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 is the cheapest day to fly from Washington, D.C. to Helsinki?

Travelers seeking maximum savings on their Washington, D.C. to Helsinki flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

If weather is an important factor for your trip to Helsinki, 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 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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

When deciding which route to take from Washington, D.C. to Helsinki consider Washington, D.C. Dulles Intl - Helsinki-Vantaa, Baltimore/Washington - Helsinki-Vantaa or Washington, D.C. Reagan-National - Helsinki-Vantaa as they are the most popular.

What are the most popular airlines that fly from Washington, D.C. to Helsinki?

When booking a flight from Washington, D.C. to Helsinki, you may want to consider flying on Air France, British Airways or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from Washington, D.C. to Helsinki?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 89% on the overall cost on flights from Washington, D.C. to Helsinki.

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

To save up to 54% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. to Helsinki from $573 1-2 weeks out and tickets from $573 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington, D.C. to Helsinki?

November can be a great time to fly to Helsinki from Washington, D.C. with a flight ticket averaging about $556. Cheapflights users have found deals in the month of November for as cheap as $349. The most expensive prices can be found in the month of June.

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.

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.

$247+ Flights from Washington, D.C. to Helsinki

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1. Tell us where you want to go

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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

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

Search Deals

One-way flight from Washington, D.C. (WAS) to Helsinki-Vantaa

Search Deals

Highest demand for flights based on searches. 25% potential increase in price ($186 potential increase over avg. RT price).

Search Deals

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 July 2025

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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.

Mon 12/17:30 pmBWI - HEL

1 stop10h 25mIcelandair

Sun 12/141:55 pmHEL - BWI

1 stop11h 35mIcelandair

Deal found 7/1

$366

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

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

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

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

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

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

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

Fri 11/2811:10 pmIAD - HEL

1 stop12h 30mLufthansa

Sun 12/142:00 pmHEL - IAD

1 stop32h 50mLufthansa

Deal found 6/30

$516

Fri 11/2812:30 pmIAD - HEL

2 stops20h 30mDelta

Fri 12/56:30 amHEL - IAD

1 stop17h 05mDelta

Deal found 7/2

$522

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

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

Best flights from Washington, D.C. to Helsinki
Discover carefully curated flight deals from Washington, D.C. to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Mon 12/17:30 pmBWI - HEL

1 stop10h 25mIcelandair

Sun 12/141:55 pmHEL - BWI

1 stop11h 35mIcelandair

Deal found 7/1

$366

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

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

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

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

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

Fri 11/2811:10 pmIAD - HEL

1 stop12h 30mLufthansa

Sun 12/142:00 pmHEL - IAD

1 stop32h 50mLufthansa

Deal found 6/30

$516

Fri 11/2812:30 pmIAD - HEL

2 stops20h 30mDelta

Fri 12/56:30 amHEL - IAD

1 stop17h 05mDelta

Deal found 7/2

$522

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

Sun 11/306:00 pmIAD - HEL

2 stops17h 40mAustrian Airlines

Sat 12/1312:45 pmHEL - IAD

2 stops32h 55mAustrian Airlines

Deal found 6/30

$539

Sun 11/305:58 pmDCA - HEL

1 stop12h 57mFinnair

Tue 12/164:50 pmHEL - DCA

1 stop12h 48mFinnair

Deal found 6/30

$662

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

Last-minute flights from Washington, D.C. to Helsinki
Discover last-minute flight deals from Washington, D.C. to Helsinki. Data last updated July 3, 2025 and is based on user searches.

