Helsinki

$427+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HEL
abr 2 — abr 91
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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 março 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$510
(Finnair)

One-way from

$427
(Delta)

Popular in

June

Cheapest in

November

Average price

$540
Provider with most accurate pricing for Washington, D.C. Reagan-National-Helsinki-Vantaa flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Helsinki-Vantaa flights.
From Washington, D.C. Reagan-National to Helsinki-Vantaa
One-way flight from Washington, D.C. Reagan-National to Helsinki-Vantaa
Highest demand for flights based on searches. 30% potential increase in price ($247 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in March 2025

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 março 28, 2025.

This Finnair deal was found by Cheapflights users on 3/27. 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.
qui 4/175:59 pmDCA - HEL
1 stop13h 16mMultiple Airlines
qui 4/2412:35 pmHEL - DCA
1 stop15h 13mMultiple Airlines
Deal found 3/27$510
This American Airlines deal was found by Cheapflights users on 3/27. 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.
qua 11/2611:54 amDCA - HEL
1 stop15h 51mAmerican Airlines
sex 12/512:30 pmHEL - DCA
1 stop15h 30mAmerican Airlines
Deal found 3/27$520
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/124:00 pmDCA - HEL
2 stops19h 40mAir Canada
ter 11/187:00 amHEL - DCA
2 stops18h 07mAir Canada
Deal found 3/26$543
This Delta deal was found by Cheapflights users on 3/26. 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.
qua 4/234:31 pmDCA - HEL
2 stops17h 09mDelta
qua 4/307:15 amHEL - DCA
2 stops17h 55mDelta
Deal found 3/26$544
This United Airlines deal was found by Cheapflights users on 3/27. 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.
qua 12/311:00 amDCA - HEL
2 stops22h 50mUnited Airlines
qua 12/107:00 amHEL - DCA
2 stops22h 37mUnited Airlines
Deal found 3/27$545
This oojo deal was found by Cheapflights users on 3/27. 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.
qua 11/265:58 pmDCA - HEL
2 stops14h 17mBritish Airways
sex 12/54:55 pmHEL - DCA
1 stop12h 43mBritish Airways
Deal found 3/27$588
This oojo deal was found by Cheapflights users on 3/26. 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.
ter 4/85:00 pmDCA - HEL
2 stops14h 00mIcelandair
ter 4/153:00 pmHEL - DCA
2 stops32h 06mIcelandair
Deal found 3/26$788
This StudentUniverse deal was found by Cheapflights users on 3/26. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 4/16:59 pmDCA - HEL
1 stop12h 01mFinnair
seg 4/75:15 pmHEL - DCA
1 stop12h 14mFinnair
Deal found 3/26$842
This KLM deal was found by Cheapflights users on 3/26. 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.
seg 7/218:15 pmDCA - HEL
2 stops14h 25mKLM
ter 7/291:55 pmHEL - DCA
2 stops14h 58mKLM
Deal found 3/26$891
This Aeromexico deal was found by Cheapflights users on 3/26. 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.
qui 7/1712:59 pmDCA - HEL
2 stops17h 06mAir France
dom 7/276:40 amHEL - DCA
2 stops23h 50mAir France
Deal found 3/26$1,019
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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.
qua 4/212:37 pmDCA - HEL
2 stops19h 33mIberia
seg 4/75:15 pmHEL - DCA
1 stop12h 14mIberia
Deal found 3/25$1,239
This Scandinavian Airlines deal was found by Cheapflights users on 3/26. 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.
qua 8/61:30 pmDCA - HEL
3 stops20h 00mScandinavian Airlines
sáb 8/910:50 amHEL - DCA
3 stops43h 38mScandinavian Airlines
Deal found 3/26$1,557

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 março 28, 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

qui 4/17

5:59 pm-2:15 pm

1 stop13h 16m

Helsinki-Vantaa

qui 4/24

12:35 pm-8:48 pm

1 stop15h 13m

$510

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

qua 4/23

5:59 pm-2:15 pm

1 stop13h 16m

Helsinki-Vantaa

qua 4/30

4:25 pm-10:15 pm

1 stop12h 50m

$520

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

qua 4/23

4:31 pm-4:40 pm

2 stops17h 09m

Helsinki-Vantaa

qua 4/30

7:15 am-6:10 pm

2 stops17h 55m

$544

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

qua 8/20

6:00 am-6:55 pm

2 stops29h 55m

Helsinki-Vantaa

qua 8/27

6:10 am-3:48 pm

2 stops16h 38m

$607

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

ter 4/8

5:00 pm-2:00 pm

2 stops14h 00m

Helsinki-Vantaa

ter 4/15

3:00 pm-4:06 pm

2 stops32h 06m

$788

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

qui 4/17

6:35 am-12:20 pm

2 stops22h 45m

Helsinki-Vantaa

seg 4/21

4:25 pm-11:35 pm

1 stop14h 10m

$862

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

seg 7/21

8:15 pm-5:40 pm

2 stops14h 25m

Helsinki-Vantaa

ter 7/29

1:55 pm-9:53 pm

2 stops14h 58m

$891

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

seg 7/21

7:01 pm-2:00 pm

1 stop11h 59m

Helsinki-Vantaa

ter 7/29

5:15 pm-11:11 pm

1 stop12h 56m

$951

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

qui 7/17

12:59 pm-1:05 pm

2 stops17h 06m

Helsinki-Vantaa

dom 7/27

6:40 am-11:30 pm

2 stops23h 50m

$1,019

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

seg 6/2

12:35 pm-3:25 pm

2 stops19h 50m

Helsinki-Vantaa

seg 6/9

5:15 pm-11:07 pm

1 stop12h 52m

$1,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 março 28, 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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 25% on airfare.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helsinki, 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 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. 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 Helsinki. Reviews last updated março 28, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Washington, D.C. to Helsinki by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
8.0
Very good

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
8.0
Very good

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
8.0
Very good

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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.
8.0
Very good

Boarding

8.2

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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 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.

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

    American Airlines, at $520, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Helsinki.Alternate airlines to your destination round-trip include Delta and Air Canada.

  • 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 ($427), American Airlines ($439), and Finnair ($479).

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Helsinki (average of $444). Flying from Washington, D.C. Reagan-National Airport to Helsinki in June is currently the most expensive (average of $1,136). 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
Vantaa
Espoo
Lahti

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