Strong competition among airliners makes it easier to find cheap air tickets to Oslo.
Ensure that you order an air ticket to Oslo Airport Gardermoen (OSL) and not to Oslo Torp (TRF). OSL is 45 km's north of Oslo, in the same direction as Lillehammer, 155 km's further north.
TRF lies 100 km's south of Oslo.
Here we have gathered the most important air carriers to Oslo Lufthavn Gardermoen:
Low cost carrier Norwegian has a very good low price calculator which immediately shows you the lowest prices on any given day.
Choose your departure city here!
Or simply click on your city for cheap flights in September 2008:
Stockholm - Arlanda
There are many more cities that Norwegian flies from!
Other companies:
Continental - directly from Newark to Oslo!
Brussels Airlines - good network from Africa
Multiple search among 460 airlines:
Search for lowest possible prices and buy tickets at this Norwegian web site