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

Return flights

25 Apr - 27 Apr	Air Canada
15 Apr - 25 Apr	SWISS
15 Apr - 24 Apr	SWISS
13 Apr - 22 Apr	Lufthansa
28 Apr - 05 May	Icelandair
06 Apr - 17 Apr	Icelandair
29 Apr - 06 May	SWISS
08 Apr - 16 Apr	Icelandair
12 Apr - 18 Apr	Icelandair
12 Apr - 17 Apr	Icelandair
13 Apr - 20 Apr	Lufthansa
21 Apr - 26 Apr	SWISS
25 Apr - 02 May	Vueling Airlines
25 Apr - 10 May	Vueling Airlines
27 Apr - 18 May	Aer Lingus
25 Apr - 15 May	Vueling Airlines
29 Apr - 12 May	Icelandair
15 Apr - 02 May	Icelandair
24 Apr - 12 May	Icelandair
30 Apr - 09 May	Icelandair

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

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 April from 467€

Return flights