How long is the flight from Helsinki to Washington, D.C.?

A quick flight from Helsinki to Washington, D.C. can take about 11h 20m. Icelandair provides one of the quickest options available for as low as $474. Helsinki and Washington, D.C. are separated by a distance of 4308 mi. This flight may include one or multiple stops.

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

The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $486. However, be on the lookout for offers from British Airways and Finnair, as they are both options that can get you from Helsinki to Washington, D.C. for a low price.

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

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

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

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

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

Most travelers choose Helsinki-Vantaa - Washington, D.C. Dulles Intl, Helsinki-Vantaa - Washington, D.C. Reagan-National or Helsinki-Vantaa - Baltimore/Washington when deciding on the best route from Helsinki to Washington, D.C..

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

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 45% on the overall cost on flights from Helsinki to Washington, D.C..

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 15 days in advance, which can save you up to 58% on flights from Helsinki to Washington, D.C. compared to booking the week you need them. Waiting 15 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $630. For sooner than that we have options available in the next 3 days from $795.

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

February can be a great time to fly to Washington, D.C. from Helsinki with a flight ticket averaging about $637. Cheapflights users have found deals in the month of February for as cheap as $467. The most expensive prices can be found in the month of June.

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 0 airlines. Helsinki-Vantaa is conveniently located just 10.6 mi from Helsinki’s city center.

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.

$308+ Cheap Flights from Helsinki to Washington, D.C.

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

Airfare is below average for this route at the moment. Helsinki to Washington, D.C. flights typically cost between $534 and $772 in September. The cheapest round-trip price found within the last 3 days was $474 on Icelandair (Sep 17-Sep 24).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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.

Cheapflights Tip: The best prices from Helsinki-Vantaa to Washington, D.C. are usually found in February or July, booked 76 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

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

Round-trip from	$474 (Flighttix)
One-way from	$308 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$725

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. 3% potential increase in price ($19 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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

Cheapest flights from Helsinki to Washington, D.C.
Explore the most affordable flight options available from Helsinki to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Wed 9/173:00 pmHEL - IAD

1 stop11h 20mIcelandair

Wed 9/248:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 8/18

$474

Thu 10/26:35 amHEL - IAD

1 stop20h 24mScandinavian Airlines

Wed 10/1510:05 pmIAD - HEL

2 stops18h 30mScandinavian Airlines

Deal found 8/19

$477

Thu 10/91:55 pmHEL - IAD

1 stop32h 40mAir France

Sun 10/195:25 pmIAD - HEL

1 stop23h 55mAir France

Deal found 8/20

$481

Sat 10/47:00 amHEL - IAD

1 stop15h 35mDelta

Sat 10/119:20 pmIAD - HEL

1 stop12h 20mDelta

Deal found 8/19

$486

Fri 10/37:00 amHEL - IAD

1 stop15h 35mDelta

Fri 10/106:30 pmIAD - HEL

1 stop15h 10mDelta

Deal found 8/19

$487

Sun 11/21:55 pmHEL - IAD

1 stop11h 35mIcelandair

Fri 11/77:40 pmIAD - HEL

1 stop10h 15mIcelandair

Deal found 8/18

$488

Mon 10/62:05 pmHEL - IAD

1 stop13h 10mFinnair

Mon 10/2010:45 pmIAD - HEL

1 stop12h 05mFinnair

Deal found 8/18

$489

Thu 11/207:00 amHEL - DCA

2 stops16h 32mDelta

Sun 11/235:00 pmDCA - HEL

2 stops16h 25mDelta

Deal found 8/20

$492

Wed 9/176:10 amHEL - IAD

1 stop16h 40mUnited Airlines

Wed 9/2412:52 pmIAD - HEL

2 stops20h 48mUnited Airlines

Deal found 8/18

$492

Wed 9/36:10 amHEL - IAD

1 stop16h 40mLufthansa

Sun 9/710:20 pmIAD - HEL

1 stop18h 30mLufthansa

Deal found 8/18

$495

Mon 9/155:15 pmHEL - DCA

1 stop12h 52mFinnair

Mon 9/227:23 pmDCA - HEL

1 stop11h 37mFinnair

Deal found 8/19

$497

Thu 10/21:55 pmHEL - DCA

2 stops16h 47mDelta

Wed 10/1512:15 pmDCA - HEL

2 stops17h 45mDelta

Deal found 8/19

$498

Best flights from Helsinki to Washington, D.C.
Discover carefully curated flight deals from Helsinki to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2025.

