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Cheap flights from Helsinki to Washington, D.C. from $447

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 10/22. 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

Icelandair Logo
3:00 pm - 7:20 pmHEL-IAD
11h 20m1 stop
Icelandair Logo
8:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
$447Icelandair
Find Deal
Wed, Oct 22 - Thu, Oct 30
Logo
6:10 am - 9:05 pmHEL-IAD
21h 55m2 stops
Logo
11:55 pm - 6:40 pmIAD-HEL
12h 45m1 stop
$462
Find Deal
Wed, Oct 22 - Thu, Oct 30
Lufthansa Logo
6:10 am - 1:30 pmHEL-IAD
14h 20m1 stop
Lufthansa Logo
10:20 pm - 11:50 pmIAD-HEL
18h 30m1 stop
$467Lufthansa
Find Deal
Sun, Sep 7 - Mon, Sep 22
Lufthansa Logo
6:10 am - 1:30 pmHEL-IAD
14h 20m1 stop
Lufthansa Logo
6:10 pm - 12:50 pmIAD-HEL
11h 40m1 stop
$471Lufthansa
Find Deal
Sun, Sep 7 - Mon, Sep 22
Icelandair Logo
3:00 pm - 7:20 pmHEL-IAD
11h 20m1 stop
Icelandair Logo
8:30 pm - 2:00 pmIAD-HEL
10h 30m1 stop
$476Icelandair
Find Deal
Thu, Oct 2 - Thu, Oct 16
Logo
6:10 am - 9:05 pmHEL-IAD
21h 55m2 stops
Logo
7:20 pm - 6:40 pmIAD-HEL
17h 20m2 stops
$479
Find Deal
Wed, Oct 22 - Thu, Oct 30
United Airlines Logo
6:10 am - 1:30 pmHEL-IAD
14h 20m1 stop
United Airlines Logo
8:55 am - 12:50 pmIAD-HEL
20h 55m2 stops
$482United Airlines
Find Deal
Sun, Sep 7 - Mon, Sep 22
United Airlines Logo
6:10 am - 1:30 pmHEL-IAD
14h 20m1 stop
United Airlines Logo
8:55 am - 12:50 pmIAD-HEL
20h 55m2 stops
$484United Airlines
Find Deal
Sun, Sep 7 - Mon, Sep 22
Delta Logo
7:00 am - 3:35 pmHEL-IAD
15h 35m1 stop
Delta Logo
12:08 pm - 1:00 pmIAD-HEL
17h 52m2 stops
$509Delta
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Mon, Sep 15 - Mon, Sep 22
Delta Logo
7:10 am - 7:37 pmHEL-IAD
19h 27m2 stops
Delta Logo
12:08 pm - 1:00 pmIAD-HEL
17h 52m2 stops
$520Delta
Find Deal
Mon, Sep 15 - Mon, Sep 22

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

Our best Iberia deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets
Iberia
Aug 13
HEL4:50 pmHelsinki-Vantaa
25h 11m
1 stop
IAD11:01 amWashington, D.C. Dulles Intl
May 5
IAD4:35 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
HEL3:25 pmHelsinki-Vantaa
$739
Find similar
Iberia
Aug 12
HEL12:35 pmHelsinki-Vantaa
29h 26m
1 stop
IAD11:01 amWashington, D.C. Dulles Intl
May 5
IAD4:35 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
HEL3:25 pmHelsinki-Vantaa
$746
Find similar
Iberia
Aug 11
HEL12:35 pmHelsinki-Vantaa
29h 26m
1 stop
IAD11:01 amWashington, D.C. Dulles Intl
May 7
IAD4:35 pmWashington, D.C. Dulles Intl
15h 50m
1 stop
HEL3:25 pmHelsinki-Vantaa
$802
Find similar

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

Our best Lufthansa deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Sep 7
HEL6:10 amHelsinki-Vantaa
14h 20m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
Sep 22
IAD10:20 pmWashington, D.C. Dulles Intl
18h 30m
1 stop
HEL11:50 pmHelsinki-Vantaa
$467
Find similar
Lufthansa
Sep 7
HEL6:10 amHelsinki-Vantaa
14h 20m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
Sep 22
IAD6:10 pmWashington, D.C. Dulles Intl
11h 40m
1 stop
HEL12:50 pmHelsinki-Vantaa
$471
Find similar
Lufthansa
Aug 27
HEL6:00 amHelsinki-Vantaa
20h 25m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
Sep 3
IAD10:20 pmWashington, D.C. Dulles Intl
18h 30m
1 stop
HEL11:50 pmHelsinki-Vantaa
$495
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 August 2, 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

Wed 10/22

3:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Thu 10/30

8:40 pm-12:55 pm

1 stop10h 15m

$447

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 10/22

6:10 am-9:05 pm

2 stops21h 55m

Washington, D.C. Dulles Intl

Thu 10/30

11:55 pm-6:40 pm

1 stop12h 45m

$462

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sun 9/7

6:10 am-1:30 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 9/22

10:20 pm-11:50 pm

1 stop18h 30m

$467

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sun 9/7

6:10 am-1:30 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 9/22

6:10 pm-12:50 pm

1 stop11h 40m

$471

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 10/2

3:00 pm-7:20 pm

1 stop11h 20m

Washington, D.C. Dulles Intl

Thu 10/16

8:30 pm-2:00 pm

1 stop10h 30m

$476

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 10/22

6:10 am-9:05 pm

2 stops21h 55m

Washington, D.C. Dulles Intl

Thu 10/30

7:20 pm-6:40 pm

2 stops17h 20m

$479

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sun 9/7

6:10 am-1:30 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 9/22

8:55 am-12:50 pm

2 stops20h 55m

$482

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sun 9/7

6:10 am-1:30 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Mon 9/22

8:55 am-12:50 pm

2 stops20h 55m

$484

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 9/15

7:00 am-3:35 pm

1 stop15h 35m

Washington, D.C. Dulles Intl

Mon 9/22

12:08 pm-1:00 pm

2 stops17h 52m

$509

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 9/15

7:10 am-7:37 pm

2 stops19h 27m

Washington, D.C. Dulles Intl

Mon 9/22

12:08 pm-1:00 pm

2 stops17h 52m

$520

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, March 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 $514. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $525.

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 $664 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 $586 on momondo.

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

Best Price Found

$545

Fastest flight time

11h 20m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Helsinki in the past 72 hours is $545. The best round-trip flight deal from Helsinki to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $447.
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. Popular non-direct route for this connection is Helsinki-Vantaa Airport - 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 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 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.

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

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

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.

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