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

Return flights

13 Jan - 24 Jan	United
30 Jan - 10 Feb	United
22 Jan - 29 Jan	United
22 Jan - 29 Jan	Avianca	direct
13 Jan - 24 Jan	Avianca	direct
13 Jan - 27 Jan	Spirit Airlines
22 Jan - 10 Feb	Spirit Airlines
31 Jan - 10 Feb	Spirit Airlines
24 Jan - 10 Feb	Spirit Airlines
22 Jan - 27 Jan	Spirit Airlines
23 Jan - 10 Feb	Spirit Airlines
24 Jan - 27 Jan	Spirit Airlines
23 Jan - 27 Jan	Spirit Airlines
13 Jan - 29 Jan	Spirit Airlines
08 Jan - 27 Jan	Spirit Airlines

Also check the deals for one-way flights from Las Vegas 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 Las Vegas to San Salvador in January from 224€

Return flights