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$335+ Cheap flights from Washington, D.C. (WAS) 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HEL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Finland

Keep the following information in mind while searching for Washington, D.C. to Finland flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$358
(CrystalTravel)

One-way from

$335
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$534
Provider with most accurate pricing for Washington, D.C. (WAS)-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Helsinki-Vantaa flights.
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From Washington, D.C. (WAS) to Finland
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One-way flight from Washington, D.C. (WAS) to Finland
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Highest demand for flights based on searches. 19% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Washington, D.C. to Finland

Cheapest flights from Washington, D.C. to Finland
Explore the most affordable flight options available from Washington, D.C. to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Ticket deal was found by Cheapflights users on 10/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:40 pmBWI - HEL
1 stop10h 15mIcelandair
Sun 11/231:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 10/30$351
This CrystalTravel deal was found by Cheapflights users on 10/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:40 pmIAD - HEL
1 stop10h 15mIcelandair
Thu 12/41:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 10/29$359
This oojo deal was found by Cheapflights users on 10/30. 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.
Wed 12/37:40 pmIAD - HEL
1 stop10h 15mIcelandair
Wed 12/101:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 10/30$364
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:40 pmBWI - HEL
1 stop10h 15mIcelandair
Wed 12/101:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 10/29$364
This FlightHub deal was found by Cheapflights users on 10/28. 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.
Thu 11/137:40 pmIAD - HEL
1 stop10h 15mIcelandair
Tue 11/251:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 10/28$368
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:40 pmBWI - HEL
1 stop10h 15mIcelandair
Wed 12/101:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 10/29$387
This deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:40 pmIAD - HEL
1 stop10h 15mIcelandair
Sat 11/221:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 10/28$391
This KAYAK deal was found by Cheapflights users on 10/28. 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.
Tue 11/117:40 pmBWI - HEL
1 stop10h 15mIcelandair
Sun 11/231:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 10/28$391
This oojo deal was found by Cheapflights users on 10/28. 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 11/307:40 pmIAD - HEL
1 stop10h 15mIcelandair
Sun 12/71:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 10/28$410
This KAYAK deal was found by Cheapflights users on 10/28. 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.
Sun 11/97:40 pmIAD - HEL
1 stop10h 15mIcelandair
Sun 11/231:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 10/28$414
This deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:40 pmBWI - HEL
1 stop10h 15mIcelandair
Fri 11/211:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 10/28$414
This deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:40 pmBWI - HEL
1 stop10h 15mIcelandair
Tue 12/21:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 10/28$432

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Finland that are best for you.

Fly from

Washington, D.C.

Fly to

Finland

Route

Depart

Return

Price

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 12/8

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Sat 12/13

1:55 pm-6:30 pm

1 stop11h 35m

$364

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Thu 2/26

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Sun 3/8

1:55 pm-7:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sat 1/10

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Sat 1/24

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Thu 11/13

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Wed 11/26

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Tue 3/3

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Sun 3/8

1:55 pm-7:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Mon 3/2

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Sun 3/8

1:55 pm-7:40 pm

1 stop11h 45m

$391

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 12/3

9:45 am-6:50 pm

2 stops26h 05m

Helsinki-Vantaa

Wed 12/10

6:55 am-3:50 pm

1 stop15h 55m

$459

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 12/8

12:19 pm-10:40 am

2 stops15h 21m

Helsinki-Vantaa

Sat 12/13

6:15 am-7:19 pm

2 stops20h 04m

$472

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 1/11

11:10 am-10:40 am

2 stops16h 30m

Helsinki-Vantaa

Fri 1/23

11:20 am-10:48 pm

2 stops18h 28m

$472

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 1/11

12:23 pm-10:40 am

2 stops15h 17m

Helsinki-Vantaa

Fri 1/23

4:10 pm-7:09 pm

3 stops33h 59m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland from Washington, D.C. 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. to Finland

What is the cheapest month to book a flight from Washington, D.C. to Finland?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Finland (average of $322). Flying from Washington, D.C. to Finland in June is currently the most expensive (average of $582). 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.

What is the cheapest time of day to fly from WAS to FI?

Find hourly flight availability from Washington, D.C. to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Washington, D.C. to Finland in the morning. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. 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 Finland. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Finland, such as Scandinavian Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,548 reviews

Overall

7.4

Boarding

7.6

Food

6.6

Crew

8.0

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Scandinavian Airlines
7.4
Good
1,548 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Overall

7.4

Boarding

7.6

Food

6.6

Crew

8.0

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
United Airlines
7.4
Good
8,996 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Overall

7.4

Boarding

7.6

Food

6.6

Crew

8.0

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
American Airlines
7.2
Good
11,034 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Overall

7.4

Boarding

7.6

Food

6.6

Crew

8.0

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Icelandair
7.1
Good
562 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Overall

7.4

Boarding

7.6

Food

6.6

Crew

8.0

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight
Lufthansa
6.8
Okay
7,542 reviews
Scandinavian Airlines
7.4
Good
1,548 reviews

Overall

7.4

Boarding

7.6

Food

6.6

Crew

8.0

Entertainment

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

OSL - CPH

Good was ok. Complimentary wine and beer was nice. Soft drinks should have been free too. Overall great flight

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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. to Finland?

    There are many flights that can get you from Washington, D.C. to Finland in 10h 15m. Fly via Icelandair, Scandinavian Airlines, or Air Canada to get the fastest option. Airlines will cover a distance of 4308 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Finland one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $351. Lufthansa flights start at $362 while deals on Air France start at $388 one-way.

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

    Most travelers choose Washington, D.C. Dulles Intl - Helsinki-Vantaa, Baltimore/Washington - Helsinki-Vantaa or Washington, D.C. Reagan-National - Helsinki-Vantaa when deciding on the best route from Washington, D.C. to Finland.

  • Can I find deals for flights from Washington, D.C. to Finland that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Finland?

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

  • Can I find deals for business class flights from Washington, D.C. to Finland?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Finland?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Finland (average of $322). Flying from Washington, D.C. to Finland in June is currently the most expensive (average of $582). 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

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Alternative routes for Washington, D.C. to Finland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington, D.C. to Finland

Discover the top 9 airlines that operate flights from Washington, D.C. to Finland. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$514FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$423Average$555FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$491Average$774FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$501Average$781FlexibilityNo cancel feeOn-time76%
DeltaCheapest$527Average$726FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$529Average$697FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$535Average$737FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$580Average$872FlexibilityNo cancel feeOn-time71%
FinnairCheapest$652Average$667FlexibilityNo cancel feeOn-time76%

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