Cheapest return flights from Phoenix to San Salvador in December from 268€

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

Return flights

26 Dec - 31 Dec Frontier Airlines
12 Dec - 14 Dec Frontier Airlines
25 Dec - 30 Dec Frontier Airlines
15 Dec - 30 Dec Frontier Airlines
24 Dec - 05 Jan Frontier Airlines
19 Dec - 08 Jan Frontier Airlines
17 Dec - 30 Dec United
13 Dec - 03 Jan Hawaiian Airlines

Also check the deals for one-way flights from Phoenix 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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