Cheapest return flights from Philadelphia to Barcelona in October from $518

Best time to book flights for Philadelphia (PHL) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to Barcelona (BCN) in October 2025 (see full year).

Return flights

13 Oct - 20 Oct United
09 Oct - 23 Oct Air Canada
12 Oct - 26 Oct Air Canada
09 Oct - 16 Oct United
08 Oct - 19 Oct Air Canada
05 Oct - 18 Oct Air Canada
29 Oct - 05 Nov United
04 Oct - 12 Oct British Airways
04 Oct - 18 Oct British Airways
28 Oct - 02 Nov Air Canada
04 Oct - 11 Oct United
12 Oct - 26 Oct Finnair direct
28 Oct - 02 Nov Iberia direct

Also check the deals for one-way flights from Philadelphia to Barcelona in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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