Cheap Flight Tickets from Chicago (MDW) to St Louis (STL), Starting at $439

Good to Know: Cheapest and Fastest MDW - STL Flights

Useful information for finding best airline tickets from Chicago Midway International to Lambert St Louis International on your next trip.

Cheapest Round Trip Flight

$548

WN Southwest Airlines • 1 stop • 5h 25m

Aug 29 – Aug 31

The cheapest round trip flight from Chicago to St Louis (MDW-STL-MDW) is currently $548

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Cheapest Direct Flight

$439

UA United Airlines • nonstop • 2h 9m

Aug 28

The cheapest nonstop flight from Chicago to St Louis (MDW-STL) is currently $439

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Fastest Flight

1h 50m

The fastest nonstop flight from Chicago to St Louis (MDW-STL) takes 1h 50m

Top Airlines Flying from Chicago to St Louis

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Chicago (MDW) to St Louis (STL)

Compare and book low fare round-trip air tickets from Chicago to St Louis. Ideal for travelers with confirmed return itineraries.

Aug 29 - Aug 31, Economy
WN
Chicago → St Louis
5h 25m
12:00 PM - 3:25 PM • 1 stop
WN
Chicago → St Louis
1h 45m
8:50 PM - 9:55 PM • nonstop
$548
Southwest Airlines
Aug 29 - Aug 31, Economy
WN
Chicago → St Louis
1h 55m
6:15 PM - 7:30 PM • nonstop
WN
Chicago → St Louis
5h 25m
10:40 AM - 2:05 PM • 1 stop
$548
Southwest Airlines
Aug 29 - Aug 31, Economy
WN
Chicago → St Louis
7h 35m
7:40 AM - 12:35 PM • 1 stop
WN
Chicago → St Louis
5h 45m
8:35 AM - 12:20 PM • 1 stop
$557
Southwest Airlines
Aug 29 - Aug 31, Economy
WN
Chicago → St Louis
9h 5m
7:45 AM - 1:30 PM • 1 stop
WN
Chicago → St Louis
5h 25m
10:40 AM - 2:05 PM • 1 stop
$557
Southwest Airlines
Aug 29 - Aug 31, Economy
WN
Chicago → St Louis
7h 5m
11:00 AM - 3:25 PM • 1 stop
WN
Chicago → St Louis
7h 20m
6:40 PM - 11:20 PM • 1 stop
$557
Southwest Airlines
Aug 29 - Aug 31, Economy
WN
Chicago → St Louis
7h 35m
3:45 PM - 8:40 PM • 1 stop
WN
Chicago → St Louis
6h 55m
3:15 PM - 7:30 PM • 1 stop
$557
Southwest Airlines

Fly from Chicago to St Louis with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Chicago to St Louis Flights

What are the airports in Chicago?
ORD,MDW
What’s the most popular airline flying from MDW to STL?
The most popular airline flying from Chicago to St Louis are
Can I fly from MDW to STL non-stop?
Yes, you can fly MDW to STL non-stop on
Which airlines fly nonstop between Chicago and St Louis?
The non-stop flights between Chicago and St Louis are .
What’s the earliest departure time from MDW to STL Airport?
The earliest flight leaves MDW at 6:35 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Chicago to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from MDW to STL?
Read the fare rules of the Chicago to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Chicago and St Louis?
operate flights between Chicago and St Louis
How long does a flight from Chicago to St Louis take?
It takes approximately 1 hour to fly non-stop from MDW to STL, which is 251.08 miles by air.
Which airlines provide the cheapest flights from Chicago (MDW) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from MDW were found on WN : USD 557
Do I need a passport to fly between MDW and STL?
No
What’s the latest departure time from MDW to STL ?
The last flight leaves MDW at 9:30 pm

Chicago (MDW) to St Louis (STL): Airport Information

Origin Airport Chicago Midway International , Chicago, US
Destination Airport Lambert St Louis International , St Louis, US
Distance 251 miles

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