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

Reykjavik (KEF) was the most common stop: 46% of momondo users choosing 1-stop flights on this route connected there.

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

Reykjavik (KEF) has the shortest average layover time for this route: 1h 03m.

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

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 22m.

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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $466.

What airlines fly to Helsinki?

Icelandair, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Helsinki from Washington, D.C. according to our data. Icelandair is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 5 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Helsinki?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Helsinki you fly into. For example, flying from Baltimore to Helsinki takes 10h 15m on average. On the other hand, flying from Washington, D.C. to Helsinki takes 11h 47m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from Washington, D.C. to Helsinki-Vantaa?

Icelandair, United Airlines, and British Airways are the most popular carriers operating from Washington, D.C. to Helsinki-Vantaa

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

Prices for flights from Washington, D.C. to Helsinki-Vantaa Airport refresh daily.

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

The number of operators available for flights from Washington, D.C. to Helsinki-Vantaa Airport is 5 as of March 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Helsinki-Vantaa Airport.

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$167 Cheap Flights from Washington, D.C. to Helsinki in 2026

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

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One-way

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Enter your travel dates to find the best prices.

8:30 pm - 2:00 pm

IAD

HEL

10h 30m

1 stop

3:00 pm - 7:20 pm

HEL

IAD

11h 20m

1 stop

$366Icelandair

Fri, Apr 17 - Thu, Apr 23

8:30 pm - 2:00 pm

BWI

HEL

10h 30m

1 stop

3:00 pm - 7:25 pm

HEL

BWI

11h 25m

1 stop

$366Icelandair

Fri, Apr 17 - Thu, Apr 23

8:30 pm - 2:00 pm

IAD

HEL

10h 30m

1 stop

3:00 pm - 7:20 pm

HEL

IAD

11h 20m

1 stop

$368Icelandair

Thu, Apr 16 - Thu, Apr 23

8:30 pm - 2:00 pm

IAD

HEL

10h 30m

1 stop

3:00 pm - 7:20 pm

HEL

IAD

11h 20m

1 stop

$382Icelandair

Fri, May 1 - Thu, May 7

5:31 pm - 2:00 pm

DCA

HEL

13h 29m

1 stop

5:15 pm - 10:29 pm

HEL

DCA

12h 14m

1 stop

$538Finnair

Wed, Apr 22 - Tue, Apr 28

11:36 am - 10:45 am

DCA

HEL

16h 09m

1 stop

12:35 pm - 9:22 pm

HEL

DCA

15h 47m

1 stop

$562American Airlines

Tue, Mar 31 - Tue, Apr 7

5:31 pm - 2:00 pm

DCA

HEL

13h 29m

1 stop

5:15 pm - 10:47 pm

HEL

DCA

12h 32m

1 stop

$563Finnair

Fri, May 1 - Thu, May 7

8:20 am - 6:55 pm

DCA

HEL

27h 35m

2 stops

7:05 am - 10:19 am

HEL

DCA

34h 14m

2 stops

$568United Airlines

Wed, Apr 22 - Tue, Apr 28

5:00 pm - 4:40 pm

DCA

HEL

16h 40m

2 stops

7:15 am - 5:07 pm

HEL

DCA

16h 52m

2 stops

$571Delta

Tue, Apr 28 - Fri, May 8

5:00 pm - 4:40 pm

DCA

HEL

16h 40m

2 stops

7:00 am - 5:05 pm

HEL

DCA

17h 05m

2 stops

$572Delta

Tue, Apr 28 - Tue, May 5

Icelandair flights from Washington, D.C. to Helsinki

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

Icelandair

Mar 16

IAD8:40 pmWashington, D.C. Dulles Intl

10h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Mar 31

HEL3:00 pmHelsinki-Vantaa

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$366

Icelandair

Apr 16

IAD8:30 pmWashington, D.C. Dulles Intl

10h 30m

1 stop

HEL2:00 pmHelsinki-Vantaa

Apr 23

HEL3:00 pmHelsinki-Vantaa

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$368

Icelandair

May 1

IAD8:30 pmWashington, D.C. Dulles Intl

10h 30m

1 stop

HEL2:00 pmHelsinki-Vantaa

May 7

HEL3:00 pmHelsinki-Vantaa

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$382

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

Our best Scandinavian Airlines deals on Washington, D.C. to Helsinki flight tickets

