Cheap flights from O'Hare Intl to St. Louis (ORD - STL)

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How to find the cheapest flight from
O'Hare Intl (ORD) to St. Louis (STL)

All the information you need to plan the best ORD to STL flight in 2022: compare O'Hare Intl to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
ORD - STL
Price
$175 - $263
STL
Temperature
32 - 80.6 °F
STL
Rainfall
2.2 - 4.7 inches

Popular in

May

High demand for flights, 18% potential price rise

Cheapest in

September

Best time to find cheap flights, 19% potential price drop

Round-trip from

$175

From Chicago O'Hare Intl to Lambert-St Louis

One-way from

$108

One-way flight from Chicago O'Hare Intl to Lambert-St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Chicago O'Hare Intl Airport to St. Louis?

Our data shows that October tends to be the cheapest month to fly to St. Louis from Chicago O'Hare Intl Airport. Users have commonly found prices around $211 for the month, but tickets can be as low as $142. Due to multiple factors, prepare for potentially higher prices in April.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to St. Louis?

Find a great deal and save up to 48% by booking at least 25 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago O'Hare Intl Airport to St. Louis within the next two weeks, with the cheapest ticket starting at $227.

When is the cheapest time to fly from Chicago O'Hare Intl Airport to St. Louis (ORD - STL)?

When flying from Chicago O'Hare Intl Airport to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from O'Hare Intl to St. Louis in June, July 2022

The best prices found for ORD to STL flights for June, July
25 Jul - 26 Jul
$245pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
25 Jul - 26 Jul
$247pp
ORD
Chicago O'Hare Intl
Cape Air
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Cape Air
 
1 STOP
ORD
Chicago O'Hare Intl
28 Jun - 29 Jun
$248pp
ORD
Chicago O'Hare Intl
Cape Air
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Cape Air
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago O'Hare Intl to St. Louis 2022 flight deals

Cheap flights to St. Louis from O'Hare Intl found for this year
19 Aug - 20 Aug
$198pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
19 Aug - 20 Aug
$205pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
3 Oct - 12 Oct
$207pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to St. Louis from O'Hare Intl

Save time with O'Hare Intl to St. Louis direct flight deals
19 Aug - 20 Aug
$198pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
19 Dec - 21 Dec
$219pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
18 Aug - 21 Aug
$229pp
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from O'Hare Intl to St. Louis

Late deals on round-trip flights to St. Louis from O'Hare Intl, departing today and this week
6 Jul - 9 Jul
$260pp
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
6 Jul - 7 Jul
$266pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Cape Air
 
1 STOP
ORD
Chicago O'Hare Intl
3 Jul - 10 Jul
$267pp
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl

One-way flights to Lambert-St Louis from Chicago O'Hare Intl

The cheapest one-way flights from O'Hare Intl to St. Louis
1:42 pm - 7:41 pm
Delta
1 Stop
5h 59m
ORD - STL
Delta
$108
Delta
12:01 pm - 1:30 pm
United Airlines
Nonstop
1h 29m
ORD - STL
United Airlines
$120
United
1:05 am - 7:58 am
Spirit Airlines
2 Stops
30h 53m
ORD - STL
Spirit Airlines
$148
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">O'Hare Intl</span> to <span class="emphasized">St. Louis</span> flights.

Flight FAQs

From O'Hare Intl to St. Louis

What airport do you fly into for flights to St. Louis from Chicago O'Hare Intl?

Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Chicago O'Hare Intl. On average, Lambert-St Louis has 39 inbound flights from Chicago O'Hare Intl per day from 8 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Which airlines flying from Chicago O'Hare Intl to Lambert-St Louis have flexible cancellations due to COVID-19?

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

Can I find flights from Chicago O'Hare Intl Airport to St. Louis for under $200 on Cheapflights?

Yes, there are multiple flights from Chicago O'Hare Intl Airport to St. Louis for under $200. The cheapest flight booked recently is on American Airlines for just $198, but on average you can expect to pay $225.

