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Cheap flights from Chicago to Lambert-St Louis Intl (CHI - STL)

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The best prices from Chicago to Lambert-St Louis Intl are usually found in February or May, booked 48 days in advance, depart on a Saturday or Wednesday and return on a Monday

How to find the cheapest flight from
Chicago (CHI) to Lambert-St Louis Intl (STL)

CHI - STL
Price
$191 - $297
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

January

High demand for flights, 10% potential price rise

Cheapest in

February

Best time to find cheap flights, 28% potential price drop

Round-trip from

$191

From Chicago to Lambert-St Louis Intl

One-way from

$112

One-way flight from Chicago 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 to Lambert-St Louis Intl?

Departing on a Friday is a good option for securing a great price. You can expect to save up to 17% when planning your travel around this day of the week.

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

Travelers have found it’s best to book a flight 61 days in advance to save up to 27% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago to Lambert-St Louis Intl 1-2 weeks in advance for as low as $164, or $181 for flights within the next 24 hours.

When is the cheapest time to fly from Chicago to Lambert-St Louis Intl (CHI - STL)?

It’s optimal to fly from Chicago to Lambert-St Louis Intl at noon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Chicago to Lambert-St Louis Intl in October, November 2020

The best prices found for CHI to STL flights for October, November
9 Nov - 11 Nov
$77pp
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
8 Nov - 10 Nov
$87pp
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
5 Nov - 11 Nov
$88pp
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 to Lambert-St Louis Intl 2020 flight deals

Cheap flights to Lambert-St Louis Intl from Chicago found for this year
9 Nov - 11 Nov
$77pp
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
8 Nov - 10 Nov
$87pp
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
5 Nov - 11 Nov
$88pp
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

Non-stop flights to Lambert-St Louis Intl from Chicago

Save time with Chicago to Lambert-St Louis Intl direct flight deals
9 Nov - 11 Nov
$77pp
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
8 Nov - 10 Nov
$87pp
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
5 Nov - 11 Nov
$88pp
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 Chicago to Lambert-St Louis Intl

Late deals on round-trip flights to Lambert-St Louis Intl from Chicago, departing today and this week
26 Oct - 27 Oct
$132pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 Oct - 1 Nov
$149pp
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
24 Oct - 26 Oct
$153pp
ORD
Chicago O'Hare Intl
Air Choice One
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Air Choice One
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Lambert-St Louis Intl from Chicago

The cheapest one-way flights from Chicago to Lambert-St Louis Intl
3:00 pm - 4:00 pm
Air Choice One
2 Stops
25h 00m
ORD - STL
Air Choice One
$112
Kiwi.com
5:10 am - 6:30 am
United Airlines
Nonstop
1h 20m
ORD - STL
United Airlines
$143
United
2:15 am - 10:22 am
Delta
1 Stop
8h 07m
MDW - STL
Delta
$149
Delta

Related info for your journey

Useful info, stats and facts about Chicago to Lambert-St Louis Intl flights.

Flight FAQs

From Chicago to Lambert-St Louis Intl

Are flight prices decreasing from Chicago 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 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.

What safety measures are being taken by airlines flying from Chicago to Lambert-St Louis to control the spread of COVID-19?

New policies can now be found on Delta and Southwest to help keep travelers safe while flying. New policies for travelers booking flights from Chicago to Lambert-St Louis include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Cape Air flying from Chicago to Lambert-St Louis have implemented new flexible cancellation policies.

Can I find flights from Chicago to Lambert-St Louis Intl for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago to Lambert-St Louis Intl for under $100. The cheapest flight booked recently is on American Airlines for just $77, but on average you can expect to pay $103.

Are there nonstop flights from Chicago to Lambert-St Louis Intl for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to Lambert-St Louis Intl under $100. A good price for a nonstop flight from Chicago to Lambert-St Louis Intl is less than $178.

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

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

What days are nonstop flights available from Chicago to St Louis?

Nonstop flights are available for this route on the following days: Tuesday, Saturday.

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

Travelers can expect 3 flights from Chicago to Lambert-St Louis on average per day.
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 67% of flight departures

Is Chicago weather warmer or cooler than St Louis?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in St Louis is typically hotter than in Chicago. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

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

American Airlines, United Airlines, and Linear Air Taxi can get you from Chicago to Lambert-St Louis Intl in just under 1h 06m. Your travel time will be generally consistent. The distance between Chicago and Lambert-St Louis Intl is about 259 mi. Most flights are nonstop.

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

Our cheapest airline available from Chicago to Lambert-St Louis Intl is American Airlines. Our recent data shows that you can find tickets from as low as $77 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $87 and $98 round-trip. These flights start at 71% lower than the current average price 3 months from now.

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

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Chicago to Lambert-St Louis Intl for a low price.

Alternative routes for Chicago to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Things to know before you go. Useful info for your trip from Chicago to Lambert-St Louis Intl
Flight duration
1h 16m
Average temperature for October in Lambert-St Louis Intl
71.6 °F
Avg rainfall for October in Lambert-St Louis Intl
2.8 ″

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Airports servicing St. Louis

Hourly flight availability from Chicago to Lambert-St Louis Intl

Afternoon Noon to 6 PM 47% of CHI to STL departures
Morning 6 AM to noon 29% of CHI to STL departures
Evening 6 PM to midnight 23% of CHI to STL departures
Early morning Midnight to 6 AM 1% of CHI to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Chicago to Lambert-St Louis Intl
Sunday
34 daily flights
Monday
43 daily flights
Tuesday
30 daily flights
Wednesday
18 daily flights
Thursday
40 daily flights
Friday
44 daily flights
Saturday
31 daily flights
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