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Washington, D.C.

$461+ Cheap flights from Helsinki (HEL) to Washington, D.C. (WAS)

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — WAS
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Find cheap flights from Helsinki to Washington, D.C. with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Helsinki-Vantaa to Washington, D.C. are usually found in February or November, booked 58 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

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

Cheapest flights from Helsinki to Washington, D.C.
Explore the most affordable flight options available from Helsinki to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This KLM deal was found by Cheapflights users on 12/14. 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.
Thu 12/187:00 amHEL - IAD
1 stop16h 05mMultiple Airlines
Wed 1/286:50 pmIAD - HEL
1 stop14h 35mMultiple Airlines
Deal found 12/14$871
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/187:00 amHEL - BWI
2 stops19h 02mDelta
Wed 1/283:38 pmBWI - HEL
2 stops17h 47mDelta
Deal found 12/14$878
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/187:00 amHEL - DCA
2 stops22h 12mDelta
Wed 1/282:35 pmDCA - HEL
2 stops18h 50mDelta
Deal found 12/14$878
This Delta deal was found by Cheapflights users on 12/14. 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.
Thu 12/187:00 amHEL - IAD
1 stop16h 05mDelta
Wed 1/283:42 pmIAD - HEL
2 stops18h 43mDelta
Deal found 12/14$878
This KLM deal was found by Cheapflights users on 12/14. 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 12/177:00 amHEL - IAD
1 stop16h 05mMultiple Airlines
Wed 1/286:50 pmIAD - HEL
1 stop14h 35mMultiple Airlines
Deal found 12/14$903
This KLM deal was found by Cheapflights users on 12/14. 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 12/177:00 amHEL - IAD
1 stop16h 05mKLM
Wed 1/287:30 pmIAD - HEL
2 stops14h 55mKLM
Deal found 12/14$913
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/177:50 amHEL - DCA
2 stops15h 35mAmerican Airlines
Wed 1/281:35 pmDCA - HEL
1 stop17h 20mAmerican Airlines
Deal found 12/14$923
This Flightnetwork deal was found by Cheapflights users on 12/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:20 amHEL - IAD
1 stop12h 55mScandinavian Airlines
Mon 1/58:30 pmIAD - HEL
1 stop11h 55mScandinavian Airlines
Deal found 12/16$933
This Delta deal was found by Cheapflights users on 12/14. 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 12/176:30 amHEL - BWI
2 stops19h 32mDelta
Wed 1/283:38 pmBWI - HEL
2 stops17h 47mDelta
Deal found 12/14$940
This Delta deal was found by Cheapflights users on 12/14. 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 12/176:30 amHEL - DCA
2 stops18h 29mDelta
Wed 1/282:35 pmDCA - HEL
2 stops18h 50mDelta
Deal found 12/14$940
This Delta deal was found by Cheapflights users on 12/14. 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 12/177:00 amHEL - IAD
2 stops19h 19mDelta
Wed 1/285:26 pmIAD - HEL
2 stops16h 59mDelta
Deal found 12/14$940
This Finnair deal was found by Cheapflights users on 12/14. 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 12/184:50 pmHEL - DCA
1 stop12h 10mMultiple Airlines
Wed 1/285:45 pmDCA - HEL
1 stop13h 10mMultiple Airlines
Deal found 12/14$966

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

Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) to Washington, D.C. (WAS). 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 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$492
(Mytrip)

One-way from

$461
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$665
Provider with most accurate pricing for Helsinki-Vantaa-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helsinki-Vantaa-Washington, D.C. (WAS) flights.
Search Deals
From Helsinki-Vantaa to Washington, D.C. (WAS)
Search Deals
One-way flight from Helsinki-Vantaa to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($49 potential increase over avg. RT price).
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 December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helsinki to Washington, D.C. 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 17, 2025.
Use the filters below to find and compare flights from Helsinki to Washington, D.C. that are best for you.

Fly from

Helsinki

Fly to

Washington, D.C.

