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.

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

Icelandair, United Airlines, 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 23m.

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 62% 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.

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 15m on average. On the other hand, flying from Washington, D.C. to Helsinki takes 11h 32m 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 June 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.

$274 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 $1,074 to $714. The lowest price recently found on this route was $479.

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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.

7:40 pm - 12:55 pm

IAD

HEL

10h 15m

1 stop

1:55 pm - 6:30 pm

HEL

IAD

11h 35m

1 stop

$479Icelandair

Wed, Nov 11 - Wed, Nov 18

7:40 pm - 12:55 pm

BWI

HEL

10h 15m

1 stop

1:55 pm - 6:40 pm

HEL

BWI

11h 45m

1 stop

$485Icelandair

Thu, Nov 12 - Fri, Nov 20

7:40 pm - 12:55 pm

BWI

HEL

10h 15m

1 stop

1:55 pm - 6:40 pm

HEL

BWI

11h 45m

1 stop

$489Icelandair

Sun, Nov 8 - Sat, Nov 14

8:30 pm - 3:25 pm

IAD

HEL

11h 55m

1 stop

11:05 am - 5:15 pm

HEL

IAD

13h 10m

2 stops

$630Scandinavian Airlines

Wed, Nov 25 - Wed, Dec 2

12:00 pm - 10:35 am

DCA

HEL

15h 35m

2 stops

9:00 pm - 11:04 pm

HEL

DCA

33h 04m

2 stops

$701Scandinavian Airlines

Tue, Nov 10 - Sun, Nov 15

7:06 pm - 1:55 pm

DCA

HEL

12h 49m

1 stop

12:30 pm - 9:00 pm

HEL

DCA

15h 30m

1 stop

$715Finnair

Thu, Oct 29 - Tue, Nov 3

5:45 pm - 1:55 pm

DCA

HEL

13h 10m

1 stop

12:30 pm - 9:00 pm

HEL

DCA

15h 30m

1 stop

$723Finnair

Tue, Nov 10 - Sun, Nov 15

2:55 pm - 12:20 pm

DCA

HEL

15h 25m

2 stops

4:50 pm - 10:08 am

HEL

DCA

24h 18m

1 stop

$733British Airways

Thu, Oct 29 - Tue, Nov 3

7:59 pm - 4:25 pm

DCA

HEL

14h 26m

2 stops

6:50 am - 6:05 pm

HEL

DCA

18h 15m

2 stops

$748Delta

Thu, Oct 29 - Tue, Nov 3

6:38 am - 12:15 pm

DCA

HEL

22h 37m

2 stops

5:15 pm - 10:57 pm

HEL

DCA

12h 42m

1 stop

$761British Airways

Wed, Oct 7 - Mon, Oct 12

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

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

United Airlines

Sep 23

BWI12:10 pmBaltimore/Washington

17h 55m

2 stops

HEL1:05 pmHelsinki-Vantaa

Sep 30

HEL6:35 amHelsinki-Vantaa

17h 38m

2 stops

BWI5:13 pmBaltimore/Washington

$731

United Airlines

Sep 3

IAD6:15 amWashington, D.C. Dulles Intl

29h 40m

2 stops

HEL6:55 pmHelsinki-Vantaa

Sep 7

HEL1:50 pmHelsinki-Vantaa

33h 15m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$800

United Airlines

Aug 22

IAD10:20 pmWashington, D.C. Dulles Intl

13h 35m

1 stop

HEL6:55 pmHelsinki-Vantaa

Sep 2

HEL6:35 amHelsinki-Vantaa

16h 43m

2 stops

IAD4:18 pmWashington, D.C. Dulles Intl

$801

Icelandair flights from Washington, D.C. to Helsinki

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

Icelandair

Nov 12

BWI7:40 pmBaltimore/Washington

10h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Nov 20

HEL1:55 pmHelsinki-Vantaa

11h 45m

1 stop

BWI6:40 pmBaltimore/Washington

$485

Icelandair

Nov 8

BWI7:40 pmBaltimore/Washington

10h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Nov 14

HEL1:55 pmHelsinki-Vantaa

11h 45m

1 stop

BWI6:40 pmBaltimore/Washington

$489

Icelandair

Nov 7

BWI7:40 pmBaltimore/Washington

10h 15m

1 stop

HEL12:55 pmHelsinki-Vantaa

Nov 14

HEL1:55 pmHelsinki-Vantaa

11h 45m

1 stop

BWI6:40 pmBaltimore/Washington

$495

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 11/11

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Wed 11/18

1:55 pm-6:30 pm

1 stop11h 35m

$479

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Thu 11/12

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Fri 11/20

1:55 pm-6:40 pm

1 stop11h 45m

$485

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sun 11/8

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Sat 11/14

1:55 pm-6:40 pm

1 stop11h 45m

$489

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 11/25

8:30 pm-3:25 pm

1 stop11h 55m

Helsinki-Vantaa

Wed 12/2

11:05 am-5:15 pm

2 stops13h 10m

$630

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 11/10

12:00 pm-10:35 am

2 stops15h 35m

Helsinki-Vantaa

Sun 11/15

9:00 pm-11:04 pm

2 stops33h 04m

$701

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 10/29

7:06 pm-1:55 pm

1 stop12h 49m

Helsinki-Vantaa

Tue 11/3

12:30 pm-9:00 pm

1 stop15h 30m

$715

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Tue 11/10

5:45 pm-1:55 pm

1 stop13h 10m

Helsinki-Vantaa

Sun 11/15

12:30 pm-9:00 pm

1 stop15h 30m

$723

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 10/29

2:55 pm-12:20 pm

2 stops15h 25m

Helsinki-Vantaa

Tue 11/3

4:50 pm-10:08 am

1 stop24h 18m

$733

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 10/29

7:59 pm-4:25 pm

2 stops14h 26m

Helsinki-Vantaa

Tue 11/3

6:50 am-6:05 pm

2 stops18h 15m

$748

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 10/7

6:38 am-12:15 pm

2 stops22h 37m

Helsinki-Vantaa

Mon 10/12

5:15 pm-10:57 pm

1 stop12h 42m

$761

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 May is, on average, the cheapest month to fly to Helsinki from Washington, D.C., with most prices found around $337. If you aren’t able to travel during the month of May, then book flights to Helsinki from Washington, D.C. during February instead. Flights to Helsinki in February, while not as cheap as those in May, still average around $354.

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 $657 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 $412 on momondo.

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

You could potentially save up to 38% 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 June 2026, prices for Washington, D.C. to Helsinki flights are approximately 60% 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

Fastest flight time	10h 15m
Direct flights	None

The fastest flight from Washington, D.C. to Helsinki takes 10h 15m

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 15m 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 June 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 48% of all bookings. The subsequent popular airlines are Scandinavian Airlines at 15%, United Airlines at 12%, 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 $354	Free Cancellation	Rating 7.0 665 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 1,806 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 9,774 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 8,036 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.