HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$550+ Cheap flights from Dallas to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas to Porto with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 30, 2025.

Round-trip from

$550
(Gotogate)

Popular in

June

Cheapest in

January

Average price

$586
From Dallas to Porto
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 30, 2025.

This Gotogate deal was found by Cheapflights users on 1/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1711:35 amDFW - OPO
2 stops18h 40mAir Canada
Tue 4/16:00 amOPO - DFW
2 stops22h 14mAir Canada
Deal found 1/29$550
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Mon 3/175:20 pmDFW - OPO
1 stop17h 05mUnited Airlines
Tue 4/112:35 pmOPO - DFW
1 stop35h 42mUnited Airlines
Deal found 1/29$590
This Travelocity deal was found by Cheapflights users on 1/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2612:36 pmDFW - OPO
2 stops21h 29mBritish Airways
Sat 3/88:20 amOPO - DFW
1 stop17h 35mBritish Airways
Deal found 1/28$591
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/267:15 amDFW - OPO
2 stops23h 35mMultiple Airlines
Sat 3/88:40 amOPO - DFW
2 stops19h 42mMultiple Airlines
Deal found 1/28$597
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:50 pmDFW - OPO
2 stops16h 50mAmerican Airlines
Wed 4/3012:20 pmOPO - DFW
1 stop13h 50mAmerican Airlines
Deal found 1/29$644
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:00 pmDFW - OPO
1 stop36h 50mTurkish Airlines
Tue 10/74:50 pmOPO - DFW
1 stop26h 05mTurkish Airlines
Deal found 1/30$669
This Cheapflightsfares deal was found by Cheapflights users on 1/29. 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.
Fri 5/99:40 pmDFW - OPO
1 stop16h 15mIberia
Mon 5/198:15 amOPO - DFW
1 stop17h 55mIberia
Deal found 1/29$673
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/215:33 amDFW - OPO
2 stops22h 57mDelta
Fri 2/286:15 amOPO - DFW
2 stops23h 42mDelta
Deal found 1/29$695
This Aeromexico deal was found by Cheapflights users on 1/30. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/263:35 pmDFW - OPO
2 stops41h 55mAir France
Sat 5/34:20 pmOPO - DFW
1 stop27h 15mAir France
Deal found 1/30$796
This KLM deal was found by Cheapflights users on 1/29. 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.
Mon 3/176:41 pmDAL - OPO
2 stops15h 44mKLM
Tue 4/16:30 amOPO - DAL
2 stops21h 19mKLM
Deal found 1/29$806
This Lufthansa deal was found by Cheapflights users on 1/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/224:28 pmDFW - OPO
2 stops37h 07mLufthansa
Sat 3/14:10 pmOPO - DFW
1 stop28h 25mLufthansa
Deal found 1/29$828
This Aeromexico deal was found by Cheapflights users on 1/29. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/510:20 amDAL - OPO
2 stops23h 10mAir France
Thu 5/154:20 pmOPO - DAL
2 stops34h 16mAir France
Deal found 1/29$1,067

Find flights from Dallas to Porto within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/17

11:35 am-11:15 am

2 stops18h 40m

Porto

Tue 4/1

6:00 am-10:14 pm

2 stops22h 14m

$550

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/17

5:20 pm-3:25 pm

1 stop17h 05m

Porto

Tue 4/1

12:35 pm-6:17 pm

1 stop35h 42m

$590

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 2/26

12:36 pm-4:05 pm

2 stops21h 29m

Porto

Sat 3/8

8:20 am-7:55 pm

1 stop17h 35m

$591

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 2/26

7:15 am-12:50 pm

2 stops23h 35m

Porto

Sat 3/8

8:40 am-10:22 pm

2 stops19h 42m

$597

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 4/1

12:50 pm-11:40 am

2 stops16h 50m

Porto

Wed 4/30

12:20 pm-8:10 pm

1 stop13h 50m

$644

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

9:00 pm-3:50 pm

1 stop36h 50m

Porto

Thu 5/15

10:45 am-7:15 pm

1 stop38h 30m

$670

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Fri 5/9

9:40 pm-7:55 pm

1 stop16h 15m

Porto

Mon 5/19

8:15 am-8:10 pm

1 stop17h 55m

$673

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Fri 2/21

5:33 am-10:30 am

2 stops22h 57m

Porto

Fri 2/28

6:15 am-11:57 pm

2 stops23h 42m

$695

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sat 4/26

3:35 pm-3:30 pm

2 stops41h 55m

Porto

Sat 5/3

4:20 pm-1:35 pm

1 stop27h 15m

$796

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 3/17

6:41 pm-3:25 pm

2 stops15h 44m

Porto

Tue 4/1

6:30 am-9:49 pm

2 stops21h 19m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 15 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.

Travel insights for flights from Dallas to Porto

Get recent, data-driven insights about flights from Dallas to Porto including ideal travel times, pricing trends, and more.

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 January 24, 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 $1,091). 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 January 30, 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 January 30, 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
8,456 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
8,456 reviews
Delta
8.0
Very good
8,456 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,335 reviews
Delta
8.0
Very good
8,456 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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.

SWISS
7.5
Good
1,585 reviews
Delta
8.0
Very good
8,456 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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.

Air France
7.4
Good
1,476 reviews
Delta
8.0
Very good
8,456 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
8,913 reviews
Delta
8.0
Very good
8,456 reviews

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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 Air Canada. Our recent data shows that you can find tickets from as low as $550 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $590 and $591 round-trip. Air Canada 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.

  • 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 $1,091). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$534Average$828FlexibilityNo cancel feeOn-time71%
DeltaCheapest$550Average$880FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$586Average$841FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$618Average$719FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$660Average$1,190FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.