Reykjavik (KEF) to Barcelona (BCN): 1,852 miles (2,981 km) great-circle, about 4h 10m nonstop by our estimate. Cheapest fare observed: $295 round-trip on Wizz Air, with 2 stops, departing May 25, 2026.
$295 round-trip, Wizz Air W61964, departing 2026-05-25 at 17:25, returning 2026-06-01. The recorded itinerary left on a Monday, returning on a Monday 7 nights later; the fare was observed 30 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $295, it ranked 9th of the 30 round-trip fares we recorded from KEF (median $398). That is 15.9 cents per great-circle mile (round-trip price over one-way distance), below the KEF median of 20.6 cents across 30 round-trip routes.
Routes from KEF of similar length: Florence (1,916 mi) at $381 and Budapest (1,936 mi) at $201.
Wizz Air had the cheapest fare on 7 of 30 KEF routes. It is the 19th longest of the 30 routes we track from KEF.
Of 57 departure airports with a fare to Barcelona, Reykjavik (KEF) ranked 38th at $295. 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 Atlantic/Reykjavik, Europe/Madrid; flight time is our estimate.