AirHint found the following cheapest return flights from Washington (IAD) to San Salvador (SAL) in July 2025 (see full year).

Return flights

26 Jul - 05 Aug	United	direct
12 Jul - 16 Jul	United	direct
13 Jul - 18 Jul	United	direct
22 Jul - 31 Jul	Avianca
17 Jul - 07 Aug	Avianca
23 Jul - 29 Jul	Avianca
17 Jul - 20 Jul	United	direct
17 Jul - 31 Jul	Avianca
23 Jul - 31 Jul	Avianca
20 Jul - 22 Jul	United
16 Jul - 23 Jul	United	direct
20 Jul - 25 Jul	United	direct
30 Jul - 06 Aug	United	direct
16 Jul - 06 Aug	United	direct
31 Jul - 07 Aug	Frontier Airlines
26 Jul - 03 Aug	United	direct
30 Jul - 08 Aug	Avianca
17 Jul - 07 Aug	United	direct
30 Jul - 08 Aug	United	direct
29 Jul - 03 Aug	United	direct

Also check the deals for one-way flights from Washington to San Salvador in July.

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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Cheapest return flights from Washington to San Salvador in July from 256€

Return flights