Question : How many days should you spend in Oslo if you're flying in from Indianapolis?
Answer : Of course you're not most people, but if you were, you'd stay roughly 11 days.
Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : The cheapest day to fly in December is Sunday. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : How often is the price changing when booking a trip from Indianapolis International Airport (IND) to Oslo Airport Gardermoen (OSL)?
Answer : Prices are fluctuating a lot more for this route than most routes. However, the sooner you book, the better price you tend to get.