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$265+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HEL
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
1 adult, Economy
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Cheap 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 July 14, 2026.

This oojo deal was found by Cheapflights users on 7/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:30 pm
IAD
-
HEL
1 stop10h 30m
Icelandair
Tue 10/272:00 pm
HEL
-
IAD
1 stop11h 30m
Icelandair
Deal found 7/11$364
This oojo deal was found by Cheapflights users on 7/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:30 pm
BWI
-
HEL
1 stop10h 30m
Icelandair
Tue 10/272:00 pm
HEL
-
BWI
1 stop11h 40m
Icelandair
Deal found 7/11$364
This oojo deal was found by Cheapflights users on 7/13. 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 10/1411:20 pm
IAD
-
HEL
1 stop31h 40m
Icelandair
Wed 10/213:00 pm
HEL
-
IAD
1 stop14h 15m
Icelandair
Deal found 7/13$366
This Justfly.com deal was found by Cheapflights users on 7/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:30 pm
IAD
-
HEL
1 stop10h 30m
Icelandair
Thu 10/223:00 pm
HEL
-
IAD
1 stop11h 20m
Icelandair
Deal found 7/13$370
This Justfly.com deal was found by Cheapflights users on 7/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:30 pm
BWI
-
HEL
1 stop10h 30m
Icelandair
Wed 10/213:00 pm
HEL
-
BWI
1 stop11h 25m
Icelandair
Deal found 7/13$370
This Justfly.com deal was found by Cheapflights users on 7/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:20 pm
IAD
-
HEL
1 stop31h 40m
Icelandair
Thu 10/223:00 pm
HEL
-
IAD
1 stop11h 20m
Icelandair
Deal found 7/13$372
This oojo deal was found by Cheapflights users on 7/10. 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.
Wed 9/98:20 pm
IAD
-
HEL
1 stop12h 00m
Scandinavian Airlines
Mon 9/149:15 pm
HEL
-
IAD
2 stops50h 45m
Scandinavian Airlines
Deal found 7/10$374
This oojo deal was found by Cheapflights users on 7/9. 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.
Sun 10/188:20 pm
IAD
-
HEL
1 stop12h 00m
Scandinavian Airlines
Thu 10/2211:15 am
HEL
-
IAD
1 stop12h 45m
Scandinavian Airlines
Deal found 7/9$375
This oojo deal was found by Cheapflights users on 7/10. 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.
Wed 9/98:30 pm
IAD
-
HEL
1 stop10h 30m
Icelandair
Mon 9/1411:55 pm
HEL
-
IAD
1 stop26h 25m
Icelandair
Deal found 7/10$380
This oojo deal was found by Cheapflights users on 7/10. 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.
Wed 9/98:30 pm
BWI
-
HEL
1 stop10h 30m
Icelandair
Mon 9/1411:55 pm
HEL
-
BWI
1 stop26h 30m
Icelandair
Deal found 7/10$380
This oojo deal was found by Cheapflights users on 7/13. 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.
Mon 8/178:20 pm
IAD
-
HEL
2 stops12h 25m
Scandinavian Airlines
Mon 8/249:15 pm
HEL
-
IAD
2 stops50h 45m
Scandinavian Airlines
Deal found 7/13$381
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:20 pm
IAD
-
HEL
1 stop12h 00m
Scandinavian Airlines
Wed 9/99:05 pm
HEL
-
IAD
1 stop26h 55m
Scandinavian Airlines
Deal found 7/11$382

Find 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 July 14, 2026.

Round-trip from

$364
(oojo)

One-way from

$265
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$967
From Washington, D.C. (WAS) to Finland
Search Deals
One-way flight from Washington, D.C. (WAS) to Finland
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($244 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 11/18

8:30 pm-11:50 pm

2 stops20h 20m

Helsinki-Vantaa

Sun 11/22

6:35 pm-5:15 pm

2 stops29h 40m

$423

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 11/4

8:30 pm-11:50 pm

2 stops20h 20m

Helsinki-Vantaa

Tue 11/17

8:55 pm-5:15 pm

2 stops27h 20m

$423
Quickest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 11/3

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Fri 11/20

2:00 pm-6:30 pm

1 stop11h 30m

$443

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 11/1

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Thu 11/19

2:00 pm-6:30 pm

1 stop11h 30m

$443

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sat 11/7

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Fri 11/20

2:00 pm-6:40 pm

1 stop11h 40m

$443

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 11/18

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Sun 11/22

2:00 pm-6:30 pm

1 stop11h 30m

$487

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 11/4

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Sat 11/14

2:00 pm-6:30 pm

1 stop11h 30m

$487

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Fri 11/6

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Fri 11/20

2:00 pm-6:40 pm

1 stop11h 40m

$487

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 11/2

8:30 pm-11:50 pm

2 stops20h 20m

Helsinki-Vantaa

Thu 11/19

11:15 am-5:15 pm

1 stop13h 00m

$488

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sun 11/1

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Sat 11/21

2:00 pm-6:40 pm

1 stop11h 40m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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6

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, May is the cheapest month in which you can book a flight from Washington, D.C. to Finland (average of $337). Flying from Washington, D.C. to Finland in June is currently the most expensive (average of $612). 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.

How far ahead should I book a flight from Washington, D.C. to Finland?

The price you pay for your flight from Washington, D.C. to Finland may vary depending on when you book. For the best chance of a lower fare, look to book 14 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 July 14, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Finland, such as Scandinavian Airlines,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,879 reviews

Entertainment

6.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.0

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Scandinavian Airlines
7.4
Good
1,879 reviews
Scandinavian Airlines
7.4
Good
1,879 reviews

Entertainment

6.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.0

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
United Airlines
7.4
Good
9,991 reviews
Scandinavian Airlines
7.4
Good
1,879 reviews

Entertainment

6.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.0

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
American Airlines
7.1
Good
11,808 reviews
Scandinavian Airlines
7.4
Good
1,879 reviews

Entertainment

6.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.0

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Icelandair
7.0
Good
707 reviews
Scandinavian Airlines
7.4
Good
1,879 reviews

Entertainment

6.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.0

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(
Lufthansa
6.8
Okay
8,134 reviews
Scandinavian Airlines
7.4
Good
1,879 reviews

Entertainment

6.7

Overall

7.4

Food

6.7

Comfort

7.3

Crew

8.0

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

BOS - CPH

I booked sas lodge - but I was unable to use it in Copenhagen because lodge was beyond check point. But SAS website confirmed access:(

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 20m. Fly via Scandinavian Airlines, Icelandair, or United Airlines 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 most popular routes from Washington, D.C. to Finland?

    Most travelers choose Baltimore/Washington - Helsinki-Vantaa, Washington, D.C. Dulles Intl - 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, May is the cheapest month in which you can book a flight from Washington, D.C. to Finland (average of $337). Flying from Washington, D.C. to Finland in June is currently the most expensive (average of $612). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Washington, D.C. to Finland

Discover the top 4 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 July 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$354Average$627FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$423Average$555FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$462Average$774FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$493Average$840FlexibilityNo cancel feeOn-time76%

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