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

Return flights

12 May - 20 May	Wizz Air UK
06 May - 20 May	Wizz Air UK
09 May - 31 May	Ryanair
16 May - 31 May	Wizz Air UK
31 May - 07 Jun	easyJet
02 May - 09 May	Ryanair
10 May - 25 May	Wizz Air UK
04 May - 20 May	easyJet
16 May - 30 May	Ryanair
09 May - 23 May	Ryanair
03 May - 10 May	Wizz Air UK
28 May - 10 Jun	Ryanair
20 May - 02 Jun	Icelandair
24 May - 03 Jun	Icelandair
25 May - 01 Jun	Icelandair
25 May - 12 Jun	Icelandair
27 May - 04 Jun	Vueling Airlines
29 May - 12 Jun	Ryanair
27 May - 04 Jun	WestJet	direct
26 May - 05 Jun	WestJet	direct

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 $499

Return flights