$194+ Cheap flights from Dulles Intl (IAD) to Helsinki (HEL)
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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HEL
Feb 18 — Feb 251
1 adult, Economy
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Find cheap flights from Dulles Intl to Helsinki with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dulles Intl to Helsinki
Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 19, 2026.
Most accurate provider | oojo 3 stars |
|---|---|
Most trusted provider | Gurufare 3 stars |
Round-trip from | $366 (oojo) |
One-way from | $194 (Mytrip) |
Popular in | June |
Cheapest in | March |
Average price | $463 |
Find flight deals from Dulles Intl to Helsinki
Cheapest flights from Dulles Intl to HelsinkiExplore the most affordable flight options available from Dulles Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.
Explore the most affordable flight options available from Dulles Intl to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.
This oojo deal was found by Cheapflights users on 1/19. 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.
Wed 2/187:40 pm
IAD
- HEL
1 stop10h 15m
Icelandair
Wed 2/251:55 pm
HEL
- IAD
1 stop11h 35m
Icelandair
Deal found 1/19![Icelandair logo]()
$366
This oojo deal was found by Cheapflights users on 1/17. 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.
Fri 4/248:30 pm
IAD
- HEL
1 stop10h 30m
Icelandair
Sun 5/103:00 pm
HEL
- IAD
1 stop14h 15m
Icelandair
Deal found 1/17![Icelandair logo]()
$373
This oojo deal was found by Cheapflights users on 1/18. 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.
Wed 1/287:40 pm
IAD
- HEL
1 stop10h 15m
Icelandair
Thu 2/51:55 pm
HEL
- IAD
1 stop11h 35m
Icelandair
Deal found 1/18![Icelandair logo]()
$390
This oojo deal was found by Cheapflights users on 1/18. 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.
Tue 2/177:40 pm
IAD
- HEL
1 stop10h 15m
Icelandair
Tue 2/241:55 pm
HEL
- IAD
1 stop11h 35m
Icelandair
Deal found 1/18![Icelandair logo]()
$394
This FlightHub deal was found by Cheapflights users on 1/17. 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.
Tue 3/37:40 pm
IAD
- HEL
1 stop10h 15m
Icelandair
Tue 3/171:55 pm
HEL
- IAD
1 stop11h 35m
Icelandair
Deal found 1/17![Icelandair logo]()
$398
This Travelis deal was found by Cheapflights users on 1/17. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:20 pm
IAD
- HEL
1 stop31h 40m
Icelandair
Mon 5/113:00 pm
HEL
- IAD
1 stop11h 20m
Icelandair
Deal found 1/17![Icelandair logo]()
$404
This oojo deal was found by Cheapflights users on 1/17. 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.
Tue 9/18:30 pm
IAD
- HEL
1 stop10h 30m
Icelandair
Tue 9/157:10 am
HEL
- IAD
1 stop19h 10m
Icelandair
Deal found 1/17![Icelandair logo]()
$412
This Finnair deal was found by Cheapflights users on 1/18. 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.
Mon 2/26:00 am
IAD
- HEL
1 stop21h 45m
Multiple Airlines
Wed 2/1812:30 pm
HEL
- IAD
1 stop17h 23m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$424
This Finnair deal was found by Cheapflights users on 1/17. 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.
Tue 3/36:20 pm
IAD
- HEL
1 stop19h 50m
Multiple Airlines
Tue 3/1012:30 pm
HEL
- IAD
1 stop16h 23m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$426
This oojo deal was found by Cheapflights users on 1/18. 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.
Wed 4/228:20 pm
IAD
- HEL
1 stop31h 15m
Scandinavian Airlines
Thu 4/3011:05 am
HEL
- IAD
2 stops12h 45m
Scandinavian Airlines
Deal found 1/18![Scandinavian Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 1/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:11 pm
IAD
- HEL
2 stops15h 44m
American Airlines
Wed 3/1112:30 pm
HEL
- IAD
1 stop16h 23m
American Airlines
Deal found 1/18![American Airlines logo]()
$438
This oojo deal was found by Cheapflights users on 1/18. 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.
Fri 4/178:30 pm
IAD
- HEL
1 stop10h 30m
Icelandair
Thu 4/233:00 pm
HEL
- IAD
1 stop11h 20m
Icelandair
Deal found 1/18![Icelandair logo]()
$444
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Helsinki 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 January 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Helsinki that are best for you.
