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

Currently priced at $537, Finnair will fly you from Helsinki to Washington, D.C. and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $541 and $545, respectively. Users have found that Finnair is 20% cheaper than the other options available to this destination.

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

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $520. However, be on the lookout for offers from Scandinavian Airlines and Lufthansa, 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.

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

Most travelers choose Helsinki-Vantaa - Baltimore/Washington, Helsinki-Vantaa - Washington, D.C. Dulles Intl or Helsinki-Vantaa - Washington, D.C. Reagan-National 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 $520. For sooner than that we have options available in the next 3 days from $1,233.

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 $678. Cheapflights users have found deals in the month of February for as cheap as $470. 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 1 airline. 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.

$508+ Flights from Helsinki to Washington, D.C.

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Helsinki-Vantaa to Washington, D.C. are usually found in February or March, 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	$537 (Finnair)
One-way from	$508 (Trip.com)
Popular in	June
Cheapest in	February
Average price	$841

From Helsinki-Vantaa to Washington, D.C. (WAS)

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

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Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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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 junio 12, 2025.

lun. 9/155:15 pmHEL - DCA

1 stop12h 52mFinnair

lun. 9/227:23 pmDCA - HEL

1 stop11h 37mFinnair

Deal found 6/11

$537

jue. 7/247:00 amHEL - IAD

2 stops22h 55mDelta

vie. 8/86:30 pmIAD - HEL

1 stop15h 10mDelta

Deal found 6/10

$541

jue. 7/247:00 amHEL - DCA

2 stops23h 53mDelta

jue. 8/71:25 pmDCA - HEL

2 stops20h 15mDelta

Deal found 6/10

$542

jue. 7/245:15 pmHEL - DCA

1 stop12h 56mAmerican Airlines

jue. 8/76:00 pmDCA - HEL

1 stop13h 15mAmerican Airlines

Deal found 6/12

$545

mié. 8/276:10 amHEL - BWI

2 stops38h 38mUnited Airlines

jue. 9/116:15 amBWI - HEL

2 stops29h 40mUnited Airlines

Deal found 6/11

$546

dom. 8/246:40 amHEL - BWI

2 stops23h 37mDelta

dom. 9/145:25 pmBWI - HEL

2 stops16h 15mDelta

Deal found 6/11

$552

sáb. 8/237:00 amHEL - BWI

2 stops17h 20mAir France

lun. 9/155:30 pmBWI - HEL

2 stops16h 10mAir France

Deal found 6/11

$555

lun. 8/412:40 pmHEL - IAD

2 stops30h 15mUnited Airlines

dom. 8/1710:20 pmIAD - HEL

1 stop13h 35mUnited Airlines

Deal found 6/10

$558

lun. 8/46:40 amHEL - IAD

1 stop16h 40mMultiple Airlines

dom. 8/175:25 pmIAD - HEL

1 stop12h 35mMultiple Airlines

Deal found 6/10

$571

jue. 7/247:00 amHEL - IAD

2 stops22h 55mAir France

vie. 8/89:20 pmIAD - HEL

1 stop12h 20mAir France

Deal found 6/11

$601

jue. 7/246:10 amHEL - IAD

1 stop16h 05mLufthansa

jue. 8/710:20 pmIAD - HEL

1 stop13h 35mLufthansa

Deal found 6/10

$608

vie. 8/153:00 pmHEL - IAD

1 stop11h 20mIcelandair

lun. 9/88:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 6/11

$617

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 junio 12, 2025.

