AirHint found the following cheapest return flights from San Salvador (SAL) to Guatemala City (GUA) in August 2025 (see full year).

Return flights

13 Aug - 20 Aug	Volaris El Salvador	direct
11 Aug - 18 Aug	Volaris El Salvador
08 Aug - 15 Aug	Volaris El Salvador
07 Aug - 14 Aug	Volaris Costa Rica
11 Aug - 18 Aug	Avianca	direct
10 Aug - 17 Aug	Volaris El Salvador	direct
01 Aug - 03 Aug	Avianca
08 Aug - 15 Aug	Volaris El Salvador	direct
10 Aug - 26 Aug	Avianca	direct
19 Aug - 22 Aug	Avianca	direct

Also check the deals for one-way flights from San Salvador to Guatemala City in August.

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 San Salvador to Guatemala City in August from 139€

Return flights