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

Return flights

30 Dec - 06 Jan	Allegiant Air
29 Dec - 10 Jan	American Airlines
29 Dec - 06 Jan	Breeze Airways
28 Dec - 12 Jan	Frontier Airlines
28 Dec - 31 Dec	United	direct
27 Dec - 06 Jan	Frontier Airlines
31 Dec - 04 Jan	United	direct
27 Dec - 01 Jan	Frontier Airlines
27 Dec - 31 Dec	Frontier Airlines
30 Dec - 04 Jan	Frontier Airlines
28 Dec - 04 Jan	Frontier Airlines
27 Dec - 31 Dec	United	direct
29 Dec - 06 Jan	United	direct

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.

Book a cheap hotel in Guatemala City

Cheap car rent in Guatemala City

Cheapest return flights from Washington to Guatemala City in December from 449€

Return flights