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Cheap flights from Helsinki to Washington, D.C. from $400

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to Washington, D.C. departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
1:55 pm - 6:30 pmHEL-IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
$465Icelandair
Find Deal
Thu, Nov 13 - Thu, Nov 27
Icelandair Logo
1:55 pm - 6:30 pmHEL-IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
$476Icelandair
Find Deal
Thu, Nov 20 - Mon, Dec 1
Scandinavian Airlines Logo
6:15 am - 5:15 pmHEL-IAD
18h 00m1 stop
Scandinavian Airlines Logo
8:30 pm - 8:20 pmIAD-HEL
16h 50m1 stop
$488Scandinavian Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Scandinavian Airlines Logo
11:20 am - 5:15 pmHEL-IAD
12h 55m1 stop
Scandinavian Airlines Logo
8:30 pm - 3:25 pmIAD-HEL
11h 55m1 stop
$496Scandinavian Airlines
Find Deal
Wed, Feb 11 - Sat, Feb 21
Icelandair Logo
1:55 pm - 6:30 pmHEL-IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
$497Icelandair
Find Deal
Wed, Feb 11 - Tue, Feb 24
American Airlines Logo
4:50 pm - 7:44 amHEL-DCA
21h 54m1 stop
American Airlines Logo
12:35 pm - 1:55 pmDCA-HEL
18h 20m1 stop
$498American Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
Scandinavian Airlines Logo
6:15 am - 5:15 pmHEL-IAD
18h 00m1 stop
Scandinavian Airlines Logo
8:30 pm - 10:30 amIAD-HEL
31h 00m2 stops
$498Scandinavian Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
American Airlines Logo
4:50 pm - 7:44 amHEL-DCA
21h 54m1 stop
American Airlines Logo
12:35 pm - 1:55 pmDCA-HEL
18h 20m1 stop
$499American Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 27
KLM Logo
2:05 pm - 4:05 pmHEL-IAD
33h 00m1 stop
KLM Logo
6:05 pm - 12:05 amIAD-HEL
23h 00m1 stop
$716KLM
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Sun, Nov 30 - Sun, Dec 7
Finnair Logo
4:50 pm - 10:57 pmHEL-DCA
13h 07m1 stop
Finnair Logo
5:45 pm - 1:55 pmDCA-HEL
13h 10m1 stop
$913Finnair
Find Deal
Mon, Dec 22 - Sat, Jan 10

Icelandair flights from Helsinki to Washington, D.C.

Our best Icelandair deals on Helsinki to Washington, D.C. flight tickets
Icelandair
Nov 13
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Nov 27
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$465
Find similar
Icelandair
Nov 20
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 1
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$476
Find similar
Icelandair
Feb 11
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 24
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$497
Find similar

Scandinavian Airlines flights from Helsinki to Washington, D.C.

Our best Scandinavian Airlines deals on Helsinki to Washington, D.C. flight tickets
Scandinavian Airlines
Nov 13
HEL6:15 amHelsinki-Vantaa
18h 00m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Nov 27
IAD8:30 pmWashington, D.C. Dulles Intl
16h 50m
1 stop
HEL8:20 pmHelsinki-Vantaa
$488
Find similar
Scandinavian Airlines
Feb 11
HEL11:20 amHelsinki-Vantaa
12h 55m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Feb 21
IAD8:30 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
HEL3:25 pmHelsinki-Vantaa
$496
Find similar
Scandinavian Airlines
Nov 13
HEL6:15 amHelsinki-Vantaa
18h 00m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Nov 27
IAD8:30 pmWashington, D.C. Dulles Intl
31h 00m
2 stops
HEL10:30 amHelsinki-Vantaa
$498
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helsinki to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 2, 2025.
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

Thu 11/13

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Thu 11/27

7:40 pm-12:55 pm

1 stop10h 15m

$465

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 11/20

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 12/1

7:40 pm-12:55 pm

1 stop10h 15m

$476

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 11/13

6:15 am-5:15 pm

1 stop18h 00m

Washington, D.C. Dulles Intl

Thu 11/27

8:30 pm-8:20 pm

1 stop16h 50m

$488

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 2/11

11:20 am-5:15 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Sat 2/21

8:30 pm-3:25 pm

1 stop11h 55m

$496

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 2/11

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Tue 2/24

7:40 pm-12:55 pm

1 stop10h 15m

$497

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 11/13

4:50 pm-7:44 am

1 stop21h 54m

Washington, D.C. Reagan-National

Thu 11/27

12:35 pm-1:55 pm

1 stop18h 20m

$498

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 11/13

6:15 am-5:15 pm

1 stop18h 00m

Washington, D.C. Dulles Intl

Thu 11/27

8:30 pm-10:30 am

2 stops31h 00m

$498

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Thu 11/13

4:50 pm-7:44 am

1 stop21h 54m

Washington, D.C. Reagan-National

Thu 11/27

12:35 pm-1:55 pm

1 stop18h 20m

$499

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sun 11/30

2:05 pm-4:05 pm

1 stop33h 00m

Washington, D.C. Dulles Intl

Sun 12/7

6:05 pm-12:05 am

1 stop23h 00m

$716

HelsinkiWashington, D.C.

HEL - DCA

HELDCA

Helsinki-Vantaa

Mon 12/22

4:50 pm-10:57 pm

1 stop13h 07m

Washington, D.C. Reagan-National

Sat 1/10

5:45 pm-1:55 pm

1 stop13h 10m

$913

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Helsinki to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Helsinki and Washington, D.C.?

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

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Helsinki, with most prices found around $527. If you’re not able to fly to Washington, D.C. in September, then July is your next best option. Flight prices from Helsinki to Washington, D.C. during July average around $551.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Helsinki is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $667. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Helsinki to Washington, D.C. for around $969.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Helsinki to Washington, D.C. when you can find flight prices for as low as $754. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $876. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $643 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Helsinki for as low as $586 on momondo.

Can stopping save me money on Helsinki to Washington, D.C. flights?

You could potentially save up to 9% on your flight if you consider stops on a Helsinki to Washington, D.C. flight.

How have Helsinki to Washington, D.C. flight prices changed over time?

When to book flights from Helsinki to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Helsinki to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helsinki to Washington, D.C. (HEL to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helsinki to Washington, D.C.

Direct flights

None
There are no direct flights from Helsinki to Washington, D.C.. There are no popular flight routes from Helsinki to Washington, D.C..
Search flight deals

  • How far is Helsinki-Vantaa to Washington, D.C. by plane?

    There are 4303.0 mi between Helsinki-Vantaa and Washington, D.C.. Typically, this will take 11h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Helsinki-Vantaa Airport to Washington, D.C.?

    Prices for flights from Helsinki-Vantaa Airport to Washington, D.C. were last updated today.

  • How many operators does momondo search for flights from Helsinki-Vantaa Airport to Washington, D.C.?

  • How old do you have to be to fly from Helsinki-Vantaa Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helsinki-Vantaa Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Helsinki to Washington, D.C.?

Best airlines flying from Helsinki to Washington, D.C.

Compare and see reviews for airlines that fly from Helsinki to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $355Free CancellationRating
7.1
564 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $497Free CancellationRating
7.4
1,553 reviews
Search Scandinavian Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Helsinki to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helsinki to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Helsinki to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Helsinki to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Helsinki to Washington, D.C.?

Once all potential Helsinki to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Helsinki to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Helsinki to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport