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 04m.

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.

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

Icelandair, Lufthansa, and Delta 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 Paris (CDG) offer the lowest average round-trip price of $516.

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 23m.

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 30m on average. On the other hand, flying from Washington, D.C. to Helsinki takes 12h 15m 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: 51% of momondo users choosing 1-stop flights on this route connected there.

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 April 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.

$290 Cheap Flights from Washington, D.C. to Helsinki in 2026

Q: 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 $734 to $526. The lowest price recently found on this route was $543.

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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 - 3:20 pm

IAD

HEL

12h 00m

1 stop

9:05 pm - 5:00 pm

HEL

IAD

26h 55m

1 stop

$543Scandinavian Airlines

Sun, Apr 26 - Sun, May 10

11:20 pm - 2:00 pm

IAD

HEL

31h 40m

1 stop

3:00 pm - 10:15 pm

HEL

IAD

14h 15m

1 stop

$546Icelandair

Fri, May 8 - Fri, May 15

8:20 pm - 1:30 am

IAD

HEL

22h 10m

1 stop

5:25 pm - 5:00 pm

HEL

IAD

30h 35m

2 stops

$562Scandinavian Airlines

Sun, Apr 26 - Sun, May 10

8:20 pm - 1:30 am

IAD

HEL

22h 10m

1 stop

6:10 am - 5:00 pm

HEL

IAD

17h 50m

1 stop

$566Scandinavian Airlines

Mon, Sep 21 - Mon, Sep 28

8:30 pm - 2:00 pm

IAD

HEL

10h 30m

1 stop

3:00 pm - 7:20 pm

HEL

IAD

11h 20m

1 stop

$573Icelandair

Sat, May 2 - Tue, May 12

8:30 pm - 2:00 pm

BWI

HEL

10h 30m

1 stop

3:00 pm - 7:25 pm

HEL

BWI

11h 25m

1 stop

$575Icelandair

Sun, Apr 26 - Sun, May 10

8:20 pm - 8:35 pm

IAD

HEL

17h 15m

2 stops

6:10 am - 5:00 pm

HEL

IAD

17h 50m

1 stop

$576Scandinavian Airlines

Mon, Sep 21 - Mon, Sep 28

1:20 pm - 6:40 pm

IAD

HEL

22h 20m

1 stop

7:00 pm - 12:45 pm

HEL

IAD

23h 45m

1 stop

$579Turkish Airlines

Tue, Oct 6 - Tue, Oct 27

2:54 pm - 2:50 pm

DCA

HEL

16h 56m

1 stop

4:25 pm - 10:54 pm

HEL

DCA

13h 29m

1 stop

$666British Airways

Wed, Aug 19 - Tue, Sep 22

2:54 pm - 2:50 pm

DCA

HEL

16h 56m

1 stop

4:25 pm - 10:15 pm

HEL

DCA

12h 50m

1 stop

$722British Airways

Wed, Aug 12 - Wed, Aug 26

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 26

IAD8:20 pmWashington, D.C. Dulles Intl

12h 00m

1 stop

HEL3:20 pmHelsinki-Vantaa

May 10

HEL9:05 pmHelsinki-Vantaa

26h 55m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$543

Scandinavian Airlines

Apr 26

IAD8:20 pmWashington, D.C. Dulles Intl

22h 10m

1 stop

HEL1:30 amHelsinki-Vantaa

May 10

HEL5:25 pmHelsinki-Vantaa

30h 35m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$562

Scandinavian Airlines

Sep 21

IAD8:20 pmWashington, D.C. Dulles Intl

22h 10m

1 stop

HEL1:30 amHelsinki-Vantaa

Sep 28

HEL6:10 amHelsinki-Vantaa

17h 50m

1 stop

IAD5:00 pmWashington, D.C. Dulles Intl

$566

Icelandair flights from Washington, D.C. to Helsinki

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

Icelandair

Apr 20

IAD8:30 pmWashington, D.C. Dulles Intl

10h 30m

1 stop

HEL2:00 pmHelsinki-Vantaa

May 4

HEL3:00 pmHelsinki-Vantaa

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$492

Icelandair

Apr 25

IAD8:30 pmWashington, D.C. Dulles Intl

10h 30m

1 stop

HEL2:00 pmHelsinki-Vantaa

May 8

HEL3:00 pmHelsinki-Vantaa

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$525

Icelandair

Apr 21

IAD8:30 pmWashington, D.C. Dulles Intl

10h 30m

1 stop

HEL2:00 pmHelsinki-Vantaa

Apr 27

HEL3:00 pmHelsinki-Vantaa

11h 20m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$533

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 4/26

8:20 pm-3:20 pm

1 stop12h 00m

Helsinki-Vantaa

Sun 5/10

9:05 pm-5:00 pm

1 stop26h 55m

$543

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 5/8

11:20 pm-2:00 pm

1 stop31h 40m

Helsinki-Vantaa

Fri 5/15

3:00 pm-10:15 pm

1 stop14h 15m

$546

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 4/26

8:20 pm-1:30 am

1 stop22h 10m

Helsinki-Vantaa

Sun 5/10

5:25 pm-5:00 pm

2 stops30h 35m

$562

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 9/21

8:20 pm-1:30 am

1 stop22h 10m

Helsinki-Vantaa

Mon 9/28

6:10 am-5:00 pm

1 stop17h 50m

$566

Quickest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sat 5/2

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Tue 5/12

3:00 pm-7:20 pm

1 stop11h 20m

$573

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sun 4/26

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Sun 5/10

3:00 pm-7:25 pm

1 stop11h 25m

$575

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 9/21

8:20 pm-8:35 pm

2 stops17h 15m

Helsinki-Vantaa

Mon 9/28

6:10 am-5:00 pm

1 stop17h 50m

$576

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 10/6

1:20 pm-6:40 pm

1 stop22h 20m

Helsinki-Vantaa

Tue 10/27

7:00 pm-12:45 pm

1 stop23h 45m

$579

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 8/19

2:54 pm-2:50 pm

1 stop16h 56m

Helsinki-Vantaa

Tue 9/22

4:25 pm-10:54 pm

1 stop13h 29m

$666

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 8/12

2:54 pm-2:50 pm

1 stop16h 56m

Helsinki-Vantaa

Wed 8/26

4:25 pm-10:15 pm

1 stop12h 50m

$722

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?

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 $605 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 $436 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 April 2026, prices for Washington, D.C. to Helsinki flights are approximately 13% 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 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

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 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 4 as of April 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 49% of all bookings. The subsequent popular airlines are Scandinavian Airlines at 15%, United Airlines at 11%, and Lufthansa 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 7.0 632 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $423	Free Cancellation	Rating 7.3 1,749 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 9,582 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 7,921 reviews	Search Lufthansa flights

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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.