● Deals from
● Sweeping every destination…
$157usually $180−13%27 Sept 2026 · direct · score 62/100 · Solid
Why so cheap?
This fare is below usual but under our auto-research threshold — ask and we’ll find the reason now, with sources.
Fares by departure date
Today’s fare is cheaper than 94% of the 17 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 (2026-08-30) is $157 one-way fare, departing 27 Sept 2026, direct. Fares move constantly — the link below re-checks live availability on Aviasales.
- Is $157 a good price for a Boston to San Juan flight (BOS→SJU)?
- Yes by the data: this route usually costs about $180 (midpoint of Google Flights' typical price range), so $157 is 13% below usual and cheaper than 94% of the 17 fares tracked for this route. FareFloor's deal score for it is 62/100 as of 2026-08-30.
- When is the cheapest time to fly from Boston to San Juan in the coming months?
- Across the departure windows our 2026-08-30 scan compared, the lowest-priced departure found is 27 Sept 2026 at $157 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?
- Yes — the $157 fare found today is a direct flight.