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

Return flights

24 Oct - 08 Nov	WestJet
28 Oct - 09 Nov	WestJet
31 Oct - 08 Nov	WestJet
28 Oct - 04 Nov	WestJet
28 Oct - 08 Nov	WestJet
31 Oct - 09 Nov	WestJet
18 Oct - 09 Nov	WestJet
31 Oct - 11 Nov	WestJet
25 Oct - 08 Nov	WestJet
26 Oct - 09 Nov	WestJet
20 Oct - 28 Oct	WestJet
28 Oct - 31 Oct	WestJet
23 Oct - 25 Oct	British Airways
27 Oct - 31 Oct	WestJet
18 Oct - 29 Oct	WestJet
25 Oct - 29 Oct	WestJet
07 Oct - 08 Oct	WestJet
13 Oct - 20 Oct	WestJet
12 Oct - 17 Oct	WestJet
06 Oct - 20 Oct	WestJet

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

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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Cheapest return flights from Calgary to Barcelona in October from $458

Return flights