Earn point on your loyalty program!arrow arc left

Cheap flights from Boston (BOS) to San Salvador (SAL)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boston (BOS) to San Salvador (SAL)

How to find the cheapest flight from Boston (BOS) to San Salvador (SAL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to San Salvador (SAL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to San Salvador (SAL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boston to San Salvador in January , February 2026

26 Jan - 11 Feb $ 306.00
BOS
Boston
Avianca
DIRECT
SAL
San Salvador
SAL
San Salvador
Avianca
DIRECT
BOS
Boston
Pick dates
19 Jan - 09 Feb $ 360.00
BOS
Boston
Avianca
DIRECT
SAL
San Salvador
SAL
San Salvador
Avianca
DIRECT
BOS
Boston
Pick dates
19 Jan - 06 Feb $ 361.00
BOS
Boston
Avianca
DIRECT
SAL
San Salvador
SAL
San Salvador
Avianca
DIRECT
BOS
Boston
Pick dates

Last minute flights from Boston to San Salvador

27 Jan - 31 Jan $ 251.00
BOS
Boston
Spirit Airlines
1 STOPS
SAL
San Salvador
SAL
San Salvador
Spirit Airlines
2 STOPS
BOS
Boston
Pick dates
18 Jan - 31 Jan $ 516.00
BOS
Boston
United Airlines
1 STOPS
SAL
San Salvador
SAL
San Salvador
United Airlines
1 STOPS
BOS
Boston
Pick dates
19 Jan - 01 Feb $ 669.00
BOS
Boston
Copa Airlines
DIRECT
SAL
San Salvador
SAL
San Salvador
Copa Airlines
1 STOPS
BOS
Boston
Pick dates

One-way flights to San Salvador from Boston

7:05 AM - 12:21 PM
United Airlines
1 Stops
9h 19m
BOS - SAL
$ 85
Kiwi
Pick dates
7:05 AM - 6:16 PM
United Airlines
1 Stops
15h 14m
BOS - SAL
$ 85
Kiwi
Pick dates
3:25 PM - 3:25 PM
Avianca
0 Stops
5h 50m
BOS - SAL
$ 196
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to San Salvador (SAL)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to San Salvador (SAL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to San Salvador (SAL)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.