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 06m 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 airport is the most popular layover for flights between Washington, D.C. and Helsinki?

Reykjavik (KEF) was the most common stop: 50% 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?

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

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 $489.

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 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 51m.

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 61% 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.

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 August 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.

$300 Cheap Flights from Washington, D.C. to Helsinki in 2026

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 - 8:25 pm

IAD

HEL

17h 05m

1 stop

9:05 pm - 5:00 pm

HEL

IAD

26h 55m

1 stop

$369Scandinavian Airlines

Mon, Sep 14 - Wed, Sep 30

8:20 pm - 3:20 pm

IAD

HEL

12h 00m

1 stop

9:15 pm - 5:00 pm

HEL

IAD

26h 45m

2 stops

$371Scandinavian Airlines

Mon, Sep 14 - Wed, Sep 30

7:40 pm - 1:00 pm

IAD

HEL

10h 20m

1 stop

2:00 pm - 6:30 pm

HEL

IAD

11h 30m

1 stop

$460Icelandair

Sun, Nov 15 - Thu, Dec 3

7:40 pm - 1:00 pm

IAD

HEL

10h 20m

1 stop

2:00 pm - 6:30 pm

HEL

IAD

11h 30m

1 stop

$461Icelandair

Fri, Jan 15 - Sat, Jan 23

8:30 pm - 2:00 pm

BWI

HEL

10h 30m

1 stop

11:50 pm - 8:31 am

HEL

BWI

39h 41m

2 stops

$652Multiple Airlines

Wed, Sep 9 - Tue, Sep 15

8:20 pm - 4:40 pm

IAD

HEL

13h 20m

2 stops

5:30 am - 5:00 pm

HEL

IAD

18h 30m

3 stops

$698Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

10:55 pm - 6:45 pm

IAD

HEL

12h 50m

1 stop

7:00 am - 3:55 pm

HEL

IAD

15h 55m

1 stop

$729Lufthansa

Fri, Nov 6 - Tue, Nov 10

10:55 pm - 6:45 pm

IAD

HEL

12h 50m

1 stop

7:05 am - 3:55 pm

HEL

IAD

15h 50m

1 stop

$734Lufthansa

Tue, Nov 3 - Sun, Nov 8

5:35 pm - 6:45 pm

IAD

HEL

18h 10m

1 stop

12:35 pm - 12:14 am

HEL

IAD

18h 39m

2 stops

$764United Airlines

Wed, Jan 27 - Sun, Jan 31

10:44 pm - 11:50 am

IAD

HEL

30h 06m

2 stops

12:35 pm - 7:34 am

HEL

IAD

25h 59m

2 stops

$769United Airlines

Sun, Dec 27 - Sat, Jan 16

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

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

American Airlines

Nov 10

DCA11:55 amWashington, D.C. Reagan-National

16h 15m

1 stop

HEL11:10 amHelsinki-Vantaa

Nov 15

HEL4:50 pmHelsinki-Vantaa

22h 14m

1 stop

DCA8:04 amWashington, D.C. Reagan-National

$753

American Airlines

Aug 8

DCA5:23 pmWashington, D.C. Reagan-National

13h 52m

1 stop

HEL2:15 pmHelsinki-Vantaa

Aug 24

HEL12:35 pmHelsinki-Vantaa

15h 52m

1 stop

DCA9:27 pmWashington, D.C. Reagan-National

$1,152

American Airlines

Aug 12

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

16h 51m

1 stop

HEL2:50 pmHelsinki-Vantaa

Aug 17

HEL12:30 pmHelsinki-Vantaa

15h 43m

2 stops

DCA9:13 pmWashington, D.C. Reagan-National

$1,226

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

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

Scandinavian Airlines

Sep 14

IAD8:20 pmWashington, D.C. Dulles Intl

17h 05m

1 stop

HEL8:25 pmHelsinki-Vantaa

Sep 30

HEL9:05 pmHelsinki-Vantaa

26h 55m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$369

Scandinavian Airlines

Sep 14

IAD8:20 pmWashington, D.C. Dulles Intl

12h 00m

1 stop

HEL3:20 pmHelsinki-Vantaa

Sep 30

HEL9:15 pmHelsinki-Vantaa

26h 45m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$371

Scandinavian Airlines

Sep 14

IAD8:20 pmWashington, D.C. Dulles Intl

17h 05m

1 stop

HEL8:25 pmHelsinki-Vantaa

Sep 30

HEL9:05 pmHelsinki-Vantaa

26h 55m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$382

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 9/14

8:20 pm-8:25 pm

1 stop17h 05m

Helsinki-Vantaa

Wed 9/30

9:05 pm-5:00 pm

1 stop26h 55m

$369

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 9/14

8:20 pm-3:20 pm

1 stop12h 00m

Helsinki-Vantaa

Wed 9/30

9:15 pm-5:00 pm

2 stops26h 45m

$371

Quickest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 11/15

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Thu 12/3

2:00 pm-6:30 pm

1 stop11h 30m

$460

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 1/15

7:40 pm-1:00 pm

1 stop10h 20m

Helsinki-Vantaa

Sat 1/23

2:00 pm-6:30 pm

1 stop11h 30m

$461

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Wed 9/9

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Tue 9/15

11:50 pm-8:31 am

2 stops39h 41m

$652

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 9/9

8:20 pm-4:40 pm

2 stops13h 20m

Helsinki-Vantaa

Wed 9/16

5:30 am-5:00 pm

3 stops18h 30m

$698

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 11/6

10:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Tue 11/10

7:00 am-3:55 pm

1 stop15h 55m

$729

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 11/3

10:55 pm-6:45 pm

1 stop12h 50m

Helsinki-Vantaa

Sun 11/8

7:05 am-3:55 pm

1 stop15h 50m

$734

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 1/27

5:35 pm-6:45 pm

1 stop18h 10m

Helsinki-Vantaa

Sun 1/31

12:35 pm-12:14 am

2 stops18h 39m

$764

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 12/27

10:44 pm-11:50 am

2 stops30h 06m

Helsinki-Vantaa

Sat 1/16

12:35 pm-7:34 am

2 stops25h 59m

$769

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 $549 to $788.
The lowest price recently found on this route was $369.

What is the cheapest month to fly to Helsinki?

The month of March is, on average, the cheapest month to fly to Helsinki from Washington, D.C., with most prices found around $495. If you aren’t able to travel during the month of March, then book flights to Helsinki from Washington, D.C. during January instead. Flights to Helsinki in January, while not as cheap as those in March, still average around $495.

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 $681 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 $430 on momondo.

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

You could potentially save up to 58% 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 August 2026, prices for Washington, D.C. to Helsinki flights are approximately 21% 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

Fastest flight time	10h 20m
Direct flights	None

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 August 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 17%, 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 $354	Free Cancellation	Rating 7.0 716 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $406	Free Cancellation	Rating 7.4 1,912 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 10,063 reviews	Search United Airlines flights
Lufthansa	PriceFrom $493	Free Cancellation	Rating 6.8 8,167 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.