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Washington, D.C.

$347+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — WAS
mai 4 — mai 111
dim. 5/4
dim. 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Helsinki-Vantaa to Washington, D.C. are usually found in February or March, booked 49 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap 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 avril 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$517
(Ticket)

One-way from

$347
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$609
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.
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From Helsinki-Vantaa to Washington, D.C. (WAS)
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One-way flight from Helsinki-Vantaa to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 18% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 avril 29, 2025.

This Ticket deal was found by Cheapflights users on 4/29. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/93:00 pmHEL - IAD
1 stop11h 20mIcelandair
dim. 5/258:30 pmIAD - HEL
1 stop10h 30mIcelandair
Deal found 4/29$517
This Ticket deal was found by Cheapflights users on 4/28. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/196:25 pmHEL - IAD
1 stop28h 10mMultiple Airlines
mar. 6/36:30 pmIAD - HEL
1 stop21h 50mMultiple Airlines
Deal found 4/28$518
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/276:10 amHEL - DCA
2 stops16h 39mUnited Airlines
mar. 6/33:00 pmDCA - HEL
2 stops13h 55mUnited Airlines
Deal found 4/27$526
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 5/221:55 pmHEL - DCA
2 stops15h 50mDelta
mer. 6/46:55 pmDCA - HEL
2 stops14h 45mDelta
Deal found 4/29$544
This KLM deal was found by Cheapflights users on 4/27. 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.
dim. 5/111:55 pmHEL - IAD
1 stop32h 40mKLM
dim. 5/185:25 pmIAD - HEL
1 stop23h 55mKLM
Deal found 4/27$544
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/97:00 amHEL - IAD
2 stops19h 39mDelta
dim. 5/255:25 pmIAD - HEL
1 stop12h 35mDelta
Deal found 4/28$549
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/196:10 amHEL - IAD
1 stop16h 40mUnited Airlines
lun. 5/2612:35 pmIAD - HEL
2 stops16h 15mUnited Airlines
Deal found 4/28$552
This Ticket deal was found by Cheapflights users on 4/29. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/116:10 amHEL - DCA
2 stops22h 43mAir Canada
lun. 5/269:40 amDCA - HEL
2 stops20h 10mAir Canada
Deal found 4/29$553
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/267:00 amHEL - BWI
2 stops23h 58mDelta
lun. 6/22:29 pmBWI - HEL
2 stops20h 11mDelta
Deal found 4/28$556
This Flightnetwork deal was found by Cheapflights users on 4/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/116:10 amHEL - IAD
2 stops21h 58mAir Canada
lun. 5/2610:25 amIAD - HEL
2 stops19h 25mAir Canada
Deal found 4/29$568
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/194:25 pmHEL - DCA
1 stop13h 53mAmerican Airlines
mar. 6/35:49 pmDCA - HEL
1 stop13h 11mAmerican Airlines
Deal found 4/28$577
This Finnair deal was found by Cheapflights users on 4/27. 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.
mar. 5/2712:35 pmHEL - DCA
1 stop17h 29mMultiple Airlines
mar. 6/35:49 pmDCA - HEL
1 stop13h 11mMultiple Airlines
Deal found 4/27$581

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 avril 29, 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

ven. 5/9

3:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

dim. 5/25

8:30 pm-2:00 pm

1 stop10h 30m

$517

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

lun. 5/19

6:25 pm-3:35 pm

1 stop28h 10m

Washington, D.C. Dulles Intl

mar. 6/3

6:30 pm-11:20 pm

1 stop21h 50m

$518

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

mar. 5/27

6:10 am-3:49 pm

2 stops16h 39m

Washington, D.C. Reagan-National

mar. 6/3

3:00 pm-11:55 am

2 stops13h 55m

$526

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

jeu. 5/22

1:55 pm-10:45 pm

2 stops15h 50m

Washington, D.C. Reagan-National

mer. 6/4

6:55 pm-4:40 pm

2 stops14h 45m

$544

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

dim. 5/11

7:00 am-7:39 pm

2 stops19h 39m

Washington, D.C. Dulles Intl

lun. 5/26

6:30 pm-4:40 pm

1 stop15h 10m

$544

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

lun. 5/19

6:10 am-3:50 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

lun. 5/26

12:35 pm-11:50 am

2 stops16h 15m

$552

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

dim. 5/11

6:10 am-9:53 pm

2 stops22h 43m

Washington, D.C. Reagan-National

lun. 5/26

9:40 am-12:50 pm

2 stops20h 10m

$553

HelsinkiBaltimore

HEL - BWI

HELBWI

Helsinki-Vantaa

lun. 5/26

7:00 am-11:58 pm

2 stops23h 58m

Baltimore/Washington

lun. 6/2

2:29 pm-5:40 pm

2 stops20h 11m

$556

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

dim. 5/11

6:10 am-9:08 pm

2 stops21h 58m

Washington, D.C. Dulles Intl

lun. 5/26

10:25 am-12:50 pm

2 stops19h 25m

$568

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

lun. 5/19

4:25 pm-11:18 pm

1 stop13h 53m

Washington, D.C. Reagan-National

mar. 6/3

5:49 pm-2:00 pm

1 stop13h 11m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 38 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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 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 April 25, 2025.

Booking 14 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, August is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $309). Flying from Helsinki to Washington, D.C. in June is currently the most expensive (average of $373). 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 avril 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Helsinki to Washington, D.C. in the afternoon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 avril 29, 2025.
See what other customers who have flown with Delta, KLM and Finnair from Helsinki to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 1 airline. Helsinki-Vantaa is conveniently located just 10.6 mi from Helsinki’s city center.

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

    Currently priced at $517, 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. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $526 and $544, respectively. Users have found that Icelandair is 26% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $579. However, be on the lookout for offers from British Airways and Icelandair, as they are both options that can get you from Helsinki to Washington, D.C. for a low price.

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

    Most travelers choose Helsinki-Vantaa - Baltimore/Washington, Helsinki-Vantaa - Washington, D.C. Reagan-National or Helsinki-Vantaa - Washington, D.C. Dulles Intl 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, August is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $309). Flying from Helsinki to Washington, D.C. in June is currently the most expensive (average of $373). 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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Browse thousands of different options on Cheapflights for your next trip

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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 airline flying from Helsinki to Washington, D.C.

Discover the top airline 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 avril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$382Average$801FlexibilityNo cancel feeOn-time76%

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