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Washington, D.C.

$382+ Cheap flights from Helsinki (HEL) to Washington, D.C. (WAS)

HEL — WAS
Oct 24 — Oct 311
Sat 10/24
Sat 10/31
1 adult, Economy
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Cheap flight deals from Helsinki to Washington, D.C.

Cheapest flights from Helsinki to Washington, D.C.

Wed 11/44:05 pm -
1 stop32h 10m
Thu 11/128:30 pm -
1 stop31h 05m
Deal found 9/20$382
Wed 11/44:05 pm -
1 stop32h 10m
Sat 11/148:30 pm -
2 stops34h 00m
Deal found 9/20$384
Thu 11/56:15 am -
1 stop18h 00m
Thu 11/128:30 pm -
2 stops31h 05m
Deal found 9/20$398
Wed 11/184:05 pm -
1 stop32h 10m
Sat 12/58:30 pm -
1 stop31h 05m
Deal found 9/20$405
Wed 11/44:05 pm -
1 stop32h 10m
Wed 11/118:30 pm -
2 stops20h 20m
Deal found 9/20$412
Thu 11/56:15 am -
1 stop18h 00m
Sat 11/148:30 pm -
1 stop31h 05m
Deal found 9/20$413
Tue 11/39:00 pm -
1 stop27h 15m
Mon 11/98:30 pm -
2 stops20h 20m
Deal found 9/20$416
Wed 11/44:05 pm -
1 stop32h 10m
Mon 11/98:30 pm -
2 stops20h 20m
Deal found 9/20$418
Thu 11/56:15 am -
1 stop18h 00m
Wed 11/188:30 pm -
1 stop16h 50m
Deal found 9/20$507
Thu 10/154:25 pm -
1 stop14h 34m
Wed 10/282:45 pm -
1 stop17h 10m
Deal found 9/23$557
Thu 10/154:25 pm -
1 stop14h 51m
Thu 10/297:17 am -
1 stop24h 53m
Deal found 9/23$559
Thu 11/54:50 pm -
1 stop23h 10m
Wed 11/182:51 pm -
1 stop16h 04m
Deal found 9/20$561

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$370
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$717
Provider with most accurate pricing for Helsinki-Vantaa-Washington, D.C. (WAS) flight deals.
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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
Highest demand for flights based on searches. 20% potential increase in price ($166 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Wed 2/3

11:15 am-5:15 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$436

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Wed 2/3

6:40 am-11:02 pm

2 stops23h 22m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$441

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Tue 11/3

9:30 pm-5:15 pm

2 stops50h 45m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$509

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Wed 1/6

9:45 pm-2:45 pm

3 stops48h 00m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$540

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - DCA Washington, D.C. Reagan-National

HELDCA

Helsinki-Vantaa

Thu 10/15

4:25 pm-11:59 pm

1 stop14h 34m

Washington, D.C. Reagan-National

Wed 10/28

2:45 pm-1:55 pm

1 stop17h 10m

$559

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - DCA Washington, D.C. Reagan-National

HELDCA

Helsinki-Vantaa

Thu 11/5

4:50 pm-9:00 am

1 stop23h 10m

Washington, D.C. Reagan-National

Wed 11/18

2:51 pm-1:55 pm

1 stop16h 04m

$561

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - DCA Washington, D.C. Reagan-National

HELDCA

Helsinki-Vantaa

Thu 10/15

4:25 pm-11:59 pm

1 stop14h 34m

Washington, D.C. Reagan-National

Thu 10/22

5:57 pm-2:00 pm

1 stop13h 03m

$569

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - DCA Washington, D.C. Reagan-National

HELDCA

Helsinki-Vantaa

Thu 11/5

4:50 pm-8:14 am

1 stop22h 24m

Washington, D.C. Reagan-National

Thu 11/12

5:12 pm-1:55 pm

1 stop13h 43m

$569

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - DCA Washington, D.C. Reagan-National

HELDCA

Helsinki-Vantaa

Fri 11/13

4:50 pm-8:04 am

1 stop22h 14m

Washington, D.C. Reagan-National

Mon 11/23

2:58 pm-1:55 pm

1 stop15h 57m

$569

HelsinkiBaltimore

HEL Helsinki-Vantaa - BWI Baltimore/Washington

HELBWI

Helsinki-Vantaa

Tue 11/3

5:30 am-6:40 pm

2 stops20h 10m

Baltimore/Washington

Wed 12/31

12:00 am-7:00 am

Nonstop0h 00m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Showing 1-10 of 55 resultsSorted by cheapest first
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Compare providers for flights from Helsinki to Washington, D.C.

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 September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Helsinki-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helsinki-Washington, D.C. flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

Cheapflights Insights

Everything you need to know about your flight from Helsinki to Washington, D.C.

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

Currently, February is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $515). Flying from Helsinki to Washington, D.C. in July is currently the most expensive (average of $817). 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 much does it cost to fly round-trip from Helsinki to Washington, D.C.?

Airfare is below average for this route at the moment.
Helsinki to Washington, D.C. flights typically cost between $520 and $724 in February.
The cheapest round-trip price found within the last 5 days was $370 on Scandinavian Airlines (Feb 18-Feb 27).

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

Booking 38 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.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown 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.
Icelandair
6.9
Okay
749 reviews

Entertainment

6.9

Boarding

7.2

Comfort

6.9

Food

6.1

Crew

8.0

Overall

6.9

Reviews

1 / 20
10.0
Excellent

Victoria,Sep 2026

KEF - EWR

Icelandair was excellent. Kayak business not so much. As mentioned in our comment through pilot, there were hidden fees when we bought the tickets.
Icelandair
6.9
Okay
749 reviews
Icelandair
6.9
Okay
749 reviews

Entertainment

6.9

Boarding

7.2

Comfort

6.9

Food

6.1

Crew

8.0

Overall

6.9

Reviews

1 / 20
10.0
Excellent

Victoria,Sep 2026

KEF - EWR

Icelandair was excellent. Kayak business not so much. As mentioned in our comment through pilot, there were hidden fees when we bought the tickets.

Related info for your journey

  • 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 30m. Finnair provides one of the quickest options available for as low as $652. 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 $442, Scandinavian Airlines will fly you from Helsinki to Washington, D.C. and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Icelandair for as low as $466. Users have found that Scandinavian Airlines is 31% 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, February is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $515). Flying from Helsinki to Washington, D.C. in July is currently the most expensive (average of $817). 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
Arlington
Owings Mills
Lanham
Tysons
Woodbridge
Reston
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley
Silver Spring
Largo

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Helsinki to Washington, D.C.

Helsinki to Dulles Intl flights

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

AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$442Average$564FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$446Average$736FlexibilityNo cancel feeOn-time76%

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