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$406+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HEL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$537
(Delta)

One-way from

$406
(Priceline)

Popular in

June

Cheapest in

November

Average price

$841
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. 25% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/9. 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.
mié. 9/245:00 pmDCA - HEL
2 stops16h 40mDelta
mar. 9/307:10 amHEL - DCA
2 stops17h 55mDelta
Deal found 6/9$537
This United Airlines deal was found by Cheapflights users on 6/9. 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.
mié. 11/2611:00 amDCA - HEL
2 stops19h 10mUnited Airlines
dom. 11/306:50 amHEL - DCA
2 stops33h 07mUnited Airlines
Deal found 6/9$541
This FlightHub deal was found by Cheapflights users on 6/9. 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.
mié. 11/266:00 amDCA - HEL
2 stops29h 40mAir Canada
dom. 11/302:00 pmHEL - DCA
2 stops49h 57mAir Canada
Deal found 6/9$556
This Mytrip deal was found by Cheapflights users on 6/10. 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.
mié. 12/35:49 pmDCA - HEL
2 stops14h 26mBritish Airways
lun. 12/84:50 pmHEL - DCA
1 stop12h 48mBritish Airways
Deal found 6/10$576
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 12/56:59 amDCA - HEL
2 stops20h 41mMultiple Airlines
lun. 12/158:55 pmHEL - DCA
3 stops31h 58mMultiple Airlines
Deal found 6/10$584
This Finnair deal was found by Cheapflights users on 6/10. 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.
jue. 12/115:49 pmDCA - HEL
1 stop13h 06mFinnair
mié. 12/174:50 pmHEL - DCA
1 stop12h 48mFinnair
Deal found 6/10$703
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
mié. 10/2212:34 pmDCA - HEL
2 stops19h 36mIberia
mié. 10/294:50 pmHEL - DCA
1 stop12h 05mIberia
Deal found 6/11$724
This oojo deal was found by Cheapflights users on 6/9. 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.
mar. 7/2911:00 amDCA - HEL
2 stops40h 35mScandinavian Airlines
lun. 8/114:05 pmHEL - DCA
2 stops37h 07mScandinavian Airlines
Deal found 6/9$740
This American Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 8/132:54 pmDCA - HEL
1 stop16h 06mAmerican Airlines
dom. 8/244:25 pmHEL - DCA
1 stop14h 25mAmerican Airlines
Deal found 6/10$767
This oojo deal was found by Cheapflights users on 6/10. 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.
mié. 12/32:00 pmDCA - HEL
2 stops16h 00mIcelandair
mié. 12/102:00 pmHEL - DCA
2 stops33h 59mIcelandair
Deal found 6/10$813

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 junio 12, 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

mié. 9/24

5:00 pm-4:40 pm

2 stops16h 40m

Helsinki-Vantaa

mar. 9/30

7:10 am-6:05 pm

2 stops17h 55m

$537

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 11/26

11:00 am-1:10 pm

2 stops19h 10m

Helsinki-Vantaa

dom. 11/30

6:50 am-8:57 am

2 stops33h 07m

$541

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 11/26

6:00 am-6:40 pm

2 stops29h 40m

Helsinki-Vantaa

dom. 11/30

2:00 pm-8:57 am

2 stops49h 57m

$556

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 12/3

5:49 pm-3:15 pm

2 stops14h 26m

Helsinki-Vantaa

lun. 12/8

4:50 pm-10:38 pm

1 stop12h 48m

$576

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

vie. 12/5

6:59 am-10:40 am

2 stops20h 41m

Helsinki-Vantaa

lun. 12/15

8:55 pm-9:53 pm

3 stops31h 58m

$584

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

vie. 11/28

5:58 pm-1:55 pm

1 stop12h 57m

Helsinki-Vantaa

sáb. 12/6

4:50 pm-10:38 pm

1 stop12h 48m

$711

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 10/22

12:34 pm-3:10 pm

2 stops19h 36m

Helsinki-Vantaa

mié. 10/29

4:50 pm-10:55 pm

1 stop12h 05m

$724

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 7/29

11:00 am-10:35 am

2 stops40h 35m

Helsinki-Vantaa

lun. 8/11

4:05 pm-10:12 pm

2 stops37h 07m

$740

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 8/13

2:54 pm-2:00 pm

1 stop16h 06m

Helsinki-Vantaa

dom. 8/24

4:25 pm-11:50 pm

1 stop14h 25m

$767

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 12/3

2:00 pm-1:00 pm

2 stops16h 00m

Helsinki-Vantaa

mié. 12/10

2:00 pm-4:59 pm

2 stops33h 59m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 19 results
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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 junio 12, 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 junio 12, 2025.
Get a feel of what it's like to fly with Delta, Finnair and United Airlines 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.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 1 airline has 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?

    Delta, at $537, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Helsinki.Alternate airlines to your destination round-trip include United Airlines 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 Air Canada ($406), United Airlines ($450), and Delta ($463).

  • 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 $1,081). 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
Lahti

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Reagan-National to Helsinki

Discover the top airline that operate flights from Reagan-National to Helsinki. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$430Average$558FlexibilityNo cancel feeOn-time71%

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