Route

Depart

Return

Price

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 1/15

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 1/28

7:40 pm-12:55 pm

1 stop10h 15m

$492

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 1/15

4:50 pm-10:03 pm

1 stop12h 13m

Washington, D.C. Reagan-National

Wed 1/28

5:45 pm-1:55 pm

1 stop13h 10m

$493

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 1/29

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Thu 2/5

7:40 pm-12:55 pm

1 stop10h 15m

$500

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 1/29

4:50 pm-10:03 pm

1 stop12h 13m

Washington, D.C. Reagan-National

Thu 2/5

5:45 pm-1:55 pm

1 stop13h 10m

$501

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sat 1/31

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 2/7

7:40 pm-12:55 pm

1 stop10h 15m

$501

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Tue 1/13

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Thu 2/26

7:40 pm-12:55 pm

1 stop10h 15m

$501

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 1/29

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 3/7

7:40 pm-12:55 pm

1 stop10h 15m

$528

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 1/28

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 3/7

7:40 pm-12:55 pm

1 stop10h 15m

$528

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 2/5

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 2/9

7:40 pm-12:55 pm

1 stop10h 15m

$528

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 1/30

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Sat 3/7

7:40 pm-12:55 pm

1 stop10h 15m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 34 results
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Compare providers for flights from Helsinki to Washington, D.C.

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 Helsinki to Washington, D.C. in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Helsinki-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Helsinki-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Helsinki-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helsinki-Washington, D.C. 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 Helsinki-Washington, D.C. 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 Helsinki to Washington, D.C.

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

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

Use this chart to determine the optimal time to book a round-trip flight from Helsinki to Washington, D.C.. Price data was last updated on December 12, 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Helsinki to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $396). Flying from Helsinki to Washington, D.C. in December is currently the most expensive (average of $500). 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 HEL to WAS?

Find hourly flight availability from Helsinki to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Helsinki to Washington, D.C. in the morning. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight in the evening.

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

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

Reykjavik (KEF) – chosen by Cheapflights users on 83% of 1-stop itineraries from Helsinki to Washington, D.C. on Cheapflights.

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

Average round-trip fare for 1-stop flights from Helsinki to Washington, D.C., 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 $469.

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

Shortest average travel time for 1-stop one-way flights from Helsinki to Washington, D.C., 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: 11h 22m.

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

Average layover duration for 1-stop one-way flights from Helsinki to Washington, D.C., 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated December 17, 2025.
Read reviews from past customers who have flown KLM, Scandinavian Airlines, and Icelandair from Helsinki to Washington, D.C.. 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.
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,430 reviews
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Scandinavian Airlines
7.4
Good
1,606 reviews
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Icelandair
7.0
Good
591 reviews
KLM
7.7
Good
1,430 reviews

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

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

    Most people fly from Helsinki-Vantaa (HEL) if they book a flight from Helsinki to Washington, D.C.. On average, Helsinki-Vantaa has 0 outbound flights to Washington, D.C. per day from 2 airlines. Helsinki-Vantaa is conveniently located just 10.6 mi from Helsinki’s city center.

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

    A quick flight from Helsinki to Washington, D.C. can take about 11h 35m. Icelandair provides one of the quickest options available for as low as $492. Helsinki and Washington, D.C. are separated by a distance of 4308 mi. This flight may include one or multiple stops.

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

    Currently priced at $355, Icelandair will fly you from Helsinki to Washington, D.C. and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Scandinavian Airlines for as low as $450. Users have found that Icelandair is 40% cheaper than the other options available to this destination.

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

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

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $396). Flying from Helsinki to Washington, D.C. in December is currently the most expensive (average of $500). 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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.

Alternative routes for Helsinki to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Helsinki to Dulles Intl flights

Top 2 airlines flying from Helsinki to Washington, D.C.

Discover the top 2 airlines that operate flights from Helsinki to Washington, D.C.. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$573FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$450Average$558FlexibilityNo cancel feeOn-time77%

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