HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$407+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — WAS
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helsinki to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 9, 2026.

This Finnair deal was found by Cheapflights users on 7/8. 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 9/34:25 pm
HEL
-
DCA
1 stop14h 34m
Multiple Airlines
Wed 9/166:19 pm
DCA
-
HEL
1 stop12h 56m
Multiple Airlines
Deal found 7/8$570
This Finnair deal was found by Cheapflights users on 7/7. 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.
Fri 8/284:25 pm
HEL
-
DCA
1 stop14h 34m
Finnair
Thu 9/106:23 pm
DCA
-
HEL
1 stop12h 37m
Finnair
Deal found 7/7$571
This Finnair deal was found by Cheapflights users on 7/7. 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.
Fri 8/285:15 pm
HEL
-
DCA
1 stop13h 18m
Finnair
Fri 9/1111:59 am
DCA
-
HEL
1 stop15h 46m
Finnair
Deal found 7/7$589
This Finnair deal was found by Cheapflights users on 7/7. 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.
Mon 11/1612:30 pm
HEL
-
IAD
1 stop17h 02m
Multiple Airlines
Tue 11/246:04 am
IAD
-
HEL
1 stop21h 26m
Multiple Airlines
Deal found 7/7$606
This Finnair deal was found by Cheapflights users on 7/5. 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 9/1012:20 pm
HEL
-
IAD
1 stop17h 32m
Multiple Airlines
Sat 9/196:52 am
IAD
-
HEL
1 stop20h 53m
Multiple Airlines
Deal found 7/5$615
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Thu 8/279:05 pm
HEL
-
IAD
1 stop26h 55m
Scandinavian Airlines
Wed 9/98:20 pm
IAD
-
HEL
1 stop17h 05m
Scandinavian Airlines
Deal found 7/4$617
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Thu 9/109:05 pm
HEL
-
IAD
1 stop26h 55m
Scandinavian Airlines
Sat 9/198:20 pm
IAD
-
HEL
1 stop31h 15m
Scandinavian Airlines
Deal found 7/5$619
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Fri 8/286:10 am
HEL
-
IAD
1 stop17h 50m
Scandinavian Airlines
Thu 9/108:20 pm
IAD
-
HEL
1 stop12h 00m
Scandinavian Airlines
Deal found 7/8$620
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Tue 8/254:00 pm
HEL
-
IAD
1 stop32h 00m
Scandinavian Airlines
Sat 8/298:20 pm
IAD
-
HEL
1 stop12h 00m
Scandinavian Airlines
Deal found 7/6$624
This Sembo deal was found by Cheapflights users on 7/4. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:00 pm
HEL
-
BWI
1 stop11h 25m
Icelandair
Wed 9/98:30 pm
BWI
-
HEL
1 stop10h 30m
Icelandair
Deal found 7/4$632
This Sembo deal was found by Cheapflights users on 7/7. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:30 pm
HEL
-
BWI
1 stop26h 55m
Icelandair
Fri 9/48:30 pm
BWI
-
HEL
1 stop10h 30m
Icelandair
Deal found 7/7$635
This Sembo deal was found by Cheapflights users on 7/5. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:10 am
HEL
-
IAD
1 stop17h 50m
Scandinavian Airlines
Sun 9/138:20 pm
IAD
-
HEL
1 stop17h 05m
Scandinavian Airlines
Deal found 7/5$635

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 July 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$571
(Finnair)

One-way from

$407
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$728
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. 11% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 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 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 July 9, 2026.
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 - DCA

HELDCA

Helsinki-Vantaa

Thu 9/3

4:25 pm-11:59 pm

1 stop14h 34m

Washington, D.C. Reagan-National

Wed 9/16

6:19 pm-2:15 pm

1 stop12h 56m

$570

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 8/28

4:25 pm-11:59 pm

1 stop14h 34m

Washington, D.C. Reagan-National

Thu 9/10

6:23 pm-2:00 pm

1 stop12h 37m

$571

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 8/27

4:25 pm-9:16 am

1 stop23h 51m

Washington, D.C. Reagan-National

Wed 9/9

3:58 pm-2:15 pm

1 stop15h 17m

$572

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 8/28

4:25 pm-9:16 am

1 stop23h 51m

Washington, D.C. Reagan-National

Thu 9/10

3:58 pm-2:15 pm

1 stop15h 17m

$572

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 8/28

5:15 pm-11:33 pm

1 stop13h 18m

Washington, D.C. Reagan-National

Fri 9/11

11:59 am-10:45 am

1 stop15h 46m

$589

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 9/10

12:20 pm-10:52 pm

1 stop17h 32m

Washington, D.C. Dulles Intl

Sat 9/19

6:52 am-10:45 am

1 stop20h 53m

$615

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 9/3

6:10 am-5:00 pm

1 stop17h 50m

Washington, D.C. Dulles Intl

Wed 9/16

8:20 pm-1:30 am

1 stop22h 10m

$631
Quickest round-trip

HelsinkiBaltimore

HEL - BWI

HELBWI

Helsinki-Vantaa

Thu 8/27

3:00 pm-7:25 pm

1 stop11h 25m

Baltimore/Washington

Wed 9/9

8:30 pm-2:00 pm

1 stop10h 30m

$632

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 8/27

11:15 am-5:00 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Wed 9/9

8:20 pm-3:45 pm

2 stops12h 25m

$642

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 8/28

7:15 am-5:00 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Thu 9/10

8:20 pm-1:30 am

1 stop22h 10m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 50 resultsSorted by cheapest first
1
2
3
...
5

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 July.
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
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.

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

Currently, September is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $355). Flying from Helsinki to Washington, D.C. in August 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.

How much does it cost to fly round-trip from Helsinki to Washington, D.C.?

How often are flights from Helsinki to Washington, D.C. delayed?

About 0% of weekly flights between Helsinki and Washington, D.C. have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Helsinki to Washington, D.C. flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

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

Booking 73 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.

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 July 9, 2026.
Read reviews from past customers who have flown 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.
Scandinavian Airlines
7.4
Good
1,874 reviews

Entertainment

6.7

Boarding

7.7

Crew

8.0

Overall

7.4

Food

6.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.
Scandinavian Airlines
7.4
Good
1,874 reviews
Scandinavian Airlines
7.4
Good
1,874 reviews

Entertainment

6.7

Boarding

7.7

Crew

8.0

Overall

7.4

Food

6.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.
Icelandair
7.0
Good
702 reviews
Scandinavian Airlines
7.4
Good
1,874 reviews

Entertainment

6.7

Boarding

7.7

Crew

8.0

Overall

7.4

Food

6.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

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 25m. Finnair provides one of the quickest options available for as low as $632. Helsinki and Washington, D.C. are separated by a distance of 4272 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 27% 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, September is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $355). Flying from Helsinki to Washington, D.C. in August 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Laurel
Silver Spring
Clinton
Hunt Valley
Cordova
Woodbridge

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 July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$442Average$553FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$466Average$736FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.