AirHint found the following cheapest return flights from Jacksonville (JAX) to Toronto (YYZ) in August 2025 (see full year).

Return flights

03 Aug - 09 Aug	Allegiant Air
14 Aug - 18 Aug	Air Canada	direct
14 Aug - 21 Aug	Allegiant Air
01 Aug - 15 Aug	Air Canada	direct
10 Aug - 23 Aug	Air Canada	direct
16 Aug - 23 Aug	Air Canada	direct
14 Aug - 21 Aug	Air Canada	direct
22 Aug - 25 Aug	American Airlines
04 Aug - 06 Aug	United
29 Aug - 31 Aug	Allegiant Air

Also check the deals for one-way flights from Jacksonville to Toronto in August.

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 Jacksonville to Toronto in August from $366

Return flights