$347 Find Cheap Flights from Finland to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dulles Intl departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Washington, D.C., as well as popular online travel agencies
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Cheap Flight Deals from Finland to Dulles Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Finland to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Finland to Dulles Intl

KAYAK's recommended round-trip deals from the most popular airlines that fly from Finland to Dulles Intl.
Discover the best prices for you by selecting your travel dates on KAYAK.
Icelandair Logo
3:00 pm - 7:20 pmHEL-IAD
11h 20m1 stop
Icelandair Logo
8:30 pm - 2:00 pmIAD-HEL
10h 30m1 stop
$517Icelandair
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Thu, May 22 - Wed, Jun 4
Logo
6:25 pm - 3:35 pmHEL-IAD
28h 10m1 stop
Logo
6:30 pm - 11:20 pmIAD-HEL
21h 50m1 stop
$519
Find Deal
Sun, May 11 - Mon, May 26
Logo
6:25 pm - 3:35 pmHEL-IAD
28h 10m1 stop
Logo
9:20 pm - 11:20 pmIAD-HEL
19h 00m1 stop
$521
Find Deal
Sun, May 11 - Sun, May 25
Icelandair Logo
3:00 pm - 7:20 pmHEL-IAD
11h 20m1 stop
Icelandair Logo
11:15 pm - 2:00 pmIAD-HEL
31h 45m1 stop
$525Icelandair
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Mon, May 19 - Sun, Jun 1
United Airlines Logo
6:10 am - 4:19 pmHEL-IAD
17h 09m2 stops
United Airlines Logo
3:40 pm - 6:55 pmIAD-HEL
20h 15m2 stops
$528United Airlines
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Tue, May 20 - Tue, May 27
Delta Logo
7:00 am - 7:39 pmHEL-IAD
19h 39m2 stops
Delta Logo
6:30 pm - 4:40 pmIAD-HEL
15h 10m1 stop
$544Delta
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Sun, May 11 - Mon, May 26
Delta Logo
7:00 am - 3:35 pmHEL-IAD
15h 35m1 stop
Delta Logo
5:25 pm - 1:00 pmIAD-HEL
12h 35m1 stop
$545Delta
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Sun, May 11 - Sat, May 24
United Airlines Logo
6:10 am - 3:50 pmHEL-IAD
16h 40m1 stop
United Airlines Logo
12:35 pm - 11:50 amIAD-HEL
16h 15m2 stops
$552United Airlines
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Mon, May 19 - Mon, May 26
Lufthansa Logo
7:40 pm - 3:20 pmHEL-IAD
26h 40m1 stop
Lufthansa Logo
10:20 pm - 11:50 pmIAD-HEL
18h 30m1 stop
$555Lufthansa
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Sun, Aug 10 - Sun, Aug 17
Lufthansa Logo
6:00 am - 1:30 pmHEL-IAD
14h 30m2 stops
Lufthansa Logo
10:20 pm - 11:50 pmIAD-HEL
18h 30m1 stop
$603Lufthansa
Find Deal
Mon, May 19 - Tue, Jun 3
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KAYAK's insights & trends for flights to Dulles Intl

Get data-powered insights and trends for flights to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Washington, D.C. Dulles Intl Airport is March, where tickets cost $514 on average for return flights. On the other hand, the most expensive months are July and June, where the average cost of tickets from Finland is $895 and $852 respectively. For one-way flights, the best month to travel is March with an average price of $514.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

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Good to know

Low seasonMarch
High seasonMay
Cheapest flight$347
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Helsinki to Washington, D.C.

FAQs - booking Washington Dulles Airport flights

  • How far is Washington, D.C. Dulles Intl Airport from central Washington, D.C.?

    Washington, D.C. Dulles Intl Airport is 22 miles from the center of Washington, D.C..

  • What is the cheapest day to fly to Washington, D.C.?

    Based on KAYAK data, the cheapest day to fly to Washington, D.C. is Monday where round-trip tickets can be as cheap as $664. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $907 on average.

  • How does KAYAK find such low prices on flights to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport?

    The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is generally in the afternoon, when round-trip flights cost $733 on average. The most expensive time of day to fly to Washington, D.C. Dulles Intl Airport is generally at night, which is peak travel time and where the average cost of a ticket is $937.

  • How many direct flights to Washington, D.C. Dulles Intl Airport are there each week?

    Each week there are around 2,941 direct flights from within Finland to Washington, D.C. Dulles Intl Airport. The most common day for departures is Thursday, with 15% of flights taking off on this day.

Top tips for finding cheap flights to Washington Dulles Airport

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Washington Dulles Airport flight deals.

Top airline flying from Finland to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Finland to Washington, D.C.. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.0
IcelandairOverall score based on 487 reviews
7.1Entertainment
7.0Comfort
7.1Boarding
8.0Crew
6.3Food
Airline reviews

For an economy lite experience, it's by far the best I've had. New planes, clean, great destinations. Very happy to have discovered Iceland Air.

10.0 ExcellentJames, Apr 2025MAN - KEF
Read more Icelandair reviews

For an economy lite experience, it's by far the best I've had. New planes, clean, great destinations. Very happy to have discovered Iceland Air.

Smooth efficient airline. Think they should have their own bag drop as the queue took 30mins to bmscan and drop

Good. Lacking overhead bin space. No food offered but you can order online or in flight and pay for snacks.

No food was served for 7.5 hrs flight. When our flight changed to other airlines due to wether issue, our seats booked with no checked in luggage when I already payed for. We end up to pay 90 euro per suitcase.

Only serving 2 small coffee in 7.5 hrs flight with very limited choice to order food.

Overall good. I was surprised how easy it was to get from plain to plain in such a short time. Food choices were not so great and quite expensive. Entertainment was ok. Flights were smooth.

Our three ski bags did not arrive and are still not delivered, one full day later. With one ski bag not traceable at all. I would not fly Iceland Air again.

Horrible. The flight was delayed by over 3 hours but updates were barely provided. Boarding started 3 hours late then stopped because their system crashed. So now, passengers were standing for 15 minutes in the open waiting to get boarding passes scanned and get on a bus. Duty-free closed around 4-4:30. Only 1 food outlet was open and it was super slow and busy since it was serving passengers from multiple flights. So a number of passengers couldn't buy meals at the terminal. Since the flight was delayed by over 3 hours, we could have been offered snacks on-board. Nothing. The seats barely reclined. In-flight entertainment options were pitiful. Overall, a miserable experience. Never flying on Icelandair ever again. :(

Bad. Flights were late, by hours. No clear information was provided even until the delayed boarding time.

Again, lines for boarding are a problem in iceland. The flight itself was fine and very smooth. No complaints. We would definitely fly icelandair again.

Traveling to a place near Dulles Intl?

Book flights to Dulles Intl if you plan to visit one of these locations
Clinton

Everything you need to know for your flight to Dulles Intl

Information on the airport you'll fly into in Washington, D.C.

Washington Dulles Airport (IAD)

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