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Cheap flights from SJU to Boston

Recently found return fares from $131, with November the cheapest month we know of. Compare dates, then book with the partner you choose.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

$195 Oct2026 $131 Nov2026 $337 Jan2027

SJU → Boston

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 2 3 4 5 6 7 8 9 10 11 12 $149 13 14 15 16 17 $131 18 19 20 21 22 23 24 25 26 27 28 29 30
LowerHigherLowest this month

Lowest fares for the best day

  • JetBlueWed 4 Nov – Mon 9 Nov · 1 stop · 6h 53m $147
  • JetBlueTue 10 Nov – Sat 14 Nov · Direct · 4h 13m $168
  • JetBlueTue 10 Nov – Fri 13 Nov · 1 stop · 6h 39m $184
  • JetBlueFri 13 Nov – Wed 18 Nov · 1 stop · 5h 57m $319
  • JetBlueWed 25 Nov – Sun 29 Nov · Direct · 4h 13m $401
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Airport in Boston

  • BOSLogan

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More trips from SJU

All flights from SJU Boston to SJU flights
FLLfrom $89 Miamifrom $109 TPAfrom $114 Atlantafrom $126 New Yorkfrom $131 Dallasfrom $139 PHLfrom $145 Medellinfrom $151

FAQ

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Help center Contact us
01What is the cheapest month to fly from SJU to Boston?

Based on recently found fares, November 2026 has the lowest price we know of, from $131. Prices change often, so check the calendar for current fares.

02Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

03How can I get an alert when flights to Boston get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.