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$449+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas to Porto are usually found in January or February, booked 86 days in advance, depart on a Tuesday or Sunday and return on a Thursday

Cheap 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 17, 2025.

Round-trip from

$601
(Delta)

Popular in

July

Cheapest in

January

Average price

$680
From Dallas to Porto
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 17, 2025.

This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:40 pmDFW - OPO
1 stop12h 15mBritish Airways
Tue 10/712:20 pmOPO - DFW
1 stop13h 50mBritish Airways
Deal found 4/16$596
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/283:50 pmDFW - OPO
1 stop17h 40mDelta
Wed 5/144:20 pmOPO - DFW
2 stops25h 11mDelta
Deal found 4/16$601
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:50 pmDFW - OPO
2 stops31h 35mAir Canada
Tue 10/76:00 amOPO - DFW
2 stops21h 33mAir Canada
Deal found 4/16$611
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:40 pmDFW - OPO
1 stop12h 15mIberia
Tue 10/712:20 pmOPO - DFW
1 stop13h 50mIberia
Deal found 4/16$676
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/283:50 pmDFW - OPO
1 stop17h 55mLufthansa
Wed 5/144:35 pmOPO - DFW
1 stop27h 30mLufthansa
Deal found 4/16$689
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:55 pmDFW - OPO
2 stops31h 30mMultiple Airlines
Tue 10/76:00 amOPO - DFW
2 stops34h 52mMultiple Airlines
Deal found 4/17$699
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:00 amDFW - OPO
2 stops15h 35mAmerican Airlines
Tue 10/712:20 pmOPO - DFW
1 stop13h 50mAmerican Airlines
Deal found 4/17$709
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/53:50 pmDFW - OPO
1 stop17h 55mUnited Airlines
Thu 5/1512:35 pmOPO - DFW
2 stops26h 15mUnited Airlines
Deal found 4/16$827
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.
Sun 8/1012:01 pmDAL - OPO
2 stops16h 39mKLM
Tue 8/199:20 amOPO - DAL
2 stops17h 14mKLM
Deal found 4/17$841
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:55 pmDFW - OPO
1 stop31h 10mTurkish Airlines
Mon 10/134:50 pmOPO - DFW
1 stop32h 20mTurkish Airlines
Deal found 4/16$849
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:56 amDAL - OPO
2 stops21h 34mDelta
Sun 5/46:35 amOPO - DAL
2 stops21h 47mDelta
Deal found 4/16$882
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/184:00 pmDAL - OPO
2 stops17h 30mMultiple Airlines
Fri 5/166:40 amOPO - DAL
2 stops23h 13mMultiple Airlines
Deal found 4/17$1,041

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 17, 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

Mon 4/28

3:50 pm-3:30 pm

1 stop17h 40m

Porto

Wed 5/14

4:20 pm-11:31 am

2 stops25h 11m

$601

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/28

3:50 pm-3:45 pm

1 stop17h 55m

Porto

Wed 5/14

4:35 pm-2:05 pm

1 stop27h 30m

$689

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

9:25 am-9:20 pm

3 stops29h 55m

Porto

Tue 5/20

6:35 pm-9:44 pm

2 stops33h 09m

$703

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 7/7

10:59 pm-7:50 pm

1 stop14h 51m

Porto

Mon 8/4

9:10 pm-12:20 pm

1 stop21h 10m

$792

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

4:45 pm-7:55 pm

1 stop21h 10m

Porto

Tue 5/20

12:20 pm-8:10 pm

1 stop13h 50m

$802

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

9:25 am-11:25 am

2 stops20h 00m

Porto

Thu 5/15

6:00 am-9:44 pm

2 stops21h 44m

$803

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

12:33 pm-11:40 am

2 stops17h 07m

Porto

Tue 5/20

8:15 am-8:10 pm

1 stop17h 55m

$807

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

3:50 pm-3:45 pm

1 stop17h 55m

Porto

Thu 5/15

12:35 pm-8:50 am

2 stops26h 15m

$827

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Sun 8/10

12:01 pm-10:40 am

2 stops16h 39m

Porto

Tue 8/19

9:20 am-8:34 pm

2 stops17h 14m

$841

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Wed 4/30

11:56 am-3:30 pm

2 stops21h 34m

Porto

Sun 5/4

6:35 am-10:22 pm

2 stops21h 47m

$882

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 20 results
1
2

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 11, 2025.

Booking 86 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, January is the cheapest month in which you can book a flight from Dallas to Porto (average of $523). Flying from Dallas to Porto in June is currently the most expensive (average of $1,081). 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 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 April 17, 2025.

One of the essential ways to save on airfare from Dallas 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 to Porto?

Use this chart to determine the cheapest time to fly round-trip from Dallas to Porto. Price data was last updated on May 12, 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.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 17, 2025.
Get a feel of what it's like to fly with Delta, KLM and United Airlines from Dallas to Porto by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Brussels Airlines
7.4
Good
345 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,769 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 5 different airlines.

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

    Our cheapest airline available from Dallas to Porto is Delta. Our recent data shows that you can find tickets from as low as $601 on this airline. Additional options worth looking into are Lufthansa and British Airways, starting at $689 and $792 round-trip. Delta is 26% 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.

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

    Currently, January is the cheapest month in which you can book a flight from Dallas to Porto (average of $523). Flying from Dallas to Porto in June is currently the most expensive (average of $1,081). 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 Dallas?

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

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Top 5 airlines flying from Dallas to Porto

Discover the top 5 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$550Average$857FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$558Average$858FlexibilityNo cancel feeOn-time71%
IberiaCheapest$585Average$809FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$631Average$736FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$660Average$1,117FlexibilityNo cancel feeOn-time69%

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