Wed 9/173:00 pmHEL - IAD

1 stop11h 20mIcelandair

Wed 9/248:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 8/18

$474

Thu 10/26:35 amHEL - IAD

1 stop20h 24mScandinavian Airlines

Wed 10/1510:05 pmIAD - HEL

2 stops18h 30mScandinavian Airlines

Deal found 8/19

$477

Thu 10/91:55 pmHEL - IAD

1 stop32h 40mAir France

Sun 10/195:25 pmIAD - HEL

1 stop23h 55mAir France

Deal found 8/20

$481

Thu 11/202:05 pmHEL - IAD

1 stop33h 00mMultiple Airlines

Sun 11/236:50 pmIAD - HEL

1 stop20h 45mMultiple Airlines

Deal found 8/20

$485

Sat 10/47:00 amHEL - IAD

1 stop15h 35mDelta

Sat 10/119:20 pmIAD - HEL

1 stop12h 20mDelta

Deal found 8/19

$486

Mon 9/155:15 pmHEL - DCA

1 stop12h 52mFinnair

Mon 9/227:23 pmDCA - HEL

1 stop11h 37mFinnair

Deal found 8/20

$496

Mon 9/156:10 amHEL - BWI

2 stops18h 19mUnited Airlines

Mon 9/225:30 pmBWI - HEL

2 stops23h 55mUnited Airlines

Deal found 8/18

$523

Mon 10/67:10 amHEL - IAD

2 stops19h 49mScandinavian Airlines

Mon 10/2010:05 pmIAD - HEL

1 stop10h 20mScandinavian Airlines

Deal found 8/18

$479

Fri 10/37:00 amHEL - IAD

1 stop15h 35mDelta

Fri 10/106:30 pmIAD - HEL

1 stop15h 10mDelta

Deal found 8/19

$487

Wed 9/175:15 pmHEL - DCA

1 stop12h 52mMultiple Airlines

Wed 9/247:23 pmDCA - HEL

1 stop11h 37mMultiple Airlines

Deal found 8/18

$498

Mon 10/65:15 pmHEL - DCA

1 stop12h 42mFinnair

Mon 10/207:06 pmDCA - HEL

1 stop11h 54mFinnair

Deal found 8/18

$498

Thu 10/23:00 pmHEL - BWI

1 stop11h 25mIcelandair

Wed 10/158:30 pmBWI - HEL

1 stop10h 30mIcelandair

Deal found 8/18

$533

Last-minute flights from Helsinki to Washington, D.C.
Discover last-minute flight deals from Helsinki to Washington, D.C.. Data last updated August 20, 2025 and is based on user searches.

Wed 9/36:10 amHEL - IAD

1 stop16h 40mLufthansa

Sun 9/710:20 pmIAD - HEL

1 stop18h 30mLufthansa

Deal found 8/18

$495

Fri 9/126:10 amHEL - IAD

2 stops21h 31mUnited Airlines

Sat 10/115:25 pmIAD - HEL

1 stop12h 25mUnited Airlines

Deal found 8/20

$501

Fri 9/126:35 amHEL - IAD

1 stop20h 24mScandinavian Airlines

Sat 10/1110:05 pmIAD - HEL

1 stop10h 20mScandinavian Airlines

Deal found 8/20

$502

Mon 9/155:15 pmHEL - DCA

1 stop12h 52mFinnair

Mon 9/227:23 pmDCA - HEL

1 stop11h 37mFinnair

Deal found 8/19

$497

Mon 9/151:35 pmHEL - IAD

2 stops24h 35mUnited Airlines

Mon 9/225:25 pmIAD - HEL

1 stop12h 25mUnited Airlines

Deal found 8/18

$498

Mon 9/157:40 pmHEL - IAD

1 stop30h 45mLufthansa

Mon 9/225:25 pmIAD - HEL

1 stop12h 25mLufthansa

Deal found 8/19

$504

Mon 9/1511:55 amHEL - DCA

1 stop16h 05mAmerican Airlines

Mon 9/227:23 pmDCA - HEL

1 stop11h 37mAmerican Airlines

Deal found 8/18

$509

Mon 9/156:10 amHEL - DCA

2 stops19h 53mUnited Airlines

Mon 9/221:00 pmDCA - HEL

2 stops16h 50mUnited Airlines

Deal found 8/18

$515

Wed 9/173:00 pmHEL - IAD

1 stop11h 20mIcelandair

Wed 9/248:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 8/18

$474

Wed 9/176:10 amHEL - IAD

1 stop16h 40mUnited Airlines

Wed 9/2412:52 pmIAD - HEL

2 stops20h 48mUnited Airlines

Deal found 8/18

$492

Wed 9/175:15 pmHEL - DCA

1 stop12h 52mMultiple Airlines

Wed 9/247:23 pmDCA - HEL

1 stop11h 37mMultiple Airlines

Deal found 8/18

$498

Wed 9/176:10 amHEL - DCA

2 stops22h 41mAir Canada

Wed 9/2411:00 amDCA - HEL

2 stops18h 50mAir Canada

Deal found 8/18

$499

One-way flights from Helsinki to Washington, D.C.
Search for one-way flight options from Helsinki to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Tue 10/73:40 pmHEL - BWI

