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$330+ Cheap flights from Dulles Intl (IAD) 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HEL
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Dulles Intl to Finland

Keep the following information in mind while searching for Dulles Intl to Finland flight deals. Data was last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$539
(Flightnetwork)

One-way from

$330
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$545
Provider with most accurate pricing for Washington, D.C. (WAS)-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Helsinki-Vantaa flights.
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From Washington, D.C. Dulles Intl to Finland
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One-way flight from Washington, D.C. Dulles Intl to Finland
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Highest demand for flights based on searches. 28% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Dulles Intl to Finland

Cheapest flights from Dulles Intl to Finland
Explore the most affordable flight options available from Dulles Intl to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This oojo deal was found by Cheapflights users on 4/29. 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.
Thu 12/117:40 pmIAD - HEL
1 stop10h 20mIcelandair
Wed 12/172:00 pmHEL - IAD
1 stop11h 20mIcelandair
Deal found 4/29$538
This Flightnetwork deal was found by Cheapflights users on 4/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:03 pmIAD - HEL
2 stops22h 52mMultiple Airlines
Fri 8/226:00 amHEL - IAD
1 stop20h 25mMultiple Airlines
Deal found 4/29$539
This Flightnetwork deal was found by Cheapflights users on 4/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:05 pmIAD - HEL
1 stop29h 30mScandinavian Airlines
Fri 8/226:35 amHEL - IAD
1 stop20h 24mScandinavian Airlines
Deal found 4/29$549
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/45:25 pmIAD - HEL
1 stop23h 55mKLM
Mon 5/126:25 pmHEL - IAD
1 stop28h 10mKLM
Deal found 4/29$554
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:45 amIAD - HEL
2 stops25h 55mUnited Airlines
Wed 12/1712:45 pmHEL - IAD
1 stop14h 20mUnited Airlines
Deal found 4/29$558
This Gurufare deal was found by Cheapflights users on 4/29. 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.
Sun 11/239:55 pmIAD - HEL
1 stop16h 10mBritish Airways
Sat 11/292:00 pmHEL - IAD
1 stop32h 35mBritish Airways
Deal found 4/29$561
This CrystalTravel deal was found by Cheapflights users on 4/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:20 pmIAD - HEL
1 stop18h 30mLufthansa
Fri 5/3012:40 pmHEL - IAD
1 stop13h 45mLufthansa
Deal found 4/29$592
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:25 pmIAD - HEL
1 stop12h 35mDelta
Mon 8/117:00 amHEL - IAD
2 stops22h 59mDelta
Deal found 4/28$601
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/143:24 pmIAD - HEL
2 stops14h 26mAir Canada
Fri 5/306:10 amHEL - IAD
2 stops21h 58mAir Canada
Deal found 4/29$614
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/45:25 pmIAD - HEL
2 stops35h 25mAustrian Airlines
Thu 5/1512:40 pmHEL - IAD
2 stops32h 55mAustrian Airlines
Deal found 4/29$670
This oojo deal was found by Cheapflights users on 4/29. 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.
Sun 5/41:30 pmIAD - HEL
1 stop15h 10mTurkish Airlines
Wed 5/2812:35 pmHEL - IAD
1 stop30h 10mTurkish Airlines
Deal found 4/29$699
This Finnair deal was found by Cheapflights users on 4/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:35 pmIAD - RVN
2 stops17h 45mFinnair
Tue 9/235:30 amRVN - IAD
2 stops21h 40mFinnair
Deal found 4/29$701

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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 April 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Finland that are best for you.

