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

Return flights

08 Dec - 22 Dec	United
05 Dec - 17 Dec	United
08 Dec - 22 Dec	Frontier Airlines	direct
19 Dec - 19 Dec	Frontier Airlines	direct
05 Dec - 17 Dec	Delta	direct
19 Dec - 05 Jan	Frontier Airlines	direct
23 Dec - 07 Jan	American Airlines
19 Dec - 07 Jan	American Airlines
19 Dec - 04 Jan	American Airlines
23 Dec - 07 Jan	Delta	direct
19 Dec - 07 Jan	Delta	direct
19 Dec - 04 Jan	Delta	direct

Also check the deals for one-way flights from Atlanta to Guatemala City 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 Atlanta to Guatemala City in December from $389

Return flights