AirHint found the following cheapest return flights from Houston (IAH) to San Salvador (SAL) in July 2025 (see full year).

Return flights

27 Jul - 10 Aug	Avianca
27 Jul - 05 Aug	Avianca
15 Jul - 19 Jul	Volaris El Salvador	direct
22 Jul - 25 Jul	Avianca	direct
21 Jul - 25 Jul	Avianca	direct
13 Jul - 16 Jul	United	direct
28 Jul - 06 Aug	Avianca	direct
31 Jul - 17 Aug	Avianca
13 Jul - 14 Jul	Lufthansa	direct
27 Jul - 03 Aug	Avianca
23 Jul - 29 Jul	Avianca
23 Jul - 07 Aug	Avianca
24 Jul - 05 Aug	Avianca
16 Jul - 22 Jul	Avianca	direct
16 Jul - 25 Jul	Avianca	direct
21 Jul - 24 Jul	Avianca	direct
27 Jul - 05 Aug	Avianca	direct
23 Jul - 07 Aug	Avianca	direct
15 Jul - 22 Jul	Avianca	direct
31 Jul - 14 Aug	United	direct

Also check the deals for one-way flights from Houston to San Salvador in July.

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 Houston to San Salvador in July from $225

Return flights