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$269+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas to Porto are usually found in December or August, booked 45 days in advance, depart on a Tuesday or Sunday and return on a Thursday

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 December 23, 2025.

This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/226:15 pmDFW - OPO
2 stops38h 30mUnited Airlines
Mon 12/296:00 amOPO - DFW
2 stops34h 56mUnited Airlines
Deal found 12/21$1,055
This KLM deal was found by Cheapflights users on 12/21. 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.
Mon 12/224:05 pmDFW - OPO
1 stop12h 25mKLM
Mon 12/2911:25 amOPO - DFW
1 stop32h 35mKLM
Deal found 12/21$1,595
This KLM deal was found by Cheapflights users on 12/21. 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.
Mon 12/2212:09 pmDAL - OPO
2 stops16h 21mKLM
Mon 12/296:30 amOPO - DAL
2 stops22h 03mKLM
Deal found 12/21$2,084
This oojo deal was found by Cheapflights users on 12/21. 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 12/2512:35 pmDFW - OPO
2 stops22h 40mBritish Airways
Fri 1/28:40 pmOPO - DFW
2 stops30h 30mBritish Airways
Deal found 12/21$2,146
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:15 pmDFW - OPO
1 stop24h 10mLufthansa
Fri 1/21:45 pmOPO - DFW
2 stops38h 10mLufthansa
Deal found 12/21$2,245
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 12/2512:05 pmDFW - OPO
2 stops20h 55mUnited Airlines
Fri 1/29:00 amOPO - DFW
3 stops41h 18mUnited Airlines
Deal found 12/22$2,820
This KLM deal was found by Cheapflights users on 12/22. 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.
Thu 12/254:55 pmDAL - OPO
2 stops16h 30mKLM
Fri 1/26:30 amOPO - DAL
2 stops22h 03mKLM
Deal found 12/22$4,070

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 December 23, 2025.

Round-trip from

$581
(Mytrip)

One-way from

$269
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$618
From Dallas to Porto
Search Deals
One-way flight from Dallas to Porto
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 23, 2025.
Use the filters below to find and compare flights from Dallas to Porto that are best for you.

Fly from

Dallas

Fly to

Porto

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

4:05 pm-10:30 am

1 stop12h 25m

Porto

Thu 2/19

11:15 am-12:16 am

2 stops19h 01m

$587

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 2/4

12:00 pm-1:15 pm

2 stops19h 15m

Porto

Wed 2/11

6:00 am-9:32 pm

2 stops21h 32m

$588

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 1/21

12:20 pm-12:05 pm

2 stops17h 45m

Porto

Wed 1/28

12:10 pm-9:39 pm

2 stops39h 29m

$588

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 1/19

6:00 am-10:30 am

2 stops22h 30m

Porto

Wed 1/28

5:00 am-5:47 pm

2 stops18h 47m

$592

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Wed 1/21

10:25 am-10:30 am

2 stops18h 05m

Porto

Wed 1/28

5:00 am-9:41 am

2 stops34h 41m

$592

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 3/9

12:12 pm-10:30 am

2 stops17h 18m

Porto

Wed 3/18

5:00 am-5:54 pm

2 stops17h 54m

$592

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

1:32 pm-10:30 am

2 stops14h 58m

Porto

Thu 2/19

5:00 am-5:56 pm

2 stops18h 56m

$592

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 1/19

7:35 am-10:30 am

2 stops20h 55m

Porto

Wed 1/28

5:00 am-12:27 am

2 stops25h 27m

$592

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 2/4

5:30 pm-4:00 pm

1 stop16h 30m

Porto

Wed 2/11

8:40 pm-5:30 am

1 stop14h 50m

$593

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/9

5:20 pm-9:30 am

1 stop11h 10m

Porto

Wed 3/18

12:35 pm-9:42 pm

1 stop14h 07m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 32 results
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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 December 19, 2025.

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 time of day to fly from DFW to OPO?

Find hourly flight availability from Dallas 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 December 23, 2025.

One of the essential ways to save on airfare from Dallas to Porto is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 20% on airfare.

What is the cheapest day to fly from Dallas to Porto?

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

Travelers seeking maximum savings on their Dallas 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 December 23, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines 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.
Delta
7.9
Good
8,013 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,013 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,102 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,052 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,055 reviews
Delta
7.9
Good
8,013 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 4 different airlines.

  • How long is the flight from Dallas to Porto?

    There are many flights that can get you from Dallas to Porto in 12h 25m. Fly via KLM, Air Canada, 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 Delta and Iberia, starting at $569 and $576 round-trip. American Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

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
Vila Nova de Gaia

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Top 4 airlines flying from Dallas to Porto

Discover the top 4 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$546Average$868FlexibilityNo cancel feeOn-time71%
DeltaCheapest$569Average$1,096FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$576Average$889FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$693Average$1,109FlexibilityNo cancel feeOn-time69%

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