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Cheap flights from Washington, D.C. Dulles Intl Airport to Helsinki from $280

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 9/7. 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 (IAD-HEL)

Cheap round-trip flights

Icelandair Logo
7:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:20 pmHEL-IAD
11h 25m1 stop
$390Icelandair
Find Deal
lun., dic. 1 - mar., dic. 9
Icelandair Logo
7:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:20 pmHEL-IAD
11h 25m1 stop
$397Icelandair
Find Deal
lun., nov. 3 - dom., nov. 16
Icelandair Logo
7:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
Icelandair Logo
1:55 pm - 6:20 pmHEL-IAD
11h 25m1 stop
$411Icelandair
Find Deal
jue., dic. 4 - mié., dic. 10
Scandinavian Airlines Logo
10:05 pm - 11:35 pmIAD-HEL
18h 30m2 stops
Scandinavian Airlines Logo
6:35 am - 7:59 pmHEL-IAD
20h 24m1 stop
$429Scandinavian Airlines
Find Deal
dom., sep. 21 - mié., oct. 1
Scandinavian Airlines Logo
10:05 pm - 4:55 pmIAD-HEL
11h 50m2 stops
Scandinavian Airlines Logo
10:20 am - 7:59 pmHEL-IAD
16h 39m2 stops
$439Scandinavian Airlines
Find Deal
mar., sep. 2 - mar., sep. 9
American Airlines Logo
11:30 am - 10:45 amIAD-HEL
16h 15m1 stop
American Airlines Logo
12:30 pm - 10:18 pmHEL-IAD
16h 48m1 stop
$481American Airlines
Find Deal
vie., ene. 16 - mar., ene. 20
Lufthansa Logo
6:00 pm - 1:10 pmIAD-HEL
12h 10m1 stop
Lufthansa Logo
7:05 am - 3:50 pmHEL-IAD
15h 45m1 stop
$497Lufthansa
Find Deal
mar., dic. 2 - mar., dic. 9
Lufthansa Logo
10:20 pm - 6:55 pmIAD-HEL
13h 35m1 stop
Lufthansa Logo
6:10 am - 3:50 pmHEL-IAD
16h 40m1 stop
$499Lufthansa
Find Deal
vie., ago. 15 - mar., ago. 26
United Airlines Logo
1:20 pm - 1:15 pmIAD-HEL
16h 55m2 stops
United Airlines Logo
7:05 am - 3:50 pmHEL-IAD
15h 45m1 stop
$506United Airlines
Find Deal
vie., ene. 16 - mar., ene. 20
United Airlines Logo
11:10 pm - 6:40 pmIAD-HEL
12h 30m1 stop
United Airlines Logo
6:55 am - 8:29 pmHEL-IAD
20h 34m2 stops
$507United Airlines
Find Deal
sáb., nov. 29 - jue., dic. 11

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
Dec 1
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
Dec 9
HEL1:55 pmHelsinki-Vantaa
11h 25m
1 stop
IAD6:20 pmWashington, D.C. Dulles Intl
$390
Find similar
Icelandair
Nov 3
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
Nov 16
HEL1:55 pmHelsinki-Vantaa
11h 25m
1 stop
IAD6:20 pmWashington, D.C. Dulles Intl
$397
Find similar
Icelandair
Dec 4
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
Dec 10
HEL1:55 pmHelsinki-Vantaa
11h 25m
1 stop
IAD6:20 pmWashington, D.C. Dulles Intl
$411
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
Sep 21
IAD10:05 pmWashington, D.C. Dulles Intl
18h 30m
2 stops
HEL11:35 pmHelsinki-Vantaa
Oct 1
HEL6:35 amHelsinki-Vantaa
20h 24m
1 stop
IAD7:59 pmWashington, D.C. Dulles Intl
$429
Find similar
Scandinavian Airlines
Sep 2
IAD10:05 pmWashington, D.C. Dulles Intl
11h 50m
2 stops
HEL4:55 pmHelsinki-Vantaa
Sep 9
HEL10:20 amHelsinki-Vantaa
16h 39m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
$439
Find similar
Scandinavian Airlines
Nov 3
IAD8:30 pmWashington, D.C. Dulles Intl
20h 35m
1 stop
HEL12:05 amHelsinki-Vantaa
Nov 16
HEL3:35 pmHelsinki-Vantaa
32h 40m
2 stops
IAD5:15 pmWashington, D.C. Dulles Intl
$440
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 agosto 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

lun. 12/1

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mar. 12/9

1:55 pm-6:20 pm

1 stop11h 25m

$390

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 11/3

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

dom. 11/16

1:55 pm-6:20 pm

1 stop11h 25m

$397

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

jue. 12/4

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mié. 12/10

1:55 pm-6:20 pm

1 stop11h 25m

$411

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

dom. 9/21

10:05 pm-11:35 pm

2 stops18h 30m

Helsinki-Vantaa

mié. 10/1

6:35 am-7:59 pm

1 stop20h 24m

$429

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mar. 9/2

10:05 pm-4:55 pm

2 stops11h 50m

Helsinki-Vantaa

mar. 9/9

10:20 am-7:59 pm

2 stops16h 39m

$439

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

vie. 1/16

11:30 am-10:45 am

1 stop16h 15m

Helsinki-Vantaa

mar. 1/20

12:30 pm-10:18 pm

1 stop16h 48m

$481

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mar. 12/2

6:00 pm-1:10 pm

1 stop12h 10m

Helsinki-Vantaa

mar. 12/9

7:05 am-3:50 pm

1 stop15h 45m

$497

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

vie. 8/15

10:20 pm-6:55 pm

1 stop13h 35m

Helsinki-Vantaa

mar. 8/26

6:10 am-3:50 pm

1 stop16h 40m

$499

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

vie. 1/16

1:20 pm-1:15 pm

2 stops16h 55m

Helsinki-Vantaa

mar. 1/20

7:05 am-3:50 pm

1 stop15h 45m

$506

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

sáb. 11/29

11:10 pm-6:40 pm

1 stop12h 30m

Helsinki-Vantaa

jue. 12/11

6:55 am-8:29 pm

2 stops20h 34m

$507

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 January is, on average, the cheapest month to fly to Helsinki from Washington, D.C. Dulles Intl Airport, with most prices found around $415. If you aren’t able to travel during the month of January, then book flights to Helsinki from Washington, D.C. Dulles Intl Airport during March instead. Flights to Helsinki in March, while not as cheap as those in January, still average around $458.

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 $472 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

Best Price Found

$280

Fastest flight time

10h 15m

Direct flights

None

Airports in Helsinki

1 airport
The best one-way flight to Helsinki from Washington, D.C. Dulles Intl Airport in the past 72 hours is $280. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Helsinki found on momondo in the last 72 hours is $390.
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. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Helsinki-Vantaa Airport.
There is 1 airport near Helsinki: Helsinki-Vantaa (HEL)
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 $364Free CancellationRating
7.0
524 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $420Free CancellationRating
7.3
1,461 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $482Free CancellationRating
6.8
7,285 reviews
Search Lufthansa flights
United AirlinesPriceFrom $483Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights
British AirwaysPriceFrom $526Free CancellationRating
6.6
7,235 reviews
Search British Airways flights
DeltaPriceFrom $527Free CancellationRating
8.0
7,987 reviews
Search Delta flights
KLMPriceFrom $529Free CancellationRating
7.8
1,381 reviews
Search KLM flights
Air FrancePriceFrom $534Free CancellationRating
7.5
1,466 reviews
Search Air France flights

Traveling to a place near Helsinki?

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Espoo
Kotka
Lahti

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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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