PHL to SJO from $346 in economy – flightdeals.net

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American Airlines

AAAmerican Airlines

Round Trip•Economy

Philadelphia International Airport

Philadelphia, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$644 USD

-46%$346 USD

Verified about 4 hours ago

August 2026

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27 28 29 30 31 1 2 3 4 5 6 7 8 9 10$759 11$759 12$793 13$804 14$793 15$753 16$753 17$758 18$758 19$745 20$785 21$785 22$745 23$745 24$612 25$541 26$516 27$595 28$595 29$516 30$516 31$482 1$482 2$482 3$574 4$574 5$507 6$482

Rare Availability

7% of dates checked are available within 10% of the lowest price

Thursday, August 6th, 2026

0 round-trip options

No flight details available for this date.