Cheapest one-way flights from Washington to Guatemala City in December from $144

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

One-Way flights

30 Dec Frontier Airlines
29 Dec Frontier Airlines
29 Dec Avianca direct
27 Dec Frontier Airlines
12 Dec Avianca direct
27 Dec Avianca direct
24 Dec Avianca direct
23 Dec Frontier Airlines
09 Dec Avianca
23 Dec Avianca direct

Also check the deals for return flights from Washington to Guatemala City in December.

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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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