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$409+ Cheap flights from Reagan-National (DCA) 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OPO
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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Cheap flight deals from Reagan-National to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$482
(Gotogate)

One-way from

$409
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$1,030
Provider with most accurate pricing for Washington, D.C. Reagan-National-Porto flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Porto flights.
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From Washington, D.C. Reagan-National to Porto
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One-way flight from Washington, D.C. Reagan-National to Porto
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High demand for flights, 6% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Reagan-National to Porto

Cheapest flights from Reagan-National to Porto
Explore the most affordable flight options available from Reagan-National to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This Gotogate deal was found by Cheapflights users on 1/20. 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.
Tue 3/184:10 pmDCA - OPO
2 stops15h 55mAir Canada
Tue 3/256:00 amOPO - DCA
2 stops41h 57mAir Canada
Deal found 1/20$493
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 3/2311:10 amDCA - OPO
2 stops20h 25mUnited Airlines
Mon 3/3112:05 pmOPO - DCA
2 stops32h 19mUnited Airlines
Deal found 1/20$548
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 3/212:40 pmDCA - OPO
2 stops14h 00mAmerican Airlines
Sat 3/1512:25 pmOPO - DCA
2 stops14h 57mAmerican Airlines
Deal found 1/19$594
This Delta deal was found by Cheapflights users on 1/19. 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 3/1712:10 pmDCA - OPO
2 stops18h 40mDelta
Sun 3/3011:25 amOPO - DCA
2 stops16h 03mDelta
Deal found 1/19$604
This Mytrip deal was found by Cheapflights users on 1/20. 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.
Tue 3/186:59 amDCA - OPO
3 stops30h 46mMultiple Airlines
Tue 3/259:55 pmOPO - DCA
3 stops27h 05mMultiple Airlines
Deal found 1/20$605
This oojo deal was found by Cheapflights users on 1/20. 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.
Sat 10/2511:30 amDCA - OPO
2 stops24h 30mIberia
Tue 11/412:25 pmOPO - DCA
2 stops15h 08mIberia
Deal found 1/20$792
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1312:34 pmDCA - OPO
2 stops26h 16mBritish Airways
Mon 10/278:40 pmOPO - DCA
2 stops23h 19mBritish Airways
Deal found 1/20$869
This oojo deal was found by Cheapflights users on 1/20. 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.
Wed 10/811:30 amDCA - OPO
1 stop18h 25mTAP AIR PORTUGAL
Tue 10/2112:00 pmOPO - DCA
2 stops26h 43mTAP AIR PORTUGAL
Deal found 1/20$1,060
This KLM deal was found by Cheapflights users on 1/20. 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.
Wed 5/143:30 pmDCA - OPO
2 stops14h 10mKLM
Thu 5/2211:25 amOPO - DCA
2 stops16h 01mKLM
Deal found 1/20$1,091

Find flights from Reagan-National to Porto within your budget

Customize your flight search to find flights from Reagan-National 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 20, 2025.

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Depart

Return

Price

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 3/18

4:10 pm-12:05 pm

2 stops15h 55m

Porto

Tue 3/25

6:00 am-7:57 pm

2 stops41h 57m

$493

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 3/23

11:10 am-11:35 am

2 stops20h 25m

Porto

Mon 3/31

12:05 pm-3:24 pm

2 stops32h 19m

$548

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 3/2

12:40 pm-7:40 am

2 stops14h 00m

Porto

Sat 3/15

12:25 pm-11:22 pm

2 stops14h 57m

$594

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Mon 3/17

12:10 pm-10:50 am

2 stops18h 40m

Porto

Sun 3/30

11:25 am-10:28 pm

2 stops16h 03m

$604

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 3/18

11:10 am-5:45 pm

2 stops26h 35m

Porto

Tue 3/25

9:55 pm-9:00 pm

3 stops27h 05m

$605

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Fri 2/28

12:40 pm-7:40 am

2 stops14h 00m

Porto

Wed 3/5

12:25 pm-10:35 pm

2 stops15h 10m

$876

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sat 3/8

7:36 pm-3:00 pm

2 stops14h 24m

Porto

Thu 3/13

9:00 am-7:58 pm

2 stops14h 58m

$1,082

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 5/14

3:30 pm-10:40 am

2 stops14h 10m

Porto

Thu 5/22

11:25 am-10:26 pm

2 stops16h 01m

$1,091

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Mon 3/17

4:10 pm-11:50 am

2 stops15h 40m

$419

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 2/2

11:45 am-4:40 pm

2 stops23h 55m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 15 results
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Compare providers for flights from Reagan-National to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Porto in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Reagan-National 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 Reagan-National to Porto

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

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Porto?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Porto (average of $523). Flying from Washington, D.C. Reagan-National Airport to Porto in June is currently the most expensive (average of $1,083). 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 DCA to OPO?

Find hourly flight availability from Reagan-National 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 20, 2025.

One of the essential ways to save on airfare from Washington, D.C. Reagan-National Airport to Porto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 40% on airfare.

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 20, 2025.
To help decide which airline to fly from Washington, D.C. to Porto, see what other customers have to say about Air Canada and TAP AIR PORTUGAL. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

TAP AIR PORTUGAL
7.2
Good
1,867 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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 Reagan-National 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 Washington, D.C. Reagan-National?

    If you book a flight to Porto from Washington, D.C. Reagan-National, 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 Washington, D.C. Reagan-National to Porto per day from 3 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Porto round-trip?

    Our cheapest airline available from Washington, D.C. Reagan-National Airport to Porto is Air Canada. Our recent data shows that you can find tickets from as low as $482 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $538 and $554 round-trip. Users have found that Air Canada is 46% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Porto one-way?

    $448 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $451 and $455, respectively.

  • Can I find deals for flights from Reagan-National to Porto that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Porto.

  • Can I find deals for business class flights from Reagan-National to Porto?

    Yes. Cheapflights offers flight deals from Reagan-National 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 Washington, D.C. Reagan-National Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Porto (average of $523). Flying from Washington, D.C. Reagan-National Airport to Porto in June is currently the most expensive (average of $1,083). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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Top 3 airlines flying from Reagan-National to Porto

Discover the top 3 airlines that operate flights from Reagan-National 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$418Average$630FlexibilityNo cancel feeOn-time71%
DeltaCheapest$443Average$839FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$567Average$1,076FlexibilityNo cancel feeOn-time69%
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