● Deals from
● Sweeping every destination…
$141usually $197−28%27 Oct 2026 · 1-stop · score 69/100 · Solid
Live check · This route is not on today’s below-usual board, so we re-scanned it just now: the current cheapest upcoming fare sits about 28% below its usual level.
Why so cheap?
Researching this route’s pricing right now — checking season, sales, capacity and route news…
Fares by departure date
Today’s fare is cheaper than 95% of the 19 fares tracked for this route.
Questions people ask about this route
- What is the lowest price for a flight from Boston to San Juan right now?
- The lowest price our scan found today (2026-10-09) is $141 one-way fare, departing 27 Oct 2026, 1-stop. Fares move constantly — the link below re-checks live availability on Aviasales.
- Is $141 a good price for a Boston to San Juan flight (BOS→SJU)?
- Yes by the data: this route usually costs about $197 (midpoint of Google Flights' typical price range), so $141 is 28% below usual and cheaper than 95% of the 19 fares tracked for this route. FareFloor's deal score for it is 69/100 as of 2026-10-09.
- When is the cheapest time to fly from Boston to San Juan in the coming months?
- Across the departure windows our 2026-10-09 scan compared, the lowest-priced departure found is 27 Oct 2026 at $141 one-way fare. Method: we sweep this origin's destinations several times a day via Google Flights data and keep the cheapest round-trip window per route — a cheaper window can appear any day, so treat this as today's answer, not a permanent one.
- Is there a direct flight from Boston to San Juan at this price?
- The cheapest fare found today is 1-stop. A direct option, where one exists, may cost more — check the live fare link for alternatives.