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Cheap flights from Porto to Dallas from $442

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Dallas departing on 9/29. 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

Find the cheapest flights from Porto to Dallas

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:20 am - 8:49 pm
OPO
-
DFW
18h 29m
2 stops
American Airlines Logo
8:33 am - 7:40 am
DFW
-
OPO
17h 07m
2 stops
$835American Airlines
Wed, Sep 30 - Sun, Oct 4
American Airlines Logo
8:20 am - 9:34 pm
OPO
-
DFW
19h 14m
2 stops
American Airlines Logo
9:47 am - 7:40 am
DFW
-
OPO
15h 53m
2 stops
$836American Airlines
Wed, Sep 30 - Sun, Oct 4
American Airlines Logo
12:25 pm - 8:10 pm
OPO
-
DFW
13h 45m
1 stop
American Airlines Logo
9:45 pm - 4:00 pm
DFW
-
OPO
12h 15m
1 stop
$919American Airlines
Wed, Sep 30 - Sun, Oct 4
American Airlines Logo
12:25 pm - 8:10 pm
OPO
-
DFW
13h 45m
1 stop
American Airlines Logo
9:45 pm - 4:00 pm
DFW
-
OPO
12h 15m
1 stop
$921American Airlines
Wed, Sep 30 - Sun, Oct 4
Turkish Airlines Logo
10:45 am - 12:45 pm
OPO
-
DFW
32h 00m
1 stop
Turkish Airlines Logo
9:30 pm - 3:40 pm
DFW
-
OPO
36h 10m
1 stop
$1,033Turkish Airlines
Sun, Jul 19 - Thu, Jul 23
American Airlines Logo
8:20 am - 8:10 pm
OPO
-
DFW
17h 50m
1 stop
American Airlines Logo
9:45 pm - 4:00 pm
DFW
-
OPO
12h 15m
1 stop
$1,084American Airlines
Fri, Jul 3 - Sat, Jul 11
American Airlines Logo
8:20 am - 8:10 pm
OPO
-
DFW
17h 50m
1 stop
American Airlines Logo
9:45 pm - 4:00 pm
DFW
-
OPO
12h 15m
1 stop
$1,086American Airlines
Fri, Jul 3 - Sat, Jul 11
Delta Logo
11:25 am - 12:19 am
OPO
-
DFW
18h 54m
2 stops
Delta Logo
3:10 pm - 3:25 pm
DFW
-
OPO
18h 15m
2 stops
$1,088Delta
Fri, Jul 3 - Sat, Jul 11
Delta Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
Delta Logo
3:10 pm - 3:25 pm
DFW
-
OPO
18h 15m
2 stops
$1,089Delta
Fri, Jul 3 - Sat, Jul 11
Delta Logo
11:25 am - 12:19 am
OPO
-
DFW
18h 54m
2 stops
Delta Logo
3:10 pm - 3:25 pm
DFW
-
OPO
18h 15m
2 stops
$1,090Delta
Fri, Jul 3 - Sat, Jul 11

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Delta flights from Porto to Dallas/Fort Worth Airport

Our best Delta deals on Porto to Dallas/Fort Worth Airport flight tickets
Delta
Jul 3
OPO11:25 amPorto
18h 54m
2 stops
DFW12:19 amDallas/Fort Worth
Jul 11
DFW3:10 pmDallas/Fort Worth
18h 15m
2 stops
OPO3:25 pmPorto
$1,088
Delta
Jul 3
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
Jul 11
DFW3:10 pmDallas/Fort Worth
18h 15m
2 stops
OPO3:25 pmPorto
$1,089
Delta
Jul 3
OPO11:25 amPorto
18h 54m
2 stops
DFW12:19 amDallas/Fort Worth
Jul 11
DFW3:10 pmDallas/Fort Worth
18h 15m
2 stops
OPO3:25 pmPorto
$1,090

