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

Return flights

30 Mar - 22 Apr	Air Canada
04 Mar - 08 Mar	Air Canada
03 Mar - 09 Mar	Air Canada
30 Mar - 04 Apr	Air Canada
25 Mar - 07 Apr	Air Canada
31 Mar - 08 Apr	Air Canada
16 Mar - 24 Mar	Air Canada
01 Mar - 11 Mar	Air Canada
01 Mar - 15 Mar	Air Canada
06 Mar - 15 Mar	Air Canada
01 Mar - 31 Mar	Air Canada
21 Mar - 30 Mar	Air Canada
04 Mar - 19 Mar	Air Canada
10 Mar - 20 Mar	Air Canada
27 Mar - 08 Apr	Air Canada
25 Mar - 05 Apr	Air Canada
27 Mar - 07 Apr	Air Canada
26 Mar - 12 Apr	Air Canada
26 Mar - 04 Apr	Air Canada
26 Mar - 06 Apr	Air Canada

Also check the deals for one-way flights from Toronto 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 Toronto to London in March from $692

Return flights