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$320+ Cheap flights from Washington, D.C. (WAS) to Finland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HEL
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Finland

Keep the following information in mind while searching for Washington, D.C. to Finland flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$367
(CrystalTravel)

One-way from

$320
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$548
From Washington, D.C. (WAS) to Finland
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One-way flight from Washington, D.C. (WAS) to Finland
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Highest demand for flights based on searches. 22% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington, D.C. to Finland

Cheapest flights from Washington, D.C. to Finland
Explore the most affordable flight options available from Washington, D.C. to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/308:40 pmIAD - HEL
1 stop10h 15mIcelandair
jue. 11/61:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/15$374
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/308:40 pmIAD - HEL
1 stop10h 15mIcelandair
mié. 11/121:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/14$375
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:40 pmIAD - HEL
1 stop10h 15mIcelandair
mié. 12/101:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/12$378
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:40 pmIAD - HEL
1 stop10h 15mIcelandair
dom. 11/231:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/13$380
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/47:40 pmIAD - HEL
1 stop10h 15mIcelandair
mar. 12/91:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/15$382
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/17:40 pmIAD - HEL
1 stop10h 15mIcelandair
lun. 12/81:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/14$391
This Gurufare deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/187:40 pmIAD - HEL
1 stop10h 15mIcelandair
dom. 11/231:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/13$396
This lastminute.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:40 pmIAD - HEL
1 stop10h 15mIcelandair
lun. 12/81:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/14$398
This Icelandair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/17:40 pmIAD - HEL
1 stop10h 15mIcelandair
mié. 12/101:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/15$403
This FlightHub deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/208:30 pmIAD - HEL
1 stop10h 30mIcelandair
lun. 11/31:55 pmHEL - IAD
1 stop11h 35mIcelandair
Deal found 9/13$404
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/158:30 pmIAD - HEL
1 stop10h 30mIcelandair
jue. 10/233:00 pmHEL - IAD
1 stop11h 20mIcelandair
Deal found 9/13$411
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:59 pmIAD - HEL
2 stops31h 41mScandinavian Airlines
mié. 12/109:00 pmHEL - IAD
1 stop27h 15mScandinavian Airlines
Deal found 9/14$412

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Finland 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Finland that are best for you.

Fly from

Washington, D.C.

Fly to

Finland

Route

Depart

Return

Price

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

sáb. 12/6

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mié. 12/10

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 12/1

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

lun. 12/8

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 12/1

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

sáb. 12/13

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

lun. 12/1

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

mié. 12/10

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

jue. 12/4

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

lun. 12/8

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mié. 12/3

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

sáb. 12/13

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

sáb. 12/6

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

vie. 12/12

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mar. 12/2

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

vie. 12/12

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

mar. 12/2

7:40 pm-12:55 pm

1 stop10h 15m

Helsinki-Vantaa

sáb. 12/13

1:55 pm-6:30 pm

1 stop11h 35m

$403

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

dom. 11/16

12:11 pm-3:25 pm

2 stops20h 14m

Helsinki-Vantaa

sáb. 11/22

11:00 am-6:50 pm

2 stops14h 50m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Finland

What is the cheapest month to book a flight from Washington, D.C. to Finland?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Finland (average of $444). Flying from Washington, D.C. to Finland in June is currently the most expensive (average of $1,082). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to FI?

Find hourly flight availability from Washington, D.C. to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

When flying from Washington, D.C. to Finland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Finland. Reviews last updated septiembre 15, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Finland, such as Finnair, Scandinavian Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,323 reviews

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,323 reviews
Finnair
7.6
Good
1,323 reviews

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Scandinavian Airlines
7.4
Good
1,484 reviews
Finnair
7.6
Good
1,323 reviews

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,323 reviews

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Icelandair
7.0
Good
544 reviews
Finnair
7.6
Good
1,323 reviews

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
British Airways
6.7
Okay
7,361 reviews
Finnair
7.6
Good
1,323 reviews

Entertainment

6.9

Boarding

7.6

Crew

8.1

Food

6.7

Overall

7.6

Comfort

7.5

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Finland?

    There are many flights that can get you from Washington, D.C. to Finland in 10h 15m. Fly via Icelandair, Scandinavian Airlines, or Air Canada to get the fastest option. Airlines will cover a distance of 4308 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Finland one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $365. Delta flights start at $408 while deals on Air Canada start at $408 one-way.

  • What are the most popular routes from Washington, D.C. to Finland?

    Most travelers choose Washington, D.C. Dulles Intl - Ivalo, Washington, D.C. Dulles Intl - Rovaniemi or Washington, D.C. Dulles Intl - Helsinki-Vantaa when deciding on the best route from Washington, D.C. to Finland.

  • Can I find deals for flights from Washington, D.C. to Finland that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Finland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Finland.

  • Can I find deals for business class flights from Washington, D.C. to Finland?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Finland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Finland?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Finland (average of $444). Flying from Washington, D.C. to Finland in June is currently the most expensive (average of $1,082). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Finland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington, D.C. to Finland

Discover the top 9 airlines that operate flights from Washington, D.C. to Finland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$355Average$512FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$420Average$555FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$482Average$778FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$516Average$774FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$526Average$732FlexibilityNo cancel feeOn-time70%
DeltaCheapest$527Average$726FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$529Average$697FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$580Average$899FlexibilityNo cancel feeOn-time71%
FinnairCheapest$652Average$667FlexibilityNo cancel feeOn-time76%

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