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

Return flights

05 Dec - 08 Dec	Spirit Airlines
02 Dec - 08 Dec	Spirit Airlines
05 Dec - 23 Dec	Spirit Airlines
05 Dec - 22 Dec	Spirit Airlines
02 Dec - 22 Dec	Spirit Airlines
02 Dec - 23 Dec	Spirit Airlines
21 Dec - 29 Dec	Arajet
13 Dec - 30 Dec	Spirit Airlines
16 Dec - 22 Dec	Spirit Airlines
13 Dec - 23 Dec	Spirit Airlines
30 Dec - 04 Jan	Spirit Airlines
28 Dec - 04 Jan	Spirit Airlines
16 Dec - 04 Jan	Spirit Airlines
21 Dec - 04 Jan	Spirit Airlines

Also check the deals for one-way flights from Boston 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 Boston to Guatemala City in December from 241€

Return flights