Which layover airport offers the lowest fares from Helsinki to Washington, D.C. Dulles Intl Airport?

Flights via Amsterdam (AMS) offer the lowest average round-trip price of $576.

How often are flights from Helsinki to Washington, D.C. delayed?

Historically, on average around 0% of flights between Helsinki and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Helsinki to Washington, D.C. flights?

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Which airport is the most popular layover for flights between Helsinki and Washington, D.C. Dulles Intl Airport?

Reykjavik (KEF) was the most common stop: 85% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Helsinki to Washington, D.C. Dulles Intl Airport?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 06m.

Which layover airport has the shortest travel time from Helsinki to Washington, D.C. Dulles Intl Airport?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 22m.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

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

Prices for flights from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

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

As of August 2026, there are 2 operators available to choose from for flights from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$432 Cheap Flights from Helsinki to Washington, D.C. Dulles Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Helsinki to Washington, D.C.

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:20 pm - 10:52 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

17h 32m1 stop Dallas/Fort Worth

6:42 am - 10:45 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

21h 03m1 stop Dallas/Fort Worth

$542Multiple Airlines

Thu, Sep 24 - Wed, Oct 21

11:55 pm - 7:20 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

26h 25m1 stop Reykjavik Keflavik Intl

8:30 pm - 2:00 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

10h 30m1 stop Reykjavik Keflavik Intl

$546Icelandair

Mon, Sep 21 - Tue, Oct 6

3:00 pm - 7:20 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

11h 20m1 stop Reykjavik Keflavik Intl

8:30 pm - 2:00 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

10h 30m1 stop Reykjavik Keflavik Intl

$580Icelandair

Thu, Sep 10 - Sat, Sep 19

3:00 pm - 7:20 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

11h 20m1 stop Reykjavik Keflavik Intl

11:20 pm - 2:00 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

31h 40m1 stop Reykjavik Keflavik Intl

$592Icelandair

Thu, Aug 27 - Tue, Sep 8

7:00 am - 3:35 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

15h 35m1 stop Amsterdam Schiphol

9:45 pm - 4:40 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

11h 55m1 stop Paris Charles de Gaulle

$594Multiple Airlines

Tue, Sep 15 - Wed, Sep 30

7:00 am - 3:35 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

15h 35m1 stop Amsterdam Schiphol

6:26 pm - 4:40 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

15h 14m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

$598Multiple Airlines

Tue, Sep 15 - Wed, Sep 30

6:40 am - 3:55 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

16h 15m1 stop Amsterdam Schiphol

12:30 pm - 4:40 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

21h 10m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

$610Delta

Fri, Nov 20 - Fri, Jan 8

6:10 am - 5:00 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

17h 50m1 stop Kastrup Copenhagen

8:20 pm - 1:30 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

22h 10m1 stop Kastrup Copenhagen

$637Scandinavian Airlines

Thu, Sep 10 - Wed, Sep 23

6:10 am - 5:00 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

17h 50m1 stop Kastrup Copenhagen

8:20 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

17h 15m2 stops Kastrup Copenhagen Stockholm Arlanda

$644Scandinavian Airlines

Thu, Sep 10 - Wed, Sep 23

7:15 am - 5:00 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

16h 45m2 stops Stockholm Arlanda Kastrup Copenhagen

8:20 pm - 4:45 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

13h 25m2 stops Kastrup Copenhagen Stockholm Arlanda

$650Scandinavian Airlines

Thu, Sep 10 - Sat, Sep 19

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Delta flights from Helsinki to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets

Delta

Nov 20

HEL6:40 amHelsinki-Vantaa

16h 15m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

Jan 8

IAD12:30 pmWashington, D.C. Dulles Intl

21h 10m

2 stops

HEL4:40 pmHelsinki-Vantaa

$610

Delta

Sep 21

HEL7:00 amHelsinki-Vantaa

15h 35m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Sep 28

IAD3:15 pmWashington, D.C. Dulles Intl

18h 25m

2 stops

HEL4:40 pmHelsinki-Vantaa

$611

Delta

Sep 10

HEL7:00 amHelsinki-Vantaa

15h 35m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Sep 23

IAD12:25 pmWashington, D.C. Dulles Intl

17h 40m

2 stops

HEL1:05 pmHelsinki-Vantaa

$615

Icelandair flights from Helsinki to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets

