Cheapest return ISB–BCN flights, May

AirHint found the following cheapest return flights from Islamabad (ISB) to Barcelona (BCN) in May 2026 (see full year).

Return flights

25 May - 29 May PIA
12 May - 17 May PIA
24 May - 10 Jun Fly Jinnah
20 May - 30 May Fly Jinnah
30 May - 12 Jun Turkish Airlines
24 May - 31 May PIA
09 May - 10 May British Airways
09 May - 14 May British Airways

Also check the deals for one-way flights from Islamabad to Barcelona in May.

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