Flights to Isla Caja de Muertos from Boston - ￥19,320

View ￥19,320 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Boston to Isla Caja de Muertos

  • American Airlines

    American Airlines

  • Delta

    Delta

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Cheap Flights from Boston to Isla Caja de Muertos (BOS-SJU)

Prices were available within the past 7 days and start at ￥19,320 for one-way flights and ￥46,620 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Aug 3 - Fri, Aug 8
BOS
Boston
SJU
San Juan
￥46,620 Roundtrip, found 6 days ago
￥46,620
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Aug 3 from Boston to San Juan, returning Fri, Aug 8, priced at ￥46,620 found 6 days ago
Delta
Sun, Aug 3 - Fri, Aug 8
BOS
Boston
SJU
San Juan
￥60,270 Roundtrip, found 6 days ago
￥60,270
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Aug 3 from Boston to San Juan, returning Fri, Aug 8, priced at ￥60,270 found 6 days ago
United
Sun, Aug 3 - Fri, Aug 8
BOS
Boston
SJU
San Juan
￥91,120 Roundtrip, found 6 days ago
￥91,120
Roundtrip
found 6 days ago
Select United flight, departing Sun, Aug 3 from Boston to San Juan, returning Fri, Aug 8, priced at ￥91,120 found 6 days ago
American Airlines
Thu, Aug 28 - Mon, Sep 1
BOS
Boston
SJU
San Juan
￥91,400 Roundtrip, found 5 hours ago
￥91,400
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Aug 28 from Boston to San Juan, returning Mon, Sep 1, priced at ￥91,400 found 5 hours ago
American Airlines
Sun, Aug 3 - Fri, Aug 8
BOS
Boston
SJU
San Juan
￥94,820 Roundtrip, found 6 days ago
￥94,820
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Aug 3 from Boston to San Juan, returning Fri, Aug 8, priced at ￥94,820 found 6 days ago
Delta
Sun, Aug 3 - Fri, Aug 8
BOS
Boston
SJU
San Juan
￥96,070 Roundtrip, found 6 days ago
￥96,070
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Aug 3 from Boston to San Juan, returning Fri, Aug 8, priced at ￥96,070 found 6 days ago

Find the cheapest month to fly from Boston (BOS) to San Juan (SJU)

August is typically the cheapest month to fly

From ￥14,360 - ￥40,819 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.