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$349+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HEL
Jan 1 — Jan 81
Thu 1/1
Thu 1/8
1 adult, Economy
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Cheap 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 December 2, 2025.

This Mytrip deal was found by Cheapflights users on 11/30. 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.
Wed 12/36:00 amDCA - HEL
2 stops29h 50mAir Canada
Sun 12/76:55 amHEL - DCA
2 stops22h 01mAir Canada
Deal found 11/30$479
This United Airlines deal was found by Cheapflights users on 11/29. 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 12/15:07 pmDCA - HEL
2 stops18h 43mUnited Airlines
Mon 12/156:55 amHEL - DCA
2 stops21h 00mUnited Airlines
Deal found 11/29$493
This Delta deal was found by Cheapflights users on 11/29. 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.
Tue 12/22:55 pmDCA - HEL
2 stops18h 30mDelta
Mon 12/157:00 amHEL - DCA
2 stops23h 58mDelta
Deal found 11/29$495
This KLM deal was found by Cheapflights users on 11/29. 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 12/12:59 pmDCA - HEL
2 stops15h 11mKLM
Tue 12/162:05 pmHEL - DCA
2 stops15h 52mKLM
Deal found 11/29$501
This Finnair deal was found by Cheapflights users on 11/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:07 pmDCA - HEL
1 stop14h 38mMultiple Airlines
Sun 1/254:50 pmHEL - DCA
1 stop12h 13mMultiple Airlines
Deal found 11/29$536
This United Airlines deal was found by Cheapflights users on 11/29. 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 12/15:07 pmDCA - HEL
2 stops18h 43mUnited Airlines
Sun 12/146:55 amHEL - DCA
2 stops21h 00mUnited Airlines
Deal found 11/29$580
This KAYAK deal was found by Cheapflights users on 12/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/811:13 amDCA - HEL
2 stops31h 22mScandinavian Airlines
Sat 12/136:15 amHEL - DCA
2 stops23h 42mScandinavian Airlines
Deal found 12/1$583
This oojo deal was found by Cheapflights users on 12/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:40 pmDCA - HEL
2 stops14h 15mIcelandair
Wed 1/141:55 pmHEL - DCA
2 stops14h 50mIcelandair
Deal found 12/2$602
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Mon 12/298:52 amDCA - HEL
1 stop18h 53mAmerican Airlines
Sun 1/254:50 pmHEL - DCA
1 stop12h 13mAmerican Airlines
Deal found 12/2$610
This Trip.com deal was found by Cheapflights users on 12/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:54 pmDCA - HEL
1 stop13h 01mFinnair
Wed 1/145:00 pmHEL - DCA
1 stop12h 03mFinnair
Deal found 12/2$621
This oojo deal was found by Cheapflights users on 11/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:46 pmDCA - HEL
2 stops32h 34mBritish Airways
Sun 1/254:50 pmHEL - DCA
1 stop31h 18mBritish Airways
Deal found 11/30$649
This Delta deal was found by Cheapflights users on 11/29. 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.
Tue 12/21:40 pmDCA - HEL
2 stops19h 45mDelta
Sun 12/146:30 amHEL - DCA
2 stops21h 21mDelta
Deal found 11/29$650

Find 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 December 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$423
(Cheapflightsfares)

One-way from

$349
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$829
Provider with most accurate pricing for Washington, D.C. Reagan-National-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Helsinki-Vantaa flights.
Search Deals
From Washington, D.C. Reagan-National to Helsinki-Vantaa
Search Deals
One-way flight from Washington, D.C. Reagan-National to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 2, 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

Fri 1/23

12:00 pm-10:40 am

2 stops15h 40m

Helsinki-Vantaa

Mon 1/26

4:05 pm-7:52 pm

2 stops34h 47m

$472

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Mon 3/23

2:54 pm-11:10 am

1 stop14h 16m

Helsinki-Vantaa

Sat 4/4

4:25 pm-10:59 pm

1 stop13h 34m

$483

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 1/25

12:00 pm-8:20 pm

2 stops25h 20m

Helsinki-Vantaa

Wed 1/28

11:20 am-10:48 pm

2 stops18h 28m

$484

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 1/20

11:10 am-10:40 am

2 stops16h 30m

Helsinki-Vantaa

Fri 1/23

11:20 am-7:52 pm

2 stops15h 32m

$484

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 1/20

11:10 am-3:25 pm

2 stops21h 15m

Helsinki-Vantaa

Tue 1/27

6:15 am-7:52 pm

2 stops20h 37m

$484

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Fri 1/23

11:10 am-3:25 pm

2 stops21h 15m

Helsinki-Vantaa

Thu 1/29

9:00 pm-10:11 pm

2 stops32h 11m

$484

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 1/22

12:00 pm-10:40 am

2 stops15h 40m

Helsinki-Vantaa

Thu 1/29

9:00 pm-7:52 pm

2 stops29h 52m

$484

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 1/20

10:25 am-3:25 pm

2 stops22h 00m

Helsinki-Vantaa

Sat 1/24

6:15 am-10:59 pm

2 stops23h 44m

$484

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 1/22

12:00 pm-3:25 pm

2 stops20h 25m

Helsinki-Vantaa

Tue 1/27

6:15 am-7:52 pm

2 stops20h 37m

$484

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 1/21

11:10 am-10:40 am

2 stops16h 30m

Helsinki-Vantaa

Mon 1/26

4:05 pm-10:11 pm

2 stops37h 06m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/30

Showing 1-10 of 24 results
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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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Helsinki flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 2, 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 $472, Scandinavian Airlines can have you in Helsinki from Washington, D.C. Reagan-National Airport in 15h 40m. There are 4302 mi between Washington, D.C. Reagan-National Airport and Helsinki.

  • 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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