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$289+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$629
(Mytrip)

One-way from

$289
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,086
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. 20% potential increase in price ($213 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 July 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 julio 3, 2025.

This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/59:25 amDFW - OPO
2 stops16h 55mMultiple Airlines
lun. 10/138:10 pmOPO - DFW
3 stops31h 33mMultiple Airlines
Deal found 6/30$629
This United Airlines deal was found by Cheapflights users on 7/1. 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.
jue. 9/181:12 pmDFW - OPO
1 stop11h 53mUnited Airlines
dom. 9/2111:20 amOPO - DFW
2 stops37h 07mUnited Airlines
Deal found 7/1$632
This Iberia deal was found by Cheapflights users on 7/1. 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. 12/3010:10 amDFW - OPO
2 stops15h 30mIberia
mar. 1/68:40 pmOPO - DFW
2 stops27h 06mIberia
Deal found 7/1$639
This Air Canada deal was found by Cheapflights users on 7/2. 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. 9/238:15 pmDFW - OPO
2 stops31h 05mAir Canada
mar. 10/76:00 amOPO - DFW
2 stops21h 43mAir Canada
Deal found 7/2$644
This American Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 9/239:40 pmDFW - OPO
1 stop12h 15mAmerican Airlines
mar. 10/78:15 amOPO - DFW
2 stops17h 58mAmerican Airlines
Deal found 7/2$666
This Ovago deal was found by Cheapflights users on 7/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/45:20 pmDFW - OPO
1 stop12h 25mBritish Airways
sáb. 12/2012:25 pmOPO - DFW
1 stop34h 35mBritish Airways
Deal found 7/2$777
This Delta deal was found by Cheapflights users on 7/1. 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.
mié. 8/1311:13 amDFW - OPO
2 stops22h 17mDelta
jue. 8/219:20 amOPO - DFW
2 stops20h 24mDelta
Deal found 7/1$787
This FlightHub deal was found by Cheapflights users on 7/1. 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.
mar. 10/78:55 pmDFW - OPO
1 stop31h 10mTurkish Airlines
lun. 10/134:50 pmOPO - DFW
1 stop32h 20mTurkish Airlines
Deal found 7/1$790
This KLM deal was found by Cheapflights users on 7/1. 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.
mié. 8/136:28 pmDAL - OPO
2 stops15h 07mKLM
jue. 8/2111:25 amOPO - DAL
2 stops18h 24mKLM
Deal found 7/1$837
This Air France deal was found by Cheapflights users on 7/1. 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.
mar. 12/3012:01 pmDAL - OPO
2 stops16h 49mMultiple Airlines
mar. 1/65:00 amOPO - DAL
2 stops18h 55mMultiple Airlines
Deal found 7/1$1,126
This Air France deal was found by Cheapflights users on 7/2. 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.
vie. 8/14:00 pmDAL - OPO
2 stops17h 30mAir France
vie. 8/89:20 amOPO - DAL
2 stops20h 24mAir France
Deal found 7/2$1,402
This KAYAK deal was found by Cheapflights users on 7/2. 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.
jue. 10/912:01 pmDAL - OPO
2 stops23h 04mScandinavian Airlines
lun. 10/1312:00 pmOPO - DAL
2 stops41h 41mScandinavian Airlines
Deal found 7/2$1,560

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 julio 3, 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. 10/5

9:25 am-8:20 am

2 stops16h 55m

Porto

lun. 10/13

8:10 pm-9:43 pm

3 stops31h 33m

$629

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

jue. 9/18

1:12 pm-7:05 am

1 stop11h 53m

Porto

dom. 9/21

11:20 am-6:27 pm

2 stops37h 07m

$632

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 12/30

10:10 am-7:40 am

2 stops15h 30m

Porto

mar. 1/6

8:40 pm-5:46 pm

2 stops27h 06m

$639

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 9/23

8:15 pm-9:20 am

2 stops31h 05m

Porto

mar. 10/7

6:00 am-9:43 pm

2 stops21h 43m

$644

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 9/23

9:40 pm-3:55 pm

1 stop12h 15m

Porto

mar. 10/7

8:15 am-8:13 pm

2 stops17h 58m

$666

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

jue. 12/4

5:20 pm-11:45 am

1 stop12h 25m

Porto

sáb. 12/20

12:25 pm-5:00 pm

1 stop34h 35m

$777

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mié. 8/13

11:13 am-3:30 pm

2 stops22h 17m

Porto

jue. 8/21

9:20 am-11:44 pm

2 stops20h 24m

$787

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 10/7

8:55 pm-10:05 am

1 stop31h 10m

Porto

lun. 10/13

4:50 pm-7:10 pm

1 stop32h 20m

$790

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

mié. 8/13

6:28 pm-3:35 pm

2 stops15h 07m

Porto

jue. 8/21

11:25 am-11:49 pm

2 stops18h 24m

$837

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

mar. 12/30

12:01 pm-10:50 am

2 stops16h 49m

Porto

mar. 1/6

5:00 am-5:55 pm

2 stops18h 55m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 17 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 27, 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 $1,033). 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 julio 3, 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.

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 julio 3, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air France 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
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
3,895 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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 United Airlines. Our recent data shows that you can find tickets from as low as $632 on this airline. Additional options worth looking into are Iberia and Air Canada, starting at $639 and $644 round-trip. United Airlines 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 Delta, with whom users have recently found tickets for as low as $544. However, be on the lookout for offers from United Airlines and KLM, 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 $1,033). 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
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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$546Average$862FlexibilityNo cancel feeOn-time71%
DeltaCheapest$569Average$1,096FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$580Average$775FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$631Average$738FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$693Average$1,115FlexibilityNo cancel feeOn-time69%

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