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.

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

Reykjavik (KEF) was the most common stop: 45% 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 Paris (CDG) offer the lowest average round-trip price of $516.

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

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

Which layover airport has the shortest connection time from Washington, D.C. to Helsinki?

Copenhagen (CPH) has the shortest average layover time for this route: 0h 50m.

What airlines fly to Helsinki?

Icelandair, Lufthansa and Scandinavian Airlines 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 63% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 8 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 04m 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 8 as of September 2025.

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.

$320 Cheap Flights from Washington, D.C. to Helsinki in 2025/26

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One-way

Last minute

Cheap round-trip flights

8:40 pm - 12:55 pmIAD-HEL

10h 15m1 stop

1:55 pm - 6:30 pmHEL-IAD

11h 35m1 stop

$375Icelandair

Find Deal

jue., oct. 30 - mié., nov. 12

7:40 pm - 12:55 pmIAD-HEL

10h 15m1 stop

1:55 pm - 6:30 pmHEL-IAD

11h 35m1 stop

$376Icelandair

Find Deal

mié., feb. 11 - mié., feb. 18

7:59 pm - 10:40 amIAD-HEL

31h 41m2 stops

9:00 pm - 5:15 pmHEL-IAD

27h 15m1 stop

$412Scandinavian Airlines

Find Deal

mié., dic. 3 - mié., dic. 10

12:09 pm - 10:40 amIAD-HEL

16h 31m3 stops

6:15 am - 7:50 pmHEL-IAD

19h 35m1 stop

$417Scandinavian Airlines

Find Deal

mar., oct. 28 - sáb., nov. 1

1:27 pm - 10:45 amBWI-HEL

15h 18m1 stop

12:30 pm - 11:02 pmHEL-BWI

17h 32m1 stop

$482American Airlines

Find Deal

lun., oct. 27 - lun., nov. 10

7:06 pm - 1:55 pmDCA-HEL

12h 49m1 stop

12:30 pm - 11:00 pmHEL-DCA

17h 30m1 stop

$483American Airlines

Find Deal

jue., oct. 30 - mié., nov. 12

3:20 pm - 12:00 pmDCA-HEL

14h 40m2 stops

6:55 am - 3:31 pmHEL-DCA

15h 36m2 stops

$507United Airlines

Find Deal

jue., oct. 30 - jue., nov. 6

1:10 pm - 1:10 pmBWI-HEL

17h 00m2 stops

6:55 am - 9:19 pmHEL-BWI

21h 24m2 stops

$521United Airlines

Find Deal

mié., dic. 3 - mié., dic. 10

8:35 pm - 11:15 pmBWI-HEL

43h 40m2 stops

7:35 pm - 6:45 pmHEL-BWI

30h 10m1 stop

$587British Airways

Find Deal

jue., dic. 4 - mar., dic. 9

8:35 pm - 11:15 pmBWI-HEL

43h 40m2 stops

11:10 am - 6:45 pmHEL-BWI

38h 35m2 stops

$588British Airways

Find Deal

jue., dic. 4 - mar., dic. 9

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

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

Scandinavian Airlines

Dec 3

IAD7:59 pmWashington, D.C. Dulles Intl

31h 41m

2 stops

HEL10:40 amHelsinki-Vantaa

Dec 10

HEL9:00 pmHelsinki-Vantaa

27h 15m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

$412

Find similar

Scandinavian Airlines

Oct 28

IAD12:09 pmWashington, D.C. Dulles Intl

16h 31m

3 stops

HEL10:40 amHelsinki-Vantaa

Nov 1

HEL6:15 amHelsinki-Vantaa

19h 35m

1 stop

IAD7:50 pmWashington, D.C. Dulles Intl

$417

Find similar

Scandinavian Airlines

Dec 3

IAD7:59 pmWashington, D.C. Dulles Intl

31h 41m

2 stops

HEL10:40 amHelsinki-Vantaa

Dec 10

HEL9:00 pmHelsinki-Vantaa

27h 15m

1 stop

IAD5:15 pmWashington, D.C. Dulles Intl

$422

Find similar

Air Canada flights from Washington, D.C. to Helsinki

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

Air Canada

Dec 1

DCA11:05 amWashington, D.C. Reagan-National

24h 45m

2 stops

HEL6:50 pmHelsinki-Vantaa

Dec 8

HEL12:45 pmHelsinki-Vantaa

28h 41m

2 stops

DCA10:26 amWashington, D.C. Reagan-National

$481

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Air Canada

Oct 27

DCA11:05 amWashington, D.C. Reagan-National

25h 45m

2 stops

HEL6:50 pmHelsinki-Vantaa

Nov 10

HEL1:55 pmHelsinki-Vantaa

26h 00m

2 stops

DCA8:55 amWashington, D.C. Reagan-National

$509

Find similar

Air Canada

Nov 17

DCA4:10 pmWashington, D.C. Reagan-National

19h 40m

2 stops

HEL6:50 pmHelsinki-Vantaa

Nov 23

HEL12:45 pmHelsinki-Vantaa

16h 11m

2 stops

DCA9:56 pmWashington, D.C. Reagan-National

$513

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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

