Oslo (OSL) to Warsaw (WAW): 671 miles (1,079 km) great-circle, about 1h 50m nonstop by our estimate. Cheapest fare observed: $127 round-trip on Wizz Air, nonstop, departing May 20, 2026.
$127 round-trip, Wizz Air W61516, departing 2026-05-20 at 15:05, returning 2026-05-20. The recorded itinerary left on a Wednesday and came back the same day; the fare was observed 25 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $127, it ranked 8th of the 30 round-trip fares we recorded from OSL (median $244). That is 18.9 cents per great-circle mile (round-trip price over one-way distance), close to the OSL median of 18.6 cents across 30 round-trip routes.
Routes from OSL of similar length: St. Petersburg (660 mi) at $613 and Vilnius (651 mi) at $111.
Wizz Air had the cheapest fare on 6 of 30 OSL routes. It is the 25th longest of the 30 routes we track from OSL.
Of 34 departure airports with a fare to Warsaw, Oslo (OSL) ranked 15th at $127. Lowest: $35 from Helsinki (HEL); highest: $1767 from Brisbane (BNE); 16 nonstop. Cheapest-fare airlines (routes): Ryanair (9), Wizz Air (9), Lufthansa (3), Wizz Air Malta (3), Porter Airlines (2) and Air Canada (1), plus 7 more.
That depends on your passport and trip, so check the official source for Poland: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Oslo, Europe/Warsaw; flight time is our estimate.