Icelandair

Sep 21

HEL11:55 pmHelsinki-Vantaa

26h 25m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Oct 6

IAD8:30 pmWashington, D.C. Dulles Intl

10h 30m

1 stop

HEL2:00 pmHelsinki-Vantaa

$546

Icelandair

Sep 10

HEL3:00 pmHelsinki-Vantaa

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Sep 19

IAD8:30 pmWashington, D.C. Dulles Intl

10h 30m

1 stop

HEL2:00 pmHelsinki-Vantaa

$580

Icelandair

Aug 27

HEL3:00 pmHelsinki-Vantaa

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

Sep 8

IAD11:20 pmWashington, D.C. Dulles Intl

31h 40m

1 stop

HEL2:00 pmHelsinki-Vantaa

$592

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Thu 9/24

12:20 pm-10:52 pm

1 stop17h 32m

Washington, D.C. Dulles Intl

Wed 10/21

6:42 am-10:45 am

1 stop21h 03m

$542

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Mon 9/21

11:55 pm-7:20 pm

1 stop26h 25m

Washington, D.C. Dulles Intl

Tue 10/6

8:30 pm-2:00 pm

1 stop10h 30m

$546

Quickest round-trip

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Thu 9/10

3:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Sat 9/19

8:30 pm-2:00 pm

1 stop10h 30m

$580

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Thu 8/27

3:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Tue 9/8

11:20 pm-2:00 pm

1 stop31h 40m

$592

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Tue 9/15

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 9/30

9:45 pm-4:40 pm

1 stop11h 55m

$594

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Tue 9/15

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Wed 9/30

6:26 pm-4:40 pm

2 stops15h 14m

$598

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Fri 11/20

6:40 am-3:55 pm

1 stop16h 15m

Washington, D.C. Dulles Intl

Fri 1/8

12:30 pm-4:40 pm

2 stops21h 10m

$610

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Thu 9/10

6:10 am-5:00 pm

1 stop17h 50m

Washington, D.C. Dulles Intl

Wed 9/23

8:20 pm-1:30 am

1 stop22h 10m

$637

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Thu 9/10

6:10 am-5:00 pm

1 stop17h 50m

Washington, D.C. Dulles Intl

Wed 9/23

8:20 pm-8:35 pm

2 stops17h 15m

$644

HelsinkiWashington, D.C.

HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl

HELIAD

Helsinki-Vantaa

Thu 9/10

7:15 am-5:00 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Sat 9/19

8:20 pm-4:45 pm

2 stops13h 25m

$650

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Delays

Layovers

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

Prices are currently low for flights on this route.

Typical prices usually range from $749 to $927.
The lowest price recently found on this route was $542.

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

In general, November is the cheapest month to fly from Helsinki to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $461. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $503.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $655 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Helsinki for as low as $458 on momondo.

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

You could potentially save up to 21% on your flight if you consider stops on a Helsinki to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Helsinki to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Helsinki to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (HEL to IAD) flight deals and tips

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

Fastest flight time	11h 20m
Direct flights	None

The fastest flight from Helsinki to Washington, D.C. Dulles Intl Airport takes 11h 20m

There are no direct flights from Helsinki to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Helsinki to Washington, D.C. Dulles Intl Airport.

Search flight deals

Frequently asked questions about flying from Helsinki to Washington, D.C. Dulles Intl Airport

How far is Helsinki-Vantaa to Washington, D.C. Dulles Intl by plane?
The distance between Helsinki-Vantaa and Washington, D.C. Dulles Intl is about 4312.7 mi. In terms of flight time, this usually takes a little over 11h 20m.
When did momondo last update prices for flights from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport?
As of August 2026, there are 2 operators available to choose from for flights from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Helsinki to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Helsinki to Washington, D.C. Dulles Intl Airport is Icelandair, representing 53% of all bookings. The subsequent popular airline is Scandinavian Airlines at 47%.

Best airlines flying from Helsinki to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Helsinki to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $450	Free Cancellation	Rating 7.4 1,930 reviews		Search Scandinavian Airlines flights
Icelandair	PriceFrom $466	Free Cancellation	Rating 6.9 723 reviews		Search Icelandair flights

Alexandria

National Harbor

Arlington

Gettysburg

Winchester

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Sterling

Colonial Beach

Springfield

Fairfax

Tysons

Edgewood

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Helsinki to Washington, D.C. for you.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Helsinki with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Helsinki.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Helsinki and alert you when they change.

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

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Cheap flights from Helsinki to Washington, D.C. from $432

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 9/29. 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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Delta flights from Helsinki to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets

Icelandair flights from Helsinki to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

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

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

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

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

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

How often are flights from Helsinki to Washington, D.C. delayed?

What is the most punctual flight time for Helsinki to Washington, D.C. flights?

What day of the week experiences the fewest flight delays on this route?

Which airport is the most popular layover for flights between Helsinki and Washington, D.C. Dulles Intl Airport?

Which layover airport offers the lowest fares from Helsinki to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest travel time from Helsinki to Washington, D.C. Dulles Intl Airport?

Which layover airport has the shortest connection time from Helsinki to Washington, D.C. Dulles Intl Airport?

When to book flights from Helsinki to Washington, D.C. Dulles Intl Airport

Cheap Helsinki to Washington, D.C. Dulles Intl Airport (HEL to IAD) flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Helsinki to Washington, D.C. Dulles Intl Airport

Best airlines flying from Helsinki to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Helsinki to Washington, D.C. Dulles Intl Airport with momondo

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

Why use momondo?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Helsinki flight routes

According to popular flight searches on momondo this year

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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