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Cheap flights from Helsinki to Washington, D.C. from $405

This is the cheapest one-way 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 10/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
9:05 pm - 5:00 pm
HEL
-
IAD
26h 55m
1 stop
Scandinavian Airlines Logo
8:20 pm - 8:25 pm
IAD
-
HEL
17h 05m
1 stop
$585Scandinavian Airlines
Fri, Oct 2 - Mon, Oct 5
Scandinavian Airlines Logo
4:00 pm - 5:00 pm
HEL
-
IAD
32h 00m
1 stop
Scandinavian Airlines Logo
8:20 pm - 11:50 pm
IAD
-
HEL
20h 30m
2 stops
$592Scandinavian Airlines
Fri, Oct 2 - Mon, Oct 5
Scandinavian Airlines Logo
7:15 am - 5:00 pm
HEL
-
IAD
16h 45m
2 stops
Scandinavian Airlines Logo
8:20 pm - 8:35 pm
IAD
-
HEL
17h 15m
2 stops
$599Scandinavian Airlines
Fri, Oct 2 - Mon, Oct 5
Icelandair Logo
3:00 pm - 7:20 pm
HEL
-
IAD
11h 20m
1 stop
Icelandair Logo
8:30 pm - 2:00 pm
IAD
-
HEL
10h 30m
1 stop
$628Icelandair
Fri, Aug 28 - Mon, May 31
Scandinavian Airlines Logo
11:15 am - 5:00 pm
HEL
-
IAD
12h 45m
1 stop
Scandinavian Airlines Logo
8:20 pm - 8:25 pm
IAD
-
HEL
17h 05m
1 stop
$637Scandinavian Airlines
Thu, Sep 10 - Wed, Sep 23
Icelandair Logo
11:30 pm - 10:15 pm
HEL
-
IAD
29h 45m
1 stop
Icelandair Logo
8:30 pm - 2:00 pm
IAD
-
HEL
10h 30m
1 stop
$647Icelandair
Mon, Aug 17 - Wed, Sep 2
Scandinavian Airlines Logo
11:15 am - 5:00 pm
HEL
-
IAD
12h 45m
1 stop
Scandinavian Airlines Logo
8:20 pm - 3:20 pm
IAD
-
HEL
12h 00m
1 stop
$652Scandinavian Airlines
Wed, Sep 9 - Mon, Sep 14
Icelandair Logo
11:30 pm - 7:20 pm
HEL
-
IAD
26h 50m
1 stop
Icelandair Logo
8:30 pm - 10:30 pm
IAD
-
HEL
19h 00m
1 stop
$653Icelandair
Mon, Aug 17 - Sun, Aug 30
Multiple Airlines Logo
7:05 am - 7:20 pm
HEL
-
IAD
19h 15m
2 stops
Multiple Airlines Logo
8:30 pm - 9:20 pm
IAD
-
HEL
17h 50m
2 stops
$654Multiple Airlines
Wed, Sep 9 - Mon, Sep 14
Scandinavian Airlines Logo
6:10 am - 5:00 pm
HEL
-
IAD
17h 50m
1 stop
Scandinavian Airlines Logo
8:20 pm - 1:30 am
IAD
-
HEL
22h 10m
1 stop
$655Scandinavian Airlines
Thu, Sep 10 - Wed, Sep 23

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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
Aug 28
HEL3:00 pmHelsinki-Vantaa
11h 20m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 31
IAD8:30 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
HEL2:00 pmHelsinki-Vantaa
$628
Icelandair
Aug 17
HEL11:30 pmHelsinki-Vantaa
29h 45m
1 stop
IAD10:15 pmWashington, D.C. Dulles Intl
Sep 2
IAD8:30 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
HEL2:00 pmHelsinki-Vantaa
$647
Icelandair
Aug 17
HEL11:30 pmHelsinki-Vantaa
26h 50m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Aug 30
IAD8:30 pmWashington, D.C. Dulles Intl
19h 00m
1 stop
HEL10:30 pmHelsinki-Vantaa
$653

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

Our best Scandinavian Airlines deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets
Scandinavian Airlines
Oct 2
HEL9:05 pmHelsinki-Vantaa
26h 55m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
Oct 5
IAD8:20 pmWashington, D.C. Dulles Intl
17h 05m
1 stop
HEL8:25 pmHelsinki-Vantaa
$583
Scandinavian Airlines
Nov 17
HEL9:00 pmHelsinki-Vantaa
27h 15m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
Nov 26
IAD8:30 pmWashington, D.C. Dulles Intl
11h 55m
1 stop
HEL3:25 pmHelsinki-Vantaa
$585
Scandinavian Airlines
Oct 2
HEL4:00 pmHelsinki-Vantaa
32h 00m
1 stop
IAD5:00 pmWashington, D.C. Dulles Intl
Oct 5
IAD8:20 pmWashington, D.C. Dulles Intl
20h 30m
2 stops
HEL11:50 pmHelsinki-Vantaa
$590

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 June 24, 2026.
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

Cheapest round-trip

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 10/2

9:05 pm-5:00 pm

1 stop26h 55m

Washington, D.C. Dulles Intl

Mon 10/5

8:20 pm-8:25 pm

1 stop17h 05m

$585

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 10/2

4:00 pm-5:00 pm

1 stop32h 00m

Washington, D.C. Dulles Intl

Mon 10/5

8:20 pm-11:50 pm

2 stops20h 30m

$592

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 10/2

7:15 am-5:00 pm

2 stops16h 45m

Washington, D.C. Dulles Intl

Mon 10/5

8:20 pm-8:35 pm

2 stops17h 15m

$599
Quickest round-trip

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 8/28

3:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 5/31

8:30 pm-2:00 pm

1 stop10h 30m

$628

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 9/10

11:15 am-5:00 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Wed 9/23

8:20 pm-8:25 pm

1 stop17h 05m

$637

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 8/17

11:30 pm-10:15 pm

1 stop29h 45m

Washington, D.C. Dulles Intl

Wed 9/2

8:30 pm-2:00 pm

1 stop10h 30m

$647

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 9/9

11:15 am-5:00 pm

1 stop12h 45m

Washington, D.C. Dulles Intl

Mon 9/14

8:20 pm-3:20 pm

1 stop12h 00m

$652

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 8/17

11:30 pm-7:20 pm

1 stop26h 50m

Washington, D.C. Dulles Intl

Sun 8/30

8:30 pm-10:30 pm

1 stop19h 00m

$653

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 9/9

7:05 am-7:20 pm

2 stops19h 15m

Washington, D.C. Dulles Intl

Mon 9/14

8:30 pm-9:20 pm

2 stops17h 50m

$654

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 9/10

6:10 am-5:00 pm

1 stop17h 50m

Washington, D.C. Dulles Intl

Wed 9/23

8:20 pm-1:30 am

1 stop22h 10m

$655

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 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 $469. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $548.

How far in advance should I book a flight from Helsinki 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 $644 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 $539 on momondo.

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

You could potentially save up to 1% 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 20m

Direct flights

None
The fastest flight from Helsinki to Washington, D.C. Dulles Intl Airport takes 11h 20m
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

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

  • 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 20m.

  • 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
Scandinavian AirlinesPriceFrom $442Free CancellationRating
7.4
1,854 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $466Free CancellationRating
7.0
689 reviews
Search Icelandair 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Sterling
Tysons
Springfield
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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