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

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 50m.

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 65% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 4 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

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

Reykjavik (KEF) was the most common stop: 51% of momondo users choosing 1-stop flights on this route connected there.

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 25m.

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 $555.

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 20m on average. On the other hand, flying from Washington, D.C. to Helsinki takes 11h 31m 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, Delta, and Finnair 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 4 as of October 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.

$295 Cheap Flights from Washington, D.C. to Helsinki in 2026/27

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 3:25 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

11h 55m1 stop Kastrup Copenhagen

9:00 pm - 5:15 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Kastrup Copenhagen

$382Scandinavian Airlines

Wed, Feb 3 - Tue, Feb 9

4:45 pm - 3:25 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

15h 40m1 stop Kastrup Copenhagen

6:15 am - 5:15 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

18h 00m1 stop Kastrup Copenhagen

$386Scandinavian Airlines

Wed, Jan 27 - Wed, Feb 3

7:40 pm - 1:00 pmBWI Baltimore/Washington-HEL Helsinki-Vantaa

10h 20m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:40 pmHEL Helsinki-Vantaa-BWI Baltimore/Washington

11h 40m1 stop Reykjavik Keflavik Intl

$576Icelandair

Thu, Dec 31 - Mon, Jan 11

7:40 pm - 1:00 pmBWI Baltimore/Washington-HEL Helsinki-Vantaa

10h 20m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:40 pmHEL Helsinki-Vantaa-BWI Baltimore/Washington

11h 40m1 stop Reykjavik Keflavik Intl

$576Icelandair

Thu, Dec 31 - Tue, Jan 12

12:35 pm - 10:25 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

26h 50m3 stops New York John F Kennedy Intl Kastrup Copenhagen Stockholm Arlanda

7:20 am - 5:15 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

16h 55m2 stops Stockholm Arlanda Kastrup Copenhagen

$686Multiple Airlines

Wed, Dec 2 - Wed, Dec 9

10:20 pm - 11:20 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

31h 00m1 stop Istanbul

12:15 pm - 11:45 amHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

30h 30m1 stop Istanbul

$703Turkish Airlines

Sun, Oct 25 - Tue, Nov 10

10:20 pm - 6:55 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

13h 35m1 stop Munich Franz Josef Strauss

6:45 am - 3:55 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

16h 10m1 stop Frankfurt am Main

$708Lufthansa

Tue, Mar 30 - Fri, Apr 9

10:20 pm - 6:55 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

13h 35m1 stop Munich Franz Josef Strauss

6:45 am - 3:55 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

16h 10m1 stop Frankfurt am Main

$708Lufthansa

Wed, Mar 31 - Fri, Apr 9

10:55 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

12h 50m1 stop Munich Franz Josef Strauss

12:35 pm - 11:51 amHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

30h 16m2 stops Munich Franz Josef Strauss Newark

$720United Airlines

Sun, Jan 3 - Tue, Jan 12

10:55 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

12h 50m1 stop Munich Franz Josef Strauss

12:35 pm - 3:35 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

34h 00m1 stop Munich Franz Josef Strauss

$720United Airlines

Sun, Jan 3 - Tue, Jan 12

Cheap last minute flights

Enter your travel dates to find the best prices.

8:20 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

12h 00m1 stop Kastrup Copenhagen

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

17h 50m1 stop Kastrup Copenhagen

$731Scandinavian Airlines

Mon, Oct 12 - Mon, Oct 19

1:15 pm - 11:10 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

14h 55m1 stop Istanbul

12:05 pm - 11:30 amHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

30h 25m1 stop Istanbul

$744Turkish Airlines

Mon, Oct 12 - Mon, Oct 19

6:08 am - 10:35 amDCA Washington, D.C. Reagan-National-HEL Helsinki-Vantaa

45h 27m2 stops New York John F Kennedy Intl Kastrup Copenhagen

9:05 pm - 10:00 pmHEL Helsinki-Vantaa-DCA Washington, D.C. Reagan-National

31h 55m2 stops Kastrup Copenhagen Boston Logan Intl

$750Scandinavian Airlines

Mon, Oct 12 - Mon, Oct 19

1:15 pm - 11:10 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

14h 55m1 stop Istanbul

12:05 pm - 11:30 amHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

30h 25m1 stop Istanbul

$762Turkish Airlines

Mon, Oct 12 - Mon, Oct 19

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

10h 30m1 stop Reykjavik Keflavik Intl

3:00 pm - 10:15 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

14h 15m1 stop Reykjavik Keflavik Intl

$788Icelandair

Thu, Oct 15 - Wed, Oct 21

8:30 pm - 2:00 pmBWI Baltimore/Washington-HEL Helsinki-Vantaa

10h 30m1 stop Reykjavik Keflavik Intl

3:00 pm - 10:15 pmHEL Helsinki-Vantaa-BWI Baltimore/Washington

14h 15m1 stop Reykjavik Keflavik Intl

$821Icelandair

Mon, Oct 12 - Tue, Oct 20

10:19 pm - 6:55 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

37h 36m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:00 am - 7:25 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

20h 25m1 stop Munich Franz Josef Strauss

$1,217United Airlines

Sat, Oct 10 - Wed, Oct 14

10:20 pm - 6:55 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

13h 35m1 stop Munich Franz Josef Strauss

6:35 am - 1:35 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

14h 00m1 stop Frankfurt am Main

$1,246Lufthansa

Sat, Oct 10 - Wed, Oct 14

3:25 pm - 12:05 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

13h 40m2 stops Frankfurt am Main Munich Franz Josef Strauss

6:00 am - 4:05 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

17h 05m2 stops Munich Franz Josef Strauss Frankfurt am Main

$1,269Lufthansa

Sun, Oct 11 - Tue, Oct 13

8:20 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

13h 40m2 stops Zurich Frankfurt am Main

6:55 am - 1:35 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

13h 40m1 stop Frankfurt am Main

$1,644United Airlines

Sat, Oct 10 - Mon, Oct 12

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British Airways flights from Washington, D.C. to Helsinki

