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

Return flights

31 Oct - 13 Nov	Lufthansa
31 Oct - 13 Nov	Lufthansa	direct
31 Oct - 09 Nov	Air Canada
31 Oct - 05 Nov	Air Canada
31 Oct - 06 Nov	Air Canada
31 Oct - 07 Nov	Air Canada
28 Oct - 04 Nov	Finnair
27 Oct - 19 Nov	Finnair
30 Oct - 05 Nov	Finnair
30 Oct - 20 Nov	Finnair
27 Oct - 30 Oct	WestJet	direct
27 Oct - 29 Oct	Vueling Airlines
27 Oct - 29 Oct	WestJet	direct
26 Oct - 30 Oct	WestJet	direct
28 Oct - 30 Oct	Vueling Airlines
27 Oct - 31 Oct	WestJet	direct
25 Oct - 31 Oct	WestJet	direct
28 Oct - 30 Oct	WestJet	direct

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

Book a cheap hotel in Calgary

Cheap car rent in Calgary

Cheapest return flights from London to Calgary in October from 401€

Return flights