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

Return flights

26 Apr - 03 May	British Airways
16 Apr - 24 Apr	Icelandair
21 Apr - 28 Apr	Lufthansa
16 Apr - 23 Apr	Lufthansa
23 Apr - 27 Apr	Lufthansa
17 Apr - 01 May	Lufthansa
18 Apr - 25 Apr	Lufthansa
25 Apr - 02 May	Aer Lingus
25 Apr - 06 May	Aer Lingus
25 Apr - 03 May	Aer Lingus
11 Apr - 24 Apr	Lufthansa
11 Apr - 18 Apr	Lufthansa
12 Apr - 18 Apr	Lufthansa
11 Apr - 22 Apr	British Airways
16 Apr - 30 Apr	Lufthansa
27 Apr - 12 May	Aer Lingus
27 Apr - 04 May	Aer Lingus
23 Apr - 03 May	WestJet	direct
25 Apr - 10 May	WestJet	direct
25 Apr - 09 May	WestJet	direct

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 462€

Return flights