$110 Cheap Frontier Airlines flights St. Louis (STL) to Chicago (ORD)

$110 Cheap Frontier Airlines flights St. Louis (STL) to Chicago (ORD)

Prices were available within the past 7 days and start at $110 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flights from St. Louis (STL) to Chicago (ORD)
Origin airport
Lambert-St. Louis Intl.
Destination airport
O'Hare Intl.
Distance
413 km
Average flight time
1 hour 25 mins