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  1. Flights
  2. United States
  3. St Louis, MO
  4. Chicago - St Louis, MO

Cheap Flights from Chicago (CHI) to St Louis, MO (STL)

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Discover the cheapest flights from Chicago to St Louis, MO
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Sat, Feb 21 - Sat, Feb 21
American Airlines
American AirlinesDirect
CHI - STL
American Airlines
American AirlinesDirect
STL - CHI
103$
96$
Prime price per passenger
Sat, Jan 17 - Sun, Jan 18
American Airlines
American AirlinesDirect
CHI - STL
American Airlines
American AirlinesDirect
STL - CHI
99$
97$
Prime price per passenger
Sat, Feb 14 - Sun, Feb 15
American Airlines
American AirlinesDirect
CHI - STL
American Airlines
American AirlinesDirect
STL - CHI
107$
97$
Prime price per passenger
Tue, Jan 6 - Tue, Jan 13
American Airlines
American AirlinesDirect
CHI - STL
American Airlines
American AirlinesDirect
STL - CHI
120$
115$
Prime price per passenger
Thu, Dec 25 - Thu, Jan 1
American Airlines
American AirlinesDirect
CHI - STL
Frontier Airlines
Frontier Airlines1 stop
STL - CHI
142$
130$
Prime price per passenger
Sat, Jan 31 - Sat, Jan 31
American Airlines
American AirlinesDirect
CHI - STL
American Airlines
American AirlinesDirect
STL - CHI
195$
183$
Prime price per passenger
Sat, Jan 17
American Airlines
American AirlinesDirect
CHI - STL
-12 %
52$
46$
Prime price per passenger
Sat, Feb 14
American Airlines
American AirlinesDirect
CHI - STL
-17 %
55$
46$
Prime price per passenger
Wed, Feb 18
American Airlines
American AirlinesDirect
CHI - STL
-17 %
55$
46$
Prime price per passenger
Wed, Jan 7
American Airlines
American AirlinesDirect
CHI - STL
-19 %
56$
46$
Prime price per passenger
Wed, Jan 28
American Airlines
American AirlinesDirect
CHI - STL
-19 %
56$
46$
Prime price per passenger
Wed, Dec 31
American Airlines
American AirlinesDirect
CHI - STL
-18 %
59$
49$
Prime price per passenger
Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Cheapest time to fly from Chicago to St Louis, MO

Flexible with dates? We find the best price for the week of the day you select *Prices may vary after you search.
Filter by
week: Jan 12 - Jan 18
Flights from just $178
$275
$255
$254
$225
$208
$178
$222
$212
$219
$196
$198
$221
DecemberJanuaryFebruary
Flying Time1 h and 38 mWhen flying from Chicago to St Louis, MO, this can take around 1 h and 38 m in flying time, however this flight duration can vary due to other factors
Cheapest flight$45The best price for flights from Chicago to St Louis, MO offered by eDreams, which have been found by our customers in the last 3 days
Departure AirportO'hare International AirportO'hare International Airport is where you'll take off when flying from Chicago to St Louis, MO
Arrival AirportLambert-St Louis InternatlYou'll land at Lambert-St Louis Internatl when flying from Chicago to St Louis, MO
Peak seasonFebruaryFebruary is the busiest time to fly from Chicago to St Louis, MO according to search data results from our customers
Airlines operating this routeAmerican AirlinesAirline(s) that fly from Chicago to St Louis, MO
Best time to bookFebruaryFebruary is one of the most frequent times to fly to St Louis, MO from Chicago according to real data from our customers
Distance: 257 miles
Chicago airports
O'hare International Airport (ORD)How far from city center: 14 miles
Midway Airport (MDW)How far from city center: 4 miles
St Louis, MO airports
Lambert-St Louis Internatl (STL)How far from city center: 12 miles

Are you planning to travel to St Louis, MO for vacations, business or family visits? eDreams offers you the cheapest flights and best deals departing from Chicago. With our fast search engine you will get a large selection of airfares from standard and low cost airlines worldwide and easily book your tickets for this route. If you are flexible we help you identify the cheapest day to fly to St Louis, MO and if you need to leave soon you can check our most convenient last minute fares. Read all the useful information about your next destination and proceed to the reservation, indicating your flight dates and completing your travel booking with hotels and car rental!

Frequently asked questions about flights from Chicago to St Louis, MO

What are the benefits of booking flexible flight tickets?
Using the flexible flight ticket, you're guaranteed a refund or a rebooking option (without fees) in case of flight cancellations when travelling to United States. At eDreams have you covered!
For flights from Chicago to St Louis, MO, how can I find the cheapest price?
The cheapest price for a flight from Chicago to St Louis, MO is $46. At eDreams we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When booking, when is the best time to get the best prices for flights from Chicago to St Louis, MO?
The most popular months to book a trip from Chicago to St Louis, MO are February, June and May, based on the searches of our customers.
When is the best time to travel from Chicago to St Louis, MO?
The best time of the year to visit St Louis, MO depends on lots of personal preferences, especially the price. Regarding popularity, February is the best month to fly to St Louis, MO from Chicago in terms of searches from our customers, followed by March and June. If you prefer to avoid the busy season and get away from the crowds December, November and January are the months with fewer searches for Chicago - St Louis, MO.
How long does the flight from Chicago to St Louis, MO take?
Flight length from Chicago to St Louis, MO is around 01:38 hours on average, at an average distance of 416 km, for flights for the route (which may have 1 or more stops in other cities in between).
Which airports have flights between Chicago and St Louis, MO?
The main route from Chicago to St Louis, MO is: O'hare International Airport (ORD) to Lambert-St Louis Internatl (STL). The following airlines fly this route:
Southern Airways Express.
American Airlines.

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