ORD to SJU from $218 in economy – flightdeals.net

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Frontier Airlines

F9Frontier Airlines

Round Trip•Economy

O'Hare International Airport

Chicago, United States

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$462 USD

-53%$218 USD

Verified 1 day ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$567 1$524 2$524 3$424 4$424 5$424 6$424 7$424 8$424 9$424 10$424 11$424 12$424 13$482 14$482 15$482 16$503 17$592 18$666 19$830 20$771 21$604 22$632 23$615 24$772 25$748 26$915 27$892 28$874 29$862 30$751 31 1 2 3

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Tuesday, December 29th, 2026

2 round-trip options

Returning

Sun, Jan 3, 2027•5 Day Trip

$1,026 USD

Returning

Mon, Jan 4, 2027•6 Day Trip

$862 USD