Barcelona (BCN) to Istanbul (IST): 1,378 miles (2,218 km) great-circle, about 3h 15m nonstop by our estimate. Cheapest fare observed: $187 round-trip on Vueling, nonstop, departing May 20, 2026.
$187 round-trip, Vueling VY3070, departing 2026-05-20 at 12:30, returning 2026-06-03. The recorded itinerary left on a Wednesday, returning on a Wednesday 14 nights later; the fare was observed 25 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $187, it ranked 21st of the 30 round-trip fares we recorded from BCN (median $129). That is 13.6 cents per great-circle mile (round-trip price over one-way distance), close to the BCN median of 13.7 cents across 30 round-trip routes.
Routes from BCN of similar length: Chisinau (1,380 mi) at $144 and Gdańsk (1,175 mi) at $104.
Vueling had the cheapest fare on 13 of 30 BCN routes. It is the 12th longest of the 30 routes we track from BCN.
Of 117 departure airports with a fare to Istanbul, Barcelona (BCN) ranked 24th at $187. Lowest: $60 from Antalya (AYT); highest: $1639 from Wellington (WLG); 29 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (13), Qatar (7), WestJet (6), Wizz Air (6), Gulf Air (5) and Turkish (5), plus 51 more.
The reverse, Istanbul (IST) to Barcelona (BCN), was $189 round-trip on Vueling, nonstop, departing June 1, 2026. Istanbul to Barcelona flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/Madrid, Europe/Istanbul; flight time is our estimate.