Cheapest one-way flights from Ontario to San Salvador in December from 108€

AirHint found the following cheapest one-way flights from Ontario (ONT) to San Salvador (SAL) in December 2025 (see full year).

One-Way flights

07 Dec Frontier Airlines
04 Dec Frontier Airlines
06 Dec Frontier Airlines
03 Dec Frontier Airlines
13 Dec Frontier Airlines
01 Dec Frontier Airlines
04 Dec Avianca direct
23 Dec Frontier Airlines
06 Dec Avianca direct
23 Dec Avianca direct

Also check the deals for return flights from Ontario 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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