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Cheap flights from Helsinki to Washington, D.C. from $494

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to Washington, D.C. departing on 1/15. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
$494Icelandair
Thu, Jan 15 - Wed, Jan 28
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
$501Icelandair
Thu, Jan 15 - Thu, Jan 22
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
$505Icelandair
Wed, Jan 28 - Fri, Mar 6
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
$525Icelandair
Tue, Jan 27 - Wed, Mar 4
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
$527Icelandair
Thu, Feb 5 - Mon, Feb 9
Icelandair Logo
1:55 pm - 6:30 pm
HEL
-
IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pm
IAD
-
HEL
10h 15m1 stop
$528Icelandair
Mon, Jan 26 - Wed, Mar 4
Multiple Airlines Logo
6:20 pm - 4:05 pm
HEL
-
IAD
28h 45m1 stop
Multiple Airlines Logo
6:50 pm - 4:25 pm
IAD
-
HEL
14h 35m1 stop
$533Multiple Airlines
Fri, Jan 16 - Thu, Jan 29
Delta Logo
7:00 am - 4:05 pm
HEL
-
IAD
16h 05m1 stop
Delta Logo
5:26 pm - 4:25 pm
IAD
-
HEL
15h 59m2 stops
$534Delta
Thu, Jan 15 - Thu, Jan 22
Delta Logo
7:00 am - 8:37 pm
HEL
-
IAD
20h 37m2 stops
Delta Logo
5:26 pm - 4:25 pm
IAD
-
HEL
15h 59m2 stops
$539Delta
Thu, Jan 15 - Thu, Jan 22
Delta Logo
7:00 am - 7:09 pm
HEL
-
IAD
19h 09m2 stops
Delta Logo
6:50 pm - 4:25 pm
IAD
-
HEL
14h 35m1 stop
$540Delta
Fri, Jan 16 - Thu, Jan 29

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

Our best Icelandair deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
Jan 15
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Jan 28
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$494
Find similar
Icelandair
Jan 15
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Jan 22
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$501
Find similar
Icelandair
Jan 28
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 5
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$505
Find similar

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

Our best Delta deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jan 15
HEL7:00 amHelsinki-Vantaa
16h 05m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Jan 22
IAD5:26 pmWashington, D.C. Dulles Intl
15h 59m
2 stops
HEL4:25 pmHelsinki-Vantaa
$534
Find similar
Delta
Jan 15
HEL7:00 amHelsinki-Vantaa
20h 37m
2 stops
IAD8:37 pmWashington, D.C. Dulles Intl
Jan 22
IAD5:26 pmWashington, D.C. Dulles Intl
15h 59m
2 stops
HEL4:25 pmHelsinki-Vantaa
$539
Find similar
Delta
Jan 16
HEL7:00 amHelsinki-Vantaa
19h 09m
2 stops
IAD7:09 pmWashington, D.C. Dulles Intl
Jan 29
IAD6:50 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
HEL4:25 pmHelsinki-Vantaa
$540
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helsinki to Washington, D.C. Dulles Intl Airport 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 18, 2025.
Use the filters below to find and compare flights from Helsinki to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 1/15

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 1/28

7:40 pm-12:55 pm

1 stop10h 15m

$494

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 1/15

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Thu 1/22

7:40 pm-12:55 pm

1 stop10h 15m

$501

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 1/28

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 3/6

7:40 pm-12:55 pm

1 stop10h 15m

$505

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Tue 1/27

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 3/4

7:40 pm-12:55 pm

1 stop10h 15m

$525

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 2/5

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 2/9

7:40 pm-12:55 pm

1 stop10h 15m

$527

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 1/26

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 3/4

7:40 pm-12:55 pm

1 stop10h 15m

$528

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 1/16

6:20 pm-4:05 pm

1 stop28h 45m

Washington, D.C. Dulles Intl

Thu 1/29

6:50 pm-4:25 pm

1 stop14h 35m

$533

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 1/15

7:00 am-4:05 pm

1 stop16h 05m

Washington, D.C. Dulles Intl

Thu 1/22

5:26 pm-4:25 pm

2 stops15h 59m

$534

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 1/15

7:00 am-8:37 pm

2 stops20h 37m

Washington, D.C. Dulles Intl

Thu 1/22

5:26 pm-4:25 pm

2 stops15h 59m

$539

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 1/16

7:00 am-7:09 pm

2 stops19h 09m

Washington, D.C. Dulles Intl

Thu 1/29

6:50 pm-4:25 pm

1 stop14h 35m

$540

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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 Helsinki and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, November is the cheapest month to fly from Helsinki to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $477. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $514.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Monday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $664. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Helsinki to Washington, D.C. Dulles Intl Airport for around $907.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Helsinki at noon is the least expensive time of day to depart. momondo users have found prices as low as $733 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $937 on average. Flights to Washington, D.C. Dulles Intl Airport from Helsinki in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $604 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Helsinki for as low as $567 on momondo.

Can stopping save me money on Helsinki to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 69% on your flight if you consider stops on a Helsinki to Washington, D.C. Dulles Intl Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Helsinki to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

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

Fastest flight time

11h 35m

Direct flights

None
The fastest flight from Helsinki to Washington, D.C. Dulles Intl Airport takes 11h 35m
There are no direct flights from Helsinki to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Helsinki to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Helsinki-Vantaa to Washington, D.C. Dulles Intl by plane?

    The distance between Helsinki-Vantaa and Washington, D.C. Dulles Intl is about 4312.7 mi. In terms of flight time, this usually takes a little over 11h 35m.

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

    Prices for flights from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helsinki-Vantaa Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Helsinki to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Helsinki to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $355Free CancellationRating
7.0
591 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $450Free CancellationRating
7.4
1,606 reviews
Search Scandinavian Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Helsinki to Washington, D.C.?

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 Helsinki to Washington, D.C. for you.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Helsinki with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Helsinki.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Helsinki and alert you when they change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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