lun. 9/155:15 pmHEL - DCA

1 stop12h 52mFinnair

lun. 9/227:23 pmDCA - HEL

1 stop11h 37mFinnair

Deal found 6/11

$537

jue. 7/247:00 amHEL - IAD

2 stops22h 55mDelta

vie. 8/86:30 pmIAD - HEL

1 stop15h 10mDelta

Deal found 6/10

$541

jue. 7/245:15 pmHEL - DCA

1 stop12h 56mAmerican Airlines

jue. 8/76:00 pmDCA - HEL

1 stop13h 15mAmerican Airlines

Deal found 6/12

$545

mié. 8/276:10 amHEL - BWI

2 stops38h 38mUnited Airlines

jue. 9/116:15 amBWI - HEL

2 stops29h 40mUnited Airlines

Deal found 6/11

$546

sáb. 8/237:00 amHEL - BWI

2 stops17h 20mAir France

lun. 9/155:30 pmBWI - HEL

2 stops16h 10mAir France

Deal found 6/11

$555

lun. 8/46:40 amHEL - IAD

1 stop16h 40mMultiple Airlines

dom. 8/175:25 pmIAD - HEL

1 stop12h 35mMultiple Airlines

Deal found 6/10

$571

jue. 7/246:10 amHEL - IAD

1 stop16h 05mLufthansa

jue. 8/710:20 pmIAD - HEL

1 stop13h 35mLufthansa

Deal found 6/10

$608

vie. 8/153:00 pmHEL - IAD

1 stop11h 20mIcelandair

lun. 9/88:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 6/11

$617

lun. 8/114:05 pmHEL - IAD

1 stop10h 54mScandinavian Airlines

sáb. 9/610:05 pmIAD - HEL

1 stop10h 20mScandinavian Airlines

Deal found 6/11

$743

vie. 7/257:10 amHEL - IAD

2 stops20h 00mBritish Airways

vie. 8/17:25 pmIAD - HEL

1 stop18h 35mBritish Airways

Deal found 6/10

$855

jue. 7/245:40 pmHEL - IAD

2 stops26h 50mBrussels Airlines

jue. 8/75:35 pmIAD - HEL

2 stops24h 05mBrussels Airlines

Deal found 6/10

$901

jue. 7/247:00 amHEL - DCA

2 stops23h 53mDelta

jue. 8/71:25 pmDCA - HEL

2 stops20h 15mDelta

Deal found 6/10

$542

Last-minute flights from Helsinki to Washington, D.C.
Discover last-minute flight deals from Helsinki to Washington, D.C.. Data last updated junio 12, 2025 and is based on user searches.

mar. 7/81:55 pmHEL - IAD

1 stop32h 40mMultiple Airlines

mar. 7/156:30 pmIAD - HEL

1 stop15h 10mMultiple Airlines

Deal found 6/10

$612

mar. 7/86:10 amHEL - IAD

2 stops36h 43mUnited Airlines

mar. 7/155:10 pmIAD - HEL

2 stops24h 15mUnited Airlines

Deal found 6/10

$757

mar. 7/87:35 pmHEL - BWI

3 stops29h 54mMultiple Airlines

mar. 7/157:10 amBWI - HEL

2 stops23h 50mMultiple Airlines

Deal found 6/10

$825

jue. 7/247:00 amHEL - IAD

2 stops22h 55mDelta

vie. 8/86:30 pmIAD - HEL

1 stop15h 10mDelta

Deal found 6/10

$541

jue. 7/247:00 amHEL - DCA

2 stops23h 53mDelta

jue. 8/71:25 pmDCA - HEL

2 stops20h 15mDelta

Deal found 6/10

$542

jue. 7/245:15 pmHEL - DCA

1 stop12h 56mAmerican Airlines

jue. 8/76:00 pmDCA - HEL

1 stop13h 15mAmerican Airlines

Deal found 6/12

$545

jue. 7/247:00 amHEL - IAD

2 stops22h 55mAir France

vie. 8/89:20 pmIAD - HEL

1 stop12h 20mAir France

Deal found 6/11

$601

jue. 7/246:10 amHEL - IAD

1 stop16h 05mLufthansa

jue. 8/710:20 pmIAD - HEL

1 stop13h 35mLufthansa

Deal found 6/10

$608

jue. 7/246:40 amHEL - BWI

2 stops17h 01mDelta

vie. 8/85:37 pmBWI - HEL

2 stops16h 03mDelta

Deal found 6/10

$723

jue. 7/243:00 pmHEL - IAD

1 stop11h 20mIcelandair

vie. 8/88:30 pmIAD - HEL

1 stop10h 30mIcelandair

Deal found 6/10

$825

jue. 7/245:40 pmHEL - IAD

2 stops26h 50mBrussels Airlines

jue. 8/75:35 pmIAD - HEL

2 stops24h 05mBrussels Airlines

Deal found 6/10

$901

vie. 7/257:10 amHEL - IAD

2 stops20h 00mBritish Airways

vie. 8/17:25 pmIAD - HEL

1 stop18h 35mBritish Airways

Deal found 6/10

$855

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 junio 12, 2025.

