Flights Tickets

Cheap Flights from Boston to San Juan

Compare 4 flight deals from Boston (BOS) to San Juan (SJU). Prices start at $132.

Best Deal

$132

UA · 1 stop · 5h 23m

Book for $132

All Flight Deals

UA · 1833

Jul 18, 2026

5h 23m1 stop$132

B6 · 1017

Aug 31, 2026

7h 33m2 stops$166

B6 · 861

Aug 24, 2026

4h 1mDirect$169

B6 · 561

Nov 3, 2026

4hDirect$170

Looking for different dates or airlines?

Search All Flights BOS SJU