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$539+ Cheap flights from Porto (OPO) to Dallas/Fort Worth (DFW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — DFW
Nov 7 — Nov 141
Fri 11/7
Fri 11/14
1 adult, Economy
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Find flight deals from Porto to Dallas/Fort Worth

Cheapest flights from Porto to Dallas/Fort Worth
Explore the most affordable flight options available from Porto to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2025.

This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:00 amOPO - DFW
3 stops23h 59mMultiple Airlines
Tue 11/2512:20 pmDFW - OPO
2 stops20h 40mMultiple Airlines
Deal found 10/7$720
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2212:30 pmOPO - DFW
3 stops41h 29mMultiple Airlines
Sat 11/297:05 amDFW - OPO
3 stops29h 50mMultiple Airlines
Deal found 10/7$780
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:55 amOPO - DFW
2 stops20h 48mMultiple Airlines
Thu 11/206:36 amDFW - OPO
3 stops34h 24mMultiple Airlines
Deal found 10/7$844
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:00 amOPO - DFW
2 stops22h 44mUnited Airlines
Sat 11/299:58 amDFW - OPO
2 stops17h 32mUnited Airlines
Deal found 10/7$850
This KLM deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:30 amOPO - DFW
2 stops20h 37mKLM
Tue 11/251:33 pmDFW - OPO
2 stops14h 57mKLM
Deal found 10/7$857
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amOPO - DFW
2 stops35h 14mUnited Airlines
Mon 1/54:53 pmDFW - OPO
2 stops39h 52mUnited Airlines
Deal found 10/8$858

Cheap flight deals from Porto to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Dallas/Fort Worth (DFW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$720
(Mytrip)

One-way from

$539
(British Airways)

Popular in

July

Cheapest in

January

Average price

$812
Provider with most accurate pricing for Porto-Dallas/Fort Worth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-Dallas/Fort Worth flights.
Search Deals
From Porto to Dallas/Fort Worth
Search Deals
One-way flight from Porto to Dallas/Fort Worth
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Dallas/Fort Worth 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, Cheapflights users made 2,558,603 searches. Data last updated October 8, 2025.
Use the filters below to find and compare flights from Porto to Dallas/Fort Worth Airport that are best for you.

Fly from

Porto

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

PortoDallas

OPO - DFW

OPODFW

Porto

Sat 11/22

12:30 pm-11:59 pm

3 stops41h 29m

Dallas/Fort Worth

Sat 11/29

7:05 am-6:55 pm

3 stops29h 50m

$780

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 11/21

8:20 am-4:40 pm

1 stop14h 20m

Dallas/Fort Worth

Tue 11/25

8:40 pm-5:45 pm

1 stop15h 05m

$843

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 10/31

6:55 am-10:43 pm

2 stops20h 48m

Dallas/Fort Worth

Thu 11/20

6:36 am-11:00 pm

3 stops34h 24m

$844

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 12/24

4:40 pm-5:30 am

1 stop18h 50m

Dallas/Fort Worth

Mon 1/5

3:45 pm-4:40 pm

1 stop18h 55m

$844

PortoDallas

OPO - DFW

OPODFW

Porto

Sat 11/22

6:00 am-10:44 pm

2 stops22h 44m

Dallas/Fort Worth

Sat 11/29

9:58 am-9:30 am

2 stops17h 32m

$850

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 11/21

6:30 am-9:07 pm

2 stops20h 37m

Dallas/Fort Worth

Tue 11/25

1:33 pm-10:30 am

2 stops14h 57m

$857

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 2/19

6:00 am-9:45 pm

2 stops21h 45m

Dallas/Fort Worth

Mon 2/23

4:15 pm-10:25 pm

1 stop24h 10m

$858

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 12/24

6:00 am-8:18 pm

3 stops44h 18m

Dallas/Fort Worth

Mon 1/5

6:15 pm-2:45 pm

2 stops38h 30m

$858

PortoDallas

OPO - DFW

OPODFW

Porto

Sun 12/21

8:40 pm-4:30 pm

1 stop25h 50m

$539

PortoDallas

OPO - DFW

OPODFW

Porto

Sat 12/20

8:40 pm-4:30 pm

1 stop25h 50m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/5

Showing 1-10 of 14 results
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Compare providers for flights from Porto to Dallas/Fort Worth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Dallas/Fort Worth in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto-Dallas/Fort Worth Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-Dallas/Fort Worth Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-Dallas/Fort Worth Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Dallas/Fort Worth Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Dallas/Fort Worth Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from Porto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Porto to Dallas/Fort Worth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Porto to Dallas/Fort Worth?

    Most people fly from Porto (OPO) if they book a flight from Porto to Dallas/Fort Worth. On average, Porto has 0 outbound flights to Dallas/Fort Worth per day from 0 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • Can I find deals for flights from Porto to Dallas/Fort Worth that include hotel bookings?

    Yes. In addition to deals on Porto to Dallas/Fort Worth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Dallas/Fort Worth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Dallas/Fort Worth.

  • Can I find deals for business class flights from Porto to Dallas/Fort Worth?

    Yes. Cheapflights offers flight deals from Porto to Dallas/Fort Worth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Fort Worth
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Allen
Rockwall
Frisco
Mansfield
Grapevine
Denton
Garland
Cedar Hill
Plano
McKinney
Durant
Richardson
Weatherford
Sherman
Denison
Burleson
Granbury
Cleburne

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