HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$235+ Cheap flights from Dallas/Fort Worth (DFW) to Porto (OPO)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas/Fort Worth to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Dallas/Fort Worth to Porto are usually found in January or February, booked 50 days in advance, depart on a Tuesday or Sunday and return on a Thursday

Cheap flight deals from Dallas/Fort Worth to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to Porto (OPO). 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 September 11, 2025.

Round-trip from

$549
(United)

One-way from

$235
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$954
From Dallas/Fort Worth to Porto
Search Deals
One-way flight from Dallas/Fort Worth to Porto
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Dallas/Fort Worth to Porto

Cheapest flights from Dallas/Fort Worth to Porto
Explore the most affordable flight options available from Dallas/Fort Worth to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United deal was found by Cheapflights users on 9/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:05 pmDFW - OPO
1 stop14h 25mMultiple Airlines
Mon 11/244:15 pmOPO - DFW
1 stop28h 10mMultiple Airlines
Deal found 9/9$549
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 11/169:58 amDFW - OPO
2 stops17h 32mUnited Airlines
Mon 11/2412:30 pmOPO - DFW
1 stop31h 55mUnited Airlines
Deal found 9/9$554
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:20 pmDFW - OPO
2 stops18h 30mMultiple Airlines
Mon 11/244:15 pmOPO - DFW
2 stops34h 54mMultiple Airlines
Deal found 9/9$567
This Gotogate deal was found by Cheapflights users on 9/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:40 amDFW - OPO
2 stops24h 50mAir Canada
Wed 10/226:00 amOPO - DFW
2 stops21h 43mAir Canada
Deal found 9/9$571
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/142:58 pmDFW - OPO
1 stop12h 47mUnited Airlines
Tue 10/2112:05 pmOPO - DFW
2 stops27h 59mUnited Airlines
Deal found 9/9$595
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:25 amDFW - OPO
2 stops20h 05mAir Canada
Wed 10/226:00 amOPO - DFW
2 stops21h 43mAir Canada
Deal found 9/9$600
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:00 amDFW - OPO
1 stop20h 45mUnited Airlines
Wed 10/2212:05 pmOPO - DFW
1 stop32h 00mUnited Airlines
Deal found 9/9$601
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/142:58 pmDFW - OPO
1 stop12h 47mUnited Airlines
Wed 10/2212:05 pmOPO - DFW
1 stop32h 00mUnited Airlines
Deal found 9/9$604
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 11/237:25 amDFW - OPO
2 stops20h 05mUnited Airlines
Sat 12/612:30 pmOPO - DFW
1 stop31h 55mUnited Airlines
Deal found 9/11$609

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth to Porto 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 September 11, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Porto that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Porto

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 11/16

1:05 pm-9:30 am

1 stop14h 25m

Porto

Mon 11/24

4:15 pm-2:25 pm

1 stop28h 10m

$549

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 11/16

9:58 am-9:30 am

2 stops17h 32m

Porto

Mon 11/24

12:30 pm-2:25 pm

1 stop31h 55m

$554

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 11/17

12:20 pm-12:50 pm

2 stops18h 30m

Porto

Mon 11/24

4:15 pm-9:09 pm

2 stops34h 54m

$567

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 10/15

11:40 am-6:30 pm

2 stops24h 50m

Porto

Wed 10/22

6:00 am-9:43 pm

2 stops21h 43m

$571

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/14

2:58 pm-9:45 am

1 stop12h 47m

Porto

Tue 10/21

12:05 pm-10:04 am

2 stops27h 59m

$595

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Thu 11/6

7:00 am-9:30 am

2 stops20h 30m

Porto

Thu 11/27

6:00 am-7:30 pm

2 stops43h 30m

$600

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/14

2:58 pm-9:45 am

1 stop12h 47m

Porto

Wed 10/22

12:05 pm-2:05 pm

1 stop32h 00m

$604

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 11/23

7:00 am-9:30 am

2 stops20h 30m

Porto

Sat 12/6

12:30 pm-2:25 pm

1 stop31h 55m

$609

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sat 10/4

5:12 pm-9:15 am

2 stops58h 03m

$235

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Fri 10/3

9:57 am-9:05 am

2 stops41h 08m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Porto from Dallas/Fort Worth 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.

Cheapflights Insights

Everything you need to know about your flight from Dallas/Fort Worth Airport to Porto

How far ahead should I book a flight from Dallas/Fort Worth Airport to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Porto. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Dallas/Fort Worth Airport to Porto, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Porto?

Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Porto (average of $523). Flying from Dallas/Fort Worth Airport to Porto in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DFW to OPO?

Find hourly flight availability from Dallas/Fort Worth to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Dallas/Fort Worth Airport to Porto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 35% on airfare.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Porto?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Porto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Porto flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Dallas/Fort Worth Airport to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,929 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Porto. 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 into for flights to Porto from Dallas/Fort Worth?

    For a flight from Dallas/Fort Worth to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city. Porto is the only Porto airport and it handles 0 inbound flights from Dallas/Fort Worth per day. 5 airlines have flights to Porto from Dallas/Fort Worth on a regular basis.

  • How long is the flight from Dallas/Fort Worth Airport to Porto?

    There are many flights that can get you from Dallas/Fort Worth Airport to Porto in 17h 32m. Fly via United Airlines or Air Canada to get the fastest option. There are 4688 mi between Dallas/Fort Worth Airport and Porto. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Dallas/Fort Worth Airport to Porto round-trip?

    Our cheapest airline available from Dallas/Fort Worth Airport to Porto is Delta. Our recent data shows that you can find tickets from as low as $534 on this airline. Additional options worth looking into are American Airlines and Iberia, starting at $546 and $595 round-trip. These flights start at 32% lower than the current average price 3 months from now.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Porto (average of $523). Flying from Dallas/Fort Worth Airport to Porto in June is currently the most expensive (average of $1,027). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Dallas/Fort Worth to Porto

Discover the top 5 airlines that operate flights from Dallas/Fort Worth to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$534Average$1,096FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$546Average$896FlexibilityNo cancel feeOn-time71%
IberiaCheapest$595Average$839FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$631Average$738FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$693Average$1,114FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.