Oslo (OSL) to Longyearbyen (LYR): 1,251 miles (2,013 km) great-circle, about 3h 00m nonstop by our estimate. Cheapest fare observed: $374 round-trip on Norwegian, nonstop, departing May 20, 2026.
$374 round-trip, Norwegian DY390, departing 2026-05-20 at 14:00, returning 2026-05-24. The recorded itinerary left on a Wednesday, returning on a Sunday 4 nights later; the fare was observed 25 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $374, it ranked 20th of the 30 round-trip fares we recorded from OSL (median $244). That is 29.9 cents per great-circle mile (round-trip price over one-way distance), above the OSL median of 18.6 cents across 30 round-trip routes.
Routes from OSL of similar length: Bucharest (1,245 mi) at $56 and Rome (1,272 mi) at $156.
Norwegian had the cheapest fare on 8 of 30 OSL routes. It is the 15th longest of the 30 routes we track from OSL.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Oslo, Arctic/Longyearbyen; flight time is our estimate.