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

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Frontier Airlines

F9Frontier Airlines

Round Trip•Economy

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

O'Hare International Airport

Chicago, United States

$458 USD

-52%$218 USD

Verified about 18 hours ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$684 1$574 2$524 3$524 4$524 5$524 6$524 7$524 8$524 9$524 10$524 11$545 12$567 13$567 14$567 15$567 16$567 17$467 18$610 19$610 20$610 21$610 22$567 23$610 24$610 25$525 26$610 27$610 28$610 29$604 30$621 31 1 2 3

Extremely Rare Availability

2% 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

$604 USD

Returning

Mon, Jan 4, 2027•6 Day Trip

$604 USD