Cheapest one-way flights from Boston to San Salvador in May from $84
AirHint found the following cheapest one-way flights from Boston (BOS) to San Salvador (SAL) in May 2025 (see full year).
One-Way flights
| 11 May | Delta | ||
| 14 May | Delta | ||
| 12 May | Copa | ||
| 18 May | Avianca | direct | |
| 16 May | Avianca | direct | |
| 11 May | Avianca | direct | |
| 14 May | Avianca | direct | |
| 12 May | Avianca | direct | |
| 24 May | United | ||
| 10 May | Frontier Airlines |
Also check the deals for return flights from Boston to San Salvador in May.
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.
