Boston → San Juan flights
Boston (BOS, PSM)→San Juan (SIG, SJU)
from$277
Last observed price · Last checked: 11 Aug 2026 · Price may change
Selected search
Last checked: 11 Aug 2026 · Price may change
$277
Wed 14 Oct 2026 → Wed 21 Oct 2026
JetBlue1 stop7 nights
CheapestLast checked: 11 Aug 2026 · Price may change
$277 lowest$308 average4h 09m fastest
Options found on this date
View ticket →Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
JE$277Cheapest14 Oct 2026 → 21 Oct 2026JetBlue · Non-stop · 11:20 - 15:29 · 4h 09mLast checked: 11 Aug 2026 · Price may change7 nightsView ticket →JE$28031 Aug 2026 → 14 Sep 2026JetBlue · 1 stop · 17:00Last checked: 11 Aug 2026 · Price may change14 nightsView ticket →JE$28026 Oct 2026 → 31 Oct 2026JetBlue · 1 stop · 10:15Last checked: 11 Aug 2026 · Price may change5 nightsView ticket →AA$29120 Aug 2026 → 24 Aug 2026American Airlines · 1 stop · 15:20Last checked: 11 Aug 2026 · Price may change4 nightsView ticket →JE$2921 Sep 2026 → 8 Sep 2026JetBlue · 1 stop · 12:10Last checked: 11 Aug 2026 · Price may change7 nightsView ticket →AA$3159 Oct 2026 → 11 Oct 2026American Airlines · 1 stop · 17:46Last checked: 11 Aug 2026 · Price may change2 nightsView ticket →JE$34029 Aug 2026 → 4 Sep 2026JetBlue · Non-stop · 06:00Last checked: 11 Aug 2026 · Price may change6 nightsView ticket →JE$34028 Aug 2026 → 4 Sep 2026JetBlue · Non-stop · 19:50Last checked: 11 Aug 2026 · Price may change7 nightsView ticket →
Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Observed priceLowest monthno price observedLast checked: 11 Aug 2026
Boston → San JuanWed 14 Oct 2026 · $277
Find flightsRoute facts
Direct flights
Non-stop
BOS - SIG, 4h 09m
Airlines seen
2
American Airlines, JetBlue
Cheapest month
October 2026
$277
Average observed
$308
Typical duration
4h 09m
Alternative airports
2
PSM, SJU
Frequently asked
Are there direct flights from Boston to San Juan?+−
Yes. We have seen non-stop flights on this route, flown by JetBlue.
How much is a flight from Boston to San Juan?+−
The lowest fare we have observed is $277, found on 11 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from Boston to San Juan?+−
These are the carriers we have seen on the route: American Airlines, JetBlue.
When is the cheapest month to fly from Boston to San Juan?+−
In our observations October 2026 is the cheapest month so far, at $277.
Similar routes
Last checked: 11 Aug 2026