$441+ Cheap flights from Helsinki (HEL) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
HEL — IAD
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Helsinki to Dulles Intl 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 Helsinki to Dulles Intl
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Cheapest flights from Helsinki to Dulles IntlExplore the most affordable flight options available from Helsinki to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Helsinki to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Ticket deal was found by Cheapflights users on 9/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:40 am -
1 stop16h 05m
Sat 11/76:40 pm -
1 stop15h 00m
Deal found 9/7![Air France logo]()
$492
This Ticket deal was found by Cheapflights users on 9/5. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:00 pm -
1 stop11h 20m
Tue 10/278:40 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$493
This Ticket deal was found by Cheapflights users on 9/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:00 pm -
1 stop11h 20m
Fri 10/308:40 pm -
1 stop10h 20m
Deal found 9/7![Icelandair logo]()
$496
This Finnair deal was found by Cheapflights users on 9/8. 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.
Thu 10/1512:20 pm -
1 stop18h 03m
Wed 10/286:42 am -
1 stop22h 58m
Deal found 9/8![Multiple Airlines logo]()
$497
This Mytrip deal was found by Cheapflights users on 9/8. 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.
Tue 10/203:00 pm -
1 stop11h 20m
Mon 10/268:40 pm -
1 stop10h 20m
Deal found 9/8![Icelandair logo]()
$505
This Finnair deal was found by Cheapflights users on 9/9. 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 11/1812:30 pm -
1 stop18h 00m
Mon 11/309:45 pm -
1 stop16h 25m
Deal found 9/9![Multiple Airlines logo]()
$511
This FlightHub deal was found by Cheapflights users on 9/5. 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 10/203:00 pm -
1 stop11h 20m
Tue 11/37:40 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$512
This Ticket deal was found by Cheapflights users on 9/9. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:40 am -
1 stop16h 05m
Sat 11/79:30 pm -
1 stop12h 10m
Deal found 9/9![Multiple Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Fri 10/233:00 pm -
1 stop11h 20m
Mon 11/27:40 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$532
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/27:00 am -
1 stop15h 35m
Sat 10/105:08 pm -
2 stops16h 32m
Deal found 9/6![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/27:00 am -
1 stop15h 35m
Tue 11/35:13 pm -
2 stops16h 27m
Deal found 9/5![Delta logo]()
$534
Best flights from Helsinki to Dulles IntlDiscover carefully curated flight deals from Helsinki to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Helsinki to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Finnair deal was found by Cheapflights users on 9/8. 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.
Thu 10/1512:20 pm -
1 stop18h 03m
Wed 10/286:42 am -
1 stop22h 58m
Deal found 9/8![Multiple Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 9/7. 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.
Sun 10/256:40 am -
1 stop16h 05m
Sat 11/75:08 pm -
2 stops16h 32m
Deal found 9/7![Delta logo]()
$533
This Finnair deal was found by Cheapflights users on 9/9. 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 11/186:30 am -
2 stops20h 25m
Mon 11/306:05 pm -
1 stop22h 00m
Deal found 9/9![Finnair logo]()
$572
This Icelandair deal was found by Cheapflights users on 9/8. 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.
Wed 11/42:00 pm -
1 stop11h 30m
Sun 11/87:40 pm -
1 stop10h 20m
Deal found 9/8![Icelandair logo]()
$634
This Finnair deal was found by Cheapflights users on 9/9. 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 11/1812:30 pm -
1 stop18h 00m
Mon 11/309:45 pm -
1 stop16h 25m
Deal found 9/9![Multiple Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/26:10 am -
2 stops18h 36m
Sat 10/106:31 pm -
2 stops15h 09m
Deal found 9/6![Delta logo]()
$558
This Delta deal was found by Cheapflights users on 9/8. 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.
Fri 10/236:10 am -
2 stops18h 23m
Fri 10/307:15 pm -
1 stop16h 10m
Deal found 9/8![Delta logo]()
$563
This Finnair deal was found by Cheapflights users on 9/9. 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 10/208:00 am -
1 stop19h 20m
Mon 10/267:05 pm -
1 stop14h 10m
Deal found 9/9![Multiple Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 9/7. 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 9/287:00 am -
2 stops17h 46m
Sun 10/119:45 pm -
1 stop11h 55m
Deal found 9/7![Delta logo]()
$588
Last-minute flights from Helsinki to Dulles IntlDiscover last-minute flight deals from Helsinki to Dulles Intl. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Helsinki to Dulles Intl. Data last updated September 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/27:00 am -
1 stop15h 35m
Sat 10/105:08 pm -
2 stops16h 32m
Deal found 9/6![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/27:00 am -
1 stop15h 35m
Tue 11/35:13 pm -
2 stops16h 27m
Deal found 9/5![Delta logo]()
$534
This Finnair deal was found by Cheapflights users on 9/8. 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.
Thu 10/1512:20 pm -
1 stop18h 03m
Wed 10/286:42 am -
1 stop22h 58m
Deal found 9/8![Multiple Airlines logo]()
$497
This Ticket deal was found by Cheapflights users on 9/5. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:00 pm -
1 stop11h 20m
Tue 10/278:40 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$493
This Mytrip deal was found by Cheapflights users on 9/8. 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.
