Las Vegas (LAS) to Chicago (ORD) flight deal from $54 USD in economy class

F9Frontier Airlines

Round Trip•Economy

LAS

Harry Reid International Airport

Las Vegas, United States

ORD

O'Hare International Airport

Chicago, United States

$274 USD

-80%$54 USD

Verified Oct 31, 2025 at 7:44 PM

December 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1$202 2$168 3$92 4$126 5$88 6$172 7$134 8$122 9$134 10$176 11$168 12$122 13$168 14$174 15$146 16$160 17$178 18$130 19$274 20$238 21$127 22$198 23$106 24$168 25$98 26$235 27$235 28$179 29$168 30$100 31$168 1 2 3 4

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Tuesday, December 9th, 2025

8 round-trip options

Returning

Sun, Dec 14, 2025•5 Day Trip

$134 USD

Google Flights

Returning

Mon, Dec 15, 2025•6 Day Trip

$146 USD

Google Flights

Returning

Thu, Dec 18, 2025•9 Day Trip

$196 USD

Google Flights

Returning

Fri, Dec 19, 2025•10 Day Trip

$304 USD

Google Flights

Returning

Sat, Dec 20, 2025•11 Day Trip

$274 USD

Google Flights

Returning

Sun, Dec 21, 2025•12 Day Trip

$168 USD

Google Flights

Returning

Mon, Dec 22, 2025•13 Day Trip

$274 USD

Google Flights

Returning

Tue, Dec 23, 2025•14 Day Trip

$178 USD

Google Flights