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$264+ Cheap flights from Reagan-National (DCA) to Finland

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HEL
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Reagan-National to Finland

Cheapest flights from Reagan-National to Finland
Explore the most affordable flight options available from Reagan-National to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:15 pm
DCA
-
HEL
1 stop16h 00m
Multiple Airlines
Thu 5/144:25 pm
HEL
-
DCA
1 stop14h 32m
Multiple Airlines
Deal found 2/2$517
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:31 pm
DCA
-
HEL
1 stop13h 29m
Finnair
Wed 5/65:20 pm
HEL
-
DCA
1 stop12h 09m
Finnair
Deal found 2/2$522
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:15 pm
DCA
-
HEL
2 stops19h 35m
Air Canada
Mon 3/26:50 am
HEL
-
DCA
2 stops22h 06m
Air Canada
Deal found 2/2$528
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/222:19 pm
DCA
-
HEL
1 stop17h 36m
Multiple Airlines
Tue 3/315:20 pm
HEL
-
DCA
1 stop12h 09m
Multiple Airlines
Deal found 2/3$539
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:52 pm
DCA
-
HEL
1 stop14h 03m
Multiple Airlines
Thu 3/264:50 pm
HEL
-
DCA
1 stop20h 33m
Multiple Airlines
Deal found 2/2$540
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/161:44 pm
DCA
-
HEL
1 stop17h 11m
Multiple Airlines
Mon 3/212:30 pm
HEL
-
DCA
1 stop17h 30m
Multiple Airlines
Deal found 2/2$542
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 4/171:25 pm
DCA
-
HEL
1 stop17h 35m
American Airlines
Thu 4/234:25 pm
HEL
-
DCA
1 stop13h 34m
American Airlines
Deal found 2/4$543
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/51:44 pm
DCA
-
HEL
1 stop17h 11m
American Airlines
Thu 3/1212:30 pm
HEL
-
DCA
1 stop16h 30m
American Airlines
Deal found 2/3$544
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:00 pm
DCA
-
HEL
1 stop14h 55m
Multiple Airlines
Wed 3/254:50 pm
HEL
-
DCA
1 stop23h 09m
Multiple Airlines
Deal found 2/3$545
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 3/181:48 pm
DCA
-
HEL
1 stop18h 07m
American Airlines
Mon 3/301:25 pm
HEL
-
DCA
1 stop16h 59m
American Airlines
Deal found 2/2$547
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 3/195:00 pm
DCA
-
HEL
1 stop14h 55m
American Airlines
Thu 3/264:50 pm
HEL
-
DCA
1 stop23h 09m
American Airlines
Deal found 2/2$549
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Sun 11/15:45 pm
DCA
-
OUL
2 stops15h 20m
Multiple Airlines
Fri 11/67:35 am
OUL
-
DCA
2 stops22h 25m
Multiple Airlines
Deal found 2/3$676

Find flight deals from Reagan-National to Finland

Keep the following information in mind while searching for Reagan-National to Finland flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$517
(Finnair)

One-way from

$264
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$435
Provider with most accurate pricing for Washington, D.C. (WAS)-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Helsinki-Vantaa flights.
Search Deals
From Washington, D.C. Reagan-National to Finland
Search Deals
One-way flight from Washington, D.C. Reagan-National to Finland
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Finland 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 February 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Finland that are best for you.

Fly from

Reagan-National

Fly to

Finland

Route

Depart

Return

Price

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 5/7

3:15 pm-2:15 pm

1 stop16h 00m

Helsinki-Vantaa

Thu 5/14

4:25 pm-11:57 pm

1 stop14h 32m

$517

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 3/22

2:19 pm-1:55 pm

1 stop17h 36m

Helsinki-Vantaa

Tue 3/31

5:20 pm-10:29 pm

1 stop12h 09m

$539

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Mon 2/16

1:44 pm-1:55 pm

1 stop17h 11m

Helsinki-Vantaa

Mon 3/2

12:30 pm-11:00 pm

1 stop17h 30m

$542

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 3/5

1:44 pm-1:55 pm

1 stop17h 11m

Helsinki-Vantaa

Thu 3/12

12:30 pm-11:00 pm

1 stop16h 30m

$544

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 3/22

5:09 pm-5:25 pm

2 stops18h 16m

Helsinki-Vantaa

Tue 3/31

7:15 am-5:00 pm

2 stops16h 45m

$557

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 4/29

11:55 am-1:05 pm

2 stops18h 10m

Helsinki-Vantaa

Wed 5/6

6:35 am-3:39 pm

2 stops16h 04m

$562

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-1:10 pm

2 stops24h 10m

Helsinki-Vantaa

Thu 4/23

6:35 am-10:43 pm

2 stops23h 08m

$571

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 3/5

1:00 pm-1:20 pm

2 stops17h 20m

Helsinki-Vantaa

Thu 3/12

6:55 am-7:12 pm

2 stops18h 17m

$571

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Mon 3/2

10:25 am-10:40 am

2 stops17h 15m

Helsinki-Vantaa

Fri 3/6

6:15 am-10:08 pm

2 stops22h 53m

$592

Washington, D.C.Rovaniemi

DCA - RVN

DCARVN

Washington, D.C. Reagan-National

Fri 3/6

5:00 pm-9:05 pm

2 stops21h 05m

Rovaniemi

Fri 3/13

5:20 am-11:00 pm

2 stops23h 40m

$926

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 22 results
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Best time to book a flight from Reagan-National to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland 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 Finland
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as $522, Finnair can have you in Finland from Washington, D.C. Reagan-National Airport in 13h 29m. Airlines will cover a distance of 4302 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Finland?

    The most popular flight routes from Washington, D.C. Reagan-National Airport to Finland are Washington, D.C. Reagan-National - Helsinki-Vantaa, Washington, D.C. Reagan-National - Turku and Washington, D.C. Reagan-National - Rovaniemi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Finland 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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Alternative routes for Reagan-National to Finland

See prices for flight routes from nearby airports that may be better suited for you.
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