Cheapest return flights from London to Calgary in May from 449€

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

Return flights

05 May - 12 May British Airways
05 May - 13 May British Airways
05 May - 16 May British Airways
08 May - 16 May British Airways
07 May - 21 May Aer Lingus
23 May - 25 May Air Canada
04 May - 16 May Aer Lingus
04 May - 14 May Aer Lingus
02 May - 06 May Aer Lingus
04 May - 06 May Aer Lingus
26 May - 02 Jun WestJet direct
15 May - 04 Jun British Airways
16 May - 04 Jun WestJet direct
23 May - 04 Jun WestJet direct
30 May - 08 Jun WestJet direct
25 May - 10 Jun Iberia
30 May - 06 Jun Vueling Airlines
20 May - 07 Jun WestJet
29 May - 06 Jun Vueling Airlines
18 May - 05 Jun WestJet direct

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

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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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