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Cheap Flights from Chicago to St. Louis from $147

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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.

Mon, Jul 8 - Thu, Jul 11
ORD
Chicago
to
STL
St. Louis
$147

roundtrip

just found

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Wed, Jul 17 - Wed, Jul 24
ORD
Chicago
to
STL
St. Louis
$156

roundtrip

just found

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Wed, Jul 17 - Sat, Jul 27
ORD
Chicago
to
STL
St. Louis
$165

roundtrip

found 2 hours ago

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Wed, Jul 17 - Wed, Jul 24
ORD
Chicago
to
STL
St. Louis
$166

roundtrip

just found

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Sat, Nov 9 - Mon, Nov 18
ORD
Chicago
to
STL
St. Louis
$170

roundtrip

found 1 day ago

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Thu, May 30 - Tue, Jun 4
ORD
Chicago
to
STL
St. Louis
$173

roundtrip

found 1 day ago

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Sat, Jun 1 - Tue, Jun 4
ORD
Chicago
to
STL
St. Louis
$175

roundtrip

found 5 hours ago

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Sun, May 26 - Mon, May 27
ORD
Chicago
to
STL
St. Louis
$176

roundtrip

found 5 hours ago

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Sat, Jul 13 - Sat, Jul 13
ORD
Chicago
to
STL
St. Louis
$181

roundtrip

found 2 days ago

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Fri, Jun 7 - Mon, Jun 10
ORD
Chicago
to
STL
St. Louis
$185

roundtrip

found 2 hours ago

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Mon, Jun 3 - Wed, Jun 5
ORD
Chicago
to
STL
St. Louis
$186

roundtrip

found 5 hours ago

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Thu, Jun 20 - Fri, Jun 21
ORD
Chicago
to
STL
St. Louis
$187

roundtrip

just found

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Fri, Nov 1 - Mon, Nov 4
ORD
Chicago
to
STL
St. Louis
$193

roundtrip

found 4 days ago

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Fri, Jun 7 - Mon, Jun 10
ORD
Chicago
to
STL
St. Louis
$195

roundtrip

found 2 hours ago

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Thu, May 30 - Sat, Jun 1
ORD
Chicago
to
STL
St. Louis
$196

roundtrip

found 1 hour ago

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Tue, Sep 10 - Tue, Sep 10
ORD
Chicago
to
STL
St. Louis
$257

roundtrip

found 1 day ago

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Sun, Aug 11 - Sun, Aug 11
ORD
Chicago
to
STL
St. Louis
$289

roundtrip

found 13 hours ago

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Wed, May 29 - Wed, May 29
ORD
Chicago
to
STL
St. Louis
$300

roundtrip

found 1 hour ago

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Thu, Jun 20 - Fri, Jun 21
ORD
Chicago
to
STL
St. Louis
$312

roundtrip

just found

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Sun, Jun 9 - Sun, Jun 9
ORD
Chicago
to
SUS
St. Louis
$3,526

roundtrip

found 2 days ago

Open ORD to SUS flights search result page

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

MDW-Midway Intl.

$296.00

St. Louis

SUS-Spirit of St. Louis

$3,526.36

Top Routes from Chicago

Top Routes to St. Louis

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.