Fly from Phoenix to Oslo for $607 round-trip on United.
Searching United.com, we found seats departing PHX on Monday, September 7, returning from OSL on Tuesday, September 15.
Other dates are also available for departures in September/October.
For booking info, see our Fare Details.
Need a room in Oslo? Here's a look at what's available for the above dates on Hotelwatchdog.