AirHint found the following cheapest return flights from Boston (BOS) to Guatemala City (GUA) in May 2026 (see full year).

Return flights

11 May - 13 May	Spirit Airlines
11 May - 14 May	Spirit Airlines
20 May - 17 Jun	Avianca
18 May - 17 Jun	Avianca
06 May - 13 May	Spirit Airlines
06 May - 14 May	Spirit Airlines
18 May - 03 Jun	Spirit Airlines
03 May - 06 May	Avianca
05 May - 13 May	Spirit Airlines
05 May - 06 May	Spirit Airlines
05 May - 14 May	Spirit Airlines
01 May - 14 May	jetBlue
18 May - 15 Jun	Avianca
03 May - 13 May	Spirit Airlines
18 May - 16 Jun	Avianca
19 May - 03 Jun	Spirit Airlines
19 May - 16 Jun	jetBlue
19 May - 17 Jun	jetBlue
20 May - 03 Jun	Spirit Airlines
26 May - 03 Jun	Spirit Airlines

Also check the deals for one-way flights from Boston to Guatemala City in May.

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 May from $259

Return flights