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$342+ Cheap flights from Washington, D.C. (WAS) 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HEL
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Helsinki-Vantaa are usually found in February or November, booked 51 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Helsinki

Cheapest flights from Washington, D.C. to Helsinki
Explore the most affordable flight options available from Washington, D.C. to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

This FlightHub deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:40 pmBWI - HEL
1 stop10h 15mIcelandair
Wed 1/141:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 12/9$369
This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmBWI - HEL
1 stop10h 15mIcelandair
Thu 1/151:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 12/9$391
This FlightHub deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:40 pmIAD - HEL
1 stop10h 15mIcelandair
Wed 1/141:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 12/9$392
This FlightHub deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:40 pmBWI - HEL
1 stop10h 15mIcelandair
Mon 1/121:55 pmHEL - BWI
1 stop11h 45mIcelandair
Deal found 12/9$393
This Icelandair deal was found by Cheapflights users on 12/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmIAD - HEL
1 stop10h 15mIcelandair
Thu 1/151:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 12/9$414
This FlightHub deal was found by Cheapflights users on 12/9. 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.
Tue 12/307:40 pmIAD - HEL
1 stop10h 15mIcelandair
Mon 1/121:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 12/9$430
This Icelandair deal was found by Cheapflights users on 12/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 pmIAD - HEL
1 stop10h 15mIcelandair
Wed 1/141:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 12/9$452
This Icelandair deal was found by Cheapflights users on 12/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:40 pmIAD - HEL
1 stop10h 15mIcelandair
Mon 1/121:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 12/9$489
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:40 pmIAD - HEL
1 stop10h 15mIcelandair
Sun 1/251:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 12/10$539
This KLM deal was found by Cheapflights users on 12/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:50 pmIAD - HEL
1 stop20h 45mMultiple Airlines
Sun 1/116:20 pmHEL - IAD
1 stop28h 45mMultiple Airlines
Deal found 12/9$545
This Delta deal was found by Cheapflights users on 12/9. 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.
Tue 12/306:05 pmIAD - HEL
1 stop12h 05mDelta
Sun 1/112:05 pmHEL - IAD
1 stop33h 00mDelta
Deal found 12/9$551
This Delta deal was found by Cheapflights users on 12/9. 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.
Wed 12/319:40 pmIAD - HEL
1 stop11h 45mDelta
Tue 1/137:00 amHEL - IAD
2 stops19h 09mDelta
Deal found 12/9$555

Find flight deals from Washington, D.C. to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 December 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$359
(CrystalTravel)

One-way from

$342
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$828
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. (WAS) to Helsinki-Vantaa
Search Deals
One-way flight from Washington, D.C. (WAS) to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 December 10, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Helsinki that are best for you.

Fly from

Washington, D.C.

Fly to

Helsinki

Route

Depart

Return

Price

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Fri 1/9

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Thu 1/22

1:55 pm-6:40 pm

1 stop11h 45m

$364

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Mon 1/19

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Tue 2/3

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Mon 1/19

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Thu 2/5

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sun 1/18

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Mon 2/2

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Thu 1/22

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Wed 2/4

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Wed 1/21

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Thu 2/5

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Tue 1/20

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

Sun 1/18

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Thu 2/5

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Tue 1/20

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Sun 1/25

1:55 pm-6:40 pm

1 stop11h 45m

$391

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Wed 1/21

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Tue 2/3

1:55 pm-6:40 pm

1 stop11h 45m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 58 results
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6

Compare providers for flights from Washington, D.C. to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Helsinki in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Helsinki flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Helsinki flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Helsinki flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki 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 Helsinki

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Helsinki. Price data was last updated on December 5, 2025.

The best time to book flights from Washington, D.C. to Helsinki is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Helsinki (average of $264). Flying from Washington, D.C. to Helsinki 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 HEL?

Find hourly flight availability from Washington, D.C. 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 December 10, 2025.

When flying from Washington, D.C. to Helsinki, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 29% versus a flight in the afternoon.

What’s the top layover airport for flights from Washington, D.C. to Helsinki?

Share of 1-stop round-trip flights from Washington, D.C. to Helsinki chosen by Cheapflights users in the past 12 months, using the same layover each way.

Copenhagen (CPH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to Helsinki on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Helsinki?

Average round-trip fare for 1-stop flights from Washington, D.C. to Helsinki, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $459.

What’s the fastest layover option from Washington, D.C. to Helsinki?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Helsinki, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 21m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Helsinki?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Helsinki, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 02m.

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 December 10, 2025.
Read reviews from past customers who have flown Scandinavian Airlines, United Airlines, and American Airlines from Washington, D.C. to Helsinki. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,605 reviews

Overall

7.4

Food

6.7

Boarding

7.6

Crew

8.0

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.
Scandinavian Airlines
7.4
Good
1,605 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Overall

7.4

Food

6.7

Boarding

7.6

Crew

8.0

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.
United Airlines
7.4
Good
9,093 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Overall

7.4

Food

6.7

Boarding

7.6

Crew

8.0

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.
American Airlines
7.2
Good
11,048 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Overall

7.4

Food

6.7

Boarding

7.6

Crew

8.0

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.
Icelandair
7.0
Good
589 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Overall

7.4

Food

6.7

Boarding

7.6

Crew

8.0

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.
Lufthansa
6.8
Okay
7,624 reviews
Scandinavian Airlines
7.4
Good
1,605 reviews

Overall

7.4

Food

6.7

Boarding

7.6

Crew

8.0

Entertainment

6.7

Comfort

7.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

ATL - CPH

I asked for wheelchair assistance. When I got to Copenhagen, there was none. Luckily I found a robot type wheelchair that got me to my next gate. In Dusseldorf, there was no help at all. On the return trip, SAS bumped me and sent me to another airline without provision to get to my final destination. I had to make other arrangement to get home which was VERY expensive. I do not understand them, they treat Americans like trash.

Related info for your journey

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

    If you book a flight to Helsinki from Washington, D.C., you will be flying to Helsinki-Vantaa, which is the city’s only airport. Helsinki-Vantaa (HEL) is located 10.6 mi from the center of Helsinki. There are 0 flights from Washington, D.C. to Helsinki-Vantaa per day from 8 different airlines.

  • How long is the flight from Washington, D.C. to Helsinki?

    Departing from Washington, D.C. to Helsinki will take you 10h 15m. The distance from Washington, D.C. to Helsinki is about 4272 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. to Helsinki round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Helsinki round-trip from $370. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from $423, and United Airlines, from $462. These flights start at 38% lower than the current average price 3 months from now.

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

    When deciding which route to take from Washington, D.C. to Helsinki consider Washington, D.C. Dulles Intl - Helsinki-Vantaa, Baltimore/Washington - Helsinki-Vantaa or Washington, D.C. Reagan-National - Helsinki-Vantaa as they are the most popular.

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

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

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

    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 Helsinki.

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

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Helsinki?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Helsinki (average of $264). Flying from Washington, D.C. to Helsinki 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

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Lahti

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Top 8 airlines flying from Washington, D.C. to Helsinki

Discover the top 8 airlines that operate flights from Washington, D.C. 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$499FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$423Average$555FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$462Average$774FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$486Average$785FlexibilityNo cancel feeOn-time76%
DeltaCheapest$527Average$706FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$535Average$737FlexibilityNo cancel feeOn-time70%
KLMCheapest$554Average$707FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$580Average$872FlexibilityNo cancel feeOn-time71%

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