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 $445. Other airlines that can offer you cheap pricing are Delta, from $512, and Lufthansa, from $551. These flights start at 21% 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 $409. Users have also found prices from $423 and $427 on Air France and Delta, 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. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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. Reagan-National - Helsinki-Vantaa, Washington, D.C. Dulles Intl - Helsinki-Vantaa or Baltimore/Washington - 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 79% on this flight, we recommend booking at least 61 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 $665 1-2 weeks out and tickets from $665 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 $564. 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.

Most accurate provider : When it comes to deals on Washington, D.C.-Helsinki flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Helsinki flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Helsinki flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Helsinki flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C.-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 8 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.

$334+ Flights from Washington, D.C. to Helsinki

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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.

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$445 (Icelandair)
One-way from	$334 (Kiwi.com)
Popular in	June
Cheapest in	November
Average price	$545

Provider with most accurate pricing for Washington, D.C. (WAS)-Helsinki-Vantaa flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Helsinki-Vantaa flights.

Search Deals

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. 29% potential increase in price ($230 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 17, 2025.

Wed 11/197:30 pmBWI - HEL

1 stop10h 30mIcelandair

Fri 11/282:00 pmHEL - BWI

1 stop11h 30mIcelandair

Deal found 4/17

$410

Sun 5/118:30 pmIAD - HEL

1 stop10h 30mIcelandair

Tue 5/273:00 pmHEL - IAD

1 stop11h 20mIcelandair

Deal found 4/16

$462

Wed 4/236:30 pmIAD - HEL

1 stop15h 10mDelta

Tue 4/297:15 amHEL - IAD

2 stops19h 38mDelta

Deal found 4/16

$512

Wed 11/2611:30 amIAD - HEL

1 stop16h 15mAmerican Airlines

Fri 12/512:30 pmHEL - IAD

1 stop16h 44mAmerican Airlines

Deal found 4/17

$521

Wed 11/2611:54 amDCA - HEL

1 stop15h 51mAmerican Airlines

Fri 12/512:30 pmHEL - DCA

1 stop15h 30mAmerican Airlines

Deal found 4/17

$521

Sun 8/3110:05 pmIAD - HEL

1 stop29h 30mScandinavian Airlines

Wed 9/107:10 amHEL - IAD

2 stops19h 49mScandinavian Airlines

Deal found 4/16

$524

Wed 11/196:15 pmIAD - HEL

2 stops22h 00mBritish Airways

Fri 11/287:50 amHEL - IAD

1 stop14h 45mBritish Airways

Deal found 4/17

$541

Wed 11/198:30 pmBWI - HEL

2 stops31h 40mBritish Airways

Fri 11/287:50 amHEL - BWI

1 stop17h 55mBritish Airways

Deal found 4/17

$541

Wed 11/1910:20 pmIAD - HEL

1 stop13h 20mMultiple Airlines

Thu 11/277:00 amHEL - IAD

2 stops15h 51mMultiple Airlines

Deal found 4/17

$545

Wed 8/610:20 pmIAD - HEL

1 stop13h 35mLufthansa

Sat 8/236:10 amHEL - IAD

2 stops21h 59mLufthansa

Deal found 4/15

$546

Tue 5/69:45 amIAD - HEL

2 stops20h 05mUnited Airlines

Sun 8/246:00 amHEL - IAD

1 stop20h 25mUnited Airlines

Deal found 4/16

$555

Mon 5/125:25 pmIAD - HEL

1 stop23h 55mKLM

Sun 5/257:00 amHEL - IAD

1 stop15h 35mKLM

Deal found 4/17

$561

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 April 17, 2025.

