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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 10/5. 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.
Iberia Logo
8:20 am - 10:59 pm-
20h 39m
Iberia Logo
3:20 pm - 8:00 pm-
22h 40m
$873Iberia
Thu, Nov 19 - Sun, Nov 29
Iberia Logo
8:40 pm - 3:05 pm-
24h 25m
Iberia Logo
1:50 pm - 7:40 am-
11h 50m
$874Iberia
Thu, Nov 19 - Sun, Nov 29
Multiple Airlines Logo
12:25 pm - 8:10 pm-
13h 45m
Multiple Airlines Logo
9:45 pm - 4:00 pm-
12h 15m
$891Multiple Airlines
Thu, Sep 3 - Tue, Sep 8
Iberia Logo
8:20 am - 8:10 pm-
17h 50m
Iberia Logo
9:45 pm - 4:00 pm-
12h 15m
$892Iberia
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
12:25 pm - 8:10 pm-
13h 45m
Multiple Airlines Logo
9:45 pm - 4:00 pm-
12h 15m
$894Multiple Airlines
Thu, Sep 3 - Tue, Sep 8
Iberia Logo
8:20 am - 6:30 pm-
16h 10m
Iberia Logo
9:45 pm - 4:00 pm-
12h 15m
$898Iberia
Wed, Sep 2 - Wed, Sep 9
Air Canada Logo
12:15 pm - 9:34 pm-
15h 19m
Air Canada Logo
12:25 pm - 7:00 am-
12h 35m
$906Air Canada
Tue, Aug 25 - Mon, Aug 31
Iberia Logo
8:20 am - 6:30 pm-
16h 10m
Iberia Logo
2:50 pm - 11:45 am-
14h 55m
$909Iberia
Wed, Sep 2 - Wed, Sep 9
Air Canada Logo
12:15 pm - 9:34 pm-
15h 19m
Air Canada Logo
12:25 pm - 12:05 pm-
17h 40m
$912Air Canada
Tue, Aug 25 - Mon, Aug 31
Air Canada Logo
12:15 pm - 11:35 am-
29h 20m
Air Canada Logo
12:25 pm - 12:05 pm-
17h 40m
$918Air Canada
Tue, Aug 25 - Mon, Aug 31

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Air Canada flights from Porto to Dallas/Fort Worth Airport

Our best Air Canada deals on Porto to Dallas/Fort Worth Airport flight tickets
Air Canada
Aug 25
OPO12:15 pmPorto
15h 19m
1 stop
DFW9:34 pmDallas/Fort Worth
Aug 31
DFW12:25 pmDallas/Fort Worth
12h 35m
1 stop
OPO7:00 amPorto
$906
Air Canada
Aug 25
OPO12:15 pmPorto
15h 19m
1 stop
DFW9:34 pmDallas/Fort Worth
Aug 31
DFW12:25 pmDallas/Fort Worth
17h 40m
2 stops
OPO12:05 pmPorto
$912
Air Canada
Aug 25
OPO12:15 pmPorto
29h 20m
2 stops
DFW11:35 amDallas/Fort Worth
Aug 31
DFW12:25 pmDallas/Fort Worth
17h 40m
2 stops
OPO12:05 pmPorto
$918

Delta flights from Porto to Dallas/Fort Worth Airport

Our best Delta deals on Porto to Dallas/Fort Worth Airport flight tickets
Delta
Sep 3
OPO11:35 amPorto
18h 24m
2 stops
DFW11:59 pmDallas/Fort Worth
Sep 8
DFW3:00 pmDallas/Fort Worth
18h 25m
2 stops
OPO3:25 pmPorto
$931
Delta
Sep 3
OPO5:55 amPorto
13h 40m
1 stop
DFW1:35 pmDallas/Fort Worth
Sep 8
DFW3:00 pmDallas/Fort Worth
18h 25m
2 stops
OPO3:25 pmPorto
$932
Delta
Sep 3
OPO11:35 amPorto
18h 24m
2 stops
DFW11:59 pmDallas/Fort Worth
Sep 8
DFW3:00 pmDallas/Fort Worth
18h 25m
2 stops
OPO3:25 pmPorto
$933

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 August 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 11/19

8:20 am-10:59 pm

2 stops20h 39m

Dallas/Fort Worth

Sun 11/29

3:20 pm-8:00 pm

1 stop22h 40m

$873

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 11/19

8:40 pm-3:05 pm

1 stop24h 25m

Dallas/Fort Worth

Sun 11/29

1:50 pm-7:40 am

1 stop11h 50m

$874
Quickest round-trip

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 9/3

12:25 pm-8:10 pm

1 stop13h 45m

Dallas/Fort Worth

Tue 9/8

9:45 pm-4:00 pm

1 stop12h 15m

$891

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/2

8:20 am-8:10 pm

1 stop17h 50m

Dallas/Fort Worth

Wed 9/9

9:45 pm-4:00 pm

1 stop12h 15m

$892

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 9/3

12:25 pm-8:10 pm

1 stop13h 45m

Dallas/Fort Worth

Tue 9/8

9:45 pm-4:00 pm

1 stop12h 15m

$894

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/2

8:20 am-6:30 pm

2 stops16h 10m

Dallas/Fort Worth

Wed 9/9

9:45 pm-4:00 pm

1 stop12h 15m

$898

PortoDallas

OPO - DFW

OPODFW

Porto

Tue 8/25

12:15 pm-9:34 pm

1 stop15h 19m

Dallas/Fort Worth

Mon 8/31

12:25 pm-7:00 am

1 stop12h 35m

$906

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 9/2

8:20 am-6:30 pm

2 stops16h 10m

Dallas/Fort Worth

Wed 9/9

2:50 pm-11:45 am

2 stops14h 55m

$909

PortoDallas

OPO - DFW

OPODFW

Porto

Tue 8/25

12:15 pm-9:34 pm

1 stop15h 19m

Dallas/Fort Worth

Mon 8/31

12:25 pm-12:05 pm

2 stops17h 40m

$912

PortoDallas

OPO - DFW

OPODFW

Porto

Tue 8/25

12:15 pm-11:35 am

2 stops29h 20m

Dallas/Fort Worth

Mon 8/31

12:25 pm-12:05 pm

2 stops17h 40m

$918

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 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 23% 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

21h 28m

Direct flights

None
The fastest flight from Porto to Dallas/Fort Worth Airport takes 21h 28m
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 21h 28m.

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