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

Return flights

04 Dec - 07 Dec	Avianca
10 Dec - 21 Dec	Copa
11 Dec - 12 Jan	Avianca
06 Dec - 10 Dec	Avianca	direct
12 Dec - 22 Dec	Avianca
12 Dec - 21 Dec	Avianca
11 Dec - 15 Dec	Avianca
11 Dec - 21 Dec	Avianca
03 Dec - 09 Dec	United	direct
04 Dec - 07 Dec	United	direct
25 Dec - 31 Dec	Avianca
27 Dec - 12 Jan	Avianca
13 Dec - 03 Jan	Avianca
19 Dec - 08 Jan	Avianca
13 Dec - 04 Jan	Avianca
19 Dec - 05 Jan	Avianca
21 Dec - 05 Jan	Avianca

Also check the deals for one-way flights from Washington 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 Washington to Guatemala City in December from 262€

Return flights