Thu 8/218:30 pmBWI - HEL

1 stop10h 30mIcelandair

Sun 11/232:00 pmHEL - BWI

1 stop11h 30mIcelandair

Deal found 4/17

$445

Wed 4/236:30 pmIAD - HEL

1 stop15h 10mDelta

Tue 4/297:15 amHEL - IAD

2 stops19h 38mDelta

Deal found 4/16

$512

Sun 4/279:20 pmIAD - HEL

1 stop12h 20mMultiple Airlines

Sat 5/31:55 pmHEL - IAD

1 stop32h 40mMultiple Airlines

Deal found 4/16

$549

Mon 5/510:20 pmIAD - HEL

1 stop13h 35mLufthansa

Sun 8/246:00 amHEL - IAD

1 stop20h 25mLufthansa

Deal found 4/16

$551

Tue 5/69:45 amIAD - HEL

2 stops20h 05mUnited Airlines

Tue 8/266:00 amHEL - IAD

1 stop20h 25mUnited Airlines

Deal found 4/16

$555

Mon 5/125:25 pmIAD - HEL

1 stop23h 55mKLM

Sun 5/257:00 amHEL - IAD

1 stop15h 35mKLM

Deal found 4/17

$561

Fri 8/229:20 pmBWI - HEL

1 stop18h 40mBritish Airways

Mon 11/247:35 pmHEL - BWI

1 stop30h 10mBritish Airways

Deal found 4/17

$573

Sun 5/116:59 amDCA - HEL

2 stops22h 51mAir Canada

Tue 5/276:10 amHEL - DCA

2 stops40h 39mAir Canada

Deal found 4/16

$585

Thu 5/111:54 amDCA - HEL

1 stop15h 51mAmerican Airlines

Mon 5/54:50 pmHEL - DCA

1 stop14h 56mAmerican Airlines

Deal found 4/15

$623

Mon 6/3010:05 pmIAD - HEL

2 stops27h 55mScandinavian Airlines

Tue 7/225:05 pmHEL - IAD

2 stops33h 54mScandinavian Airlines

Deal found 4/16

$652

Sun 4/275:25 pmIAD - HEL

2 stops23h 25mAustrian Airlines

Sat 5/312:35 pmHEL - IAD

2 stops33h 00mAustrian Airlines

Deal found 4/16

$670

Sat 5/31:30 pmIAD - HEL

1 stop22h 10mTurkish Airlines

Sat 5/107:35 pmHEL - IAD

1 stop23h 10mTurkish Airlines

Deal found 4/17

$729

Last-minute flights from Washington, D.C. to Helsinki
Discover last-minute flight deals from Washington, D.C. to Helsinki. Data last updated April 17, 2025 and is based on user searches.

Fri 4/189:20 pmIAD - HEL

1 stop12h 20mMultiple Airlines

Sun 4/271:55 pmHEL - IAD

1 stop32h 40mMultiple Airlines

Deal found 4/17

$548

Fri 4/185:47 pmDCA - HEL

2 stops15h 53mDelta

Sun 4/277:00 amHEL - DCA

2 stops18h 59mDelta

Deal found 4/17

$563

Fri 4/1812:47 pmBWI - HEL

2 stops17h 13mDelta

Sun 4/277:00 amHEL - BWI

2 stops16h 50mDelta

Deal found 4/17

$569

Fri 4/1812:00 pmDCA - HEL

2 stops23h 55mUnited Airlines

Sun 4/276:10 amHEL - DCA

2 stops18h 53mUnited Airlines

Deal found 4/17

$621

Wed 4/236:30 pmIAD - HEL

1 stop15h 10mDelta

Tue 4/297:15 amHEL - IAD

2 stops19h 38mDelta

Deal found 4/16

$512

Wed 4/234:45 pmBWI - HEL

2 stops16h 55mMultiple Airlines

Tue 4/291:55 pmHEL - BWI

2 stops17h 46mMultiple Airlines

Deal found 4/17

$563

Wed 4/236:15 amBWI - HEL

1 stop21h 30mAmerican Airlines

Tue 4/294:25 pmHEL - BWI

1 stop24h 54mAmerican Airlines

Deal found 4/17

$795

Thu 4/246:00 amDCA - HEL

2 stops27h 40mAir Canada

Mon 4/286:10 amHEL - DCA

2 stops21h 58mAir Canada

Deal found 4/17

$613

Thu 4/248:30 pmBWI - HEL

1 stop10h 30mIcelandair

Mon 4/283:00 pmHEL - BWI

1 stop11h 25mIcelandair

Deal found 4/17

$762

Sat 4/268:40 amIAD - HEL

2 stops21h 10mUnited Airlines

Fri 5/21:35 pmHEL - IAD

1 stop30h 55mUnited Airlines

Deal found 4/17

$650

Sat 4/261:30 pmIAD - HEL

1 stop15h 10mTurkish Airlines

Fri 5/212:35 pmHEL - IAD

1 stop30h 10mTurkish Airlines

Deal found 4/17

$681

Sat 4/263:50 pmDCA - HEL

2 stops17h 50mDelta

Fri 5/27:00 amHEL - DCA

2 stops17h 59mDelta

Deal found 4/17

$762

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 April 17, 2025.

