Cheapest one-way flights from Washington to San Salvador in April from $95

AirHint found the following cheapest one-way flights from Washington (IAD) to San Salvador (SAL) in April 2026 (see full year).

One-Way flights

19 Apr United
11 Apr Frontier Airlines
07 Apr Frontier Airlines direct
02 Apr Frontier Airlines
19 Apr Avianca direct
10 Apr Frontier Airlines
02 Apr Frontier Airlines direct
11 Apr Frontier Airlines direct
10 Apr Frontier Airlines direct
01 Apr Frontier Airlines

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

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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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