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

Return flights

20 Jul - 31 Jul	WestJet
15 Jul - 22 Jul	WestJet
05 Jul - 08 Jul	WestJet
04 Jul - 13 Jul	WestJet
12 Jul - 19 Jul	WestJet
15 Jul - 18 Aug	WestJet
10 Jul - 17 Jul	WestJet
19 Jul - 27 Jul	WestJet
17 Jul - 24 Jul	Air Transat
16 Jul - 23 Jul	Air Transat
16 Jul - 24 Jul	Air Transat
16 Jul - 06 Aug	Condor

Also check the deals for one-way flights from Toronto to Sofia 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 Sofia in July from 685€

Return flights