 30m

Porto

Mon 3/23

11:25 am-3:00 pm

1 stop32h 35m

$569

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/18

12:51 pm-4:40 pm

2 stops21h 49m

Porto

Mon 2/2

8:40 pm-5:30 am

1 stop14h 50m

$572

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 3/17

1:05 pm-11:15 am

2 stops17h 10m

Porto

Mon 3/23

4:15 pm-11:15 pm

2 stops36h 00m

$582

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Fri 1/16

12:20 pm-9:25 pm

3 stops27h 05m

Porto

Fri 1/23

7:00 am-9:39 pm

2 stops20h 39m

$591

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/Fort Worth Airport 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/Fort Worth Airport, 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/Fort Worth Airport 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/Fort Worth Airport 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/Fort Worth Airport 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/Fort Worth Airport 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/Fort Worth Airport for as low as $551 on momondo.

When to book flights from Dallas/Fort Worth Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Dallas/Fort Worth Airport to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dallas/Fort Worth Airport to Porto (DFW to OPO) flight deals and tips

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

Fastest flight time

16h 15m

Direct flights

None
The fastest flight from Dallas/Fort Worth Airport to Porto takes 16h 15m
There are no direct flights from Dallas/Fort Worth Airport to Porto. There are no popular flight routes from Dallas/Fort Worth Airport to Porto.
Search flight deals

  • How far is Dallas/Fort Worth to Porto by plane?

    There are 4693.4 mi between Dallas/Fort Worth and Porto. Typically, this will take 11h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Dallas/Fort Worth Airport to Porto Airport?

    Prices for flights from Dallas/Fort Worth Airport to Porto Airport are updated daily.

  • How many operators does momondo search for flights from Dallas/Fort Worth Airport to Porto Airport?

  • How old do you have to be to fly from Dallas/Fort Worth Airport to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dallas/Fort Worth Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Dallas/Fort Worth Airport to Porto?

Best airlines flying from Dallas/Fort Worth Airport to Porto

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to Porto with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $546Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
DeltaPriceFrom $569Free CancellationRating
7.9
8,009 reviews
Search Delta flights
IberiaPriceFrom $576Free CancellationRating
7.0
3,039 reviews
Search Iberia flights
United AirlinesPriceFrom $693Free CancellationRating
7.4
9,066 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
Guimarães
Lamego
Esposende
Chaves
Viseu
Espinho
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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dallas to Porto for you.

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 provides multiple filters to help you find the best flight to Porto from Dallas. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Dallas to Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto from Dallas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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