AirHint found the following cheapest return flights from Indianapolis (IND) to Barcelona (BCN) in May 2026 (see full year).
Return flights
| 01 May - 08 May | Aer Lingus | ||
| 29 May - 20 Jun | Aer Lingus | ||
| 28 May - 20 Jun | Sun Country Airlines |
Also check the deals for one-way flights from Indianapolis to Barcelona in May.
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