Cheap flights from St. Louis (STL) to Chicago (CHI) from $74

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 30% on the overall cost on flights from St. Louis to Chicago.

Users have found that booking a flight from St. Louis to Chicago at least 34 days early can save you up to 50% on average compared to booking a flight this week. If booking 34 days before your flight isn’t an option for you, users have found flights from St. Louis to Chicago for as little as $313 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $393 for flights departing within the next 3 days.

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Chicago. Flights to Chicago from St. Louis in February are about $273 on average during February, but can be found for as low as $161.

It’s optimal to fly from St. Louis to Chicago in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight at noon.

If you book a flight to Chicago from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 53 flights from Lambert-St Louis to Chicago per day from 5 different airlines.

Some of the carriers operating flights from Lambert-St Louis to Chicago that may be offering flexible cancellation policies are American Airlines, United Airlines, and Southern / Mokulele. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Yes, there are multiple flights from St. Louis to Chicago for under $200. The cheapest flight booked recently is on Southern / Mokulele for just $149, but on average you can expect to pay $160.

Cheapflights has at least 20 direct flights from St. Louis to Chicago under $200. A good price for a nonstop flight from St. Louis to Chicago is less than $268.

There are currently 20+ open flights from St. Louis to Chicago within the next 7 days for less than $200.

Nonstop flights can be found on the following days: Thursday.

Per day, 2 flights depart from St. Louis to Chicago on average.
Early Morning (Midnight to 6am) - 50% of flight departures
Morning (6am - Noon) - 50% of flight departures

Departing from St. Louis to Chicago will take you 1h 23m. The distance between St. Louis and Chicago is about 259 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

Cheapflights users have booked flights from St. Louis to Chicago round-trip from $149. Other airlines that can offer you cheap pricing are American Airlines, from $182, and United Airlines, from $189. These flights start at 45% lower than the current average price 3 months from now.

To fly one-way, consider booking your trip with Southern / Mokulele, which is currently one of the cheapest options available, starting at $74. American Airlines flights start at $87 while deals on Frontier start at $110 one-way.

The most popular airlines flying from St. Louis to Chicago are Southern / Mokulele, American Airlines and United Airlines. Something to consider prior to booking your flight.

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Chicago on time: Sun Country Air (100%), GoJet (90%), Air Canada (90%).

The cheapest flight price from St. Louis to Chicago is $130. On average you can expect to pay $1,945. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $148.

STL stands for Lambert-St Louis Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are other airports near this flight route and their unique identifiers/IATA codes.