
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $363 (Ticket) |
One-way from | $321 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $782 |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Mon 1/19
6:30 pm-11:35 am
1 stop10h 05m
Oslo Gardermoen
Thu 1/29
1:10 pm-5:20 pm
1 stop11h 10m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Thu 2/5
10:29 am-9:20 am
2 stops15h 51m
Oslo Gardermoen
Sun 2/8
5:55 am-4:55 pm
1 stop18h 00m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Fri 1/23
10:29 am-9:20 am
2 stops15h 51m
Oslo Gardermoen
Fri 1/30
8:00 am-4:55 pm
1 stop15h 55m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Fri 2/27
8:15 pm-5:55 pm
1 stop14h 40m
Oslo Gardermoen
Tue 3/10
6:45 pm-4:00 pm
1 stop27h 15m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Fri 2/20
7:20 pm-1:10 pm
1 stop10h 50m
Oslo Gardermoen
Fri 3/6
11:05 am-4:55 pm
1 stop12h 50m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Wed 2/18
7:20 pm-1:10 pm
1 stop10h 50m
Oslo Gardermoen
Sat 3/7
11:05 am-4:45 pm
1 stop12h 40m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Thu 1/15
11:00 am-9:20 am
2 stops15h 20m
Oslo Gardermoen
Sun 1/18
10:00 am-4:55 pm
1 stop13h 55m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Mon 1/12
9:05 pm-12:10 pm
2 stops32h 05m
Oslo Gardermoen
Sun 1/25
1:00 pm-4:20 pm
1 stop34h 20m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Tue 1/13
6:00 pm-5:40 pm
1 stop16h 40m
Oslo Gardermoen
Fri 1/23
6:15 am-3:20 pm
1 stop16h 05m
ChicagoOslo
ORD - OSL
ORDOSL
Chicago O'Hare Intl
Tue 1/13
11:00 am-9:20 am
2 stops15h 20m
Oslo Gardermoen
Fri 1/23
11:05 am-10:29 pm
2 stops18h 24m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars |
The best time to book flights from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport is 42 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, December is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport (average of $377). Flying from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport in June is currently the most expensive (average of $621). 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.
A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport in the morning. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the evening.
About 40% of weekly flights between Chicago and Oslo have experienced delays in the past year, with the average delay time being 244 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Atlas Air have had the lowest number of delays on this route, with just 50% of flights being delayed.
Reykjavik (KEF) – chosen by Cheapflights users on 80% of 1-stop itineraries from Chicago O'Hare Intl Airport to Oslo Gardermoen Airport on Cheapflights.
Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $545.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 06m.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 19m.
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
YYC - AMS
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
YYC - AMS
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
YYC - AMS
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
YYC - AMS
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
YYC - AMS
Boarding
Food
Entertainment
Crew
Comfort
Overall
Reviews
Anonymous,Dec 2025
YYC - AMS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$388 | Average$782 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$417 | Average$604 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$494 | Average$614 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$505 | Average$570 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$513 | Average$634 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$521 | Average$629 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$530 | Average$684 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$532 | Average$644 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$544 | Average$775 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$544 | Average$747 | FlexibilityNo cancel fee | On-time75% |