ORD to SJU from $218 in economy

F9Frontier Airlines

Round Trip•Economy

ORD

O'Hare International Airport

Chicago, United States

SJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico

$462 USD

-53%$218 USD

Verified 1 day ago

December 2026

Today

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

Wednesday, December 23rd, 2026

8 round-trip options

Returning

Mon, Dec 28, 2026•5 Day Trip

$621 USD

Google Flights

Returning

Tue, Dec 29, 2026•6 Day Trip

$615 USD

Google Flights

Returning

Wed, Dec 30, 2026•7 Day Trip

$632 USD

Google Flights

Returning

Thu, Dec 31, 2026•8 Day Trip

$621 USD

Google Flights

Returning

Fri, Jan 1, 2027•9 Day Trip

$926 USD

Google Flights

Returning

Sat, Jan 2, 2027•10 Day Trip

$926 USD

Google Flights

Returning

Sun, Jan 3, 2027•11 Day Trip

$926 USD

Google Flights

Returning

Mon, Jan 4, 2027•12 Day Trip

$762 USD

Google Flights

Chicago (ORD) to San Juan (SJU) flight deal in economy from $218

O'Hare International Airport

Luis Muñoz Marín International Airport

December 2026

Wednesday, December 23rd, 2026