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

Icelandair, KLM, and Delta 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 11h 38m 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.

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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $555.

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 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.

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 September 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.

$314 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.

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

22h 10m1 stop Kastrup Copenhagen

9:00 pm - 6:15 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Kastrup Copenhagen

$347Scandinavian Airlines

Mon, Oct 12 - Wed, Oct 28

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

22h 10m1 stop Kastrup Copenhagen

9:00 pm - 6:15 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

27h 15m1 stop Kastrup Copenhagen

$354Scandinavian Airlines

Mon, Oct 12 - Wed, Oct 28

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

$410Icelandair

Mon, Nov 16 - Fri, Nov 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

$410Icelandair

Wed, Jan 13 - Mon, Jan 25

12:00 pm - 11:00 amDCA Washington, D.C. Reagan-National-HEL Helsinki-Vantaa

16h 00m1 stop Dallas/Fort Worth

12:30 pm - 10:55 pmHEL Helsinki-Vantaa-DCA Washington, D.C. Reagan-National

16h 25m1 stop Dallas/Fort Worth

$501Finnair

Mon, Oct 12 - Wed, Oct 28

12:00 pm - 11:00 amDCA Washington, D.C. Reagan-National-HEL Helsinki-Vantaa

16h 00m1 stop Dallas/Fort Worth

12:30 pm - 10:55 pmHEL Helsinki-Vantaa-DCA Washington, D.C. Reagan-National

16h 25m1 stop Dallas/Fort Worth

$506Finnair

Mon, Oct 12 - Wed, Oct 28

11:55 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

$586United Airlines

Tue, Oct 27 - Tue, Nov 3

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

$587United Airlines

Tue, Nov 17 - Tue, Dec 1

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

12h 50m1 stop Munich Franz Josef Strauss

7:30 pm - 8:05 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

31h 35m1 stop Munich Franz Josef Strauss

$601Lufthansa

Tue, Oct 27 - Mon, Nov 2

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

12h 50m1 stop Munich Franz Josef Strauss

7:30 pm - 8:05 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

31h 35m1 stop Munich Franz Josef Strauss

$607Lufthansa

Tue, Nov 17 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

10:20 pm - 1:35 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

20h 15m1 stop Munich Franz Josef Strauss

7:40 pm - 7:25 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

30h 45m1 stop Munich Franz Josef Strauss

$643Lufthansa

Thu, Oct 1 - Thu, Oct 15

8:20 pm - 11:50 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

20h 30m2 stops Kastrup Copenhagen Stockholm Arlanda

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

17h 50m1 stop Kastrup Copenhagen

$662Scandinavian Airlines

Thu, Oct 1 - Fri, Oct 16

8:20 pm - 11:50 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

20h 30m2 stops Kastrup Copenhagen Stockholm Arlanda

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

17h 50m1 stop Kastrup Copenhagen

$662Scandinavian Airlines

Thu, Oct 1 - Sat, Oct 17

10:20 pm - 1:35 amIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

20h 15m1 stop Munich Franz Josef Strauss

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

13h 40m1 stop Frankfurt am Main

$684Lufthansa

Thu, Oct 1 - Fri, Oct 16

6:19 pm - 2:15 pmDCA Washington, D.C. Reagan-National-HEL Helsinki-Vantaa

12h 56m1 stop Chicago O'Hare Intl

4:25 pm - 11:59 pmHEL Helsinki-Vantaa-DCA Washington, D.C. Reagan-National

14h 34m1 stop Chicago O'Hare Intl

$686Multiple Airlines

Thu, Oct 1 - Thu, Oct 15

5:30 pm - 1:05 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

12h 35m1 stop Amsterdam Schiphol

1:55 pm - 3:35 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

32h 40m1 stop Amsterdam Schiphol

$778Delta

Thu, Oct 1 - Wed, Oct 14

11:20 pm - 2:00 pmBWI Baltimore/Washington-HEL Helsinki-Vantaa

31h 40m1 stop Reykjavik Keflavik Intl

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

14h 15m1 stop Reykjavik Keflavik Intl

$845Icelandair

Thu, Oct 1 - Thu, Oct 15

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

10h 30m1 stop Reykjavik Keflavik Intl

3:00 pm - 7:25 pmHEL Helsinki-Vantaa-BWI Baltimore/Washington

11h 25m1 stop Reykjavik Keflavik Intl

$885Icelandair

Thu, Oct 1 - Fri, Oct 16

10:30 am - 5:10 pmDCA Washington, D.C. Reagan-National-HEL Helsinki-Vantaa

23h 40m2 stops Newark Frankfurt am Main

6:55 am - 9:14 pmHEL Helsinki-Vantaa-DCA Washington, D.C. Reagan-National

21h 19m2 stops Frankfurt am Main Chicago O'Hare Intl

$969United Airlines

Thu, Oct 1 - Fri, Oct 16

8:20 pm - 6:55 pmIAD Washington, D.C. Dulles Intl-HEL Helsinki-Vantaa

