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

Return flights

20 Oct - 27 Oct	Frontier Airlines
15 Oct - 21 Oct	Frontier Airlines
30 Oct - 03 Nov	Frontier Airlines
18 Oct - 20 Oct	Frontier Airlines
12 Oct - 28 Oct	Frontier Airlines
11 Oct - 14 Oct	Frontier Airlines
24 Oct - 27 Oct	Frontier Airlines
24 Oct - 28 Oct	Frontier Airlines
12 Oct - 28 Oct	Avianca	direct
09 Oct - 13 Oct	Avianca
07 Oct - 08 Oct	Avianca
30 Oct - 06 Nov	Avianca
28 Oct - 04 Nov	Avianca
28 Oct - 05 Nov	Frontier Airlines
28 Oct - 05 Nov	United	direct
28 Oct - 04 Nov	United	direct
27 Oct - 03 Nov	United	direct
29 Oct - 02 Nov	United
22 Oct - 15 Nov	Avianca	direct
19 Oct - 02 Nov	Avianca

Also check the deals for one-way flights from Washington to Guatemala City in October.

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 October from 202€

Return flights