lun. 9/228:30 amHEL - IAD

2 stops37h 50mMultiple Airlines

Deal found 6/11

$508

jue. 8/218:05 amHEL - BWI

2 stops22h 22mMultiple Airlines

Deal found 6/10

$515

vie. 8/223:00 pmHEL - IAD

1 stop11h 20mIcelandair

Deal found 6/11

$520

lun. 9/226:35 amHEL - IAD

1 stop20h 24mScandinavian Airlines

Deal found 6/11

$549

jue. 9/186:10 amHEL - IAD

1 stop14h 20mLufthansa

Deal found 6/10

$570

mié. 6/257:35 pmHEL - IAD

1 stop31h 10mTurkish Airlines

Deal found 6/10

$610

vie. 8/221:55 pmHEL - IAD

1 stop32h 40mKLM

Deal found 6/12

$619

vie. 8/221:55 pmHEL - BWI

2 stops15h 53mDelta

Deal found 6/10

$624

vie. 8/221:55 pmHEL - DCA

2 stops16h 58mDelta

Deal found 6/10

$624

vie. 8/221:55 pmHEL - IAD

2 stops17h 26mDelta

Deal found 6/10

$624

mar. 8/127:05 amHEL - DCA

3 stops19h 37mMultiple Airlines

Deal found 6/12

$710

jue. 8/215:15 pmHEL - DCA

1 stop13h 03mFinnair

Deal found 6/10

$723

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 - DCA

HELDCA

Helsinki-Vantaa

lun. 9/15

5:15 pm-11:07 pm

1 stop12h 52m

Washington, D.C. Reagan-National

lun. 9/22

7:23 pm-2:00 pm

1 stop11h 37m

$537

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

jue. 7/24

7:00 am-10:55 pm

2 stops22h 55m

Washington, D.C. Dulles Intl

vie. 8/8

6:30 pm-4:40 pm

1 stop15h 10m

$541

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

jue. 7/24

7:00 am-11:53 pm

2 stops23h 53m

Washington, D.C. Reagan-National

jue. 8/7

1:25 pm-4:40 pm

2 stops20h 15m

$542

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

jue. 7/24

5:15 pm-11:11 pm

1 stop12h 56m

Washington, D.C. Reagan-National

jue. 8/7

6:00 pm-2:15 pm

1 stop13h 15m

$545

HelsinkiBaltimore

HEL - BWI

HELBWI

Helsinki-Vantaa

mié. 8/27

6:10 am-1:48 pm

2 stops38h 38m

Baltimore/Washington

jue. 9/11

6:15 am-6:55 pm

2 stops29h 40m

$546

HelsinkiBaltimore

HEL - BWI

HELBWI

Helsinki-Vantaa

dom. 8/24

6:40 am-11:17 pm

2 stops23h 37m

Baltimore/Washington

dom. 9/14

5:25 pm-4:40 pm

2 stops16h 15m

$552

HelsinkiBaltimore

HEL - BWI

HELBWI

Helsinki-Vantaa

sáb. 8/23

7:00 am-5:20 pm

2 stops17h 20m

Baltimore/Washington

lun. 9/15

5:30 pm-4:40 pm

2 stops16h 10m

$555

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

lun. 8/4

12:40 pm-11:55 am

2 stops30h 15m

Washington, D.C. Dulles Intl

dom. 8/17

10:20 pm-6:55 pm

1 stop13h 35m

$558

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

lun. 8/4

6:40 am-4:20 pm

1 stop16h 40m

Washington, D.C. Dulles Intl

dom. 8/17

5:25 pm-1:00 pm

1 stop12h 35m

$571

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

jue. 7/24

7:00 am-10:55 pm

2 stops22h 55m

Washington, D.C. Dulles Intl

vie. 8/8

9:20 pm-4:40 pm

1 stop12h 20m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 41 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, August is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $241). Flying from Helsinki to Washington, D.C. in March is currently the most expensive (average of $290). 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.

Rainfall in Washington, D.C. by month

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.

Temperature in Washington, D.C. by month

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).

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta, KLM and Finnair from Helsinki to Washington, D.C. have to say. 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

7,950 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

7,950 reviews

Delta

8.0

Very good

7,950 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!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 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

1,290 reviews

Delta

8.0

Very good

7,950 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!

Air France

7.5

Good

1,463 reviews

Delta

8.0

Very good

7,950 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

8,790 reviews

Delta

8.0

Very good

7,950 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 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 1 airline. Helsinki-Vantaa is conveniently located just 10.6 mi from Helsinki’s city center.
What are the cheapest airlines flying from Helsinki to Washington, D.C. round-trip?
Currently priced at $537, Finnair will fly you from Helsinki to Washington, D.C. and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $541 and $545, respectively. Users have found that Finnair is 20% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Helsinki to Washington, D.C. one-way?
The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $520. However, be on the lookout for offers from Scandinavian Airlines and Lufthansa, 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 - Baltimore/Washington, Helsinki-Vantaa - Washington, D.C. Dulles Intl or Helsinki-Vantaa - Washington, D.C. Reagan-National when deciding on the best route from Helsinki to Washington, D.C..
Can I find deals for flights from Helsinki to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Helsinki to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Helsinki to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helsinki to Washington, D.C..
Can I find deals for business class flights from Helsinki to Washington, D.C.?
Yes. Cheapflights offers flight deals from Helsinki to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Helsinki to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $241). Flying from Helsinki to Washington, D.C. in March is currently the most expensive (average of $290). 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

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Helsinki to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$382	Average$801	FlexibilityNo cancel fee	On-time76%

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$508+ Cheap flights from Helsinki (HEL) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. 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 March, 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 junio 12, 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 junio 12, 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 June 9, 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 junio 12, 2025.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta, KLM and Finnair from Helsinki to Washington, D.C. have to say. 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 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.?

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

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.?

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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 junio 12, 2025.