Cheapest one-way flights from Washington to San Salvador in December from 106€

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

One-Way flights

01 Dec Avianca direct
07 Dec Avianca direct
02 Dec Avianca direct
04 Dec Avianca direct
06 Dec Avianca direct
08 Dec Frontier Airlines
09 Dec Copa
28 Dec Frontier Airlines direct
24 Dec Frontier Airlines direct
25 Dec Frontier Airlines direct

Also check the deals for return flights from Washington to San Salvador in December.

Skyscanner

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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