
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $387 (FlightHub) |
One-way from | $260 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $624 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Thu 1/28
7:40 pm-1:00 pm
1 stop10h 20m
Helsinki-Vantaa
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Sat 1/30
7:40 pm-1:00 pm
1 stop10h 20m
Helsinki-Vantaa
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Mon 1/11
7:40 pm-1:35 am
2 stops22h 55m
Helsinki-Vantaa
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Sat 1/30
5:16 pm-11:50 am
2 stops59h 34m
Helsinki-Vantaa
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Sat 1/30
6:40 pm-4:40 pm
1 stop15h 00m
Helsinki-Vantaa
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Sun 11/15
9:06 pm-1:00 pm
3 stops32h 54m
Helsinki-Vantaa
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Sat 11/14
5:25 pm-12:35 am
3 stops48h 10m
Helsinki-Vantaa
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Sat 1/30
8:30 pm-11:50 pm
2 stops20h 20m
Helsinki-Vantaa
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Wed 1/6
8:30 pm-3:25 pm
1 stop11h 55m
Helsinki-Vantaa
Mon 1/11
8:40 pm-5:15 pm
2 stops51h 35m
Washington, D.C.Helsinki
IAD Washington, D.C. Dulles Intl - HEL Helsinki-Vantaa
IADHEL
Washington, D.C. Dulles Intl
Wed 1/13
8:30 pm-8:20 pm
1 stop16h 50m
Helsinki-Vantaa
Mon 1/18
8:40 pm-5:15 pm
2 stops51h 35m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Helsinki
Overall
Boarding
Crew
Food
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
BOS - CPH
Overall
Boarding
Crew
Food
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
BOS - CPH
Overall
Boarding
Crew
Food
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
BOS - CPH
Overall
Boarding
Crew
Food
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
BOS - CPH
Overall
Boarding
Crew
Food
Comfort
Entertainment
Reviews
Anonymous,Mar 2026
BOS - CPH
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$385 | Average$786 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$400 | Average$596 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$481 | Average$821 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$540 | Average$959 | FlexibilityNo cancel fee | On-time76% |