AirHint found the following cheapest return flights from Calgary (YYC) to Atlanta (ATL) in December 2025 (see full year).

Return flights

03 Dec - 09 Dec	WestJet
02 Dec - 09 Dec	WestJet	direct
02 Dec - 16 Dec	WestJet	direct
09 Dec - 16 Dec	WestJet	direct
03 Dec - 09 Dec	WestJet	direct
03 Dec - 08 Dec	WestJet
02 Dec - 08 Dec	WestJet	direct
08 Dec - 15 Dec	WestJet
03 Dec - 08 Dec	WestJet	direct
10 Dec - 17 Dec	WestJet
16 Dec - 10 Jan	United
23 Dec - 06 Jan	WestJet
31 Dec - 16 Jan	WestJet
31 Dec - 21 Jan	WestJet
17 Dec - 04 Jan	WestJet
24 Dec - 07 Jan	WestJet	direct
30 Dec - 23 Jan	WestJet
16 Dec - 04 Jan	WestJet
23 Dec - 13 Jan	WestJet
09 Dec - 03 Jan	WestJet

Also check the deals for one-way flights from Calgary to Atlanta in December.

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 Calgary to Atlanta in December from $111

Return flights