Flights to Puerto Rico Island from Buffalo - ￥31,580

View ￥31,580 flight on Fri, Jan 9, 2026Opens in a new window

Popular airlines from Buffalo to Puerto Rico Island

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Cheap Flights from Buffalo to Puerto Rico Island (BUF-SJU)

Prices were available within the past 7 days and start at ￥31,580 for one-way flights and ￥54,660 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Jan 9 - Sat, Jan 17
BUF
Buffalo
SJU
San Juan
￥54,660 Roundtrip, found 1 day ago
￥54,660
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 9 from Buffalo to San Juan, returning Sat, Jan 17, priced at ￥54,660 found 1 day ago
American Airlines
Fri, Jan 9 - Sat, Jan 17
BUF
Buffalo
SJU
San Juan
￥58,060 Roundtrip, found 1 day ago
￥58,060
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jan 9 from Buffalo to San Juan, returning Sat, Jan 17, priced at ￥58,060 found 1 day ago
Delta
Fri, Jan 9 - Sat, Jan 17
BUF
Buffalo
SJU
San Juan
￥62,160 Roundtrip, found 1 day ago
￥62,160
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 9 from Buffalo to San Juan, returning Sat, Jan 17, priced at ￥62,160 found 1 day ago
Delta
Fri, Jan 9 - Sat, Jan 17
BUF
Buffalo
SJU
San Juan
￥63,060 Roundtrip, found 1 day ago
￥63,060
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 9 from Buffalo to San Juan, returning Sat, Jan 17, priced at ￥63,060 found 1 day ago
Delta
Fri, Jan 9 - Sat, Jan 17
BUF
Buffalo
SJU
San Juan
￥63,760 Roundtrip, found 1 day ago
￥63,760
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 9 from Buffalo to San Juan, returning Sat, Jan 17, priced at ￥63,760 found 1 day ago
United
Fri, Jan 9 - Sat, Jan 17
BUF
Buffalo
SJU
San Juan
￥70,460 Roundtrip, found 1 day ago
￥70,460
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 9 from Buffalo to San Juan, returning Sat, Jan 17, priced at ￥70,460 found 1 day ago

Find the cheapest month to fly from Buffalo (BUF) to San Juan (SJU)

March is typically the cheapest month to fly

From ￥20,080 - ￥77,594 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.