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Cheap flights from Washington, D.C. Dulles Intl Airport to Helsinki from $358

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. Dulles Intl Airport to Helsinki departing on 2/9. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Helsinki

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
$364Icelandair
Fri, Jan 9 - Thu, Jan 22
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
$367Icelandair
Thu, Jan 8 - Wed, Jan 21
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
$368Icelandair
Tue, Dec 30 - Tue, Jan 13
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
$369Icelandair
Wed, Jan 7 - Wed, Jan 14
Scandinavian Airlines Logo
12:23 pm - 8:20 pm
IAD
-
HEL
24h 57m2 stops
Scandinavian Airlines Logo
9:00 pm - 5:15 pm
HEL
-
IAD
27h 15m1 stop
$379Scandinavian Airlines
Wed, Jan 28 - Sun, Feb 1
Scandinavian Airlines Logo
12:23 pm - 3:25 pm
IAD
-
HEL
20h 02m2 stops
Scandinavian Airlines Logo
9:00 pm - 5:15 pm
HEL
-
IAD
27h 15m1 stop
$389Scandinavian Airlines
Tue, Feb 10 - Tue, Feb 17
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
$391Icelandair
Tue, Mar 3 - Sat, Mar 7
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
$392Icelandair
Tue, Dec 30 - Mon, Jan 12
Scandinavian Airlines Logo
12:23 pm - 10:40 am
IAD
-
HEL
15h 17m2 stops
Scandinavian Airlines Logo
8:55 pm - 5:15 pm
HEL
-
IAD
27h 20m2 stops
$394Scandinavian Airlines
Tue, Feb 10 - Tue, Feb 17
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
$395Icelandair
Wed, Dec 31 - Mon, Jan 12

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

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Helsinki flight tickets
Icelandair
Jan 28
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
Feb 10
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$359
Find similar
Icelandair
Mar 17
IAD8:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
Mar 29
HEL3:00 pmHelsinki-Vantaa
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$361
Find similar
Icelandair
Jan 9
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
Jan 22
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$364
Find similar

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

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Helsinki flight tickets
Scandinavian Airlines
Jan 28
IAD12:23 pmWashington, D.C. Dulles Intl
24h 57m
2 stops
HEL8:20 pmHelsinki-Vantaa
Feb 1
HEL9:00 pmHelsinki-Vantaa
27h 15m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$379
Find similar
Scandinavian Airlines
Jan 27
IAD12:23 pmWashington, D.C. Dulles Intl
30h 12m
2 stops
HEL1:35 amHelsinki-Vantaa
Feb 11
HEL4:05 pmHelsinki-Vantaa
32h 10m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$386
Find similar
Scandinavian Airlines
Feb 10
IAD12:23 pmWashington, D.C. Dulles Intl
20h 02m
2 stops
HEL3:25 pmHelsinki-Vantaa
Feb 17
HEL9:00 pmHelsinki-Vantaa
27h 15m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$389
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 4, 2025.
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

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 1/9

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Thu 1/22

1:55 pm-6:30 pm

1 stop11h 35m

$364

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Thu 1/8

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Wed 1/21

1:55 pm-6:30 pm

1 stop11h 35m

$367

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 12/30

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Tue 1/13

1:55 pm-6:30 pm

1 stop11h 35m

$368

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 1/7

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Wed 1/14

1:55 pm-6:30 pm

1 stop11h 35m

$369

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 1/28

12:23 pm-8:20 pm

2 stops24h 57m

Helsinki-Vantaa

Sun 2/1

9:00 pm-5:15 pm

1 stop27h 15m

$379

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 2/10

12:23 pm-3:25 pm

2 stops20h 02m

Helsinki-Vantaa

Tue 2/17

9:00 pm-5:15 pm

1 stop27h 15m

$389

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 3/3

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Sat 3/7

1:55 pm-6:30 pm

1 stop11h 35m

$391

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 12/30

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Mon 1/12

1:55 pm-6:30 pm

1 stop11h 35m

$392

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 2/10

12:23 pm-10:40 am

2 stops15h 17m

Helsinki-Vantaa

Tue 2/17

8:55 pm-5:15 pm

2 stops27h 20m

$394

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 12/31

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Mon 1/12

1:55 pm-6:30 pm

1 stop11h 35m

$395

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Helsinki from

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

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 March is, on average, the cheapest month to fly to Helsinki from Washington, D.C. Dulles Intl Airport, with most prices found around $433. If you aren’t able to travel during the month of March, then book flights to Helsinki from Washington, D.C. Dulles Intl Airport during October instead. Flights to Helsinki in October, while not as cheap as those in March, still average around $505.

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. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $592 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 $479 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

  • 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?

  • 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?

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
IcelandairPriceFrom $370Free CancellationRating
7.0
584 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $423Free CancellationRating
7.4
1,591 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
United AirlinesPriceFrom $491Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
DeltaPriceFrom $527Free CancellationRating
7.9
8,011 reviews
Search Delta flights
British AirwaysPriceFrom $535Free CancellationRating
6.7
7,560 reviews
Search British Airways flights
KLMPriceFrom $554Free CancellationRating
7.7
1,428 reviews
Search KLM flights

Traveling to a place near Helsinki?

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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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