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$367+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Round-trip from

$580
(Cheapflightsfares)

One-way from

$367
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$868
From Dallas to Porto
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One-way flight from Dallas to Porto
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Highest demand for flights based on searches. 21% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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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 mayo 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
dom. 11/231:55 pmDFW - OPO
1 stop11h 45mIberia
mié. 12/34:40 pmOPO - DFW
1 stop18h 50mIberia
Deal found 4/29$530
This American Airlines deal was found by Cheapflights users on 4/30. 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.
dom. 7/138:59 amDFW - OPO
2 stops16h 36mAmerican Airlines
mar. 8/268:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Deal found 4/30$609
This Gurufare deal was found by Cheapflights users on 4/30. 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.
mié. 10/296:20 pmDFW - OPO
1 stop20h 40mMultiple Airlines
mar. 11/48:40 pmOPO - DFW
1 stop26h 20mMultiple Airlines
Deal found 4/30$611
This Delta deal was found by Cheapflights users on 4/30. 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.
dom. 7/1311:22 amDFW - OPO
2 stops22h 08mDelta
mar. 8/266:35 amOPO - DFW
2 stops21h 46mDelta
Deal found 4/30$637
This Air Canada deal was found by Cheapflights users on 4/30. 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.
mar. 9/237:55 pmDFW - OPO
2 stops31h 25mAir Canada
mar. 10/76:00 amOPO - DFW
2 stops21h 33mAir Canada
Deal found 4/30$642
This United Airlines deal was found by Cheapflights users on 4/29. 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.
dom. 11/2312:20 pmDFW - OPO
2 stops17h 20mUnited Airlines
mié. 12/36:00 amOPO - DFW
2 stops40h 42mUnited Airlines
Deal found 4/29$646
This KLM deal was found by Cheapflights users on 4/29. 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.
mar. 8/512:01 pmDAL - OPO
2 stops16h 39mKLM
jue. 8/2111:25 amOPO - DAL
2 stops18h 13mKLM
Deal found 4/29$814
This Expedia deal was found by Cheapflights users on 4/30. 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.
vie. 7/259:40 pmDFW - OPO
1 stop12h 15mBritish Airways
sáb. 8/910:40 amOPO - DFW
2 stops30h 34mBritish Airways
Deal found 4/30$964
This Gurufare deal was found by Cheapflights users on 4/30. 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.
lun. 5/53:50 pmDFW - OPO
1 stop17h 55mLufthansa
jue. 5/154:35 pmOPO - DFW
1 stop27h 30mLufthansa
Deal found 4/30$993
This Air France deal was found by Cheapflights users on 4/29. 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.
dom. 11/2312:01 pmDAL - OPO
2 stops16h 49mMultiple Airlines
mié. 12/311:15 amOPO - DAL
2 stops18h 26mMultiple Airlines
Deal found 4/29$1,129
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/93:38 pmDFW - OPO
2 stops26h 02mTAP AIR PORTUGAL
vie. 6/136:05 pmOPO - DFW
1 stop35h 54mTAP AIR PORTUGAL
Deal found 4/30$1,454
This oojo deal was found by Cheapflights users on 4/30. 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.
lun. 6/98:55 pmDFW - OPO
1 stop30h 55mTurkish Airlines
vie. 6/134:50 pmOPO - DFW
1 stop25h 55mTurkish Airlines
Deal found 4/30$1,615

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 mayo 1, 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

dom. 7/13

9:40 pm-7:55 pm

1 stop16h 15m

Porto

mar. 8/26

8:15 am-8:10 pm

1 stop17h 55m

$580

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

dom. 7/13

8:59 am-7:35 am

2 stops16h 36m

Porto

mar. 8/26

8:15 am-8:10 pm

1 stop17h 55m

$609

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

dom. 7/13

11:22 am-3:30 pm

2 stops22h 08m

Porto

mar. 8/26

6:35 am-10:21 pm

2 stops21h 46m

$637

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

vie. 5/30

5:35 pm-9:50 pm

2 stops22h 15m

Porto

vie. 6/6

6:00 am-8:40 am

2 stops32h 40m

$811

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

mar. 8/5

12:01 pm-10:40 am

2 stops16h 39m

Porto

jue. 8/21

11:25 am-11:38 pm

2 stops18h 13m

$814

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

jue. 5/15

9:25 am-6:30 pm

2 stops27h 05m

Porto

mié. 5/21

6:00 am-9:44 pm

2 stops21h 44m

$859

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

vie. 7/25

9:40 pm-3:55 pm

1 stop12h 15m

Porto

sáb. 8/9

10:40 am-11:14 am

2 stops30h 34m

$964

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 5/5

1:51 pm-9:45 am

1 stop13h 54m

Porto

jue. 5/15

12:35 pm-8:50 am

2 stops26h 15m

$968

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 5/5

3:50 pm-3:45 pm

1 stop17h 55m

Porto

jue. 5/15

4:35 pm-2:05 pm

1 stop27h 30m

$993

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 6/9

3:38 pm-11:40 pm

2 stops26h 02m

Porto

vie. 6/13

6:05 pm-11:59 pm

1 stop35h 54m

$1,454

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 13 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 April 25, 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 $1,071). 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 mayo 1, 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 mayo 1, 2025.
Get a feel of what it's like to fly with Delta, KLM and SWISS 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
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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
3,790 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

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 Iberia. Our recent data shows that you can find tickets from as low as $580 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $609 and $637 round-trip. Iberia is 28% 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 $1,071). 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?

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Aveiro
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Matosinhos
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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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$550Average$899FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$558Average$864FlexibilityNo cancel feeOn-time71%
IberiaCheapest$580Average$789FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$631Average$736FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$660Average$1,118FlexibilityNo cancel feeOn-time69%

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