Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport according to our data. Icelandair is the first choice among our users, with 49% 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. Dulles Intl to Helsinki-Vantaa?

Icelandair is the most popular carrier operating from Washington, D.C. Dulles Intl to Helsinki-Vantaa

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Helsinki?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $564.

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

Reykjavik (KEF) was the most common stop: 72% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Helsinki?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 24m.

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

Prices for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport refresh daily.

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

As of June 2026, there are 4 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport.

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

The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$224 Cheap Flights from Washington, D.C. Dulles Intl Airport to Helsinki in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Helsinki?

Prices are currently low for flights on this route. Typical prices usually range from $1,129 to $811. The lowest price recently found on this route was $770.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Helsinki

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 pm - 1:05 pm

IAD

HEL

12h 25m

1 stop

1:55 pm - 3:35 pm

HEL

IAD

32h 40m

1 stop

$770Delta

Fri, Sep 18 - Sun, Sep 20

9:45 pm - 10:50 am

IAD

HEL

30h 05m

2 stops

2:00 pm - 3:35 pm

HEL

IAD

32h 35m

1 stop

$771British Airways

Sun, Nov 22 - Sat, Nov 28

8:30 pm - 11:05 pm

IAD

HEL

19h 35m

2 stops

9:20 pm - 7:20 pm

HEL

IAD

29h 00m

3 stops

$772Multiple Airlines

Wed, Sep 9 - Mon, Sep 14

3:45 pm - 6:55 pm

IAD

HEL

20h 10m

2 stops

6:55 am - 7:00 pm

HEL

IAD

19h 05m

2 stops

$773Air Canada

Wed, Sep 9 - Mon, Sep 14

8:30 pm - 2:00 pm

IAD

HEL

10h 30m

1 stop

3:00 pm - 7:20 pm

HEL

IAD

11h 20m

1 stop

$775Icelandair

Mon, Jul 13 - Sun, Jul 19

12:43 pm - 1:10 pm

IAD

HEL

17h 27m

2 stops

6:45 am - 8:25 pm

HEL

IAD

20h 40m

2 stops

$778Air Canada

Tue, Sep 15 - Sat, Sep 19

10:20 pm - 1:35 am

IAD

HEL

20h 15m

1 stop

7:05 am - 1:35 pm

HEL

IAD

13h 30m

1 stop

$780Lufthansa

Fri, Sep 4 - Tue, Sep 15

11:20 pm - 10:30 pm

IAD

HEL

16h 10m

1 stop

11:30 pm - 7:20 pm

HEL

IAD

26h 50m

1 stop

$781Icelandair

Sun, Jul 19 - Mon, Jul 27

12:30 pm - 1:45 pm

IAD

HEL

18h 15m

2 stops

7:00 am - 5:33 pm

HEL

IAD

17h 33m

2 stops

$782Delta

Thu, Sep 10 - Sun, Sep 27

8:20 pm - 8:35 pm

IAD

HEL

17h 15m

2 stops

6:10 am - 5:00 pm

HEL

IAD

17h 50m

1 stop

$784Scandinavian Airlines

Mon, Aug 24 - Wed, Sep 2

Delta flights from Washington, D.C. Dulles Intl Airport to Helsinki

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

Delta

Sep 18

IAD5:40 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

HEL1:05 pmHelsinki-Vantaa

Sep 20

HEL1:55 pmHelsinki-Vantaa

32h 40m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$770

Delta

Sep 10

IAD12:30 pmWashington, D.C. Dulles Intl

18h 15m

2 stops

HEL1:45 pmHelsinki-Vantaa

Sep 27

HEL7:00 amHelsinki-Vantaa

17h 33m

2 stops

IAD5:33 pmWashington, D.C. Dulles Intl

$782

Delta

Sep 1

IAD5:40 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

HEL1:05 pmHelsinki-Vantaa

Sep 10

HEL7:00 amHelsinki-Vantaa

15h 35m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$796

Air Canada flights from Washington, D.C. Dulles Intl Airport to Helsinki

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

Air Canada

Sep 9

IAD3:45 pmWashington, D.C. Dulles Intl

20h 10m

2 stops

HEL6:55 pmHelsinki-Vantaa

Sep 14

HEL6:55 amHelsinki-Vantaa

19h 05m

2 stops

IAD7:00 pmWashington, D.C. Dulles Intl

$773

Air Canada

Sep 15

IAD12:43 pmWashington, D.C. Dulles Intl

17h 27m

2 stops

HEL1:10 pmHelsinki-Vantaa

Sep 19

HEL6:45 amHelsinki-Vantaa

20h 40m

2 stops

IAD8:25 pmWashington, D.C. Dulles Intl

$778

Air Canada

Jun 16

IAD10:11 pmWashington, D.C. Dulles Intl

37h 44m

2 stops

HEL6:55 pmHelsinki-Vantaa

Jun 23

HEL7:05 amHelsinki-Vantaa

18h 56m

2 stops

IAD7:01 pmWashington, D.C. Dulles Intl

$1,304

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 9/18

5:40 pm-1:05 pm

1 stop12h 25m

Helsinki-Vantaa

Sun 9/20

1:55 pm-3:35 pm

1 stop32h 40m

$770

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 11/22

9:45 pm-10:50 am

2 stops30h 05m

Helsinki-Vantaa

Sat 11/28

2:00 pm-3:35 pm

1 stop32h 35m

$771

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 9/9

8:30 pm-11:05 pm

2 stops19h 35m

Helsinki-Vantaa

Mon 9/14

9:20 pm-7:20 pm

3 stops29h 00m

$772

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 9/9

3:45 pm-6:55 pm

2 stops20h 10m

Helsinki-Vantaa

Mon 9/14

6:55 am-7:00 pm

2 stops19h 05m

$773

Quickest round-trip

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 7/13

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Sun 7/19

3:00 pm-7:20 pm

1 stop11h 20m

$775

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 9/15

