AirHint found the following cheapest return flights from London (LCY) to Calgary (YYC) in May 2026 (see full year).

Return flights

06 May - 12 May	Lufthansa
06 May - 20 May	ITA Airways
12 May - 26 May	Lufthansa
04 May - 10 May	Lufthansa
11 May - 17 May	Lufthansa
07 May - 14 May	SWISS
07 May - 10 May	Virgin Atlantic
13 May - 20 May	Lufthansa
12 May - 16 May	Lufthansa
19 May - 28 May	SWISS
27 May - 17 Jun	KLM
19 May - 03 Jun	KLM
25 May - 08 Jun	Lufthansa
25 May - 03 Jun	Lufthansa
20 May - 03 Jun	Lufthansa
20 May - 01 Jun	KLM
11 May - 16 Jun	KLM
25 May - 15 Jun	Lufthansa
30 May - 13 Jun	Virgin Atlantic
29 May - 13 Jun	KLM

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

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 London to Calgary in May from 596€

Return flights