AirHint found the following cheapest return flights from Toronto (YYZ) to London (STN) in July 2025 (see full year).

Return flights

29 Jul - 18 Aug	Porter Airlines (Canada) Ltd
14 Jul - 20 Aug	Porter Airlines (Canada) Ltd
21 Jul - 25 Aug	WestJet
28 Jul - 11 Aug	WestJet
30 Jul - 27 Aug	Porter Airlines (Canada) Ltd
22 Jul - 05 Aug	WestJet
27 Jul - 07 Aug	WestJet
28 Jul - 10 Aug	WestJet
26 Jul - 11 Aug	WestJet
15 Jul - 13 Aug	WestJet
15 Jul - 17 Jul	WestJet
14 Jul - 23 Jul	WestJet
21 Jul - 24 Jul	WestJet
23 Jul - 30 Jul	WestJet
13 Jul - 22 Jul	Air Transat
15 Jul - 22 Jul	Air Transat
07 Jul - 15 Jul	Air Transat
06 Jul - 09 Jul	Air Canada
22 Jul - 29 Jul	Air Transat
23 Jul - 29 Jul	Air Transat

Also check the deals for one-way flights from Toronto to London in July.

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 July from $489

Return flights