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 66% 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 layover airport offers the lowest fares from Washington, D.C. to Helsinki?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $620.

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 24m.

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.

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

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

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 12h 57m 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.

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 November 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.

$260 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.

8:10 pm - 11:50 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

20h 40m2 stops Kastrup Copenhagen Stockholm Arlanda

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

17h 50m1 stop Kastrup Copenhagen

$371Scandinavian Airlines

Tue, Apr 20 - Tue, Apr 27

8:30 pm - 1:35 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

22h 05m1 stop Kastrup Copenhagen

9:00 pm - 3:15 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

25h 15m2 stops Stockholm Arlanda Kastrup Copenhagen

$371Scandinavian Airlines

Thu, Jan 21 - Tue, Jan 26

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

10h 30m1 stop Reykjavik Keflavik Intl

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

11h 20m1 stop Reykjavik Keflavik Intl

$564Icelandair

Wed, Apr 14 - Tue, Apr 20

7:40 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

10h 20m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:30 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

11h 30m1 stop Reykjavik Keflavik Intl

$564Icelandair

Tue, Feb 23 - Wed, Mar 3

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

28h 50m3 stops Kastrup Copenhagen Stockholm Arlanda Riga Intl

9:00 pm - 3:15 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

25h 15m2 stops Stockholm Arlanda Kastrup Copenhagen

$593Multiple Airlines

Thu, Jan 21 - Tue, Jan 26

2:59 pm - 2:30 pmDCA Washington, D.C. Reagan-National-HEL Helsinki-Vantaa

16h 31m1 stop Toronto Pearson Intl

4:50 pm - 12:54 pmHEL Helsinki-Vantaa-DCA Washington, D.C. Reagan-National

27h 04m1 stop Toronto Pearson Intl

$626British Airways

Sat, Apr 10 - Wed, Apr 28

11:55 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

12h 50m1 stop Munich Franz Josef Strauss

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

16h 00m1 stop Frankfurt am Main

$696Lufthansa

Tue, Mar 23 - Tue, Mar 30

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

13h 35m1 stop Munich Franz Josef Strauss

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

16h 00m1 stop Frankfurt am Main

$696Lufthansa

Wed, Apr 21 - Tue, Apr 27

11:55 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

12h 50m1 stop Munich Franz Josef Strauss

12:35 pm - 9:05 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

14h 30m1 stop Munich Franz Josef Strauss

$719United Airlines

Wed, Mar 17 - Tue, Mar 23

11:55 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

12h 50m1 stop Munich Franz Josef Strauss

12:35 pm - 11:00 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

16h 25m2 stops Munich Franz Josef Strauss Newark

$729United Airlines

Wed, Mar 17 - Tue, Mar 23

Cheap last minute 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

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

18h 00m1 stop Kastrup Copenhagen

$571Scandinavian Airlines

Mon, Nov 9 - Wed, Nov 18

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

11h 55m1 stop Kastrup Copenhagen

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

18h 00m1 stop Kastrup Copenhagen

$574Scandinavian Airlines

Mon, Nov 9 - Wed, Nov 18

9:20 pm - 11:20 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

31h 00m1 stop Istanbul

7:05 pm - 7:25 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

31h 20m1 stop Istanbul

$722Turkish Airlines

Wed, Nov 11 - Tue, Nov 17

1:30 pm - 6:10 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

21h 40m1 stop Istanbul

7:05 pm - 11:45 amHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

23h 40m1 stop Istanbul

$763Turkish Airlines

Wed, Nov 11 - Tue, Nov 17

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

$2,186Lufthansa

Tue, Nov 10 - Tue, Nov 24

10:10 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

11h 40m1 stop Frankfurt am Main

12:35 pm - 8:05 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

14h 30m1 stop Munich Franz Josef Strauss

$2,198Lufthansa

Tue, Nov 10 - Wed, Nov 25

7:40 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

10h 20m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:30 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

