Cheapest return flights from Chicago to San Salvador in December from 267€

AirHint found the following cheapest return flights from Chicago (MDW) to San Salvador (SAL) in December 2025 (see full year).

Return flights

04 Dec - 10 Dec Frontier Airlines
02 Dec - 15 Dec Frontier Airlines
15 Dec - 22 Dec Frontier Airlines
31 Dec - 04 Jan Frontier Airlines
22 Dec - 02 Jan Frontier Airlines
30 Dec - 03 Jan Frontier Airlines
21 Dec - 03 Jan Frontier Airlines

Also check the deals for one-way flights from Chicago to San Salvador in December.

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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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