AirHint found the following cheapest one-way flights from Washington (IAD) to San Salvador (SAL) in March 2026 (see full year).
One-Way flights
| 16 Mar | Frontier Airlines | ||
| 23 Mar | Delta | ||
| 21 Mar | Frontier Airlines | ||
| 08 Mar | Delta | ||
| 03 Mar | Delta | ||
| 01 Mar | United | ||
| 02 Mar | Delta | ||
| 16 Mar | Avianca | direct | |
| 11 Mar | Avianca | direct | |
| 12 Mar | Avianca | direct |
Also check the deals for return flights from Washington to San Salvador in March.
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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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