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

Return flights

09 Mar - 15 Mar	Air Canada
02 Mar - 15 Mar	Air Canada
18 Mar - 28 Mar	Air Canada
11 Mar - 15 Mar	Air Canada
13 Mar - 20 Mar	Air Canada
18 Mar - 25 Mar	Air Canada
18 Mar - 24 Mar	Air Canada
18 Mar - 26 Mar	Air Canada
11 Mar - 19 Mar	Air Canada
05 Mar - 15 Mar	Air Canada
25 Mar - 03 Apr	SWISS
25 Mar - 03 Apr	Air Canada	direct
20 Mar - 02 Apr	Air Canada
21 Mar - 03 Apr	Air Canada
28 Mar - 09 Apr	Aer Lingus
28 Mar - 06 Apr	Aer Lingus
31 Mar - 15 Apr	Aer Lingus
28 Mar - 01 Apr	Aer Lingus
31 Mar - 08 Apr	Aer Lingus
24 Mar - 07 Apr	Air Canada

Also check the deals for one-way flights from London to Toronto 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 Toronto in March from 367€

Return flights