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Cheap flights from Porto to Dallas from $406

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Porto to Dallas

Cheap round-trip flights

Logo
9:15 pm - 10:17 pmOPO-DFW
31h 02m2 stops
Logo
6:52 pm - 9:50 pmDFW-OPO
20h 58m2 stops
$777
Find Deal
sáb., sep. 6 - dom., sep. 14
Logo
6:05 am - 10:17 pmOPO-DFW
46h 12m3 stops
Logo
6:52 pm - 10:35 pmDFW-OPO
21h 43m2 stops
$796
Find Deal
sáb., sep. 6 - dom., sep. 14
American Airlines Logo
8:15 am - 8:10 pmOPO-DFW
17h 55m1 stop
American Airlines Logo
9:40 pm - 3:55 pmDFW-OPO
12h 15m1 stop
$801American Airlines
Find Deal
sáb., sep. 6 - dom., sep. 14
Iberia Logo
8:15 am - 8:10 pmOPO-DFW
17h 55m1 stop
Iberia Logo
9:33 am - 7:35 amDFW-OPO
16h 02m2 stops
$805Iberia
Find Deal
sáb., sep. 6 - dom., sep. 14
Iberia Logo
8:15 am - 8:10 pmOPO-DFW
17h 55m1 stop
Iberia Logo
3:22 pm - 11:40 amDFW-OPO
14h 18m2 stops
$819Iberia
Find Deal
sáb., sep. 6 - dom., sep. 14
British Airways Logo
9:10 pm - 4:05 pmOPO-DFW
24h 55m1 stop
British Airways Logo
5:50 pm - 7:50 pmDFW-OPO
20h 00m1 stop
$829British Airways
Find Deal
lun., sep. 1 - lun., sep. 8
Delta Logo
4:20 pm - 11:25 amOPO-DFW
25h 05m2 stops
Delta Logo
11:20 am - 3:30 pmDFW-OPO
22h 10m2 stops
$835Delta
Find Deal
sáb., sep. 6 - dom., sep. 14
United Airlines Logo
8:55 am - 10:56 pmOPO-DFW
20h 01m2 stops
United Airlines Logo
7:19 pm - 6:55 amDFW-OPO
29h 36m1 stop
$848United Airlines
Find Deal
sáb., sep. 6 - dom., sep. 14
British Airways Logo
9:10 pm - 3:50 pmOPO-DFW
24h 40m2 stops
British Airways Logo
10:59 pm - 7:50 pmDFW-OPO
14h 51m1 stop
$855British Airways
Find Deal
lun., sep. 1 - lun., sep. 8
Air Canada Logo
11:05 am - 9:43 pmOPO-DFW
40h 38m2 stops
Air Canada Logo
11:40 am - 9:35 amDFW-OPO
15h 55m2 stops
$1,068Air Canada
Find Deal
lun., sep. 1 - lun., sep. 8

British Airways flights from Porto to Dallas/Fort Worth Airport

Our best British Airways deals on Porto to Dallas/Fort Worth Airport flight tickets
British Airways
Sep 1
OPO9:10 pmPorto
24h 55m
1 stop
DFW4:05 pmDallas/Fort Worth
Sep 8
DFW5:50 pmDallas/Fort Worth
20h 00m
1 stop
OPO7:50 pmPorto
$829
Find similar
British Airways
Sep 1
OPO9:10 pmPorto
24h 40m
2 stops
DFW3:50 pmDallas/Fort Worth
Sep 8
DFW10:59 pmDallas/Fort Worth
14h 51m
1 stop
OPO7:50 pmPorto
$855
Find similar
British Airways
Aug 16
OPO8:15 amPorto
13h 55m
1 stop
DFW4:10 pmDallas/Fort Worth
Aug 19
DFW9:30 pmDallas/Fort Worth
16h 00m
1 stop
OPO7:30 pmPorto
$2,011
Find similar

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
Sep 1
OPO11:05 amPorto
40h 38m
2 stops
DFW9:43 pmDallas/Fort Worth
Sep 8
DFW11:40 amDallas/Fort Worth
15h 55m
2 stops
OPO9:35 amPorto
$1,068
Find similar
Air Canada
Aug 16
OPO6:00 amPorto
21h 40m
2 stops
DFW9:40 pmDallas/Fort Worth
Aug 19
DFW9:25 amDallas/Fort Worth
25h 35m
2 stops
OPO5:00 pmPorto
$3,863
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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 julio 31, 2025.
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

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

9:15 pm-10:17 pm

2 stops31h 02m

Dallas/Fort Worth

dom. 9/14

6:52 pm-9:50 pm

2 stops20h 58m

$777

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

6:05 am-10:17 pm

3 stops46h 12m

Dallas/Fort Worth

dom. 9/14

6:52 pm-10:35 pm

2 stops21h 43m

$796

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

dom. 9/14

9:40 pm-3:55 pm

1 stop12h 15m

$801

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

dom. 9/14

9:33 am-7:35 am

2 stops16h 02m

$805

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

dom. 9/14

3:22 pm-11:40 am

2 stops14h 18m

$819

PortoDallas

OPO - DFW

OPODFW

Porto

lun. 9/1

9:10 pm-4:05 pm

1 stop24h 55m

Dallas/Fort Worth

lun. 9/8

5:50 pm-7:50 pm

1 stop20h 00m

$829

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

4:20 pm-11:25 am

2 stops25h 05m

Dallas/Fort Worth

dom. 9/14

11:20 am-3:30 pm

2 stops22h 10m

$835

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

8:55 am-10:56 pm

2 stops20h 01m

Dallas/Fort Worth

dom. 9/14

7:19 pm-6:55 am

1 stop29h 36m

$848

PortoDallas

OPO - DFW

OPODFW

Porto

lun. 9/1

9:10 pm-3:50 pm

2 stops24h 40m

Dallas/Fort Worth

lun. 9/8

10:59 pm-7:50 pm

1 stop14h 51m

$855

PortoDallas

OPO - DFW

OPODFW

Porto

lun. 9/1

11:05 am-9:43 pm

2 stops40h 38m

Dallas/Fort Worth

lun. 9/8

11:40 am-9:35 am

2 stops15h 55m

$1,068

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 day to depart on your flight to Dallas/Fort Worth Airport?

On average, the least expensive day to fly to Dallas/Fort Worth Airport from Porto is on a Sunday. momondo users have found tickets for Sunday departures for as low as $845. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Porto to Dallas/Fort Worth Airport for around $962.

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

Best Price Found

$406

Fastest flight time

13h 50m

Direct flights

None
The best one-way flight to Dallas/Fort Worth Airport from Porto in the past 72 hours is $406. The best round-trip flight deal from Porto to Dallas/Fort Worth Airport found on momondo in the last 72 hours is $777.
The fastest flight from Porto to Dallas/Fort Worth Airport takes 13h 50m
There are no direct flights from Porto to Dallas/Fort Worth Airport. Popular non-direct route for this connection is Porto Airport - Dallas/Fort Worth Airport.
Search flight deals

  • 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 13h 55m.

  • 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
Frisco
Grapevine
Irving
Plano
Denton
Grand Prairie
Thackerville
Garland
McKinney
Durant
Rockwall
Richardson
Lewisville
Ardmore
Addison
Waxahachie
Allen
Granbury

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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