
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $741 (CheapOair) |
One-way from | $283 (Faresmojo) |
Popular in | June |
Cheapest in | January |
Average price | $853 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Fri 8/28
8:20 pm-3:05 pm
1 stop12h 45m
Oslo Gardermoen
Sun 8/30
9:00 pm-5:00 pm
1 stop26h 00m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sun 9/6
7:15 pm-4:40 pm
2 stops15h 25m
Oslo Gardermoen
Sat 9/19
6:30 am-3:35 pm
1 stop15h 05m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sat 8/22
12:29 pm-8:45 am
2 stops14h 16m
Oslo Gardermoen
Sun 8/30
9:20 am-3:35 pm
1 stop12h 15m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 8/24
5:40 pm-10:55 pm
2 stops23h 15m
Oslo Gardermoen
Mon 8/31
12:50 pm-3:10 pm
1 stop32h 20m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sun 8/30
12:35 pm-9:05 am
2 stops14h 30m
Oslo Gardermoen
Sun 9/13
6:25 am-4:35 pm
2 stops16h 10m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sat 8/8
8:20 pm-12:10 am
1 stop21h 50m
Oslo Gardermoen
Sun 8/16
9:55 am-7:25 pm
2 stops15h 30m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 8/24
5:40 pm-10:55 pm
2 stops23h 15m
Oslo Gardermoen
Sun 8/30
6:50 pm-3:10 pm
1 stop26h 20m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Sun 8/2
8:25 am-5:15 pm
2 stops26h 50m
Oslo Gardermoen
Mon 8/10
11:45 am-7:25 pm
1 stop13h 40m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 7/27
3:25 pm-9:05 am
1 stop11h 40m
Oslo Gardermoen
Sat 8/8
6:15 am-1:35 pm
1 stop13h 20m
Washington, D.C.Oslo
IAD - OSL
IADOSL
Washington, D.C. Dulles Intl
Mon 7/27
7:26 pm-6:35 pm
2 stops17h 09m
Oslo Gardermoen
Wed 8/5
11:50 am-11:26 pm
2 stops17h 36m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
The best time to book flights from Washington, D.C. Dulles Intl Airport to Oslo Gardermoen Airport is 72 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 $853). 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
Entertainment
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2026
OKC - ATL
Food
Boarding
Entertainment
Comfort
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Overall
Reviews
Anonymous,Apr 2026
OKC - ATL
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2026
OKC - ATL
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2026
OKC - ATL
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2026
OKC - ATL
Food
Boarding
Entertainment
Comfort
Crew
Overall
Reviews
Anonymous,Apr 2026
OKC - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$399 | Average$621 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$400 | Average$688 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$401 | Average$434 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$514 | Average$618 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$522 | Average$739 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$529 | Average$655 | FlexibilityNo cancel fee | On-time76% |