
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $511 (Ticket) |
One-way from | $381 (Flysmarter) |
Popular in | June |
Cheapest in | March |
Average price | $465 |
Fly from
Fly to
Route
Depart
Return
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Thu 5/21
6:30 am-3:35 pm
1 stop15h 05m
Washington, D.C. Dulles Intl
Thu 5/28
7:33 pm-4:20 pm
2 stops14h 47m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Thu 5/7
1:50 pm-7:20 pm
1 stop11h 30m
Washington, D.C. Dulles Intl
Mon 5/11
8:30 pm-3:25 pm
1 stop12h 55m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Mon 6/1
6:45 am-1:30 pm
1 stop12h 45m
Washington, D.C. Dulles Intl
Tue 6/16
3:25 pm-9:05 am
1 stop11h 40m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Thu 5/7
1:50 pm-7:20 pm
1 stop11h 30m
Washington, D.C. Dulles Intl
Sat 5/16
8:30 pm-12:35 pm
1 stop10h 05m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Thu 5/21
9:55 am-4:05 pm
1 stop12h 10m
Washington, D.C. Dulles Intl
Wed 6/3
10:20 pm-10:05 pm
1 stop17h 45m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Thu 5/21
6:30 am-3:35 pm
1 stop15h 05m
Washington, D.C. Dulles Intl
Wed 6/3
1:32 pm-8:45 am
2 stops13h 13m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Sat 5/23
6:30 am-6:53 pm
2 stops18h 23m
Washington, D.C. Dulles Intl
Fri 6/5
1:11 pm-8:40 am
2 stops13h 29m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Fri 5/8
1:50 pm-7:20 pm
1 stop11h 30m
Washington, D.C. Dulles Intl
Sat 5/16
8:30 pm-12:35 pm
1 stop10h 05m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Mon 6/8
8:30 pm-8:20 pm
2 stops29h 50m
Washington, D.C. Dulles Intl
Mon 6/15
5:40 pm-4:35 pm
2 stops16h 55m
OsloWashington, D.C.
OSL - IAD
OSLIAD
Oslo Gardermoen
Mon 6/1
1:50 pm-7:20 pm
1 stop11h 30m
Washington, D.C. Dulles Intl
Wed 6/17
11:20 pm-3:25 pm
1 stop10h 05m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, March is the cheapest month in which you can book a flight from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport (average of $465). Flying from Oslo Gardermoen Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $714). 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.
Overall
Comfort
Entertainment
Food
Crew
Boarding
Reviews
Anonymous,Mar 2026
CPH - ORD
Overall
Comfort
Entertainment
Food
Crew
Boarding
Reviews
Anonymous,Mar 2026
CPH - ORD
Overall
Comfort
Entertainment
Food
Crew
Boarding
Reviews
Anonymous,Mar 2026
CPH - ORD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$514 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$496 | Average$705 | FlexibilityNo cancel fee | On-time77% |