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.

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 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 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.

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

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 10h 56m 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 May 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.

$229 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 $1,187 to $726. The lowest price recently found on this route was $525.

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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

BWI

HEL

10h 15m

1 stop

1:55 pm - 6:40 pm

HEL

BWI

11h 45m

1 stop

$525Icelandair

Sun, Nov 8 - Thu, Nov 12

8:30 pm - 2:00 pm

BWI

HEL

10h 30m

1 stop

7:10 am - 7:25 pm

HEL

BWI

19h 15m

1 stop

$594Icelandair

Thu, Sep 3 - Tue, Sep 8

8:30 pm - 11:20 pm

BWI

HEL

19h 50m

1 stop

3:00 pm - 10:15 pm

HEL

BWI

14h 15m

1 stop

$622Icelandair

Tue, Sep 1 - Thu, Sep 10

8:35 pm - 9:10 pm

BWI

HEL

17h 35m

1 stop

12:30 pm - 10:54 pm

HEL

BWI

17h 24m

1 stop

$697American Airlines

Sun, Nov 8 - Thu, Nov 12

10:10 pm - 6:50 pm

IAD

HEL

37h 40m

2 stops

12:45 pm - 8:33 pm

HEL

IAD

38h 48m

2 stops

$727United Airlines

Sun, Nov 8 - Thu, Nov 12

7:15 pm - 6:25 pm

IAD

HEL

16h 10m

1 stop

12:35 pm - 10:47 pm

HEL

IAD

17h 12m

1 stop

$728American Airlines

Sat, Oct 10 - Tue, Oct 20

10:10 pm - 6:50 pm

IAD

HEL

37h 40m

2 stops

12:45 pm - 7:14 pm

HEL

IAD

37h 29m

2 stops

$732United Airlines

Sun, Nov 8 - Thu, Nov 12

8:20 pm - 8:25 pm

IAD

HEL

17h 05m

1 stop

11:15 am - 5:00 pm

HEL

IAD

12h 45m

1 stop

$733Scandinavian Airlines

Wed, Sep 9 - Mon, Sep 14

12:00 pm - 10:35 am

DCA

HEL

15h 35m

2 stops

4:00 pm - 9:50 pm

HEL

DCA

36h 50m

2 stops

$738Scandinavian Airlines

Wed, Sep 9 - Mon, Sep 14

12:59 pm - 1:05 pm

DCA

HEL

17h 06m

2 stops

7:15 am - 6:05 pm

HEL

DCA

17h 50m

2 stops

$752Delta

Thu, Oct 1 - Wed, Oct 7

Lufthansa flights from Washington, D.C. to Helsinki

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

Lufthansa

Aug 13

IAD10:20 pmWashington, D.C. Dulles Intl

13h 35m

1 stop

HEL6:55 pmHelsinki-Vantaa

Aug 19

HEL6:35 amHelsinki-Vantaa

14h 00m

1 stop

IAD1:35 pmWashington, D.C. Dulles Intl

$790

Lufthansa

May 24

IAD10:20 pmWashington, D.C. Dulles Intl

20h 15m

1 stop

HEL1:35 amHelsinki-Vantaa

Jun 1

HEL6:55 amHelsinki-Vantaa

13h 40m

1 stop

IAD1:35 pmWashington, D.C. Dulles Intl

$827

Lufthansa

May 24

IAD5:55 pmWashington, D.C. Dulles Intl

12h 10m

1 stop

HEL1:05 pmHelsinki-Vantaa

Jun 2

HEL7:05 amHelsinki-Vantaa

16h 00m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$840

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 8

BWI8:35 pmBaltimore/Washington

17h 35m

1 stop

HEL9:10 pmHelsinki-Vantaa

Nov 12

HEL12:30 pmHelsinki-Vantaa

17h 24m

1 stop

BWI10:54 pmBaltimore/Washington

$697

American Airlines

Oct 10

IAD7:15 pmWashington, D.C. Dulles Intl

16h 10m

1 stop

HEL6:25 pmHelsinki-Vantaa

Oct 20

HEL12:35 pmHelsinki-Vantaa

17h 12m

1 stop

IAD10:47 pmWashington, D.C. Dulles Intl

$728

American Airlines

Oct 8

DCA2:35 pmWashington, D.C. Reagan-National

16h 40m

1 stop

HEL2:15 pmHelsinki-Vantaa

Oct 13

HEL4:25 pmHelsinki-Vantaa

12h 50m

1 stop

DCA10:15 pmWashington, D.C. Reagan-National

$736

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sun 11/8

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Thu 11/12

1:55 pm-6:40 pm

1 stop11h 45m

$525

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Thu 9/3

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Tue 9/8

7:10 am-7:25 pm

1 stop19h 15m

$594

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Tue 9/1

8:30 pm-11:20 pm

1 stop19h 50m

Helsinki-Vantaa

Thu 9/10

3:00 pm-10:15 pm

1 stop14h 15m

$622

BaltimoreHelsinki

BWI - HEL

BWIHEL

Baltimore/Washington

Sun 11/8

8:35 pm-9:10 pm

1 stop17h 35m

Helsinki-Vantaa

Thu 11/12

12:30 pm-10:54 pm

1 stop17h 24m

$697

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 11/8

10:10 pm-6:50 pm

2 stops37h 40m

Helsinki-Vantaa

Thu 11/12

12:45 pm-8:33 pm

2 stops38h 48m

$727

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sat 10/10

7:15 pm-6:25 pm

1 stop16h 10m

Helsinki-Vantaa

Tue 10/20

12:35 pm-10:47 pm

1 stop17h 12m

$728

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 11/8

10:10 pm-6:50 pm

2 stops37h 40m

Helsinki-Vantaa

Thu 11/12

12:45 pm-7:14 pm

2 stops37h 29m

$732

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 9/9

8:20 pm-8:25 pm

1 stop17h 05m

Helsinki-Vantaa

Mon 9/14

11:15 am-5:00 pm

1 stop12h 45m

$733

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Wed 9/9

12:00 pm-10:35 am

2 stops15h 35m

Helsinki-Vantaa

Mon 9/14

4:00 pm-9:50 pm

2 stops36h 50m

$738

Washington, D.C.Helsinki

DCA - HEL

DCAHEL

Washington, D.C. Reagan-National

Thu 10/1

12:59 pm-1:05 pm

2 stops17h 06m

Helsinki-Vantaa

Wed 10/7

7:15 am-6:05 pm

2 stops17h 50m

$752

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 $351.

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 45% 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 May 2026, prices for Washington, D.C. to Helsinki flights are approximately 6% 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 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 May 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 7.0 656 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 1,783 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 9,735 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 8,015 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.