Helsinki

$247+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HEL
Jul 8 — Jul 151
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Cheapflights Tip: The best prices from Washington, D.C. to Helsinki-Vantaa are usually found in November or February, booked 66 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 July 3, 2025.

Round-trip from

$366
(Mytrip)

One-way from

$247
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$710
From Washington, D.C. (WAS) to Helsinki-Vantaa
One-way flight from Washington, D.C. (WAS) to Helsinki-Vantaa
Highest demand for flights based on searches. 25% potential increase in price ($186 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:30 pmBWI - HEL
1 stop10h 25mIcelandair
Sun 12/141:55 pmHEL - BWI
1 stop11h 35mIcelandair
Deal found 7/1$366
This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:35 pmBWI - HEL
1 stop19h 30mBritish Airways
Fri 12/57:50 amHEL - BWI
1 stop17h 55mBritish Airways
Deal found 7/1$476
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 10/281:38 pmBWI - HEL
1 stop15h 07mAmerican Airlines
Mon 11/312:30 pmHEL - BWI
1 stop16h 55mAmerican Airlines
Deal found 6/30$482
This Finnair deal was found by Cheapflights users on 7/2. 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 11/282:07 pmBWI - HEL
2 stops16h 48mMultiple Airlines
Fri 12/54:50 pmHEL - BWI
2 stops26h 40mMultiple Airlines
Deal found 7/2$486
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 9/257:23 pmDCA - HEL
1 stop11h 37mAmerican Airlines
Sun 9/285:15 pmHEL - DCA
1 stop12h 52mAmerican Airlines
Deal found 7/3$512
This oojo deal was found by Cheapflights users on 7/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:05 pmIAD - HEL
2 stops27h 55mScandinavian Airlines
Wed 8/136:20 pmHEL - IAD
2 stops32h 39mScandinavian Airlines
Deal found 7/2$514
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/309:00 amIAD - HEL
2 stops21h 10mAir Canada
Sun 12/1412:45 pmHEL - IAD
2 stops39h 35mAir Canada
Deal found 6/30$515
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:59 amDCA - HEL
2 stops23h 11mAir Canada
Sun 12/1412:45 pmHEL - DCA
2 stops36h 20mAir Canada
Deal found 6/30$515
This Lufthansa deal was found by Cheapflights users on 6/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:10 pmIAD - HEL
1 stop12h 30mLufthansa
Sun 12/142:00 pmHEL - IAD
1 stop32h 50mLufthansa
Deal found 6/30$516
This Delta deal was found by Cheapflights users on 7/2. 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.
Fri 11/2812:30 pmIAD - HEL
2 stops20h 30mDelta
Fri 12/56:30 amHEL - IAD
1 stop17h 05mDelta
Deal found 7/2$522
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 11/281:20 pmIAD - HEL
2 stops16h 55mUnited Airlines
Fri 12/1212:45 pmHEL - IAD
2 stops17h 20mUnited Airlines
Deal found 6/30$527
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 11/286:15 amBWI - HEL
2 stops29h 25mUnited Airlines
Sat 12/612:45 pmHEL - BWI
2 stops39h 34mUnited Airlines
Deal found 7/1$528

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 July 3, 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

Mon 12/1

7:30 pm-12:55 pm

1 stop10h 25m

Helsinki-Vantaa

Sun 12/14

1:55 pm-6:30 pm

1 stop11h 35m

$366

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Fri 11/28

8:35 pm-11:05 pm

1 stop19h 30m

Helsinki-Vantaa

Fri 12/5

7:50 am-6:45 pm

1 stop17h 55m

$476

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Tue 10/28

1:38 pm-10:45 am

1 stop15h 07m

Helsinki-Vantaa

Mon 11/3

12:30 pm-10:25 pm

1 stop16h 55m

$482

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Fri 11/28

2:07 pm-1:55 pm

2 stops16h 48m

Helsinki-Vantaa

Fri 12/5

4:50 pm-12:30 pm

2 stops26h 40m

$486

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 9/25

7:23 pm-2:00 pm

1 stop11h 37m

Helsinki-Vantaa

Sun 9/28

5:15 pm-11:07 pm

1 stop12h 52m

$512

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 8/4

10:05 pm-9:00 am

2 stops27h 55m

Helsinki-Vantaa

Wed 8/13

6:20 pm-7:59 pm

2 stops32h 39m

$514

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 11/30

9:00 am-1:10 pm

2 stops21h 10m

Helsinki-Vantaa

Sun 12/14

12:45 pm-9:20 pm

2 stops39h 35m

$515

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Sun 11/30

6:59 am-1:10 pm

2 stops23h 11m

Helsinki-Vantaa

Sun 12/14

12:45 pm-6:05 pm

2 stops36h 20m

$515

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 11/28

11:10 pm-6:40 pm

1 stop12h 30m

Helsinki-Vantaa

Sun 12/14

2:00 pm-3:50 pm

1 stop32h 50m

$516

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 11/28

12:30 pm-4:00 pm

2 stops20h 30m

Helsinki-Vantaa

Fri 12/5

6:30 am-4:35 pm

1 stop17h 05m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 41 results
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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 June 27, 2025.

The best time to book flights from Washington, D.C. to Helsinki is 66 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Helsinki (average of $444). Flying from Washington, D.C. to Helsinki in June is currently the most expensive (average of $1,084). 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 July 3, 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 27% versus a flight in the afternoon.

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

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 July 3, 2025.
Read reviews from past customers who have flown Delta, Austrian Airlines, and Finnair 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.
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 9 different airlines.

  • 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 $366. Other airlines that can offer you cheap pricing are British Airways, from $476, and American Airlines, from $482. These flights start at 34% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $365. Users have also found prices from $393 and $397 on Lufthansa and Air Canada, respectively.

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

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Helsinki (average of $444). Flying from Washington, D.C. to Helsinki in June is currently the most expensive (average of $1,084). 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
Vantaa
Lahti

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Washington, D.C. to Helsinki

Discover the top 9 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$502FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$420Average$656FlexibilityNo cancel feeOn-time77%
DeltaCheapest$426Average$859FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$430Average$715FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$473Average$803FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$486Average$782FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$526Average$732FlexibilityNo cancel feeOn-time70%
KLMCheapest$529Average$1,050FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$534Average$564FlexibilityNo cancel feeOn-time77%

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