Route guide

Buffalo to San Juan (BUF-SJU): Nonstop Upgrade & Award Space

JetBlue Airways flies nonstop from Buffalo (BUF) to San Juan (SJU) just three times a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on all of them, so a rare opening doesn't slip past you.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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3
Nonstop flights a week
1,849 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every BUF to SJU departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Buffalo to San Juan to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each BUF to SJU departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See BUF to SJU on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Buffalo to San Juan nonstop

Carriers operating BUF to SJU nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • JetBlue Airways
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Frequently asked questions about BUF to SJU

How far is San Juan from Buffalo?
BUF to SJU covers about 1,849 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from BUF to SJU?
JetBlue Airways is currently the only airline flying BUF to SJU nonstop. 2LNR tracks confirmed upgrade and award space on every JetBlue Airways departure.
How often does BUF to SJU operate?
The nonstop currently runs three times a week, on JetBlue Airways. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on BUF to SJU?
Open the BUF to SJU calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Buffalo to San Juan route, and 2LNR will notify you when space opens. It's free to start.

Never miss BUF to SJU upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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