Istanbul (IST) to Barcelona (BCN): 1,378 miles (2,218 km) great-circle, about 3h 15m nonstop by our estimate. Cheapest fare observed: $189 round-trip on Vueling, nonstop, departing June 1, 2026.
$189 round-trip, Vueling VY3073, departing 2026-06-01 at 04:35, returning 2026-06-05. The recorded itinerary left on a Monday, returning on a Friday 4 nights later; the fare was observed 37 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $189, it ranked 14th of the 30 round-trip fares we recorded from IST (median $194). That is 13.7 cents per great-circle mile (round-trip price over one-way distance), below the IST median of 20.9 cents across 30 round-trip routes.
Routes from IST of similar length: Paris (1,374 mi) at $177 and Kazan (1,356 mi) at $307.
IST to BCN is the only one of 30 IST routes where Vueling priced cheapest. It is the 6th longest of the 30 routes we track from IST.
Of 57 departure airports with a fare to Barcelona, Istanbul (IST) ranked 34th at $189. 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.
The reverse, Barcelona (BCN) to Istanbul (IST), was $187 round-trip on Vueling, nonstop, departing May 20, 2026. Barcelona to Istanbul flights.
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/Istanbul, Europe/Madrid; flight time is our estimate.