Are there nonstop flights from Chicago O'Hare Intl Airport to St. Louis for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago O'Hare Intl Airport to St. Louis under $200. A good price for a nonstop flight from Chicago O'Hare Intl Airport to St. Louis is less than $273.

Are there last-minute flights available from Chicago O'Hare Intl Airport to St. Louis for under $300?

There are currently 20+ open flights from Chicago O'Hare Intl Airport to St. Louis within the next 7 days for less than $300.

What days are nonstop flights available from Chicago O'Hare Intl Airport to St. Louis?

You can find nonstop flights on the following days: Tuesday, Wednesday, Thursday, Saturday.

How many flights depart from Chicago O'Hare Intl Airport to St. Louis on average per day?

25 flight departures from Chicago O'Hare Intl Airport to St. Louis per day on average.
Morning (6am - Noon) - 20% of flight departures
Afternoon (Noon - 6pm) - 68% of flight departures
Evening (6pm - Midnight) - 12% of flight departures

How long is the flight from Chicago O'Hare Intl Airport to St. Louis?

American Airlines, Delta, and United Airlines can get you from Chicago O'Hare Intl Airport to St. Louis in just under 1h 08m. Your travel time can differ by up to 5h 08m. Airlines will cover a distance of 259 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to St. Louis round-trip?

Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at $198. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $216 and $240, respectively. American Airlines is 8% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to St. Louis one-way?

$99 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $108 and $120, respectively.

What are the most popular airlines that fly from Chicago O'Hare Intl Airport to St. Louis?

Before booking your flight from Chicago O'Hare Intl Airport to St. Louis check out the most popular airlines for this route: Train, Bus or Major Airline.

What are the cheapest flights from Chicago O'Hare Intl Airport to St. Louis?

While on average a flight from Chicago O'Hare Intl Airport to St. Louis is generally $287, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Chicago O'Hare Intl - Lambert-St Louis), you can expect to pay $207 for that flight.

What are the most reliable airlines from Chicago O'Hare Intl Airport to St. Louis?

Before booking your flight to St. Louis from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: GoJet (89%), Envoy Air (88%), Finnair( 87%).

Related searches

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COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

Do I need a COVID test to fly to St. Louis from O'Hare Intl?

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from Chicago O'Hare Intl need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Chicago O'Hare Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Lambert-St Louis.

Quarantine requirements
Visitors from Chicago O'Hare Intl are not required to quarantine after entering Lambert-St Louis.

Do I need a test to fly back to O'Hare Intl from St. Louis?

Returning to Chicago O'Hare Intl from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis are not required to present a negative COVID-19 PCR test or antigen result upon entering Chicago O'Hare Intl.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Chicago O'Hare Intl.

Hide COVID Travel Restrictions for St. Louis, MO

Alternative routes for O'Hare Intl to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for St. Louis

Things to know before you go - useful duration and weather info for your trip from O'Hare Intl to St. Louis.
Flight duration from Chicago O'Hare Intl to STL
1h 22m
Average temperature for June in St. Louis
86.0 °F
Avg rainfall for June in St. Louis
4.1 ″

Airports servicing Chicago

Airports servicing St. Louis

Top 4 airlines flying from Chicago O'Hare Intl to Lambert-St Louis

The chart below displays the airlines Cheapflights users traveling from O'Hare Intl to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$12 $22 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Frontier
$39 $76 No cancel fee 62%
American Airlines
$107 $272 No cancel fee 71%
United Airlines
$119 $239 No cancel fee 69%

Hourly flight availability from O'Hare Intl to St. Louis

See what time of day planes typically take off from O'Hare Intl towards St. Louis.
Afternoon Noon to 6 PM 59% of ORD to STL departures
Evening 6 PM to midnight 24% of ORD to STL departures
Morning 6 AM to noon 16% of ORD to STL departures
Early morning Midnight to 6 AM 1% of ORD to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from O'Hare Intl to St. Louis
See how many times per day planes take to the skies headed from O'Hare Intl to St. Louis.
Sunday
23 daily flights
Monday
49 daily flights
Tuesday
47 daily flights
Wednesday
45 daily flights
Thursday
50 daily flights
Friday
38 daily flights
Saturday
24 daily flights
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