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$292+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas 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 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 junio 12, 2025.

Round-trip from

$625
(Air Canada)

One-way from

$292
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,116
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. 19% potential increase in price ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/149:25 amDFW - OPO
2 stops20h 05mAir Canada
sáb. 10/256:00 amOPO - DFW
2 stops21h 38mAir Canada
Deal found 6/11$625
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/148:53 amDFW - OPO
2 stops16h 42mIberia
lun. 10/2712:25 pmOPO - DFW
1 stop23h 05mIberia
Deal found 6/11$628
This United Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 8/169:25 amDFW - OPO
1 stop18h 10mUnited Airlines
jue. 8/2812:10 pmOPO - DFW
1 stop15h 25mUnited Airlines
Deal found 6/11$639
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/143:50 pmDFW - OPO
1 stop17h 40mDelta
jue. 10/234:20 pmOPO - DFW
1 stop27h 15mDelta
Deal found 6/11$654
This American Airlines deal was found by Cheapflights users on 6/12. 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.
lun. 8/49:40 pmDFW - OPO
1 stop12h 15mAmerican Airlines
mié. 8/208:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Deal found 6/12$657
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/92:42 pmDFW - OPO
2 stops23h 53mBritish Airways
mié. 8/208:15 amOPO - DFW
1 stop17h 55mBritish Airways
Deal found 6/11$658
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/164:18 pmDFW - OPO
2 stops24h 27mLufthansa
vie. 8/296:00 amOPO - DFW
2 stops22h 15mLufthansa
Deal found 6/11$676
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1710:10 amDAL - OPO
2 stops23h 20mDelta
mar. 8/266:35 amOPO - DAL
2 stops23h 14mDelta
Deal found 6/11$687
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/49:25 amDFW - OPO
2 stops31h 00mMultiple Airlines
mié. 8/207:15 amOPO - DFW
2 stops17h 52mMultiple Airlines
Deal found 6/12$697
This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/167:00 amDFW - OPO
2 stops22h 30mSWISS
lun. 8/257:20 pmOPO - DFW
2 stops32h 55mSWISS
Deal found 6/11$727
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/18:55 pmDFW - OPO
1 stop36h 55mTurkish Airlines
vie. 10/104:50 pmOPO - DFW
1 stop25h 55mTurkish Airlines
Deal found 6/11$754
This Rumbo deal was found by Cheapflights users on 6/12. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/44:00 pmDAL - OPO
2 stops17h 30mMultiple Airlines
mié. 8/209:20 amOPO - DAL
2 stops17h 48mMultiple Airlines
Deal found 6/12$815

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 junio 12, 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

mar. 10/14

9:25 am-11:30 am

2 stops20h 05m

Porto

sáb. 10/25

6:00 am-9:38 pm

2 stops21h 38m

$625

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 10/14

8:53 am-7:35 am

2 stops16h 42m

Porto

lun. 10/27

12:25 pm-6:30 am

1 stop23h 05m

$628

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

sáb. 8/16

9:25 am-9:35 am

1 stop18h 10m

Porto

jue. 8/28

12:10 pm-9:35 pm

1 stop15h 25m

$639

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 10/14

3:50 pm-3:30 pm

1 stop17h 40m

Porto

jue. 10/23

4:20 pm-1:35 pm

1 stop27h 15m

$654

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 8/4

9:40 pm-3:55 pm

1 stop12h 15m

Porto

mié. 8/20

8:15 am-8:10 pm

1 stop17h 55m

$657

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

sáb. 8/9

2:42 pm-8:35 pm

2 stops23h 53m

Porto

mié. 8/20

8:15 am-8:10 pm

1 stop17h 55m

$658

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

sáb. 8/16

4:18 pm-10:45 pm

2 stops24h 27m

Porto

vie. 8/29

6:00 am-10:15 pm

2 stops22h 15m

$676

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

dom. 8/17

10:10 am-3:30 pm

2 stops23h 20m

Porto

mar. 8/26

6:35 am-11:49 pm

2 stops23h 14m

$687

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 8/4

9:25 am-10:25 pm

2 stops31h 00m

Porto

mié. 8/20

7:15 am-7:07 pm

2 stops17h 52m

$697

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

sáb. 8/16

7:00 am-11:30 am

2 stops22h 30m

Porto

lun. 8/25

7:20 pm-10:15 pm

2 stops32h 55m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 19 results
1
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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 June 9, 2025.

Booking 50 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 $1,047). 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 junio 12, 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 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.

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 junio 12, 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
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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!
Turkish Airlines
7.3
Good
3,848 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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 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 Air Canada. Our recent data shows that you can find tickets from as low as $625 on this airline. Additional options worth looking into are Iberia and United Airlines, starting at $628 and $639 round-trip. Air Canada is 21% 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 KLM, with whom users have recently found tickets for as low as $543. However, be on the lookout for offers from Air Canada and United Airlines, 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, 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 $1,047). 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
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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$546Average$862FlexibilityNo cancel feeOn-time71%
DeltaCheapest$550Average$857FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$594Average$843FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$631Average$738FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$660Average$1,115FlexibilityNo cancel feeOn-time69%

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