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

Return flights

02 Mar - 09 Mar	WestJet	direct
02 Mar - 10 Mar	WestJet	direct
02 Mar - 11 Mar	WestJet	direct
01 Mar - 08 Mar	Air Canada
02 Mar - 12 Mar	WestJet	direct
06 Mar - 22 Mar	WestJet	direct
01 Mar - 08 Mar	WestJet	direct
02 Mar - 05 Apr	WestJet	direct
02 Mar - 28 Mar	Air Canada
09 Mar - 04 Apr	WestJet	direct
09 Mar - 31 Mar	WestJet
17 Mar - 29 Mar	Virgin Atlantic
18 Mar - 06 Apr	WestJet	direct
23 Mar - 07 Apr	Virgin Atlantic
23 Mar - 18 Apr	Virgin Atlantic
23 Mar - 07 Apr	WestJet	direct
23 Mar - 18 Apr	WestJet	direct

Also check the deals for one-way flights from Calgary to London 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 Calgary to London in March from 371€

Return flights