3 stops57h 00mMultiple Airlines

Deal found 8/20

$308

Sat 11/16:30 pmHEL - IAD

2 stops51h 45mMultiple Airlines

Deal found 8/18

$361

Tue 10/73:40 pmHEL - IAD

2 stops30h 40mMultiple Airlines

Deal found 8/20

$392

Sat 11/18:45 pmHEL - BWI

3 stops57h 50mMultiple Airlines

Deal found 8/18

$457

Sat 11/16:15 amHEL - IAD

1 stop19h 35mScandinavian Airlines

Deal found 8/18

$486

Thu 9/186:10 amHEL - IAD

1 stop14h 20mLufthansa

Deal found 8/18

$518

Thu 9/186:35 amHEL - IAD

1 stop20h 24mScandinavian Airlines

Deal found 8/20

$542

Sat 11/18:45 pmHEL - DCA

3 stops46h 19mMultiple Airlines

Deal found 8/18

$555

Sat 11/11:55 pmHEL - BWI

1 stop11h 45mIcelandair

Deal found 8/18

$609

Tue 10/712:35 pmHEL - IAD

1 stop30h 10mTurkish Airlines

Deal found 8/20

$637

Tue 10/75:15 pmHEL - DCA

1 stop12h 42mBritish Airways

Deal found 8/20

$690

Sat 11/14:50 pmHEL - DCA

1 stop12h 07mFinnair

Deal found 8/18

$692

Cheapflights Fare Finder

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

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 9/17

3:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Wed 9/24

8:30 pm-2:00 pm

1 stop10h 30m

$474

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 10/2

6:35 am-7:59 pm

1 stop20h 24m

Washington, D.C. Dulles Intl

Wed 10/15

10:05 pm-11:35 pm

2 stops18h 30m

$477

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 10/6

7:10 am-7:59 pm

2 stops19h 49m

Washington, D.C. Dulles Intl

Mon 10/20

10:05 pm-3:25 pm

1 stop10h 20m

$479

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 10/9

1:55 pm-3:35 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Sun 10/19

5:25 pm-12:20 am

1 stop23h 55m

$481

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 11/20

2:05 pm-4:05 pm

1 stop33h 00m

Washington, D.C. Dulles Intl

Sun 11/23

6:50 pm-10:35 pm

1 stop20h 45m

$485

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sat 10/4

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Sat 10/11

9:20 pm-4:40 pm

1 stop12h 20m

$486

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 10/3

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Fri 10/10

6:30 pm-4:40 pm

1 stop15h 10m

$487

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Fri 10/3

1:55 pm-11:41 pm

2 stops16h 46m

Washington, D.C. Reagan-National

Fri 10/10

5:00 pm-4:40 pm

2 stops16h 40m

$492

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 11/20

7:00 am-4:32 pm

2 stops16h 32m

Washington, D.C. Reagan-National

Sun 11/23

3:30 pm-4:25 pm

2 stops17h 55m

$492

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Mon 9/15

5:15 pm-11:07 pm

1 stop12h 52m

Washington, D.C. Reagan-National

Mon 9/22

7:23 pm-2:00 pm

1 stop11h 37m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 36 results

Best time to book a flight from Helsinki to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Helsinki with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Helsinki to Washington, D.C.

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

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Helsinki to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, July is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $303). Flying from Helsinki to Washington, D.C. in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HEL to WAS?

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

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

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown KLM, Finnair, and Scandinavian Airlines 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.

KLM

7.8

Good

1,388 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,388 reviews

KLM

7.8

Good

1,388 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Finnair

7.6

Good

1,320 reviews

KLM

7.8

Good

1,388 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Scandinavian Airlines

7.4

Good

1,471 reviews

KLM

7.8

Good

1,388 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Icelandair

7.0

Good

529 reviews

KLM

7.8

Good

1,388 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

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 0 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 20m. Icelandair provides one of the quickest options available for as low as $474. Helsinki and Washington, D.C. are separated by a distance of 4308 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Helsinki to Washington, D.C. one-way?
The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $486. However, be on the lookout for offers from British Airways and Finnair, as they are both options that can get you from Helsinki to Washington, D.C. for a low price.
What are the most popular routes from Helsinki to Washington, D.C.?
Most travelers choose Helsinki-Vantaa - Washington, D.C. Dulles Intl, Helsinki-Vantaa - Washington, D.C. Reagan-National or Helsinki-Vantaa - Baltimore/Washington 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, July is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $303). Flying from Helsinki to Washington, D.C. in April is currently the most expensive (average of $337). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Springfield

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Fairfax

Manassas

Falls Church

Laurel

Rockville

Oxon Hill

National Harbor

Dundalk

Waldorf

Bowie

Browse thousands of different options on Cheapflights for your next trip

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.

$308+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helsinki to Washington, D.C. 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 Helsinki-Vantaa to Washington, D.C. are usually found in February or July, booked 76 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Helsinki to Washington, D.C.Explore the most affordable flight options available from Helsinki to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

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 August 20, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Everything you need to know about your flight from Helsinki to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Helsinki to Washington, D.C.. Price data was last updated on August 8, 2025.

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

What is the cheapest time of day to fly from HEL to WAS?

Find hourly flight availability from Helsinki to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

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

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown KLM, Finnair, and Scandinavian Airlines 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.

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.?

How long is the flight from Helsinki to Washington, D.C.?

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

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

Can I find deals for flights from Helsinki to Washington, D.C. that include hotel bookings?

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

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

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

Traveling to a place near Washington, D.C.?

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.

100% Free

Book with Flexibility

Travel Smart

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 August 20, 2025.