$2,313 Cheap Scandinavian Airlines flights Philadelphia (PHL) to Tromsø (TOS)

You'll discover affordable return SAS flights from $518 from PHL to TOS by sorting your results from "Price (lowest to highest)" on Expedia. Or search for deals from $2,313 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Getting the best SAS deals from PHL to TOS is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is often the most expensive day to book.* It's a good idea to start checking out flights about one month before your travel dates.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Browse SAS's earliest flights from PHL to TOS by selecting our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

A rewarding loyalty program and the ability to rack up points through SAS EuroBonus are the start of the reasons to travel from PHL to TOS with SAS. Plus, when you join Expedia's free One Key™ program, you can receive OneKeyCash™* on top of SAS's loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.