11h 30m1 stop Reykjavik Keflavik Intl

$2,320Icelandair

Thu, Nov 12 - Thu, Nov 26

7:40 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

10h 20m1 stop Reykjavik Keflavik Intl

2:00 pm - 6:30 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

11h 30m1 stop Reykjavik Keflavik Intl

$2,320Icelandair

Thu, Nov 12 - Wed, Nov 25

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

12h 50m1 stop Munich Franz Josef Strauss

12:35 pm - 8:05 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

14h 30m1 stop Munich Franz Josef Strauss

$7,654United Airlines

Fri, Nov 13 - Wed, Nov 25

5:35 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

18h 10m1 stop Munich Franz Josef Strauss

12:35 pm - 8:05 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

14h 30m1 stop Munich Franz Josef Strauss

$7,654United Airlines

Fri, Nov 13 - Mon, Nov 23

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

IAD8:10 pmWashington, D.C. Dulles Intl

20h 40m

2 stops

HEL11:50 pmHelsinki-Vantaa

Apr 27

HEL6:10 amHelsinki-Vantaa

17h 50m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$371

Scandinavian Airlines

Jan 21

IAD8:30 pmWashington, D.C. Dulles Intl

20h 20m

2 stops

HEL11:50 pmHelsinki-Vantaa

Jan 26

HEL9:00 pmHelsinki-Vantaa

25h 15m

2 stops

IAD3:15 pmWashington, D.C. Dulles Intl

$372

Scandinavian Airlines

Apr 20

IAD8:10 pmWashington, D.C. Dulles Intl

20h 40m

2 stops

HEL11:50 pmHelsinki-Vantaa

Apr 27

HEL7:15 amHelsinki-Vantaa

16h 45m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$384

Finnair flights from Washington, D.C. to Helsinki

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

Finnair

Apr 20

DCA11:58 amWashington, D.C. Reagan-National

16h 12m

1 stop

HEL11:10 amHelsinki-Vantaa

Apr 27

HEL12:55 pmHelsinki-Vantaa

16h 22m

1 stop

DCA10:17 pmWashington, D.C. Reagan-National

$698

Finnair

Apr 4

DCA2:23 pmWashington, D.C. Reagan-National

12h 52m

1 stop

HEL10:15 amHelsinki-Vantaa

Apr 18

HEL12:55 pmHelsinki-Vantaa

13h 03m

1 stop

DCA6:58 pmWashington, D.C. Reagan-National

$743

Finnair

Mar 22

DCA1:43 pmWashington, D.C. Reagan-National

15h 17m

1 stop

HEL11:00 amHelsinki-Vantaa

Mar 30

HEL12:55 pmHelsinki-Vantaa

15h 19m

1 stop

DCA9:14 pmWashington, D.C. Reagan-National

$747

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

Tue 4/20

8:10 pm-11:50 pm

2 stops20h 40m

Helsinki-Vantaa

Tue 4/27

6:10 am-5:00 pm

1 stop17h 50m

$371

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Thu 1/21

8:30 pm-1:35 am

1 stop22h 05m

Helsinki-Vantaa

Tue 1/26

9:00 pm-3:15 pm

2 stops25h 15m

$371

Quickest round-trip

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 4/14

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Tue 4/20

3:00 pm-7:20 pm

1 stop11h 20m

$564

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Tue 2/23

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Wed 3/3

2:00 pm-6:30 pm

1 stop11h 30m

$564

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Thu 1/21

8:30 pm-8:20 am

3 stops28h 50m

Helsinki-Vantaa

Tue 1/26

9:00 pm-3:15 pm

2 stops25h 15m

$593

Washington, D.C.Helsinki

DCA Washington, D.C. Reagan-National - HEL Helsinki-Vantaa

DCAHEL

Washington, D.C. Reagan-National

Sat 4/10

2:59 pm-2:30 pm

1 stop16h 31m

Helsinki-Vantaa

Wed 4/28

4:50 pm-12:54 pm

1 stop27h 04m

$626

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Tue 3/23

11:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 3/30

6:55 am-3:55 pm

1 stop16h 00m

$696

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 4/21

10:20 pm-6:55 pm

1 stop13h 35m

Helsinki-Vantaa

Tue 4/27

6:55 am-3:55 pm

1 stop16h 00m

$696

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 3/17

11:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 3/23

12:35 pm-9:05 pm

1 stop14h 30m

$719

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 3/17

11:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 3/23

12:35 pm-11:00 pm

2 stops16h 25m

$729

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 $466 to $765.
The lowest price recently found on this route was $371.

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 $461. 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 $524.

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 $741 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 34% 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?

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	$260
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 $260. The best round-trip flight deal from Washington, D.C. to Helsinki found on momondo in the last 72 hours is $371.

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 November 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 50% of all bookings. The subsequent popular airlines are Scandinavian Airlines at 28%, Lufthansa at 11%, 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 $357	Free Cancellation	Rating 6.9 767 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.5 2,024 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $481	Free Cancellation	Rating 7.3 10,475 reviews	Search United Airlines flights
Lufthansa	PriceFrom $540	Free Cancellation	Rating 6.8 8,297 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.