Tue 10/203:00 pm -
1 stop11h 20m
Mon 10/268:40 pm -
1 stop10h 20m
Deal found 9/8![Icelandair logo]()
$505
This FlightHub deal was found by Cheapflights users on 9/5. 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 10/203:00 pm -
1 stop11h 20m
Tue 11/37:40 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$512
This Ticket deal was found by Cheapflights users on 9/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:00 pm -
1 stop11h 20m
Fri 10/308:40 pm -
1 stop10h 20m
Deal found 9/7![Icelandair logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Fri 10/233:00 pm -
1 stop11h 20m
Mon 11/27:40 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$532
This Ticket deal was found by Cheapflights users on 9/7. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:40 am -
1 stop16h 05m
Sat 11/76:40 pm -
1 stop15h 00m
Deal found 9/7![Air France logo]()
$492
This Ticket deal was found by Cheapflights users on 9/9. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:40 am -
1 stop16h 05m
Sat 11/79:30 pm -
1 stop12h 10m
Deal found 9/9![Multiple Airlines logo]()
$514
This Icelandair deal was found by Cheapflights users on 9/5. 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.
Sat 10/312:00 pm -
1 stop11h 30m
Wed 11/117:40 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$535
One-way flights from Helsinki to Dulles IntlSearch for one-way flight options from Helsinki to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Helsinki to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 10/276:40 am -
1 stop16h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$441
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 9/161:55 pm -
2 stops17h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 11/16:45 pm -
2 stops28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sun 1/109:10 pm -
3 stops50h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 12/129:10 pm -
3 stops49h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sat 1/98:40 pm -
3 stops50h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Wed 12/161:20 pm -
3 stops34h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$471
This Thrive Travel deal was found by Cheapflights users on 9/6. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:40 am -
1 stop15h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$482
Find flight deals from Helsinki to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Helsinki (HEL) to Dulles Intl (IAD). 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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $492 (Ticket) |
One-way from | $441 (Delta) |
Popular in | August |
Cheapest in | February |
Average price | $671 |
Cheapflights Fare Finder
Customize your flight search to find flights from Helsinki to Dulles Intl 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 7,457,451 searches. Data last updated September 9, 2026.
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
Cheapest round-trip
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Tue 10/27
6:40 am-4:45 pm
1 stop16h 05m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$441
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Wed 9/16
1:55 pm-12:41 am
2 stops17h 46m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$446
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Sun 1/10
9:10 pm-4:20 pm
3 stops50h 10m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$459
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Sat 1/9
8:40 pm-4:20 pm
3 stops50h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$465
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Sat 12/12
9:10 pm-6:30 pm
2 stops28h 20m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$493
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Thu 10/15
12:20 pm-11:23 pm
1 stop18h 03m
Washington, D.C. Dulles Intl
Wed 10/28
6:42 am-11:40 am
1 stop22h 58m
$497
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Wed 11/18
12:30 pm-11:30 pm
1 stop18h 00m
Washington, D.C. Dulles Intl
Mon 11/30
9:45 pm-9:10 pm
1 stop16h 25m
$511
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Sun 10/25
6:40 am-4:45 pm
1 stop16h 05m
Washington, D.C. Dulles Intl
Sat 11/7
5:08 pm-4:40 pm
2 stops16h 32m
$533
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Fri 10/2
6:10 am-5:46 pm
2 stops18h 36m
Washington, D.C. Dulles Intl
Sat 10/10
6:31 pm-4:40 pm
2 stops15h 09m
$558
HelsinkiWashington, D.C.
HEL Helsinki-Vantaa - IAD Washington, D.C. Dulles Intl
HELIAD
Helsinki-Vantaa
Thu 12/17
10:05 pm-3:45 pm
2 stops24h 40m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$563
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Helsinki to Dulles Intl
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 Helsinki to Dulles Intl in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Helsinki-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helsinki-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helsinki-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Helsinki-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Helsinki-Washington, D.C. Dulles Intl Airport 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 Helsinki to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Helsinki with our price prediction graph.
HEL-IAD
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 Helsinki to Washington, D.C. Dulles Intl Airport
How far ahead should I book a flight from Helsinki to Washington, D.C. Dulles Intl Airport?
The best time to book flights from Helsinki to Washington, D.C. Dulles Intl Airport is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Helsinki to Washington, D.C. Dulles Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. Dulles Intl Airport (average of $503). Flying from Helsinki to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $877). 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.
How much does it cost to fly round-trip from Helsinki to Washington, D.C. Dulles Intl Airport?
Airfare is below average for this route at the moment.
Helsinki to Washington, D.C. Dulles Intl Airport flights typically cost between $638 and $784 in October.The cheapest round-trip price found within the last 5 days was $492 on Air France (Oct 25-Nov 7).
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated September 9, 2026.
See what other customers who have flown with Scandinavian Airlines and Icelandair from Helsinki to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Crew
8.1
Overall
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentRobert,Jul 2026
CPH - SFO
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Crew
8.1
Overall
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentRobert,Jul 2026
CPH - SFO
Boarding
7.7
Entertainment
6.8
Comfort
7.4
Crew
8.1
Overall
7.4
Food
6.8
Reviews
1 / 20
10.0
ExcellentRobert,Jul 2026
CPH - SFO
Related info for your journey
Find useful and relevant information for your journey from Helsinki to Dulles Intl. 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 Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Arlington
Owings Mills
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Chantilly
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Rockville
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Sterling
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Silver Spring
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$442 | Average$564 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$466 | Average$726 | FlexibilityNo cancel fee | On-time76% |