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Cheap ORD to STL Flights

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

Chicago to St. Louis route information

Origin Airport O'Hare Intl.
Destination Airport Lambert-St. Louis Intl.
Airlines Serving Air Choice One, American Airlines, Cape Air, Delta, United
Flight Price $147
Distance 258 mi

Chicago

$296.00

St. Louis

$3,526.36

Cheap ORD to STL Flights

  • Question : How long is the flight from ORD to STL?
    Answer : American Airlines currently holds the fastest travel time with one hour and six minutes. For example, you would arrive in Saint Louis at 10:56 PM CDT if you left Chicago at 9:50 PM CDT.
  • Question : What is the cheapest day to fly to Saint Louis?
    Answer : As of May 20th, the cheapest day to fly from Chicago to Saint Louis is Jun 2nd. Tickets are presently $141, 42% below the average price for this route.
  • Question : Which airline has the least delays from Chicago to Saint Louis?
    Answer : Booking with UPS means you will arrive to Saint Louis approximately the time you were supposed to. In fact, this timely airline has a 100% on-time average.
  • Question : What is the cheapest day to fly?
    Answer : The cheapest day to fly from Chicago to Saint Louis is on Thursday. If you are trying to save a bit of cash on your next holiday look for flights on that day.
  • Question : Can I change the date of my flight?
    Answer : You sure can and you may save yourself some money by changing when you take off. The cheapest day to fly in June is Thursday. You might think you're missing out leaving a day earlier, but we see it as just adding those savings towards your next trip.
  • Question : How many flights are there per day from Chicago to Saint Louis?
    Answer : The number of flight times varies by day of the week, but on average, ORD to STL sees 32 different choices. That is higher than the national average of nine.
  • Question : What is the cheapest airline flying from Chicago to Saint Louis?
    Answer : Cape Air is your best flying friend for finding that sought-after low fare. They offer fares as low as $141, while rates for other flights can cost as much as $1,042.