Fly from
Dulles Intl
Fly to
Helsinki
Route
Depart
Return
Price
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Tue 3/3
6:20 pm-9:10 pm
1 stop19h 50m
Helsinki-Vantaa
Tue 3/10
12:30 pm-10:53 pm
1 stop16h 23m
$426
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Fri 4/17
8:30 pm-2:00 pm
1 stop10h 30m
Helsinki-Vantaa
Thu 4/23
3:00 pm-7:20 pm
1 stop11h 20m
$444
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Wed 3/11
9:30 pm-9:05 pm
2 stops17h 35m
Helsinki-Vantaa
Tue 3/24
4:10 pm-6:15 pm
2 stops32h 05m
$446
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Wed 3/11
9:30 pm-3:25 pm
1 stop11h 55m
Helsinki-Vantaa
Thu 3/19
6:15 am-6:15 pm
1 stop18h 00m
$447
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Wed 2/11
8:30 pm-9:05 pm
2 stops17h 35m
Helsinki-Vantaa
Wed 2/18
4:10 pm-5:15 pm
2 stops32h 05m
$447
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Mon 2/23
8:30 pm-3:25 pm
1 stop11h 55m
Helsinki-Vantaa
Mon 3/2
11:20 am-5:15 pm
1 stop12h 55m
$460
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Mon 2/16
8:30 pm-1:35 am
1 stop22h 05m
Helsinki-Vantaa
Mon 2/23
8:55 pm-5:15 pm
2 stops51h 20m
$470
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Sun 4/19
8:20 pm-10:35 am
1 stop31h 15m
Helsinki-Vantaa
Sat 4/25
7:10 pm-4:50 pm
2 stops52h 40m
$473
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Mon 3/2
8:30 pm-10:40 am
1 stop31h 10m
Helsinki-Vantaa
Thu 3/5
6:15 am-5:15 pm
1 stop18h 00m
$476
Washington, D.C.Helsinki
IAD - HEL
IADHEL
Washington, D.C. Dulles Intl
Sat 3/7
8:30 pm-11:55 pm
2 stops20h 25m
Helsinki-Vantaa
Thu 3/12
7:00 am-6:15 pm
2 stops17h 15m
$477
Showing 1-10 of 18 results
Compare providers for flights from Dulles Intl to Helsinki
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Helsinki in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Helsinki flights, users find the pricing of oojo to be most consistent on Cheapflights vs. oojo Users can find the same prices on Washington, D.C. Dulles Intl Airport-Helsinki flight deals on Cheapflights vs. oojo >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Helsinki flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Helsinki flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Dulles Intl to Helsinki
Have a flexible travel schedule? Discover the best time to fly to Helsinki 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 Helsinki
Prices
More
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?
Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Helsinki. Price data was last updated on January 16, 2026.
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Helsinki, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Helsinki?
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Helsinki (average of $362). Flying from Washington, D.C. Dulles Intl Airport to Helsinki in June is currently the most expensive (average of $654). 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’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Helsinki?
Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Helsinki chosen by Cheapflights users in the past 12 months, using the same layover each way.
Copenhagen (CPH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Helsinki on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Helsinki?
Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Helsinki, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $459.
What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Helsinki?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Helsinki, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 21m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Helsinki?
Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Helsinki, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 02m.
Reviews of airlines servicing Helsinki
Get insights into the airlines that provide service to Helsinki. 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 Helsinki. Reviews last updated January 19, 2026.
See what other customers who have flown with United Airlines, Scandinavian Airlines, and Icelandair from Washington, D.C. Dulles Intl Airport to Helsinki have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Entertainment
7.1
Comfort
7.3
Crew
8.1
Overall
7.4
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Helsinki?
Book flights to Helsinki if you plan to visit one of these locationsVantaa
Lahti
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Alternative routes for Dulles Intl to Helsinki
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Dulles Intl to Helsinki
Discover the top 6 airlines that operate flights from Dulles Intl to Helsinki. 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 January 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$365 | Average$515 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$423 | Average$555 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$481 | Average$774 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$486 | Average$777 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$535 | Average$732 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$554 | Average$742 | FlexibilityNo cancel fee | On-time75% |