
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $366 (Ticket) |
One-way from | $160 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $497 |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreOslo
BWI - OSL
BWIOSL
Baltimore/Washington
Sat 2/14
7:40 pm-11:35 am
1 stop9h 55m
Oslo Gardermoen
Sun 3/1
9:30 pm-6:40 pm
1 stop27h 10m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 2/23
7:40 pm-11:35 am
1 stop9h 55m
Oslo Gardermoen
Fri 2/27
1:10 pm-6:30 pm
1 stop11h 20m
BaltimoreOslo
BWI - OSL
BWIOSL
Baltimore/Washington
Tue 2/24
7:40 pm-11:35 am
1 stop9h 55m
Oslo Gardermoen
Tue 3/3
1:10 pm-6:40 pm
1 stop11h 30m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 2/9
9:45 am-12:10 pm
2 stops20h 25m
Oslo Gardermoen
Thu 2/12
4:35 pm-3:50 pm
1 stop29h 15m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 2/23
5:40 pm-11:00 am
1 stop11h 20m
Oslo Gardermoen
Fri 2/27
6:15 am-3:50 pm
1 stop15h 35m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sun 3/1
6:50 pm-2:45 pm
1 stop13h 55m
Oslo Gardermoen
Fri 3/13
4:25 pm-5:05 pm
1 stop29h 40m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sun 2/8
6:50 pm-8:50 pm
1 stop20h 00m
Oslo Gardermoen
Thu 2/12
7:45 am-4:05 pm
1 stop14h 20m
Washington, D.C.Oslo
DCA - OSL
DCAOSL
Washington, D.C. Reagan-National
Thu 4/30
3:16 pm-4:20 pm
2 stops19h 04m
Oslo Gardermoen
Wed 5/6
7:45 am-10:15 pm
2 stops20h 30m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Wed 4/22
8:22 am-10:05 pm
2 stops31h 43m
Oslo Gardermoen
Thu 4/30
7:05 am-4:05 pm
1 stop15h 00m
Washington, D.C.Oslo
DCA - OSL
DCAOSL
Washington, D.C. Reagan-National
Wed 4/15
3:16 pm-7:15 pm
2 stops21h 59m
Oslo Gardermoen
Tue 4/21
7:45 am-6:59 pm
2 stops17h 14m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The best time to book flights from Washington, D.C. to Oslo Gardermoen Airport is 59 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 $380). Flying from Washington, D.C. to Oslo Gardermoen Airport in June is currently the most expensive (average of $505). 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 50% of 1-stop itineraries from Washington, D.C. 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.
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$389 | Average$576 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$400 | Average$715 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$512 | Average$730 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$513 | Average$615 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$529 | Average$672 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$531 | Average$739 | FlexibilityNo cancel fee | On-time69% |