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

Return flights

12 Oct - 13 Oct	Ryanair
12 Oct - 14 Oct	Ryanair
15 Oct - 21 Oct	Ryanair
30 Oct - 12 Nov	Ryanair
17 Oct - 21 Oct	Ryanair
15 Oct - 17 Oct	Ryanair
15 Oct - 20 Oct	Ryanair
12 Oct - 15 Oct	Ryanair
20 Oct - 22 Oct	Ryanair
25 Oct - 07 Nov	Ryanair
23 Oct - 27 Oct	Ryanair
15 Oct - 26 Oct	Ryanair
30 Oct - 10 Nov	Ryanair
16 Oct - 02 Nov	Jet2
30 Oct - 04 Nov	Ryanair
23 Oct - 02 Nov	Ryanair
24 Oct - 15 Nov	Ryanair
25 Oct - 01 Nov	Ryanair
31 Oct - 13 Nov	Ryanair
24 Oct - 02 Nov	Ryanair

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 $761

Return flights