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 21m.

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

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

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

Reykjavik (KEF) was the most common stop: 49% 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 $473.

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 58% 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?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 03m.

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 11h 03m 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 March 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.

$196 Cheap Flights from Washington, D.C. to Helsinki in 2026

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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.

11:20 pm - 2:00 pm

BWI

HEL

31h 40m

1 stop

3:00 pm - 7:25 pm

HEL

BWI

11h 25m

1 stop

$368Icelandair

jue., abr. 9 - mié., abr. 22

11:20 pm - 2:00 pm

BWI

HEL

31h 40m

1 stop

3:00 pm - 7:25 pm

HEL

BWI

11h 25m

1 stop

$429Icelandair

jue., abr. 9 - mié., abr. 22

11:20 pm - 2:00 pm

BWI

HEL

31h 40m

1 stop

3:00 pm - 7:25 pm

HEL

BWI

11h 25m

1 stop

$430Icelandair

jue., abr. 9 - mié., abr. 22

8:20 pm - 8:25 pm

IAD

HEL

17h 05m

1 stop

9:05 pm - 5:00 pm

HEL

IAD

26h 55m

1 stop

$432Scandinavian Airlines

lun., abr. 20 - mié., abr. 29

8:20 pm - 10:35 am

IAD

HEL

31h 15m

1 stop

11:05 am - 5:00 pm

HEL

IAD

36h 55m

2 stops

$441Scandinavian Airlines

lun., abr. 20 - mar., may. 5

3:50 pm - 2:15 pm

DCA

HEL

15h 25m

1 stop

4:25 pm - 11:59 pm

HEL

DCA

14h 34m

1 stop

$632Multiple Airlines

mié., sep. 2 - mié., sep. 30

1:33 pm - 11:05 am

DCA

HEL

14h 32m

1 stop

5:15 pm - 7:58 am

HEL

DCA

21h 43m

1 stop

$654Multiple Airlines

mar., sep. 1 - lun., sep. 21

5:10 pm - 2:00 pm

DCA

HEL

13h 50m

2 stops

4:25 pm - 11:57 pm

HEL

DCA

14h 32m

1 stop

$663American Airlines

mar., abr. 28 - mié., may. 6

5:00 pm - 4:40 pm

DCA

HEL

16h 40m

2 stops

7:15 am - 5:30 pm

HEL

DCA

17h 15m

2 stops

$670Delta

mar., abr. 28 - mar., may. 5

5:34 pm - 4:40 pm

DCA

HEL

16h 06m

2 stops

1:55 pm - 11:40 pm

HEL

DCA

16h 45m

2 stops

$675Delta

mar., abr. 28 - dom., may. 3

Finnair flights from Washington, D.C. to Helsinki

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

Finnair

Apr 28

DCA5:31 pmWashington, D.C. Reagan-National

13h 29m

1 stop

HEL2:00 pmHelsinki-Vantaa

May 6

HEL5:15 pmHelsinki-Vantaa

12h 14m

1 stop

DCA10:29 pmWashington, D.C. Reagan-National

$635

Finnair

Apr 29

DCA5:31 pmWashington, D.C. Reagan-National

13h 29m

1 stop

HEL2:00 pmHelsinki-Vantaa

May 12

HEL5:15 pmHelsinki-Vantaa

12h 14m

1 stop

DCA10:29 pmWashington, D.C. Reagan-National

$676

Finnair

Apr 14

DCA5:31 pmWashington, D.C. Reagan-National

13h 29m

1 stop

HEL2:00 pmHelsinki-Vantaa

Apr 21

HEL5:15 pmHelsinki-Vantaa

12h 14m

1 stop

DCA10:29 pmWashington, D.C. Reagan-National

$780

Delta flights from Washington, D.C. to Helsinki

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

Delta

Apr 28

DCA5:00 pmWashington, D.C. Reagan-National

16h 40m

2 stops

HEL4:40 pmHelsinki-Vantaa

May 5

HEL7:15 amHelsinki-Vantaa

17h 15m

2 stops

DCA5:30 pmWashington, D.C. Reagan-National

$670

Delta

Apr 28

DCA5:34 pmWashington, D.C. Reagan-National

16h 06m

2 stops

HEL4:40 pmHelsinki-Vantaa

May 3

HEL1:55 pmHelsinki-Vantaa

16h 45m

2 stops

DCA11:40 pmWashington, D.C. Reagan-National

$675

Delta

Apr 9

DCA12:29 pmWashington, D.C. Reagan-National

17h 36m

2 stops

HEL1:05 pmHelsinki-Vantaa

Apr 22

HEL7:00 amHelsinki-Vantaa

18h 59m

2 stops

DCA6:59 pmWashington, D.C. Reagan-National

$683

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

jue. 4/9

11:20 pm-2:00 pm

1 stop31h 40m

Helsinki-Vantaa

mié. 4/22

3:00 pm-7:25 pm

1 stop11h 25m

$368

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

jue. 4/9

11:20 pm-2:00 pm

1 stop31h 40m

Helsinki-Vantaa

mié. 4/22

3:00 pm-7:25 pm

1 stop11h 25m

$429

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

jue. 4/9

11:20 pm-2:00 pm

1 stop31h 40m

Helsinki-Vantaa

mié. 4/22

3:00 pm-7:25 pm

1 stop11h 25m

$430

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 4/20

8:20 pm-8:25 pm

1 stop17h 05m

Helsinki-Vantaa

mié. 4/29

9:05 pm-5:00 pm

1 stop26h 55m

$432

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 4/20

8:20 pm-10:35 am

1 stop31h 15m

Helsinki-Vantaa

mar. 5/5

11:05 am-5:00 pm

2 stops36h 55m

$441

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mié. 9/2

3:50 pm-2:15 pm

1 stop15h 25m

Helsinki-Vantaa

mié. 9/30

4:25 pm-11:59 pm

1 stop14h 34m

$632

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 9/1

1:33 pm-11:05 am

1 stop14h 32m

Helsinki-Vantaa

lun. 9/21

5:15 pm-7:58 am

1 stop21h 43m

$654

Quickest round-trip

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 4/28

5:10 pm-2:00 pm

2 stops13h 50m

Helsinki-Vantaa

mié. 5/6

4:25 pm-11:57 pm

1 stop14h 32m

$663

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 4/28

5:00 pm-4:40 pm

2 stops16h 40m

Helsinki-Vantaa

mar. 5/5

7:15 am-5:30 pm

2 stops17h 15m

$670

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

mar. 4/28

5:34 pm-4:40 pm

2 stops16h 06m

Helsinki-Vantaa

dom. 5/3

1:55 pm-11:40 pm

2 stops16h 45m

$675

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 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 $601 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 $463 on momondo.

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

You could potentially save up to 53% 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 March 2026, prices for Washington, D.C. to Helsinki flights are approximately 47% 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 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

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 March 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 46% of all bookings. The subsequent popular airlines are Scandinavian Airlines at 15%, 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 $357	Free Cancellation	Rating 7.1 622 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $467	Free Cancellation	Rating 7.3 1,719 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $481	Free Cancellation	Rating 7.4 9,442 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 7,856 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.

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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.