Fri 8/228:30 pmBWI - HEL

2 stops18h 55mMultiple Airlines

Deal found 4/17

$334

Sun 6/111:35 amIAD - HEL

3 stops42h 05mMultiple Airlines

Deal found 4/17

$407

Mon 6/28:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 4/17

$409

Thu 5/16:30 pmIAD - HEL

1 stop15h 10mAir France

Deal found 4/15

$423

Thu 5/16:55 pmDCA - HEL

2 stops14h 45mDelta

Deal found 4/15

$427

Mon 6/28:30 pmBWI - HEL

1 stop10h 30mIcelandair

Deal found 4/17

$430

Sun 7/137:00 amDCA - HEL

2 stops24h 00mMultiple Airlines

Deal found 4/17

$469

Sun 8/37:20 pmBWI - HEL

2 stops15h 20mDelta

Deal found 4/17

$493

Thu 5/16:05 pmDCA - HEL

1 stop12h 55mFinnair

Deal found 4/15

$499

Thu 5/2212:20 pmIAD - HEL

2 stops17h 40mDelta

Deal found 4/16

$537

Thu 6/510:05 pmIAD - HEL

1 stop19h 00mScandinavian Airlines

Deal found 4/17

$549

Sun 7/133:54 pmDCA - HEL

1 stop15h 21mAmerican Airlines

Deal found 4/17

$608

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

Thu 8/21

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Thu 11/27

2:00 pm-6:30 pm

1 stop11h 30m

$445

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 5/11

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Tue 5/27

3:00 pm-7:20 pm

1 stop11h 20m

$462

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 8/31

10:05 pm-10:35 am

1 stop29h 30m

Helsinki-Vantaa

Wed 9/10

7:10 am-7:59 pm

2 stops19h 49m

$524

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 9/30

12:30 pm-12:50 pm

2 stops17h 20m

Helsinki-Vantaa

Thu 10/23

7:10 am-4:31 pm

2 stops16h 21m

$535

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 8/6

10:20 pm-6:55 pm

1 stop13h 35m

Helsinki-Vantaa

Sat 8/23

6:10 am-9:09 pm

2 stops21h 59m

$546

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 5/6

9:45 am-12:50 pm

2 stops20h 05m

Helsinki-Vantaa

Tue 8/26

6:00 am-7:25 pm

1 stop20h 25m

$555

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 5/12

5:25 pm-12:20 am

1 stop23h 55m

Helsinki-Vantaa

Sun 5/25

7:00 am-3:35 pm

1 stop15h 35m

$561

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Thu 8/21

10:45 am-6:55 pm

2 stops25h 10m

Helsinki-Vantaa

Mon 11/24

6:50 am-10:19 am

2 stops34h 29m

$566

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 5/11

10:20 pm-11:50 pm

1 stop18h 30m

Helsinki-Vantaa

Tue 5/27

6:10 am-11:14 am

2 stops36h 04m

$572

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Fri 8/22

9:20 pm-11:00 pm

1 stop18h 40m

Helsinki-Vantaa

Mon 11/24

7:35 pm-6:45 pm

1 stop30h 10m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 53 results

...

Compare providers for flights from Washington, D.C. to Helsinki

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Helsinki in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust 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 Washington, D.C.-Helsinki flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Helsinki flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Helsinki flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Helsinki flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C.-Helsinki 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 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 $1,123). 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.

Rainfall in Helsinki by month

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.

Temperature in Helsinki by month

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).

Reviews of airlines servicing Helsinki

Read reviews from past customers who have flown Delta, KLM and Finnair from Washington, D.C. to Helsinki. 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

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,916 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,327 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

775 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very good

7,916 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 8 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 $445. Other airlines that can offer you cheap pricing are Delta, from $512, and Lufthansa, from $551. These flights start at 21% 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 $409. Users have also found prices from $423 and $427 on Air France and Delta, 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. Reagan-National - Helsinki-Vantaa, Washington, D.C. Dulles Intl - Helsinki-Vantaa or Baltimore/Washington - 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 $1,123). 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

Espoo

Lahti

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Helsinki

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Other flights to Helsinki

Top 8 airlines flying from Washington, D.C. to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$356	Average$501	FlexibilityNo cancel fee	On-time76%
Scandinavian Airlines	Cheapest$400	Average$640	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$426	Average$708	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$483	Average$826	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$494	Average$822	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$520	Average$732	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$529	Average$931	FlexibilityNo cancel fee	On-time75%
Air France	Cheapest$534	Average$687	FlexibilityNo cancel fee	On-time77%

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$334+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

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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

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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 April 17, 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 April 17, 2025.

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Compare providers for flights from Washington, D.C. to Helsinki

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 Washington, D.C. to Helsinki in April.

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 April 11, 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 April 17, 2025.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

Reviews of airlines servicing Helsinki

Read reviews from past customers who have flown Delta, KLM and Finnair from Washington, D.C. to Helsinki. In addition to providing an overall rating, users have also rated airlines 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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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 April 17, 2025.