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Cheap flights from Porto to Dallas from $472

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 9/7. 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

Find the cheapest flights from Porto to Dallas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:55 pm - 2:15 pm
OPO
-
DFW
24h 20m
1 stop
Multiple Airlines Logo
10:59 am - 7:40 am
DFW
-
OPO
14h 41m
2 stops
$950Multiple Airlines
Thu, May 28 - Tue, Jun 2
United Airlines Logo
6:00 am - 8:25 pm
OPO
-
DFW
20h 25m
2 stops
United Airlines Logo
9:46 am - 9:45 am
DFW
-
OPO
17h 59m
2 stops
$958United Airlines
Thu, May 21 - Thu, May 28
United Airlines Logo
6:00 am - 8:25 pm
OPO
-
DFW
20h 25m
2 stops
United Airlines Logo
7:00 am - 6:55 am
DFW
-
OPO
17h 55m
2 stops
$960United Airlines
Thu, May 21 - Wed, May 27
Delta Logo
5:00 am - 5:37 pm
OPO
-
DFW
18h 37m
2 stops
Delta Logo
4:51 pm - 3:25 pm
DFW
-
OPO
16h 34m
2 stops
$964Delta
Mon, Jun 15 - Mon, Jun 22
Delta Logo
5:00 am - 8:02 pm
OPO
-
DFW
21h 02m
2 stops
Delta Logo
1:58 pm - 3:25 pm
DFW
-
OPO
19h 27m
2 stops
$966Delta
Thu, May 28 - Tue, Jun 2
KLM Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
KLM Logo
3:45 pm - 3:25 pm
DFW
-
OPO
17h 40m
1 stop
$967KLM
Thu, May 28 - Tue, Jun 2
KLM Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
KLM Logo
8:10 am - 10:30 am
DFW
-
OPO
20h 20m
1 stop
$968KLM
Thu, May 21 - Thu, May 28
Delta Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
Delta Logo
8:10 am - 10:30 am
DFW
-
OPO
20h 20m
1 stop
$969Delta
Thu, May 21 - Wed, May 27
KLM Logo
5:55 am - 1:35 pm
OPO
-
DFW
13h 40m
1 stop
KLM Logo
8:10 am - 10:30 am
DFW
-
OPO
20h 20m
1 stop
$970KLM
Thu, May 21 - Wed, May 27
American Airlines Logo
8:20 am - 8:10 pm
OPO
-
DFW
17h 50m
1 stop
American Airlines Logo
9:50 am - 7:40 am
DFW
-
OPO
15h 50m
2 stops
$975American Airlines
Tue, Sep 8 - Fri, Sep 18

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KLM flights from Porto to Dallas/Fort Worth Airport

Our best KLM deals on Porto to Dallas/Fort Worth Airport flight tickets
KLM
May 28
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
Jun 2
DFW3:45 pmDallas/Fort Worth
17h 40m
1 stop
OPO3:25 pmPorto
$967
KLM
May 21
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
May 28
DFW8:10 amDallas/Fort Worth
20h 20m
1 stop
OPO10:30 amPorto
$968
KLM
May 21
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
May 27
DFW8:10 amDallas/Fort Worth
20h 20m
1 stop
OPO10:30 amPorto
$970

Delta flights from Porto to Dallas/Fort Worth Airport

Our best Delta deals on Porto to Dallas/Fort Worth Airport flight tickets
Delta
Jun 15
OPO5:00 amPorto
18h 37m
2 stops
DFW5:37 pmDallas/Fort Worth
Jun 22
DFW4:51 pmDallas/Fort Worth
16h 34m
2 stops
OPO3:25 pmPorto
$964
Delta
May 28
OPO5:00 amPorto
21h 02m
2 stops
DFW8:02 pmDallas/Fort Worth
Jun 2
DFW1:58 pmDallas/Fort Worth
19h 27m
2 stops
OPO3:25 pmPorto
$966
Delta
May 21
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
May 27
DFW8:10 amDallas/Fort Worth
20h 20m
1 stop
OPO10:30 amPorto
$969

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 May 5, 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

Thu 5/28

7:55 pm-2:15 pm

1 stop24h 20m

Dallas/Fort Worth

Tue 6/2

10:59 am-7:40 am

2 stops14h 41m

$950

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

6:00 am-8:25 pm

2 stops20h 25m

Dallas/Fort Worth

Thu 5/28

9:46 am-9:45 am

2 stops17h 59m

$958

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

6:00 am-8:25 pm

2 stops20h 25m

Dallas/Fort Worth

Wed 5/27

7:00 am-6:55 am

2 stops17h 55m

$960

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 6/15

5:00 am-5:37 pm

2 stops18h 37m

Dallas/Fort Worth

Mon 6/22

4:51 pm-3:25 pm

2 stops16h 34m

$964

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/28

5:00 am-8:02 pm

2 stops21h 02m

Dallas/Fort Worth

Tue 6/2

1:58 pm-3:25 pm

2 stops19h 27m

$966
Quickest round-trip

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/28

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Tue 6/2

3:45 pm-3:25 pm

1 stop17h 40m

$967

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Thu 5/28

8:10 am-10:30 am

1 stop20h 20m

$968

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Wed 5/27

8:10 am-10:30 am

1 stop20h 20m

$969

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Wed 5/27

8:10 am-10:30 am

1 stop20h 20m

$970

PortoDallas

OPO - DFW

OPODFW

Porto

Tue 9/8

8:20 am-8:10 pm

1 stop17h 50m

Dallas/Fort Worth

Fri 9/18

9:50 am-7:40 am

2 stops15h 50m

$975

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 November is your next best option. Flight prices from Porto to Dallas/Fort Worth Airport during November average around $833.

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

You could potentially save up to 34% 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

17h 31m

Direct flights

None
The fastest flight from Porto to Dallas/Fort Worth Airport takes 17h 31m
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 17h 31m.

  • 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
Frisco
Irving
Grapevine
Denton
Thackerville
Grand Prairie
McKinney
Garland
Durant
Richardson
Lewisville
Rockwall
Addison
Allen
Mansfield
Burleson
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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