Cheap flights from San Juan to Buffalo
Cheapest current fares: $173 in August 2026, 2,975 km direct flight in ~3h 30m.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Juan (SJU) to Buffalo (BUF). Refreshed daily.
San Juan (SJU) → Buffalo (BUF)
- August 2026 $173
- June 2026 $174
Frequently asked questions
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What is the cheapest month to fly from San Juan to Buffalo?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from San Juan (SJU) to Buffalo (BUF), with fares starting from $173.
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What is the lowest current fare from SJU to BUF?
The lowest currently-listed fare from San Juan (SJU) to Buffalo (BUF) is $173 on 2026-08-11.
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How long is the flight from San Juan to Buffalo?
Direct flights from SJU to BUF cover approximately 2,975 km (1,849 miles), with an estimated flight time of 3h 30m. Operating airlines: B6.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.