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

Return flights

03 Mar - 10 Mar	Aer Lingus
24 Mar - 31 Mar	Icelandair
01 Mar - 05 Mar	Icelandair
31 Mar - 07 Apr	Aer Lingus
17 Mar - 30 Mar	Aer Lingus
19 Mar - 31 Mar	Aer Lingus
01 Mar - 08 Mar	Aer Lingus
01 Mar - 06 Mar	Aer Lingus
10 Mar - 05 Apr	Azores Airlines
12 Mar - 14 Apr	Azores Airlines
22 Mar - 11 Apr	Aer Lingus
21 Mar - 11 Apr	Air Transat
10 Mar - 20 Mar	Azores Airlines
26 Mar - 16 Apr	Aer Lingus
10 Mar - 21 Mar	Aer Lingus
01 Mar - 21 Mar	Aer Lingus
26 Mar - 06 Apr	TAP
28 Mar - 02 Apr	Icelandair
28 Mar - 18 Apr	Aer Lingus
27 Mar - 06 Apr	TAP

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 454€

Return flights