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Cheap flights from Washington, D.C. Dulles Intl Airport to Helsinki from $197

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 2/25. 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 15m
1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m
1 stop
$366Icelandair
Wed, Feb 18 - Wed, Feb 25
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m
1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m
1 stop
$389Icelandair
Fri, Jan 30 - Wed, Feb 4
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m
1 stop
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m
1 stop
$394Icelandair
Tue, Feb 17 - Tue, Feb 24
Icelandair Logo
11:20 pm - 2:00 pm
IAD
-
HEL
31h 40m
1 stop
Icelandair Logo
3:00 pm - 7:20 pm
HEL
-
IAD
11h 20m
1 stop
$404Icelandair
Wed, May 6 - Mon, May 11
Multiple Airlines Logo
6:00 am - 10:45 am
IAD
-
HEL
21h 45m
1 stop
Multiple Airlines Logo
12:30 pm - 10:53 pm
HEL
-
IAD
17h 23m
1 stop
$424Multiple Airlines
Mon, Feb 2 - Wed, Feb 18
American Airlines Logo
7:15 pm - 3:15 pm
IAD
-
HEL
13h 00m
1 stop
American Airlines Logo
12:35 pm - 11:28 pm
HEL
-
IAD
17h 53m
1 stop
$426American Airlines
Wed, Apr 22 - Thu, Apr 30
Multiple Airlines Logo
6:00 am - 10:45 am
IAD
-
HEL
21h 45m
1 stop
Multiple Airlines Logo
12:30 pm - 10:53 pm
HEL
-
IAD
17h 23m
1 stop
$434Multiple Airlines
Mon, Feb 16 - Tue, Mar 3
Scandinavian Airlines Logo
8:20 pm - 10:35 am
IAD
-
HEL
31h 15m
1 stop
Scandinavian Airlines Logo
11:05 am - 4:50 pm
HEL
-
IAD
12h 45m
2 stops
$437Scandinavian Airlines
Wed, Apr 22 - Thu, Apr 30
American Airlines Logo
3:11 pm - 1:55 pm
IAD
-
HEL
15h 44m
2 stops
American Airlines Logo
12:30 pm - 10:53 pm
HEL
-
IAD
16h 23m
1 stop
$438American Airlines
Wed, Mar 4 - Wed, Mar 11
Icelandair Logo
8:30 pm - 2:00 pm
IAD
-
HEL
10h 30m
1 stop
Icelandair Logo
3:00 pm - 7:20 pm
HEL
-
IAD
11h 20m
1 stop
$444Icelandair
Fri, Apr 17 - Thu, Apr 23

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
Feb 18
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
Feb 25
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$366
Icelandair
May 6
IAD8:30 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
HEL2:00 pmHelsinki-Vantaa
May 11
HEL3:00 pmHelsinki-Vantaa
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$381
Icelandair
Jan 30
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
Feb 4
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
$389

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
Apr 22
IAD8:20 pmWashington, D.C. Dulles Intl
31h 15m
1 stop
HEL10:35 amHelsinki-Vantaa
Apr 30
HEL11:05 amHelsinki-Vantaa
12h 45m
2 stops
IAD4:50 pmWashington, D.C. Dulles Intl
$437
Scandinavian Airlines
Feb 11
IAD8:30 pmWashington, D.C. Dulles Intl
17h 35m
2 stops
HEL9:05 pmHelsinki-Vantaa
Feb 18
HEL4:10 pmHelsinki-Vantaa
32h 05m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
$447
Scandinavian Airlines
Feb 2
IAD8:30 pmWashington, D.C. Dulles Intl
22h 05m
1 stop
HEL1:35 amHelsinki-Vantaa
Feb 18
HEL4:10 pmHelsinki-Vantaa
32h 05m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
$457

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 January 20, 2026.
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

Wed 2/18

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Wed 2/25

1:55 pm-6:30 pm

1 stop11h 35m

$366

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 1/30

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Wed 2/4

1:55 pm-6:30 pm

1 stop11h 35m

$389

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 2/17

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

Tue 2/24

1:55 pm-6:30 pm

1 stop11h 35m

$394

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 5/6

11:20 pm-2:00 pm

1 stop31h 40m

Helsinki-Vantaa

Mon 5/11

3:00 pm-7:20 pm

1 stop11h 20m

$404

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 2/2

6:00 am-10:45 am

1 stop21h 45m

Helsinki-Vantaa

Wed 2/18

12:30 pm-10:53 pm

1 stop17h 23m

$424

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 4/22

7:15 pm-3:15 pm

1 stop13h 00m

Helsinki-Vantaa

Thu 4/30

12:35 pm-11:28 pm

1 stop17h 53m

$426

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 2/16

6:00 am-10:45 am

1 stop21h 45m

Helsinki-Vantaa

Tue 3/3

12:30 pm-10:53 pm

1 stop17h 23m

$434

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 4/22

8:20 pm-10:35 am

1 stop31h 15m

Helsinki-Vantaa

Thu 4/30

11:05 am-4:50 pm

2 stops12h 45m

$437

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 3/4

3:11 pm-1:55 pm

2 stops15h 44m

Helsinki-Vantaa

Wed 3/11

12:30 pm-10:53 pm

1 stop16h 23m

$438

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Fri 4/17

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Thu 4/23

3:00 pm-7:20 pm

1 stop11h 20m

$444

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 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 January instead. Flights to Helsinki in January, while not as cheap as those in March, still average around $463.

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 $585 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 $521 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 $365Free CancellationRating
7.1
600 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $423Free CancellationRating
7.3
1,655 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $481Free CancellationRating
7.4
9,183 reviews
Search United Airlines flights
LufthansaPriceFrom $486Free CancellationRating
6.8
7,732 reviews
Search Lufthansa flights
British AirwaysPriceFrom $535Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
KLMPriceFrom $554Free CancellationRating
7.7
1,442 reviews
Search KLM flights

Traveling to a place near Helsinki?

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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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