Cheap flights from San Juan to Boston

One-way fares from $130 · SJU → BOS · prices found by travellers in the last 48 hours

Compare all dates Boston → San Juan
Cheapest fare
$130

jetBlue · Tue, Dec 15

Cheapest month
December

from $130

Direct flights
Not recently

Usually 1+ stop

Quickest trip
5h 35m

2,700 km

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Cheapest month to fly from San Juan to Boston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $135
  2. December 2026 Cheapest $130
  3. January 2027 $130

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

jetBlue
Depart07:10 Tue, Dec 15SJU → BOS 5h 35m · 1 stop
$130one way, per person
View deal
See every date in December 2026 →

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About flights from San Juan to Boston

San Juan (SJU) and Boston (BOS) are about 2,700 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 35m. Over the next few months, one-way fares start from $130, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from San Juan to Boston?

The cheapest one-way fare we've seen recently is $130 with jetBlue, departing Tuesday, December 15, 2026. Over the coming months, the lowest fare in each month ranges from $130 to $135.

What is the cheapest month to fly from San Juan to Boston?

December 2026 currently has the lowest fares, from $130 one way.

Are there direct flights from San Juan to Boston?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from San Juan to Boston?

The quickest journey we've seen takes about 5h 35m. San Juan and Boston are around 2,700 km apart.

Which airlines fly from San Juan to Boston?

Recent fares on this route were with Southwest Airlines and jetBlue.

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