Tue 7/810:59 amBWI - HEL

2 stops22h 51mUnited Airlines

Tue 7/156:10 amHEL - BWI

2 stops22h 32mUnited Airlines

Deal found 7/1

$2,043

Wed 7/97:10 amBWI - HEL

3 stops21h 10mMultiple Airlines

Fri 7/187:35 pmHEL - BWI

3 stops35h 15mMultiple Airlines

Deal found 7/2

$1,147

Wed 7/910:20 pmIAD - HEL

1 stop18h 30mLufthansa

Sat 7/197:40 pmHEL - IAD

1 stop30h 45mLufthansa

Deal found 7/2

$2,084

Thu 7/106:30 pmIAD - HEL

1 stop21h 50mMultiple Airlines

Wed 7/167:00 amHEL - IAD

1 stop15h 35mMultiple Airlines

Deal found 7/1

$756

Thu 7/1012:10 pmDCA - HEL

2 stops17h 50mDelta

Wed 7/161:55 pmHEL - DCA

2 stops16h 40mDelta

Deal found 7/1

$802

Thu 7/1012:12 pmIAD - HEL

2 stops17h 48mDelta

Wed 7/167:00 amHEL - IAD

1 stop15h 35mDelta

Deal found 7/1

$883

Thu 7/108:25 amIAD - HEL

2 stops21h 25mUnited Airlines

Wed 7/166:00 amHEL - IAD

2 stops21h 00mUnited Airlines

Deal found 7/1

$967

Thu 7/105:26 pmBWI - HEL

2 stops16h 14mDelta

Wed 7/161:55 pmHEL - BWI

2 stops15h 09mDelta

Deal found 7/1

$981

Thu 7/108:30 pmBWI - HEL

1 stop10h 30mIcelandair

Wed 7/1611:55 amHEL - BWI

2 stops38h 30mIcelandair

Deal found 7/1

$1,068

Thu 7/102:54 pmDCA - HEL

2 stops14h 26mBritish Airways

Wed 7/165:15 pmHEL - DCA

1 stop12h 56mBritish Airways

Deal found 7/1

$1,298

Thu 7/101:25 pmDCA - HEL

3 stops20h 05mScandinavian Airlines

Wed 7/169:35 amHEL - DCA

3 stops21h 00mScandinavian Airlines

Deal found 7/1

$1,402

Thu 7/103:54 pmDCA - HEL

1 stop15h 21mAmerican Airlines

Wed 7/165:15 pmHEL - DCA

1 stop21h 34mAmerican Airlines

Deal found 7/1

$1,457

One-way flights from Washington, D.C. to Helsinki
Search for one-way flight options from Washington, D.C. to Helsinki. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 8/67:10 amBWI - HEL

2 stops47h 50mMultiple Airlines

Deal found 6/30

$247

Tue 8/1210:20 pmIAD - HEL

2 stops29h 15mMultiple Airlines

Deal found 7/3

$264

Tue 8/128:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 7/3

$365

Tue 9/28:30 pmBWI - HEL

1 stop10h 30mIcelandair

Deal found 7/1

$382

Mon 8/410:20 pmIAD - HEL

1 stop13h 35mLufthansa

Deal found 6/30

$393

Tue 8/124:30 pmDCA - HEL

2 stops19h 25mAir Canada

Deal found 7/3

$397

Sun 8/104:30 pmDCA - HEL

2 stops25h 10mUnited Airlines

Deal found 7/3

$401

Sun 8/107:20 pmDCA - HEL

1 stop11h 40mFinnair

Deal found 7/3

$404

Tue 8/51:03 pmIAD - HEL

2 stops22h 52mAir Canada

Deal found 6/30

$415

Sun 8/317:20 pmDCA - HEL

1 stop11h 40mAmerican Airlines

Deal found 7/1

$444

Thu 8/2811:35 amBWI - HEL

2 stops22h 05mDelta

Deal found 7/1

$463

Fri 8/2911:00 amDCA - HEL

2 stops16h 35mDelta

Deal found 7/1

$463

Cheapflights Fare Finder

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

Fly from

Fly to

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

...

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?

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?

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

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.

Delta

8.0

Very good

7,982 reviews

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!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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!

Austrian Airlines

7.6

Good

809 reviews

Delta

8.0

Very good

7,982 reviews

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!

Finnair

7.6

Good

1,306 reviews

Delta

8.0

Very good

7,982 reviews

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!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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!

Scandinavian Airlines

7.3

Good

1,416 reviews

Delta

8.0

Very good

7,982 reviews

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

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?
When deciding which route to take from Washington, D.C. to Helsinki consider Washington, D.C. Dulles Intl - Helsinki-Vantaa, Baltimore/Washington - Helsinki-Vantaa or Washington, D.C. Reagan-National - Helsinki-Vantaa as they are the most popular.
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

Vantaa

Lahti

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Alternative routes for Washington, D.C. to Helsinki

Dulles Intl to Helsinki flights

Reagan-National to Helsinki flights

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Dulles Intl to Tampere flights

Other flights to Helsinki

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

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$355	Average$502	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$420	Average$656	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$426	Average$859	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$430	Average$715	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$473	Average$803	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$486	Average$782	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$526	Average$732	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$529	Average$1,050	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$534	Average$564	FlexibilityNo cancel fee	On-time77%

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$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.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Washington, D.C. to HelsinkiExplore 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.

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.

Cheapflights Fare Finder

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

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.

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.

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

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.

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

Reviews of airlines servicing Helsinki

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.

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.?

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

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

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?

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

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

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

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Alternative routes for Washington, D.C. to Helsinki

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

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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.