AirHint found the following cheapest one-way flights from Houston (HOU) to San Salvador (SAL) in August 2025 (see full year).

One-Way flights

18 Aug	Avianca	direct
17 Aug	United	direct
16 Aug	United	direct
05 Aug	Avianca	direct
19 Aug	Avianca	direct
21 Aug	Avianca	direct
14 Aug	Avianca	direct
09 Aug	Avianca	direct
07 Aug	Avianca	direct
02 Aug	Avianca	direct

Also check the deals for return flights from Houston to San Salvador 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.

Book a cheap hotel in San Salvador

Cheap car rent in San Salvador

Cheapest one-way flights from Houston to San Salvador in August from 69€

One-Way flights