Oslo (OSL) to Barcelona (BCN): 1,361 miles (2,190 km) great-circle, about 3h 15m nonstop by our estimate. Cheapest fare observed: $156 round-trip on Ryanair UK, with 1 stop, departing April 27, 2026.
$156 round-trip, Ryanair UK RK33, departing 2026-04-27 at 13:25, returning 2026-05-02. The recorded itinerary left on a Monday, returning on a Saturday 5 nights later; the fare was observed 2 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $156, it ranked 11th of the 30 round-trip fares we recorded from OSL (median $244). That is 11.5 cents per great-circle mile (round-trip price over one-way distance), below the OSL median of 18.6 cents across 30 round-trip routes.
Routes from OSL of similar length: Rome (1,272 mi) at $156 and Longyearbyen (1,251 mi) at $374.
Ryanair UK had the cheapest fare on 5 of 30 OSL routes. It is the 13th longest of the 30 routes we track from OSL.
Of 57 departure airports with a fare to Barcelona, Oslo (OSL) ranked 31st at $156. Lowest: $44 from Milan (MXP); highest: $1401 from Brisbane (BNE); 28 nonstop. Cheapest-fare airlines (routes): Vueling (11), Wizz Air (10), Ryanair (8), Air Canada (4), Air Europa (3) and Wizz Air Malta (3), plus 18 more.
That depends on your passport and trip, so check the official source for Spain: 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/Madrid; flight time is our estimate.