AirHint found the following cheapest return flights from Atlanta (ATL) to Toronto (YYZ) in January 2026 (see full year).

Return flights

22 Jan - 26 Jan	Spirit Airlines
16 Jan - 21 Jan	Spirit Airlines
13 Jan - 20 Jan	Spirit Airlines
20 Jan - 23 Jan	Frontier Airlines
16 Jan - 19 Jan	Spirit Airlines
24 Jan - 27 Jan	WestJet
17 Jan - 19 Jan	Spirit Airlines
15 Jan - 18 Jan	WestJet
23 Jan - 29 Jan	WestJet
31 Jan - 02 Feb	Spirit Airlines
30 Jan - 02 Feb	Spirit Airlines
15 Jan - 19 Jan	WestJet
31 Jan - 01 Feb	Frontier Airlines
31 Jan - 02 Feb	Air Canada	direct
31 Jan - 01 Feb	Air Canada	direct

Also check the deals for one-way flights from Atlanta to Toronto in January.

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 Atlanta to Toronto in January from $179

Return flights