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$392+ Cheap flights from Reagan-National (DCA) to Helsinki (HEL)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HEL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Reagan-National to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Helsinki (HEL). 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$471
(FlightHub)

One-way from

$392
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$534
Provider with most accurate pricing for Washington, D.C. Reagan-National-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Helsinki-Vantaa flights.
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From Washington, D.C. Reagan-National to Helsinki-Vantaa
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One-way flight from Washington, D.C. Reagan-National to Helsinki-Vantaa
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Highest demand for flights based on searches. 19% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Reagan-National to Helsinki

Cheapest flights from Reagan-National to Helsinki
Explore the most affordable flight options available from Reagan-National to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This FlightHub deal was found by Cheapflights users on 10/13. 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.
Sun 12/712:15 pmDCA - HEL
2 stops15h 25mScandinavian Airlines
Thu 12/1111:20 amHEL - DCA
2 stops19h 38mScandinavian Airlines
Deal found 10/13$471
This Air Canada deal was found by Cheapflights users on 10/16. 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.
Sun 11/911:05 amDCA - HEL
2 stops24h 45mAir Canada
Sun 11/236:55 amHEL - DCA
2 stops15h 36mAir Canada
Deal found 10/16$479
This FlightHub deal was found by Cheapflights users on 10/14. 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.
Wed 11/1211:05 amDCA - HEL
2 stops24h 45mAir Canada
Wed 11/2612:45 pmHEL - DCA
2 stops28h 41mAir Canada
Deal found 10/14$481
This Finnair deal was found by Cheapflights users on 10/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/305:45 pmDCA - HEL
1 stop13h 10mMultiple Airlines
Sun 12/712:30 pmHEL - DCA
1 stop17h 30mMultiple Airlines
Deal found 10/16$482
This KAYAK deal was found by Cheapflights users on 10/16. 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.
Thu 11/1311:10 amDCA - HEL
2 stops16h 30mScandinavian Airlines
Thu 11/276:15 amHEL - DCA
2 stops22h 00mScandinavian Airlines
Deal found 10/16$483
This Scandinavian Airlines deal was found by Cheapflights users on 10/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:15 pmDCA - HEL
2 stops15h 25mScandinavian Airlines
Sat 12/136:15 amHEL - DCA
2 stops23h 42mScandinavian Airlines
Deal found 10/14$484
This Air Canada deal was found by Cheapflights users on 10/16. 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.
Tue 11/119:40 amDCA - HEL
2 stops26h 10mAir Canada
Sun 11/236:55 amHEL - DCA
2 stops22h 01mAir Canada
Deal found 10/16$485
This Air Canada deal was found by Cheapflights users on 10/16. 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.
Wed 12/3111:05 amDCA - HEL
2 stops24h 45mAir Canada
Tue 1/137:05 amHEL - DCA
2 stops32h 50mAir Canada
Deal found 10/16$486
This Air Canada deal was found by Cheapflights users on 10/16. 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.
Tue 11/116:59 amDCA - HEL
2 stops28h 51mAir Canada
Wed 11/2612:45 pmHEL - DCA
2 stops33h 46mAir Canada
Deal found 10/16$487
This United Airlines deal was found by Cheapflights users on 10/15. 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.
Tue 11/46:07 pmDCA - HEL
2 stops17h 43mUnited Airlines
Mon 11/101:55 pmHEL - DCA
2 stops26h 00mUnited Airlines
Deal found 10/15$490
This FlightHub deal was found by Cheapflights users on 10/14. 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.
Mon 11/2411:05 amDCA - HEL
2 stops24h 45mMultiple Airlines
Tue 12/27:35 pmHEL - DCA
2 stops33h 21mMultiple Airlines
Deal found 10/14$491
This Orbitz deal was found by Cheapflights users on 10/15. 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.
Tue 11/48:40 pmDCA - HEL
2 stops39h 10mAir Canada
Mon 11/101:55 pmHEL - DCA
2 stops26h 00mAir Canada
Deal found 10/15$492

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Helsinki 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 October 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Helsinki that are best for you.

Fly from

Reagan-National

Fly to

Helsinki

Route

Depart

Return

Price

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 11/12

4:10 pm-6:50 pm

2 stops19h 40m

Helsinki-Vantaa

Thu 11/27

6:55 am-3:31 pm

2 stops15h 36m

$479

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 2/5

12:37 pm-1:55 pm

1 stop18h 18m

Helsinki-Vantaa

Tue 2/10

12:30 pm-11:00 pm

1 stop17h 30m

$482

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sat 3/21

6:59 pm-1:55 pm

1 stop12h 56m

Helsinki-Vantaa

Fri 4/3

4:50 pm-12:40 am

1 stop14h 50m

$482

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Mon 12/1

5:45 pm-1:55 pm

1 stop13h 10m

Helsinki-Vantaa

Sun 12/7

12:30 pm-9:00 pm

1 stop15h 30m

$482

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Mon 12/8

1:15 pm-8:20 pm

2 stops24h 05m

Helsinki-Vantaa

Sat 12/13

6:15 am-10:57 pm

2 stops23h 42m

$483

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 11/18

1:15 pm-10:40 am

2 stops14h 25m

Helsinki-Vantaa

Sun 11/23

6:15 am-10:56 pm

2 stops23h 41m

$483

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 11/19

11:10 am-10:40 am

2 stops16h 30m

Helsinki-Vantaa

Sun 11/23

6:15 am-10:56 pm

2 stops23h 41m

$483

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 11/11

9:40 am-6:50 pm

2 stops26h 10m

Helsinki-Vantaa

Mon 11/24

6:55 am-9:56 pm

2 stops22h 01m

$485

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 12/31

4:10 pm-6:50 pm

2 stops19h 40m

Helsinki-Vantaa

Mon 1/12

6:55 am-7:45 pm

2 stops19h 50m

$487

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 1/8

7:00 pm-6:50 pm

2 stops16h 50m

Helsinki-Vantaa

Mon 1/12

6:55 am-6:05 pm

2 stops18h 10m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 20 results
1
2

Compare providers for flights from Reagan-National to Helsinki

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 Helsinki in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice 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-Helsinki 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-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Helsinki 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-Helsinki 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-Helsinki 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 Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Helsinki

What is the cheapest time of day to fly from DCA to HEL?

Find hourly flight availability from Reagan-National to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

One of the essential ways to save on airfare from Washington, D.C. Reagan-National Airport to Helsinki is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 46% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Helsinki. 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 Helsinki from Washington, D.C. Reagan-National?

    For a flight from Washington, D.C. Reagan-National to Helsinki, you will be flying into Helsinki-Vantaa. Helsinki-Vantaa (HEL) is just 10.6 mi from the center of the city. Helsinki-Vantaa is the only Helsinki airport and it handles 0 inbound flights from Washington, D.C. Reagan-National per day. 0 airlines have flights to Helsinki-Vantaa from Washington, D.C. Reagan-National on a regular basis.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Helsinki?

    For as low as $482, Air Canada can have you in Helsinki from Washington, D.C. Reagan-National Airport in 18h 18m. There are 4302 mi between Washington, D.C. Reagan-National Airport and Helsinki. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Helsinki are Delta ($393), Icelandair ($754), and American Airlines ($757).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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