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

Return flights

09 Aug - 07 Sep	WestJet
09 Aug - 23 Aug	WestJet
09 Aug - 21 Aug	WestJet
31 Aug - 04 Sep	WestJet
30 Aug - 14 Sep	WestJet
30 Aug - 13 Sep	WestJet
19 Aug - 26 Aug	WestJet
30 Aug - 07 Sep	WestJet
30 Aug - 20 Sep	WestJet
30 Aug - 03 Sep	WestJet
30 Aug - 17 Sep	WestJet
16 Aug - 23 Aug	WestJet
29 Aug - 14 Sep	WestJet	direct
11 Aug - 13 Aug	British Airways
22 Aug - 24 Aug	WestJet
15 Aug - 24 Aug	WestJet
19 Aug - 27 Aug	WestJet
16 Aug - 24 Aug	WestJet
08 Aug - 07 Sep	WestJet
09 Aug - 14 Aug	WestJet

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

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 August from $518

Return flights