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Cheap Flights from Chicago to St. Louis $198.2

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Cheapest Flights from Chicago to St. Louis (ORD to STL)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Chicago to St. Louis (ORD to STL)

Question : Will you do what it takes to get the absolute lowest-cost flight?
Answer : Tuesday is your lowest-cost day to fly in the month of May. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : Best case scenario, how quickly can someone get from ORD to STL?
Answer : The quickest direct flight is one hour and seven minutes via American Airlines. If you catch the 8:00 PM CDT departure, you'll arrive at 9:07 PM CDT.

Question : Do travelers from Chicago typically stay in Saint Louis for very long?
Answer : Over the next two months, passengers from ORD to STL are planning on staying for four days on average.

Question : About how long is the flight from Chicago to Saint Louis?
Answer : Flying from ORD to STL typically takes about one hour and 15 minutes.

Question : Is there a preferred airline for getting to Lambert-St. Louis International Airport (STL) on schedule?
Answer : ExpressJet holds the best record for flights from ORD to STL with an 83% on-time rate. If they are delayed for some reason, expect it to be a 20-minute delay, as that’s the average.

Question : What is the cheapest round-trip ticket you can get to Saint Louis?
Answer : Ticket costs are hitting as high as $538 over the next three months when flying to STL from ORD. Check out Air Choice One, as they have been booking customers at just $198.

Question : What day of the week has the most flight time options?
Answer : With 19 total flight time options, Sunday provides the most flexibility from ORD to STL. Saturday currently offers the least amount of flight times with 14 options.