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

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The best prices from Chicago-O'Hare Intl to Lambert-St Louis Intl are usually found in July or August, booked 60 days in advance, depart on a Tuesday or Saturday and return on a Monday

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

ORD - STL
Price
$106 - $284
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

September

High demand for flights, 21% potential price rise

Cheapest in

July

Best time to find cheap flights, 53% potential price drop

Round-trip from

$106

From Chicago-O'Hare Intl to Lambert-St Louis Intl

One-way from

$70

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

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

Travelers have found that booking a Monday departure is the best way to save up to 16% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Find a great deal and save up to 33% by booking at least 61 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 to Lambert-St Louis Intl within the next two weeks, with the cheapest ticket starting at $143.

What is the cheapest month to fly from Chicago-O'Hare Intl to Lambert-St Louis Intl?

Our data shows that June tends to be the cheapest month to fly to Lambert-St Louis Intl from Chicago-O'Hare Intl. Users have commonly found prices around $148 for the month, but tickets can be as low as $77. Due to multiple factors, prepare for potentially higher prices in July.

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

It’s typically best to fly out from Chicago-O'Hare Intl to Lambert-St Louis Intl at noon. Doing so could potentially save you 9% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Chicago-O'Hare Intl to Lambert-St Louis Intl in February, March 2021

8 Mar - 10 Mar
$110pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
23 Mar - 29 Mar
$119pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
25 Mar - 25 Mar
$133pp
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

Chicago-O'Hare Intl to Lambert-St Louis Intl 2021 flight deals

22 Apr - 6 May
$90pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
6 Apr - 8 Apr
$110pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
7 Apr - 11 Apr
$115pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

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

22 Apr - 6 May
$133pp
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
25 Mar - 28 Mar
$153pp
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
12 Mar - 19 Mar
$173pp
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

Last minute flights from Chicago-O'Hare Intl to Lambert-St Louis Intl

3 Mar - 10 Mar
$136pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
2 Mar - 3 Mar
$138pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
3 Mar - 10 Mar
$146pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl

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

4:21 pm - 3:51 pm
Frontier
2 Stops
23h 30m
ORD - STL
Frontier
$70
Gotogate
3:45 am - 5:12 am
Major Airline
Nonstop
1h 27m
ORD - STL
Major Airline
$79
StudentUniverse
2:00 pm - 11:10 am
Air Choice One
1 Stop
21h 10m
ORD - STL
Air Choice One
$83
Kiwi.com

Related info for your journey

Flight FAQs

From Chicago-O'Hare Intl to Lambert-St Louis Intl

Are flight prices decreasing from Chicago-O'Hare Intl to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago-O'Hare Intl and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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 Cape Air. 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 to Lambert-St Louis Intl for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago-O'Hare Intl to Lambert-St Louis Intl for under $100. The cheapest flight booked recently is on Frontier for just $90, but on average you can expect to pay $134.

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

Cheapflights has at least 8 direct flights from Chicago-O'Hare Intl to Lambert-St Louis Intl under $200. A good price for a nonstop flight from Chicago-O'Hare Intl to Lambert-St Louis Intl is less than $228.

Are there last-minute flights available from Chicago-O'Hare Intl to Lambert-St Louis Intl for under $200?

There are currently 20+ open flights from Chicago-O'Hare Intl to Lambert-St Louis Intl within the next 7 days for less than $200.

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

Days when nonstop flights are available for this flight are: Thursday, Friday, Saturday.

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

On average, you can expect to see 4 flights from Chicago O'Hare Intl to Lambert-St Louis a day.
Morning (6am - Noon) - 50% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

Does it rain more in Chicago-O'Hare Intl or St Louis?

Expected rainfall in Chicago-O'Hare Intl is more than in St Louis. You can expect this to be the case over the next 11 days.

Is Chicago-O'Hare Intl weather warmer or cooler than St Louis?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in St Louis are hotter than in Chicago-O'Hare Intl.

How long is the flight from Chicago-O'Hare Intl to Lambert-St Louis Intl?

Departing from Chicago-O'Hare Intl to Lambert-St Louis Intl will take you 1h 18m. There are 259 mi between Chicago-O'Hare Intl and Lambert-St Louis Intl. This flight may include one or multiple stops.

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

Currently priced at $90, Frontier will fly you from Chicago-O'Hare Intl to Lambert-St Louis Intl and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $133 and $155, respectively. Frontier is priced at 59% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airlines for a one-way flight from Chicago-O'Hare Intl to Lambert-St Louis Intl are Frontier ($45), Major Airline ($60), and Air Choice One ($74).

Alternative routes for Chicago-O'Hare Intl to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Flight duration
1h 26m
Average temperature for February in Lambert-St Louis Intl
48.2 °F
Avg rainfall for February in Lambert-St Louis Intl
2.2 ″

Airports servicing Chicago

Airports servicing St. Louis

Top 3 airlines flying from Chicago-O'Hare Intl to Lambert-St Louis Intl

Airline Cheapest Average Flexibility On-time COVID-19 safety
Cape Air
$78 $154 No cancel fee 63%

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

American Airlines
$145 $329 No cancel fee 71%
United Airlines
$145 $371 No cancel fee 69%

Hourly flight availability from Chicago-O'Hare Intl to Lambert-St Louis Intl

Afternoon Noon to 6 PM 52% of ORD to STL departures
Morning 6 AM to noon 25% of ORD to STL departures
Evening 6 PM to midnight 22% 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 Chicago-O'Hare Intl to Lambert-St Louis Intl
Sunday
22 daily flights
Monday
28 daily flights
Tuesday
21 daily flights
Wednesday
24 daily flights
Thursday
29 daily flights
Friday
27 daily flights
Saturday
16 daily flights
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