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$397+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HEL
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$512
(American Airlines)

One-way from

$397
(Priceline)

Popular in

June

Cheapest in

November

Average price

$710
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 July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 9/257:23 pmDCA - HEL
1 stop11h 37mAmerican Airlines
Sun 9/285:15 pmHEL - DCA
1 stop12h 52mAmerican Airlines
Deal found 7/3$512
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:59 amDCA - HEL
2 stops23h 11mAir Canada
Sun 12/1412:45 pmHEL - DCA
2 stops36h 20mAir Canada
Deal found 6/30$515
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:00 pmDCA - HEL
2 stops21h 00mDelta
Fri 12/126:30 amHEL - DCA
2 stops22h 23mDelta
Deal found 6/30$531
This United Airlines deal was found by Cheapflights users on 7/3. 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 12/239:40 amDCA - HEL
2 stops32h 35mUnited Airlines
Tue 12/307:05 amHEL - DCA
2 stops32h 50mUnited Airlines
Deal found 7/3$545
This oojo deal was found by Cheapflights users on 6/30. 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.
Sun 8/316:05 amDCA - HEL
2 stops26h 20mScandinavian Airlines
Fri 9/511:15 amHEL - DCA
2 stops18h 00mScandinavian Airlines
Deal found 6/30$582
This Gotogate deal was found by Cheapflights users on 7/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:59 amDCA - HEL
2 stops20h 36mMultiple Airlines
Fri 9/1211:15 amHEL - DCA
2 stops15h 29mMultiple Airlines
Deal found 7/2$644
This Finnair deal was found by Cheapflights users on 6/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/305:58 pmDCA - HEL
1 stop12h 57mFinnair
Fri 12/124:50 pmHEL - DCA
1 stop12h 48mFinnair
Deal found 6/30$662
This Gurufare deal was found by Cheapflights users on 7/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/73:35 pmDCA - HEL
2 stops13h 45mBritish Airways
Fri 9/125:15 pmHEL - DCA
1 stop12h 52mBritish Airways
Deal found 7/2$743

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 July 3, 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

Thu 9/25

7:23 pm-2:00 pm

1 stop11h 37m

Helsinki-Vantaa

Sun 9/28

5:15 pm-11:07 pm

1 stop12h 52m

$512

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 11/30

6:59 am-1:10 pm

2 stops23h 11m

Helsinki-Vantaa

Sun 12/14

12:45 pm-6:05 pm

2 stops36h 20m

$515

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 12/2

12:00 pm-4:00 pm

2 stops21h 00m

Helsinki-Vantaa

Tue 12/16

6:30 am-11:29 pm

2 stops23h 59m

$531

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 12/23

9:40 am-1:15 am

2 stops32h 35m

Helsinki-Vantaa

Tue 12/30

7:05 am-8:55 am

2 stops32h 50m

$545

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 8/31

6:05 am-3:25 pm

2 stops26h 20m

Helsinki-Vantaa

Fri 9/5

11:15 am-10:15 pm

2 stops18h 00m

$582

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 9/7

6:59 am-10:35 am

2 stops20h 36m

Helsinki-Vantaa

Fri 9/12

11:15 am-7:44 pm

2 stops15h 29m

$644

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 11/30

5:58 pm-1:55 pm

1 stop12h 57m

Helsinki-Vantaa

Tue 12/16

4:50 pm-10:38 pm

1 stop12h 48m

$662

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 9/7

3:35 pm-12:20 pm

2 stops13h 45m

Helsinki-Vantaa

Fri 9/12

5:15 pm-11:07 pm

1 stop12h 52m

$743

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 8/12

4:30 pm-6:55 pm

2 stops19h 25m

$397

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 8/10

4:30 pm-12:40 am

2 stops25h 10m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 15 results
1
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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 July 3, 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.

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 July 3, 2025.
Get a feel of what it's like to fly with Delta, Finnair, and United Airlines from Washington, D.C. Reagan-National Airport 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
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,306 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,416 reviews
Delta
8.0
Very good
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7,982 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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?

    American Airlines, at $512, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Helsinki.Alternate airlines to your destination round-trip include Air Canada and Delta.

  • 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 ($397), United Airlines ($401), and Finnair ($404).

  • 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 $1,084). 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$430Average$558FlexibilityNo cancel feeOn-time71%

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