American Airlines flights from Porto to Dallas/Fort Worth Airport

Our best American Airlines deals on Porto to Dallas/Fort Worth Airport flight tickets
American Airlines
Sep 30
OPO8:20 amPorto
18h 29m
2 stops
DFW8:49 pmDallas/Fort Worth
Oct 4
DFW8:33 amDallas/Fort Worth
17h 07m
2 stops
OPO7:40 amPorto
$835
American Airlines
Sep 30
OPO8:20 amPorto
19h 14m
2 stops
DFW9:34 pmDallas/Fort Worth
Oct 4
DFW9:47 amDallas/Fort Worth
15h 53m
2 stops
OPO7:40 amPorto
$836
American Airlines
Sep 30
OPO12:25 pmPorto
13h 45m
1 stop
DFW8:10 pmDallas/Fort Worth
Oct 4
DFW9:45 pmDallas/Fort Worth
12h 15m
1 stop
OPO4:00 pmPorto
$919

momondo Fare Finder

 
Customize your flight search to find flights from Porto to Dallas/Fort Worth Airport 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 20, 2026.
Use the filters below to find and compare flights from Porto to Dallas/Fort Worth Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/30

8:20 am-8:49 pm

2 stops18h 29m

Dallas/Fort Worth

Sun 10/4

8:33 am-7:40 am

2 stops17h 07m

$835

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/30

8:20 am-9:34 pm

2 stops19h 14m

Dallas/Fort Worth

Sun 10/4

9:47 am-7:40 am

2 stops15h 53m

$836
Quickest round-trip

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/30

12:25 pm-8:10 pm

1 stop13h 45m

Dallas/Fort Worth

Sun 10/4

9:45 pm-4:00 pm

1 stop12h 15m

$919

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/30

12:25 pm-8:10 pm

1 stop13h 45m

Dallas/Fort Worth

Sun 10/4

9:45 pm-4:00 pm

1 stop12h 15m

$921

PortoDallas

OPO - DFW

OPODFW

Porto

Sun 7/19

10:45 am-12:45 pm

1 stop32h 00m

Dallas/Fort Worth

Thu 7/23

9:30 pm-3:40 pm

1 stop36h 10m

$1,033

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 7/3

8:20 am-8:10 pm

1 stop17h 50m

Dallas/Fort Worth

Sat 7/11

9:45 pm-4:00 pm

1 stop12h 15m

$1,084

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 7/3

8:20 am-8:10 pm

1 stop17h 50m

Dallas/Fort Worth

Sat 7/11

9:45 pm-4:00 pm

1 stop12h 15m

$1,086

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 7/3

11:25 am-12:19 am

2 stops18h 54m

Dallas/Fort Worth

Sat 7/11

3:10 pm-3:25 pm

2 stops18h 15m

$1,088

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 7/3

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Sat 7/11

3:10 pm-3:25 pm

2 stops18h 15m

$1,089

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 7/3

11:25 am-12:19 am

2 stops18h 54m

Dallas/Fort Worth

Sat 7/11

3:10 pm-3:25 pm

2 stops18h 15m

$1,090

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 Dallas from

How to get the cheapest flight ticket from Porto to Dallas/Fort Worth Airport

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 Porto and Dallas/Fort Worth Airport?

What is the cheapest month to fly to Dallas/Fort Worth Airport?

The cheapest month to fly to Dallas/Fort Worth Airport from Porto is in September. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in September, then August is your next best option. Flight prices from Porto to Dallas/Fort Worth Airport during August average around $0.

Can stopping save me money on Porto to Dallas/Fort Worth Airport flights?

You could potentially save up to 13% on your flight if you consider stops on a Porto to Dallas/Fort Worth Airport flight.

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

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

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

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

Fastest flight time

42h 01m

Direct flights

None
The fastest flight from Porto to Dallas/Fort Worth Airport takes 42h 01m
There are no direct flights from Porto to Dallas/Fort Worth Airport. There are no popular flight routes from Porto to Dallas/Fort Worth Airport.
Search flight deals

Frequently asked questions about flying from Porto to Dallas/Fort Worth Airport

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

    Dallas/Fort Worth is 4693.4 mi away from Porto. In terms of flight time, this usually takes a little over 42h 01m.

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

    Prices for flights from Porto Airport to Dallas/Fort Worth Airport were last updated today.

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

  • What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

    The travel and health documents required for your trip to Dallas/Fort Worth 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 Dallas/Fort Worth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
Fort Worth
Arlington
Plano
Grapevine
Irving
Frisco
Denton
Thackerville
Richardson
McKinney
Grand Prairie
Lewisville
Garland
Addison
Durant
Burleson
Allen
Rockwall
Mansfield
Sherman

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Dallas?

It is quick and easy to find Porto to Dallas flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dallas that suits you.

Can I find flights from Porto to Dallas with flexible booking policies on momondo?

Flights from Porto to Dallas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Porto to Dallas?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dallas from Porto.

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

Price alerts on flights to Dallas from Porto are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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