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$356+ Cheap flights from Dallas 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
May 18 — May 251
Mon 5/18
Mon 5/25
1 adult, Economy
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Cheap flight deals from Dallas to Porto

Cheapest flights from Dallas to Porto
Explore the most affordable flight options available from Dallas to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 18, 2026.

This oojo deal was found by Cheapflights users on 4/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:30 pm
DFW
-
OPO
1 stop20h 00m
Turkish Airlines
Wed 5/610:45 am
OPO
-
DFW
1 stop38h 50m
Turkish Airlines
Deal found 4/15$693
This Turkish Airlines deal was found by Cheapflights users on 4/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:30 pm
DFW
-
OPO
1 stop36h 20m
Turkish Airlines
Tue 5/1210:40 am
OPO
-
DFW
1 stop38h 55m
Turkish Airlines
Deal found 4/16$713
This oojo deal was found by Cheapflights users on 4/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:30 pm
DFW
-
OPO
1 stop30h 10m
Turkish Airlines
Tue 10/2010:40 am
OPO
-
DFW
1 stop38h 55m
Turkish Airlines
Deal found 4/18$719
This oojo deal was found by Cheapflights users on 4/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:30 pm
DFW
-
OPO
1 stop36h 10m
Turkish Airlines
Mon 5/184:50 pm
OPO
-
DFW
1 stop32h 45m
Turkish Airlines
Deal found 4/13$730
This Turkish Airlines deal was found by Cheapflights users on 4/13. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:30 pm
DFW
-
OPO
1 stop20h 00m
Multiple Airlines
Sat 5/94:40 pm
OPO
-
DFW
2 stops29h 27m
Multiple Airlines
Deal found 4/13$747
This Turkish Airlines deal was found by Cheapflights users on 4/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:30 pm
DFW
-
OPO
1 stop36h 10m
Turkish Airlines
Fri 9/1810:40 am
OPO
-
DFW
1 stop38h 55m
Turkish Airlines
Deal found 4/17$752
This oojo deal was found by Cheapflights users on 4/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:30 pm
DFW
-
OPO
1 stop36h 10m
Turkish Airlines
Mon 10/124:50 pm
OPO
-
DFW
1 stop32h 45m
Turkish Airlines
Deal found 4/13$756
This Air France deal was found by Cheapflights users on 4/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:53 pm
DAL
-
OPO
2 stops17h 32m
Air France
Wed 5/65:55 am
OPO
-
DAL
2 stops17h 55m
Air France
Deal found 4/15$919
This KLM deal was found by Cheapflights users on 4/17. 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.
Tue 4/283:53 pm
DAL
-
OPO
2 stops17h 32m
Multiple Airlines
Wed 5/65:55 am
OPO
-
DAL
2 stops17h 55m
Multiple Airlines
Deal found 4/17$920
This Air France deal was found by Cheapflights users on 4/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:01 pm
DAL
-
OPO
2 stops16h 29m
Multiple Airlines
Wed 8/199:25 am
OPO
-
DAL
2 stops17h 05m
Multiple Airlines
Deal found 4/15$944
This Air France deal was found by Cheapflights users on 4/13. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:53 pm
DAL
-
OPO
2 stops17h 32m
Multiple Airlines
Sat 5/911:45 am
OPO
-
DAL
2 stops18h 11m
Multiple Airlines
Deal found 4/13$962
This KLM deal was found by Cheapflights users on 4/16. 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.
Sun 4/266:40 pm
DAL
-
OPO
2 stops17h 30m
KLM
Tue 5/125:00 am
OPO
-
DAL
2 stops18h 58m
KLM
Deal found 4/16$970

Find flight deals from Dallas to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) 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 April 18, 2026.

Round-trip from

$693
(oojo)

One-way from

$356
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$750
From Dallas to Porto
Search Deals
One-way flight from Dallas to Porto
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas 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 April 18, 2026.
Use the filters below to find and compare flights from Dallas to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 4/28

9:30 pm-11:30 pm

1 stop20h 00m

Porto

Sat 5/9

4:40 pm-4:07 pm

2 stops29h 27m

$747

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 4/28

9:30 pm-11:30 pm

1 stop20h 00m

Porto

Wed 5/6

10:45 am-2:21 pm

2 stops33h 36m

$768

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sat 8/22

4:23 pm-3:50 pm

2 stops41h 27m

Porto

Sat 9/5

6:15 am-7:35 pm

1 stop19h 20m

$828

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 4/28

1:26 pm-3:25 pm

2 stops19h 59m

Porto

Wed 5/6

5:00 am-7:04 pm

2 stops20h 04m

$912

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Tue 4/28

3:53 pm-3:25 pm

2 stops17h 32m

Porto

Wed 5/6

5:55 am-5:50 pm

2 stops17h 55m

$920

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 8/10

9:00 am-7:00 am

2 stops16h 00m

Porto

Wed 8/19

9:00 am-10:26 pm

3 stops19h 26m

$965

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 5/5

4:20 pm-3:25 pm

2 stops17h 05m

Porto

Tue 5/12

5:00 am-11:11 pm

2 stops24h 11m

$972

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 5/13

8:10 am-10:40 am

2 stops20h 30m

Porto

Wed 5/20

11:45 am-12:12 am

2 stops18h 27m

$1,069

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Wed 10/14

12:01 pm-10:30 am

2 stops16h 29m

Porto

Tue 10/20

1:05 pm-10:32 pm

2 stops15h 27m

$1,084

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 6/22

9:30 pm-3:40 pm

1 stop36h 10m

Porto

Mon 9/28

6:30 am-10:26 pm

2 stops45h 56m

$1,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Dallas to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Dallas 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 to Porto

How far ahead should I book a flight from Dallas to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Dallas to Porto. Price data was last updated on April 10, 2026.

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to Porto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Dallas to Porto?

Currently, December is the cheapest month in which you can book a flight from Dallas to Porto (average of $414). Flying from Dallas to Porto in July is currently the most expensive (average of $819). 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.

How much does it cost to fly round-trip from Dallas to Porto?

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 April 18, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andIberia from Dallas to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,604 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,604 reviews
United Airlines
7.4
Good
9,604 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,620 reviews
United Airlines
7.4
Good
9,604 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Iberia
7.0
Good
3,182 reviews
United Airlines
7.4
Good
9,604 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Dallas 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?

    If you book a flight to Porto from Dallas, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Dallas to Porto per day from 3 different airlines.

  • How long is the flight from Dallas to Porto?

    There are many flights that can get you from Dallas to Porto in 19h 59m. Fly via Turkish Airlines or Delta to get the fastest option. Airlines will cover a distance of 4688 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Dallas to Porto round-trip?

    Our cheapest airline available from Dallas to Porto is American Airlines. Our recent data shows that you can find tickets from as low as $546 on this airline. Additional options worth looking into are Iberia and United Airlines, starting at $588 and $693 round-trip. American Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Dallas to Porto one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $393. However, be on the lookout for offers from American Airlines and Iberia, as they are both options that can get you from Dallas to Porto for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas 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 to Porto?

    Currently, December is the cheapest month in which you can book a flight from Dallas to Porto (average of $414). Flying from Dallas to Porto in July is currently the most expensive (average of $819). 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
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Dallas to Porto

Discover the top 3 airlines that operate flights from Dallas 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$546Average$815FlexibilityNo cancel feeOn-time71%
IberiaCheapest$588Average$960FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$693Average$1,079FlexibilityNo cancel feeOn-time69%

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