
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $494 (Finnair) |
One-way from | $396 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $642 |
Fly from
Fly to
Route
Depart
Return
Price
HelsinkiWashington, D.C.
HEL - DCA
HELDCA
Helsinki-Vantaa
Thu 2/12
4:50 pm-10:05 pm
1 stop12h 15m
Washington, D.C. Reagan-National
Wed 2/25
5:32 pm-1:55 pm
1 stop13h 23m
HelsinkiWashington, D.C.
HEL - IAD
HELIAD
Helsinki-Vantaa
Thu 2/12
1:55 pm-6:30 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Wed 2/25
7:40 pm-12:55 pm
1 stop10h 15m
HelsinkiWashington, D.C.
HEL - IAD
HELIAD
Helsinki-Vantaa
Wed 1/14
1:55 pm-6:30 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Sun 2/8
7:40 pm-12:55 pm
1 stop10h 15m
HelsinkiWashington, D.C.
HEL - IAD
HELIAD
Helsinki-Vantaa
Wed 1/14
1:55 pm-6:30 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Thu 2/5
7:40 pm-12:55 pm
1 stop10h 15m
HelsinkiWashington, D.C.
HEL - IAD
HELIAD
Helsinki-Vantaa
Wed 4/22
9:15 pm-4:50 pm
2 stops26h 35m
Washington, D.C. Dulles Intl
Sun 4/26
8:20 pm-10:35 am
1 stop31h 15m
HelsinkiWashington, D.C.
HEL - IAD
HELIAD
Helsinki-Vantaa
Mon 6/8
3:00 pm-7:20 pm
1 stop11h 20m
Washington, D.C. Dulles Intl
Fri 6/12
11:35 pm-11:20 pm
1 stop16h 45m
HelsinkiWashington, D.C.
HEL - IAD
HELIAD
Helsinki-Vantaa
Thu 2/5
1:55 pm-6:30 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Sun 2/8
7:40 pm-12:55 pm
1 stop10h 15m
HelsinkiWashington, D.C.
HEL - IAD
HELIAD
Helsinki-Vantaa
Sat 2/14
7:00 am-4:05 pm
1 stop16h 05m
Washington, D.C. Dulles Intl
Sat 2/21
6:50 pm-10:35 pm
1 stop20h 45m
HelsinkiWashington, D.C.
HEL - IAD
HELIAD
Helsinki-Vantaa
Thu 2/12
2:05 pm-12:21 am
2 stops17h 16m
Washington, D.C. Dulles Intl
Wed 2/25
6:50 pm-4:25 pm
1 stop14h 35m
HelsinkiWashington, D.C.
HEL - DCA
HELDCA
Helsinki-Vantaa
Thu 2/12
6:30 am-5:04 pm
2 stops17h 34m
Washington, D.C. Reagan-National
Wed 2/25
2:35 pm-4:25 pm
2 stops18h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Helsinki to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, November is the cheapest month in which you can book a flight from Helsinki to Washington, D.C. (average of $396). Flying from Helsinki to Washington, D.C. in December is currently the most expensive (average of $507). 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.
Reykjavik (KEF) – chosen by Cheapflights users on 83% of 1-stop itineraries from Helsinki to Washington, D.C. on Cheapflights.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $469.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 11h 22m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 02m.
Crew
Entertainment
Food
Comfort
Boarding
Overall
Reviews
Anonymous,Dec 2025
SFO - CPH
Crew
Entertainment
Food
Comfort
Boarding
Overall
Reviews
Anonymous,Dec 2025
SFO - CPH
Crew
Entertainment
Food
Comfort
Boarding
Overall
Reviews
Anonymous,Dec 2025
SFO - CPH
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$355 | Average$480 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$450 | Average$558 | FlexibilityNo cancel fee | On-time77% |