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

Return flights

03 Mar - 10 Mar	SWISS
02 Mar - 09 Mar	SWISS
04 Mar - 09 Mar	Air Transat
03 Mar - 09 Mar	Air Transat
02 Mar - 06 Mar	Air Transat
01 Mar - 09 Mar	Air Transat
01 Mar - 11 Mar	Air Transat
01 Mar - 05 Mar	Air Transat
01 Mar - 08 Mar	Air Transat
02 Mar - 16 Mar	Vueling Airlines
25 Mar - 15 Apr	Air Transat
20 Mar - 04 Apr	Air Transat
20 Mar - 02 Apr	Air Transat
25 Mar - 14 Apr	Air Transat
26 Mar - 05 Apr	Air Transat
25 Mar - 11 Apr	Air Transat
25 Mar - 03 Apr	Air Transat
20 Mar - 03 Apr	Air Transat
23 Mar - 05 Apr	Air Transat
21 Mar - 02 Apr	Air Transat

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

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 March from 415€

Return flights