Scandinavian Airlines

Apr 20

IAD8:20 pmWashington, D.C. Dulles Intl

17h 05m

1 stop

HEL8:25 pmHelsinki-Vantaa

Apr 27

HEL6:10 amHelsinki-Vantaa

17h 50m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$438

Scandinavian Airlines

Apr 15

IAD8:20 pmWashington, D.C. Dulles Intl

20h 30m

2 stops

HEL11:50 pmHelsinki-Vantaa

Apr 22

HEL9:15 pmHelsinki-Vantaa

26h 45m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$442

Scandinavian Airlines

Apr 22

IAD8:20 pmWashington, D.C. Dulles Intl

17h 15m

2 stops

HEL8:35 pmHelsinki-Vantaa

Apr 27

HEL6:10 amHelsinki-Vantaa

17h 50m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$452

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 4/17

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Thu 4/23

3:00 pm-7:20 pm

1 stop11h 20m

$366

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Fri 4/17

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Thu 4/23

3:00 pm-7:25 pm

1 stop11h 25m

$366

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 4/16

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Thu 4/23

3:00 pm-7:20 pm

1 stop11h 20m

$368

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 5/1

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Thu 5/7

3:00 pm-7:20 pm

1 stop11h 20m

$382

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 4/22

5:31 pm-2:00 pm

1 stop13h 29m

Helsinki-Vantaa

Tue 4/28

5:15 pm-10:29 pm

1 stop12h 14m

$538

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 3/31

11:36 am-10:45 am

1 stop16h 09m

Helsinki-Vantaa

Tue 4/7

12:35 pm-9:22 pm

1 stop15h 47m

$562

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Fri 5/1

5:31 pm-2:00 pm

1 stop13h 29m

Helsinki-Vantaa

Thu 5/7

5:15 pm-10:47 pm

1 stop12h 32m

$563

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 4/22

8:20 am-6:55 pm

2 stops27h 35m

Helsinki-Vantaa

Tue 4/28

7:05 am-10:19 am

2 stops34h 14m

$568

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 4/28

5:00 pm-4:40 pm

2 stops16h 40m

Helsinki-Vantaa

Fri 5/8

7:15 am-5:07 pm

2 stops16h 52m

$571

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 4/28

5:00 pm-4:40 pm

2 stops16h 40m

Helsinki-Vantaa

Tue 5/5

7:00 am-5:05 pm

2 stops17h 05m

$572

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

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

Airlines

Layovers

Other information

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

What is the cheapest month to fly to Helsinki?

The month of January is, on average, the cheapest month to fly to Helsinki from Washington, D.C., with most prices found around $416. If you aren’t able to travel during the month of January, then book flights to Helsinki from Washington, D.C. during March instead. Flights to Helsinki in March, while not as cheap as those in January, still average around $474.

How far in advance should I book a flight to Helsinki?

You are more likely to see cheaper flights to Helsinki from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $599 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Washington, D.C. for as low as $462 on momondo.

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

You could potentially save up to 49% on your flight if you consider stops on a Washington, D.C. to Helsinki flight.

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

As of March 2026, prices for Washington, D.C. to Helsinki flights are approximately 32% cheaper when compared to flights at the same time last year.

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

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

Estimated round-trip price

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

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

Fastest flight time	10h 30m
Direct flights	None

The fastest flight from Washington, D.C. to Helsinki takes 10h 30m

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

Search flight deals

How far is Washington, D.C. to Helsinki-Vantaa by plane?
The straight-line distance from Washington, D.C. to Helsinki-Vantaa is 4303.0 mi. 10h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Helsinki-Vantaa Airport?
Prices for flights from Washington, D.C. to Helsinki-Vantaa Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Helsinki-Vantaa Airport?
The number of operators available for flights from Washington, D.C. to Helsinki-Vantaa Airport is 5 as of March 2026.
How old do you have to be to fly from Washington, D.C. to Helsinki-Vantaa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. to Helsinki?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Helsinki is Icelandair, representing 44% of all bookings. The subsequent popular airlines are Scandinavian Airlines at 13%, United Airlines at 11%, and Lufthansa at 10%.

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

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $357	Free Cancellation	Rating 7.1 617 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $467	Free Cancellation	Rating 7.3 1,703 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $481	Free Cancellation	Rating 7.4 9,388 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 7,823 reviews	Search Lufthansa flights
British Airways	PriceFrom $527	Free Cancellation	Rating 6.7 7,775 reviews	Search British Airways flights

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Kotka

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

It is quick and easy to find Washington, D.C. to Helsinki flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helsinki that suits you.

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

All flight searches from Washington, D.C. to Helsinki on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Helsinki.

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

Of course. momondo tracks the price of Washington, D.C. to Helsinki flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington, D.C. to Helsinki from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Helsinki departing on 4/16. 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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How to get the cheapest flight ticket from Washington, D.C. to Helsinki

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

What is the cheapest month to fly to Helsinki?

How far in advance should I book a flight to Helsinki?

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

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

What is the cheapest airline that flies from Washington, D.C. to Helsinki-Vantaa?

What airlines fly to Helsinki?

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

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

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

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

How long does it take to fly to Helsinki?

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

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

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

Fastest flight time

Direct flights

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

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

Traveling to a place near Helsinki?

Why use momondo?

An easier way to manage your Helsinki 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.

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