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

jue. 10/30

8:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mié. 11/12

1:55 pm-6:30 pm

1 stop11h 35m

$375

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 2/11

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mié. 2/18

1:55 pm-6:30 pm

1 stop11h 35m

$376

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 12/3

7:59 pm-10:40 am

2 stops31h 41m

Helsinki-Vantaa

mié. 12/10

9:00 pm-5:15 pm

1 stop27h 15m

$412

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mar. 10/28

12:09 pm-10:40 am

3 stops16h 31m

Helsinki-Vantaa

sáb. 11/1

6:15 am-7:50 pm

1 stop19h 35m

$417

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

lun. 10/27

1:27 pm-10:45 am

1 stop15h 18m

Helsinki-Vantaa

lun. 11/10

12:30 pm-11:02 pm

1 stop17h 32m

$482

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

jue. 10/30

7:06 pm-1:55 pm

1 stop12h 49m

Helsinki-Vantaa

mié. 11/12

12:30 pm-11:00 pm

1 stop17h 30m

$483

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

jue. 10/30

3:20 pm-12:00 pm

2 stops14h 40m

Helsinki-Vantaa

jue. 11/6

6:55 am-3:31 pm

2 stops15h 36m

$507

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

mié. 12/3

1:10 pm-1:10 pm

2 stops17h 00m

Helsinki-Vantaa

mié. 12/10

6:55 am-9:19 pm

2 stops21h 24m

$521

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

jue. 12/4

8:35 pm-11:15 pm

2 stops43h 40m

Helsinki-Vantaa

mar. 12/9

7:35 pm-6:45 pm

1 stop30h 10m

$587

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

jue. 12/4

8:35 pm-11:15 pm

2 stops43h 40m

Helsinki-Vantaa

mar. 12/9

11:10 am-6:45 pm

2 stops38h 35m

$588

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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 November is, on average, the cheapest month to fly to Helsinki from Washington, D.C., with most prices found around $364. If you aren’t able to travel during the month of November, then book flights to Helsinki from Washington, D.C. during February instead. Flights to Helsinki in February, while not as cheap as those in November, still average around $383.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $364. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. to Helsinki on a Wednesday will generally be more expensive and average around $692. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the evening. momondo users have found flights departing from Washington, D.C. to Helsinki in the evening for as low as $399. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $541 per ticket.

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 $581 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 $479 on momondo.

How have Washington, D.C. to Helsinki flight prices changed over time?

As of September 2025, prices for Washington, D.C. to Helsinki flights are approximately 16% 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

Direct flights	None

There are no direct flights from Washington, D.C. to Helsinki. There are no popular flight routes from Washington, D.C. to Helsinki.

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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 8 as of September 2025.
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 British Airways at 18%, American Airlines at 13%, and Scandinavian Airlines at 6%.

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 7.0 544 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $420	Free Cancellation	Rating 7.4 1,484 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $482	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
United Airlines	PriceFrom $516	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
British Airways	PriceFrom $526	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Delta	PriceFrom $527	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
KLM	PriceFrom $529	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights
American Airlines	PriceFrom $580	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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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.

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Cheap flights from Washington, D.C. to Helsinki from $320

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Helsinki departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

Air Canada flights from Washington, D.C. to Helsinki

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

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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

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?

What is the cheapest day to depart on your flight to Helsinki?

What is the cheapest time of day to depart on your flight to Helsinki?

How far in advance should I book a flight to Helsinki?

How have Washington, D.C. to Helsinki flight prices changed over time?

As of September 2025, prices for Washington, D.C. to Helsinki flights are approximately 16% more expensive when compared to flights at the same time last year.

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

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

What airlines fly to Helsinki?

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

Reykjavik (KEF) was the most common stop: 45% 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 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.

Which layover airport has the shortest connection time from Washington, D.C. to Helsinki?

Copenhagen (CPH) has the shortest average layover time for this route: 0h 50m.

How long does it take to fly to Helsinki?

When to book flights from Washington, D.C. to Helsinki

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

Direct flights

How far is Washington, D.C. to Helsinki-Vantaa by plane?

When did momondo last update prices for flights from Washington, D.C. to Helsinki-Vantaa Airport?

How many operators does momondo search for flights from Washington, D.C. to Helsinki-Vantaa Airport?

How old do you have to be to fly from Washington, D.C. to Helsinki-Vantaa Airport?

What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

What is the most popular airline from Washington, D.C. to Helsinki?

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

Traveling to a place near Helsinki?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Helsinki?

Can I find flights from Washington, D.C. to Helsinki with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Helsinki trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Finland

Airports servicing Finland