AirHint found the following cheapest return flights from Houston (HOU) to San Salvador (SAL) in January 2026 (see full year).

Return flights

16 Jan - 19 Jan	Avianca
10 Jan - 18 Jan	Avianca	direct
16 Jan - 19 Jan	Avianca	direct
22 Jan - 25 Jan	United	direct
01 Jan - 15 Jan	Spirit Airlines	direct
01 Jan - 18 Jan	Spirit Airlines	direct
10 Jan - 22 Jan	Spirit Airlines	direct
10 Jan - 25 Jan	Spirit Airlines	direct
04 Jan - 22 Jan	Spirit Airlines	direct
02 Jan - 22 Jan	Spirit Airlines	direct
20 Jan - 15 Feb	United	direct
02 Jan - 02 Feb	Avianca	direct

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

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 January from $264

Return flights