Cheapest return flights from Calgary to London in October from $504

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

Return flights

29 Oct - 14 Nov WestJet direct
29 Oct - 22 Nov WestJet direct
29 Oct - 13 Nov WestJet direct
31 Oct - 22 Nov WestJet direct
31 Oct - 10 Nov WestJet direct
31 Oct - 07 Nov WestJet direct
30 Oct - 22 Nov Air Canada
30 Oct - 09 Nov British Airways
30 Oct - 22 Nov WestJet direct
31 Oct - 14 Nov WestJet direct

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

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