12:43 pm-1:10 pm

2 stops17h 27m

Helsinki-Vantaa

Sat 9/19

6:45 am-8:25 pm

2 stops20h 40m

$778

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 9/4

10:20 pm-1:35 am

1 stop20h 15m

Helsinki-Vantaa

Tue 9/15

7:05 am-1:35 pm

1 stop13h 30m

$780

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sun 7/19

11:20 pm-10:30 pm

1 stop16h 10m

Helsinki-Vantaa

Mon 7/27

11:30 pm-7:20 pm

1 stop26h 50m

$781

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 9/10

12:30 pm-1:45 pm

2 stops18h 15m

Helsinki-Vantaa

Sun 9/27

7:00 am-5:33 pm

2 stops17h 33m

$782

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 8/24

8:20 pm-8:35 pm

2 stops17h 15m

Helsinki-Vantaa

Wed 9/2

6:10 am-5:00 pm

1 stop17h 50m

$784

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. Dulles Intl Airport 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

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Helsinki?

What is the cheapest month to fly to Helsinki?

The month of October is, on average, the cheapest month to fly to Helsinki from Washington, D.C. Dulles Intl Airport, with most prices found around $505. If you aren’t able to travel during the month of October, then book flights to Helsinki from Washington, D.C. Dulles Intl Airport during January instead. Flights to Helsinki in January, while not as cheap as those in October, still average around $511.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

You are more likely to see cheaper flights to Helsinki from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport for as low as $412 on momondo.

When to book flights from Washington, D.C. Dulles Intl Airport to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Helsinki (IAD to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Helsinki

Fastest flight time	10h 15m
Direct flights	None

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

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Helsinki

How far is Washington, D.C. Dulles Intl to Helsinki-Vantaa by plane?
The distance between Washington, D.C. Dulles Intl and Helsinki-Vantaa is about 4312.7 mi. Flights usually cover this in 10h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport?
As of June 2026, there are 4 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The travel and health documents you'll need for your trip to Helsinki-Vantaa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helsinki-Vantaa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Helsinki?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Helsinki is Icelandair, representing 49% of all bookings. The subsequent popular airlines are Scandinavian Airlines at 20%, Lufthansa at 17%, and United Airlines at 13%.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Helsinki

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Helsinki with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $374	Free Cancellation	Rating 7.0 670 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $423	Free Cancellation	Rating 7.4 1,812 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 9,780 reviews	Search United Airlines flights
Lufthansa	PriceFrom $486	Free Cancellation	Rating 6.8 8,044 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Helsinki for you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Helsinki flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Helsinki?

Once all potential Washington, D.C. to Helsinki flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Helsinki right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Helsinki from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Helsinki from $224

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Delta flights from Washington, D.C. Dulles Intl Airport to Helsinki

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Air Canada flights from Washington, D.C. Dulles Intl Airport to Helsinki

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Helsinki that are best for you.

See travel insights to Helsinki from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Helsinki

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Helsinki?

What is the cheapest month to fly to Helsinki?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?

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

What airlines fly to Helsinki?

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

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Helsinki?

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Helsinki?

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

When to book flights from Washington, D.C. Dulles Intl Airport to Helsinki

Cheap Washington, D.C. Dulles Intl Airport to Helsinki (IAD to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Helsinki

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Helsinki

Best airlines flying from Washington, D.C. Dulles Intl Airport to Helsinki

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Helsinki with momondo

Traveling to a place near Helsinki?

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An easier way to manage your Helsinki trip

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