Beef Island to San Juan (EIS-SJU): Nonstop Upgrade & Award Space
Cape Air, InterCaribbean Airways, and Tradewind Aviation fly nonstop between Beef Island (EIS) and San Juan (SJU), roughly 54 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every EIS to SJU departure, so you know which flights have space before you book.
Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.
Confirmed upgrade & award space on every EIS 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 Beef Island 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 EIS 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 EIS to SJU on the interactive route map, with schedules, connections, and route statistics.
Airlines flying Beef Island to San Juan nonstop
Carriers operating EIS to SJU nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.
- Cape Air
- InterCaribbean Airways
- Tradewind Aviation
Frequently asked questions about EIS to SJU
How far is San Juan from Beef Island?
Which airlines fly nonstop from EIS to SJU?
How many flights a week are there from EIS to SJU?
How do I check upgrade or award availability on EIS to SJU?
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