AirHint found the following cheapest return flights from Hamilton (YHM) to Barcelona (BCN) in September 2025 (see full year).

Return flights

02 Sep - 17 Sep	WestJet
10 Sep - 17 Sep	WestJet
05 Sep - 10 Sep	WestJet
13 Sep - 14 Sep	WestJet
27 Sep - 12 Oct	WestJet
30 Sep - 15 Oct	WestJet
13 Sep - 01 Oct	WestJet
30 Sep - 25 Oct	WestJet
27 Sep - 05 Oct	WestJet
27 Sep - 04 Oct	WestJet
11 Sep - 15 Sep	WestJet
09 Sep - 24 Sep	WestJet
20 Sep - 27 Sep	WestJet
09 Sep - 27 Sep	WestJet
23 Sep - 15 Oct	WestJet
24 Sep - 22 Oct	WestJet
06 Sep - 18 Sep	WestJet
23 Sep - 12 Oct	WestJet
23 Sep - 05 Oct	WestJet
23 Sep - 30 Sep	WestJet

Also check the deals for one-way flights from Hamilton to Barcelona in September.

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 Hamilton to Barcelona in September from $797

Return flights