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

Return flights

13 Apr - 19 Apr	Lufthansa
13 Apr - 22 Apr	Air Dolomiti
17 Apr - 19 Apr	Lufthansa
09 Apr - 13 Apr	Lufthansa
07 Apr - 14 Apr	Lufthansa
16 Apr - 30 Apr	Air Dolomiti
20 Apr - 30 Apr	Lufthansa
17 Apr - 30 Apr	Lufthansa
23 Apr - 29 Apr	Lufthansa
17 Apr - 29 Apr	Lufthansa
28 Apr - 12 May	Lufthansa
20 Apr - 03 May	Lufthansa
29 Apr - 03 May	Lufthansa
20 Apr - 01 May	KLM
30 Apr - 03 May	Delta
28 Apr - 31 May	KLM
24 Apr - 08 May	KLM
22 Apr - 01 May	KLM
19 Apr - 01 May	KLM
15 Apr - 02 May	Lufthansa

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 573€

Return flights