39h 35m2 stops Zurich Munich Franz Josef Strauss

6:00 am - 10:52 pmHEL Helsinki-Vantaa-IAD Washington, D.C. Dulles Intl

23h 52m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$983United Airlines

Wed, Sep 30 - Wed, Oct 7

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

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

Scandinavian Airlines

Oct 12

IAD8:20 pmWashington, D.C. Dulles Intl

22h 10m

1 stop

HEL1:30 amHelsinki-Vantaa

Oct 28

HEL9:00 pmHelsinki-Vantaa

27h 15m

1 stop

IAD6:15 pmWashington, D.C. Dulles Intl

$347

Scandinavian Airlines

Oct 12

IAD8:20 pmWashington, D.C. Dulles Intl

22h 10m

1 stop

HEL1:30 amHelsinki-Vantaa

Oct 28

HEL9:00 pmHelsinki-Vantaa

27h 15m

1 stop

IAD6:15 pmWashington, D.C. Dulles Intl

$354

Scandinavian Airlines

Oct 26

IAD9:30 pmWashington, D.C. Dulles Intl

20h 20m

2 stops

HEL11:50 pmHelsinki-Vantaa

Oct 29

HEL6:15 amHelsinki-Vantaa

18h 00m

1 stop

IAD6:15 pmWashington, D.C. Dulles Intl

$389

Icelandair flights from Washington, D.C. to Helsinki

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

Icelandair

Nov 16

IAD7:40 pmWashington, D.C. Dulles Intl

10h 20m

1 stop

HEL1:00 pmHelsinki-Vantaa

Nov 20

HEL2:00 pmHelsinki-Vantaa

11h 30m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$410

Icelandair

Feb 21

IAD7:40 pmWashington, D.C. Dulles Intl

10h 20m

1 stop

HEL1:00 pmHelsinki-Vantaa

Mar 1

HEL2:00 pmHelsinki-Vantaa

11h 30m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$411

Icelandair

Feb 21

IAD7:40 pmWashington, D.C. Dulles Intl

10h 20m

1 stop

HEL1:00 pmHelsinki-Vantaa

Mar 1

HEL2:00 pmHelsinki-Vantaa

11h 30m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

$412

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

Mon 10/12

8:20 pm-1:30 am

1 stop22h 10m

Helsinki-Vantaa

Wed 10/28

9:00 pm-6:15 pm

1 stop27h 15m

$347

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Mon 10/12

8:20 pm-1:30 am

1 stop22h 10m

Helsinki-Vantaa

Wed 10/28

9:00 pm-6:15 pm

1 stop27h 15m

$354

Quickest round-trip

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Mon 11/16

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Fri 11/20

2:00 pm-6:30 pm

1 stop11h 30m

$410

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Wed 1/13

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Mon 1/25

2:00 pm-6:30 pm

1 stop11h 30m

$410

Washington, D.C.Helsinki

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

DCAHEL

Washington, D.C. Reagan-National

Mon 10/12

12:00 pm-11:00 am

1 stop16h 00m

Helsinki-Vantaa

Wed 10/28

12:30 pm-10:55 pm

1 stop16h 25m

$501

Washington, D.C.Helsinki

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

DCAHEL

Washington, D.C. Reagan-National

Mon 10/12

12:00 pm-11:00 am

1 stop16h 00m

Helsinki-Vantaa

Wed 10/28

12:30 pm-10:55 pm

1 stop16h 25m

$506

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Tue 10/27

11:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 11/3

12:35 pm-8:05 pm

1 stop14h 30m

$586

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Tue 11/17

10:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 12/1

12:35 pm-8:05 pm

1 stop14h 30m

$587

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Tue 10/27

11:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Mon 11/2

7:30 pm-8:05 pm

1 stop31h 35m

$601

Washington, D.C.Helsinki

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

IADHEL

Washington, D.C. Dulles Intl

Tue 11/17

10:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Mon 12/7

7:30 pm-8:05 pm

1 stop31h 35m

$607

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 $452 to $692.
The lowest price recently found on this route was $347.

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 $459. 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 $710 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 52% 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 September 2026, prices for Washington, D.C. to Helsinki flights are approximately 9% more expensive 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	$314
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 $314. The best round-trip flight deal from Washington, D.C. to Helsinki found on momondo in the last 72 hours is $347.

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 September 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 53% of all bookings. The subsequent popular airlines are Scandinavian Airlines at 22%, Lufthansa at 10%, and United Airlines at 9%.

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 6.9 753 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $400	Free Cancellation	Rating 7.4 1,997 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $491	Free Cancellation	Rating 7.4 10,244 reviews	Search United Airlines flights
Lufthansa	PriceFrom $493	Free Cancellation	Rating 6.8 8,240 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.