How to find the cheapest flight from
Seattle (SEA) to Oslo (OSL)
What is the cheapest day to fly round-trip from Seattle to Oslo?
It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
What is the cheapest month to fly from Seattle to Oslo?
Due to multiple factors, expect to potentially pay more when booking in March. For low rates, October can be a great choice for travel to Oslo. Flights to Oslo from Seattle in October are about $859 on average during October, but can be found for as low as $506.
One-way flights to Oslo from Seattle
The cheapest one-way flights from Seattle to Oslo
11:50 am - 8:35 am
4:00 am - 12:15 pm
9:35 am - 12:35 pm
Related info for your journey
Useful info, stats and facts about Seattle to Oslo flights.
Destination information for Oslo
Things to know before you go. Useful info for your trip from Seattle to Oslo
Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)