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

British Airways

Feb 23

DCA2:59 pmWashington, D.C. Reagan-National

14h 21m

2 stops

HEL12:20 pmHelsinki-Vantaa

Mar 3

HEL4:50 pmHelsinki-Vantaa

33h 31m

1 stop

DCA7:21 pmWashington, D.C. Reagan-National

$708

British Airways

Mar 31

DCA6:00 amWashington, D.C. Reagan-National

23h 15m

2 stops

HEL12:15 pmHelsinki-Vantaa

Apr 10

HEL4:50 pmHelsinki-Vantaa

27h 04m

1 stop

DCA12:54 pmWashington, D.C. Reagan-National

$713

British Airways

Feb 23

DCA2:59 pmWashington, D.C. Reagan-National

14h 21m

2 stops

HEL12:20 pmHelsinki-Vantaa

Mar 3

HEL4:50 pmHelsinki-Vantaa

33h 31m

1 stop

DCA7:21 pmWashington, D.C. Reagan-National

$723

Delta flights from Washington, D.C. to Helsinki

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

Delta

Feb 23

BWI5:30 pmBaltimore/Washington

16h 10m

2 stops

HEL4:40 pmHelsinki-Vantaa

Mar 3

HEL6:40 amHelsinki-Vantaa

19h 40m

2 stops

BWI7:20 pmBaltimore/Washington

$720

Delta

Mar 22

DCA2:35 pmWashington, D.C. Reagan-National

20h 05m

2 stops

HEL4:40 pmHelsinki-Vantaa

Mar 25

HEL6:40 amHelsinki-Vantaa

18h 39m

2 stops

DCA7:19 pmWashington, D.C. Reagan-National

$721

Delta

Mar 21

DCA5:00 pmWashington, D.C. Reagan-National

18h 25m

2 stops

HEL5:25 pmHelsinki-Vantaa

Mar 26

HEL6:40 amHelsinki-Vantaa

22h 23m

2 stops

DCA11:03 pmWashington, D.C. Reagan-National

$725

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 2/3

8:30 pm-3:25 pm

1 stop11h 55m

Helsinki-Vantaa

Tue 2/9

9:00 pm-5:15 pm

1 stop27h 15m

$382

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 1/27

4:45 pm-3:25 pm

1 stop15h 40m

Helsinki-Vantaa

Wed 2/3

6:15 am-5:15 pm

1 stop18h 00m

$386

Quickest round-trip

BaltimoreHelsinki

BWI Baltimore/Washington - HEL Helsinki-Vantaa

BWIHEL

Baltimore/Washington

Thu 12/31

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Mon 1/11

2:00 pm-6:40 pm

1 stop11h 40m

$576

BaltimoreHelsinki

BWI Baltimore/Washington - HEL Helsinki-Vantaa

BWIHEL

Baltimore/Washington

Thu 12/31

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Tue 1/12

2:00 pm-6:40 pm

1 stop11h 40m

$576

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 12/2

12:35 pm-10:25 pm

3 stops26h 50m

Helsinki-Vantaa

Wed 12/9

7:20 am-5:15 pm

2 stops16h 55m

$686

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Sun 10/25

10:20 pm-11:20 am

1 stop31h 00m

Helsinki-Vantaa

Tue 11/10

12:15 pm-11:45 am

1 stop30h 30m

$703

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Tue 3/30

10:20 pm-6:55 pm

1 stop13h 35m

Helsinki-Vantaa

Fri 4/9

6:45 am-3:55 pm

1 stop16h 10m

$708

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 3/31

10:20 pm-6:55 pm

1 stop13h 35m

Helsinki-Vantaa

Fri 4/9

6:45 am-3:55 pm

1 stop16h 10m

$708

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Sun 1/3

10:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 1/12

12:35 pm-11:51 am

2 stops30h 16m

$720

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Sun 1/3

10:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 1/12

12:35 pm-3:35 pm

1 stop34h 00m

$720

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 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?

Prices are currently low for flights on this route.

Typical prices usually range from $403 to $665.
The lowest price recently found on this route was $382.

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 $464. 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 $521.

How far in advance should I book a flight from Washington, D.C. 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 $715 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 $575 on momondo.

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

You could potentially save up to 29% 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 October 2026, prices for Washington, D.C. to Helsinki flights are approximately 8% 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

Best Price Found	$295
Fastest flight time	10h 20m
Direct flights	None

The best one-way flight to Helsinki from Washington, D.C. in the past 72 hours is $295. The best round-trip flight deal from Washington, D.C. to Helsinki found on momondo in the last 72 hours is $382.

The fastest flight from Washington, D.C. to Helsinki takes 10h 20m

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

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

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 20m 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 4 as of October 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 55% of all bookings. The subsequent popular airlines are Scandinavian Airlines at 22%, Lufthansa at 10%, and United Airlines at 5%.

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 $355	Free Cancellation	Rating 6.9 758 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 2,010 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $491	Free Cancellation	Rating 7.4 10,319 reviews	Search United Airlines flights
Lufthansa	PriceFrom $540	Free Cancellation	Rating 6.8 8,271 reviews	Search Lufthansa flights

Vantaa

Espoo

Lahti

Kotka

Why use momondo?

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.