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Cheap flights from Helsinki to Washington, D.C. from $296

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 12/1. 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 Helsinki to Washington, D.C.

Cheap round-trip flights

Icelandair Logo
1:55 pm - 6:30 pmHEL-IAD
11h 35m1 stop
Icelandair Logo
7:40 pm - 12:55 pmIAD-HEL
10h 15m1 stop
$472Icelandair
Find Deal
Wed, Dec 3 - Mon, Dec 8
Lufthansa Logo
6:10 am - 1:30 pmHEL-IAD
14h 20m1 stop
Lufthansa Logo
10:20 pm - 11:50 pmIAD-HEL
18h 30m1 stop
$477Lufthansa
Find Deal
Mon, Sep 29 - Sun, Oct 12
United Airlines Logo
6:10 am - 1:30 pmHEL-IAD
14h 20m1 stop
United Airlines Logo
6:10 pm - 4:40 pmIAD-HEL
15h 30m1 stop
$483United Airlines
Find Deal
Mon, Sep 29 - Sun, Oct 12
United Airlines Logo
1:55 pm - 8:15 pmHEL-IAD
13h 20m1 stop
United Airlines Logo
1:10 pm - 6:50 pmIAD-HEL
22h 40m2 stops
$485United Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Air Canada Logo
6:55 am - 4:21 pmHEL-IAD
16h 26m2 stops
Air Canada Logo
10:11 pm - 4:40 pmIAD-HEL
35h 29m2 stops
$500Air Canada
Find Deal
Fri, Nov 28 - Sun, Dec 7
Logo
6:10 am - 1:30 pmHEL-IAD
14h 20m1 stop
Logo
3:36 pm - 12:50 pmIAD-HEL
14h 14m2 stops
$508
Find Deal
Mon, Sep 29 - Sun, Oct 12
Air Canada Logo
12:45 pm - 4:21 pmHEL-IAD
34h 36m2 stops
Air Canada Logo
10:11 pm - 1:10 pmIAD-HEL
31h 59m2 stops
$513Air Canada
Find Deal
Mon, Dec 1 - Mon, Dec 8
KLM Logo
6:25 pm - 3:35 pmHEL-IAD
28h 10m1 stop
KLM Logo
5:25 pm - 1:00 pmIAD-HEL
12h 35m1 stop
$518KLM
Find Deal
Sat, Oct 4 - Mon, Oct 20
KLM Logo
6:25 pm - 3:35 pmHEL-IAD
28h 10m1 stop
KLM Logo
7:34 pm - 5:40 pmIAD-HEL
15h 06m2 stops
$535KLM
Find Deal
Sat, Oct 4 - Mon, Oct 20
Logo
7:05 am - 7:20 pmHEL-IAD
19h 15m3 stops
Logo
8:40 pm - 1:35 amIAD-HEL
22h 55m2 stops
$686
Find Deal
Thu, Oct 16 - Wed, Oct 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
Dec 3
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 8
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$472
Find similar
Icelandair
Dec 2
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 6
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$494
Find similar
Icelandair
Dec 2
HEL1:55 pmHelsinki-Vantaa
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 13
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
HEL12:55 pmHelsinki-Vantaa
$591
Find similar

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

Our best Air Canada deals on Helsinki to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Nov 28
HEL6:55 amHelsinki-Vantaa
16h 26m
2 stops
IAD4:21 pmWashington, D.C. Dulles Intl
Dec 7
IAD10:11 pmWashington, D.C. Dulles Intl
35h 29m
2 stops
HEL4:40 pmHelsinki-Vantaa
$500
Find similar
Air Canada
Dec 1
HEL12:45 pmHelsinki-Vantaa
34h 36m
2 stops
IAD4:21 pmWashington, D.C. Dulles Intl
Dec 8
IAD10:11 pmWashington, D.C. Dulles Intl
31h 59m
2 stops
HEL1:10 pmHelsinki-Vantaa
$513
Find similar
Air Canada
Dec 1
HEL6:55 amHelsinki-Vantaa
40h 32m
2 stops
IAD4:27 pmWashington, D.C. Dulles Intl
Dec 11
IAD1:20 pmWashington, D.C. Dulles Intl
17h 00m
2 stops
HEL1:20 pmHelsinki-Vantaa
$517
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 September 15, 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 12/3

1:55 pm-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Mon 12/8

7:40 pm-12:55 pm

1 stop10h 15m

$472

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 9/29

6:10 am-1:30 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Sun 10/12

10:20 pm-11:50 pm

1 stop18h 30m

$477

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 9/29

6:10 am-1:30 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Sun 10/12

6:10 pm-4:40 pm

1 stop15h 30m

$483

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Wed 12/3

1:55 pm-8:15 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Wed 12/10

1:10 pm-6:50 pm

2 stops22h 40m

$485

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Fri 11/28

6:55 am-4:21 pm

2 stops16h 26m

Washington, D.C. Dulles Intl

Sun 12/7

10:11 pm-4:40 pm

2 stops35h 29m

$500

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 9/29

6:10 am-1:30 pm

1 stop14h 20m

Washington, D.C. Dulles Intl

Sun 10/12

3:36 pm-12:50 pm

2 stops14h 14m

$508

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Mon 12/1

12:45 pm-4:21 pm

2 stops34h 36m

Washington, D.C. Dulles Intl

Mon 12/8

10:11 pm-1:10 pm

2 stops31h 59m

$513

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sat 10/4

6:25 pm-3:35 pm

1 stop28h 10m

Washington, D.C. Dulles Intl

Mon 10/20

5:25 pm-1:00 pm

1 stop12h 35m

$518

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Sat 10/4

6:25 pm-3:35 pm

1 stop28h 10m

Washington, D.C. Dulles Intl

Mon 10/20

7:34 pm-5:40 pm

2 stops15h 06m

$535

HelsinkiWashington, D.C.

HEL - IAD

HELIAD

Helsinki-Vantaa

Thu 10/16

7:05 am-7:20 pm

3 stops19h 15m

Washington, D.C. Dulles Intl

Wed 10/29

8:40 pm-1:35 am

2 stops22h 55m

$686

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 $561.

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 $661 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.

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

You could potentially save up to 14% 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

Direct flights

None
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.
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  • 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
LufthansaPriceFrom $529Free CancellationRating
6.8
7,407 reviews
Search Lufthansa 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
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

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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