
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $347 (eDestinos) |
One-way from | $166 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $556 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 12/1
5:30 pm-5:55 pm
1 stop18h 25m
Oslo Gardermoen
Mon 12/8
6:45 pm-2:35 pm
1 stop25h 50m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sun 1/11
12:30 pm-11:15 am
2 stops16h 45m
Oslo Gardermoen
Sun 1/18
9:05 pm-3:20 pm
1 stop24h 15m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Thu 12/4
7:40 pm-11:35 am
1 stop9h 55m
Oslo Gardermoen
Mon 12/8
1:10 pm-6:30 pm
1 stop11h 20m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Thu 11/13
9:45 am-12:10 pm
2 stops20h 25m
Oslo Gardermoen
Thu 11/20
6:15 am-3:50 pm
1 stop15h 35m
Washington, D.C.Oslo
DCA - OSL
DCAOSL
Washington, D.C. Reagan-National
Thu 11/13
11:05 am-12:10 pm
2 stops19h 05m
Oslo Gardermoen
Thu 11/20
6:15 am-3:31 pm
2 stops15h 16m
Washington, D.C.Oslo
DCA - OSL
DCAOSL
Washington, D.C. Reagan-National
Sun 1/11
11:05 am-5:40 pm
2 stops24h 35m
Oslo Gardermoen
Fri 1/16
9:35 am-7:45 pm
2 stops16h 10m
Washington, D.C.Oslo
DCA - OSL
DCAOSL
Washington, D.C. Reagan-National
Sun 1/11
11:05 am-12:10 pm
2 stops19h 05m
Oslo Gardermoen
Sun 1/18
9:35 am-7:45 pm
2 stops16h 10m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sun 11/23
10:55 pm-5:40 pm
1 stop12h 45m
Oslo Gardermoen
Thu 11/27
1:45 pm-8:15 pm
1 stop12h 30m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 12/1
10:55 pm-5:40 pm
1 stop12h 45m
Oslo Gardermoen
Mon 12/8
6:15 am-8:59 pm
2 stops20h 44m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 11/24
10:55 pm-5:40 pm
1 stop12h 45m
Oslo Gardermoen
Thu 11/27
6:15 am-8:15 pm
1 stop20h 00m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Washington, D.C. to Oslo Gardermoen Airport is 67 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Oslo Gardermoen Airport (average of $378). Flying from Washington, D.C. to Oslo Gardermoen Airport in July is currently the most expensive (average of $503). 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.
It’s typically best to fly out from Washington, D.C. to Oslo Gardermoen Airport in the evening. Doing so could potentially save you 46% on the flight price compared to flying at noon, which is usually more expensive.
Copenhagen (CPH) – chosen by Cheapflights users on 60% of 1-stop itineraries from Washington, D.C. to Oslo Gardermoen Airport on Cheapflights.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $498.
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.
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
Boarding
Crew
Overall
Comfort
Food
Entertainment
Reviews
Matthew,Oct 2025
GSP - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$392 | Average$564 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$400 | Average$695 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$517 | Average$751 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$532 | Average$575 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$542 | Average$720 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$543 | Average$574 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$545 | Average$748 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$549 | Average$728 | FlexibilityNo cancel fee | On-time76% |