
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $572 (oojo) |
One-way from | $263 (Mytrip) |
Popular in | June |
Cheapest in | January |
Average price | $455 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
mié. 8/5
10:20 pm-10:05 pm
1 stop17h 45m
Oslo Gardermoen
vie. 8/21
6:25 am-3:01 pm
2 stops14h 36m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
mié. 8/5
10:20 pm-10:05 pm
1 stop17h 45m
Oslo Gardermoen
jue. 8/20
6:45 am-3:01 pm
2 stops14h 16m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
dom. 9/13
7:59 pm-4:40 pm
2 stops14h 41m
Oslo Gardermoen
vie. 9/18
6:30 am-3:35 pm
1 stop15h 05m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
vie. 10/9
12:30 pm-8:40 am
2 stops14h 10m
Oslo Gardermoen
mié. 10/14
9:20 am-3:35 pm
1 stop12h 15m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
sáb. 5/9
7:33 pm-4:25 pm
2 stops14h 52m
Oslo Gardermoen
jue. 5/28
6:30 am-3:35 pm
1 stop15h 05m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
vie. 10/16
7:59 pm-4:40 pm
2 stops14h 41m
Oslo Gardermoen
mié. 10/21
6:30 am-4:30 pm
2 stops16h 00m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
jue. 5/14
6:25 pm-3:50 pm
2 stops15h 25m
Oslo Gardermoen
jue. 5/28
6:45 am-1:30 pm
1 stop12h 45m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
dom. 8/9
8:15 am-5:15 pm
2 stops27h 00m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
mié. 9/16
7:59 pm-4:40 pm
2 stops14h 41m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
dom. 8/2
3:25 pm-2:50 pm
2 stops17h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
The best time to book flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport is 41 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.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport (average of $443). Flying from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $791). 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.
Copenhagen (CPH) – chosen by Cheapflights users on 75% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport on Cheapflights.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $386.
Flights via Copenhagen (CPH) have the shortest average one-way travel time for 1-stop routes: 9h 45m.
Flights via Copenhagen (CPH) offer the fastest connection on this route, with an average layover time of 1h 01m.
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
EZE - SCL
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
EZE - SCL
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
EZE - SCL
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
EZE - SCL
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
EZE - SCL
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Feb 2026
EZE - SCL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$398 | Average$637 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$398 | Average$541 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$401 | Average$434 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$514 | Average$618 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$521 | Average$669 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$526 | Average$624 | FlexibilityNo cancel fee | On-time76% |