Fly from

Dulles Intl

Fly to

Finland

Route

Depart

Return

Price

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 8/12

1:03 pm-6:55 pm

2 stops22h 52m

Helsinki-Vantaa

Fri 8/22

6:00 am-7:25 pm

1 stop20h 25m

$539

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 8/12

10:05 pm-10:35 am

1 stop29h 30m

Helsinki-Vantaa

Fri 8/22

6:35 am-7:59 pm

1 stop20h 24m

$549

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 8/12

6:35 pm-6:55 pm

2 stops17h 20m

Helsinki-Vantaa

Fri 8/22

6:10 am-5:30 pm

2 stops18h 20m

$567

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 5/14

10:20 pm-11:50 pm

1 stop18h 30m

Helsinki-Vantaa

Fri 5/30

12:40 pm-7:25 pm

1 stop13h 45m

$592

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Mon 8/4

5:25 pm-1:00 pm

1 stop12h 35m

Helsinki-Vantaa

Mon 8/11

7:00 am-10:59 pm

2 stops22h 59m

$601

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Wed 5/14

3:24 pm-12:50 pm

2 stops14h 26m

Helsinki-Vantaa

Fri 5/30

6:10 am-9:08 pm

2 stops21h 58m

$614

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Tue 7/15

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Tue 7/22

3:00 pm-10:10 pm

1 stop14h 10m

$626

Washington, D.C.Helsinki

IAD - HEL

IADHEL

Washington, D.C. Dulles Intl

Sat 5/31

5:25 pm-12:20 am

1 stop23h 55m

Helsinki-Vantaa

Sat 6/7

6:25 pm-3:35 pm

1 stop28h 10m

$674

Washington, D.C.Rovaniemi

IAD - RVN

IADRVN

Washington, D.C. Dulles Intl

Wed 9/10

4:35 pm-5:20 pm

2 stops17h 45m

Rovaniemi

Tue 9/23

5:30 am-8:10 pm

2 stops21h 40m

$701

Washington, D.C.Turku

IAD - TKU

IADTKU

Washington, D.C. Dulles Intl

Mon 6/16

10:05 pm-11:40 pm

2 stops18h 35m

Turku

Wed 6/25

9:00 pm-7:59 pm

2 stops29h 59m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 32 results
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Best time to book a flight from Dulles Intl to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland from Dulles Intl 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. Dulles Intl Airport to Finland

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Finland (average of $444). Flying from Washington, D.C. Dulles Intl Airport to Finland in June is currently the most expensive (average of $1,085). 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 IAD to FI?

Find hourly flight availability from Dulles Intl 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 April 29, 2025.

When flying from Washington, D.C. Dulles Intl Airport 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.

Rainfall in Finland by month

Plan your trip to Finland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Finland ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Finland when rainfall is around 1.2 in.

Temperature in Finland by month

Plan your trip to Finland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Finland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 April 29, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Washington, D.C. to Finland. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

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

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $421. However, be on the lookout for offers from Air France and Icelandair, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Finland for a low price.

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

    Most travelers choose Washington, D.C. Dulles Intl - Helsinki-Vantaa, Washington, D.C. Dulles Intl - Oulu or Washington, D.C. Dulles Intl - Kemi/Tornio when deciding on the best route from Washington, D.C. Dulles Intl Airport to Finland.

  • Can I find deals for flights from Dulles Intl to Finland that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Finland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Finland?

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

  • Can I find deals for business class flights from Dulles Intl to Finland?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Finland?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Finland (average of $444). Flying from Washington, D.C. Dulles Intl Airport to Finland in June is currently the most expensive (average of $1,085). 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

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Alternative routes for Dulles Intl to Finland

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Istanbul flights
Dulles Intl to Athens flights
Dulles Intl to Madrid flights
Dulles Intl to Lisbon flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
Dulles Intl to Barcelona-El Prat flights
Dulles Intl to Orly flights
Reagan-National to Gatwick flights
Baltimore to Charles de Gaulle flights
Reagan-National to Charles de Gaulle flights
Baltimore to Gatwick flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Dublin flights
Dulles Intl to Frankfurt flights
Reagan-National to Istanbul flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Reagan-National to Orly flights
Dulles Intl to Amsterdam flights
Reagan-National to Madrid flights
Reagan-National to Athens flights
Dulles Intl to Bruxelles-National flights
Dulles Intl to Edinburgh flights
Baltimore to Istanbul flights
Baltimore to Athens flights
Reagan-National to Lisbon flights
Baltimore to Stansted flights
Baltimore to Madrid flights
Dulles Intl to Zurich flights
Dulles Intl to Keflavik Intl flights
Baltimore to Lisbon flights
Dulles Intl to Vicenza flights
Dulles Intl to Sabiha Gokcen flights
Dulles Intl to Malpensa flights
Baltimore to Dublin flights
Reagan-National to Dublin flights
Dulles Intl to Copenhagen flights
Dulles Intl to Munich flights
Dulles Intl to Linate flights
Baltimore to Keflavik Intl flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Vienna flights
Baltimore to Barcelona-El Prat flights
Reagan-National to Malpensa flights
Dulles Intl to Stansted flights

Top 8 airlines flying from Dulles Intl to Finland

Discover the top 8 airlines that operate flights from Dulles Intl 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$371Average$513FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$400Average$668FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$483Average$818FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$494Average$798FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$520Average$732FlexibilityNo cancel feeOn-time70%
DeltaCheapest$527Average$726FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$529Average$931FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$534Average$687FlexibilityNo cancel feeOn-time77%

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