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Cheap Flights from Chicago Midway (MDW) to St Louis (STL)

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  4. St Louis

Compare Chicago Midway to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

Book the best St Louis fare with no extra fees

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Flight deals from Chicago Midway to St Louis

Looking for a cheap last-minute deal or the best return flight from Chicago Midway to St Louis? Find the lowest prices on one-way and return tickets right here.
St Louis.£133 per passenger.Departing Sat, 16 Aug, returning Sat, 23 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago Midway on Sat, 16 Aug, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 23 Aug, arriving in Chicago Midway.Price includes taxes and charges.From £133, select.
Sat, 16 AugMDW - STL with Frontier Airlines
1 stop
Sat, 23 AugSTL - MDW with Frontier Airlines
1 stop
from £133
St Louis.£133 per passenger.Departing Sat, 12 Jul, returning Sat, 19 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago Midway on Sat, 12 Jul, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 19 Jul, arriving in Chicago Midway.Price includes taxes and charges.From £133, select.
Sat, 12 JulMDW - STL with Frontier Airlines
1 stop
Sat, 19 JulSTL - MDW with Frontier Airlines
1 stop
from £133
St Louis.£134 per passenger.Departing Thu, 18 Sep, returning Sat, 20 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago Midway on Thu, 18 Sep, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 20 Sep, arriving in Chicago Midway.Price includes taxes and charges.From £134, select.
Thu, 18 SepMDW - STL with Frontier Airlines
1 stop
Sat, 20 SepSTL - MDW with Frontier Airlines
1 stop
from £134
St Louis.£136 per passenger.Departing Thu, 4 Sep, returning Fri, 3 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago Midway on Thu, 4 Sep, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 3 Oct, arriving in Chicago Midway.Price includes taxes and charges.From £136, select.
Thu, 4 SepMDW - STL with Frontier Airlines
1 stop
Fri, 3 OctSTL - MDW with Frontier Airlines
1 stop
from £136
St Louis.£147 per passenger.Departing Thu, 12 Jun, returning Sun, 15 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago Midway on Thu, 12 Jun, arriving in St Louis.Inbound indirect flight with Frontier Airlines, departs from St Louis on Sun, 15 Jun, arriving in Chicago Midway.Price includes taxes and charges.From £147, select.
Thu, 12 JunMDW - STL with Frontier Airlines
1 stop
Sun, 15 JunSTL - MDW with Frontier Airlines
1 stop
from £147
St Louis.£177 per passenger.Departing Tue, 1 Jul, returning Tue, 15 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Tue, 1 Jul, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Tue, 15 Jul, arriving in Chicago Midway.Price includes taxes and charges.From £177, select.
Tue, 1 JulMDW - STL with Southwest Airlines
Direct
Tue, 15 JulSTL - MDW with Southwest Airlines
Direct
from £177
St Louis.£179 per passenger.Departing Wed, 6 Aug, returning Wed, 13 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Wed, 6 Aug, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Wed, 13 Aug, arriving in Chicago Midway.Price includes taxes and charges.From £179, select.
Wed, 6 AugMDW - STL with Southwest Airlines
Direct
Wed, 13 AugSTL - MDW with Southwest Airlines
Direct
from £179
St Louis.£192 per passenger.Departing Thu, 18 Sep, returning Sat, 20 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Thu, 18 Sep, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Sat, 20 Sep, arriving in Chicago Midway.Price includes taxes and charges.From £192, select.
Thu, 18 SepMDW - STL with Southwest Airlines
Direct
Sat, 20 SepSTL - MDW with Southwest Airlines
Direct
from £192
How did we find these deals? The deals you see here are the lowest prices for flight tickets from Chicago Midway to St Louis found in the last 4 days, and are subject to change and availability.

The cheapest month to fly from Chicago Midway Airport to St Louis Airport

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the Chicago Midway Airport to St Louis Airport flight prices forecast over the next 12 months.
May
from £497
Jun
from £147
Jul
from £133
Aug
from £133
Sep
from £134
Oct
from £219
Nov
Find prices
Dec
Find prices
Jan
from £256
Feb
Find prices
Mar
Find prices
Apr
Find prices
Cheapest month:July
Most expensive month:May

Direct flights from Chicago Midway to St Louis

Chicago Midway to St Louis: Alternative routes

Compare routes from Chicago Midway to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Chicago to St Louis: Flight information

The things to know before you go.
Cheapest flight found£133
Cheapest month to flyJuly
Average flight time1 hr, 13 mins
Most popular airlineSouthwest Airlines
Average flights per week36

Finding cheap flights from Chicago Midway to St Louis: Frequently asked questions

The best price we found for a return flight from Chicago Midway to St Louis is £133. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 13 minutes is the average flight time from Chicago Midway to St Louis.
Southwest Airlines flies direct from Chicago Midway to St Louis.
As of May 2025, there are 36 flights per week flying from Chicago Midway to St Louis.
The cheapest month to fly from Chicago Midway to St Louis is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago Midway Airport to St Louis Airport on Saturday, 12 July 2025.
Yes – the average flight time is 1 hour and 13 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to St Louis.

Flying from Chicago Midway International Airport (MDW) to Lambert-St. Louis International Airport (STL): what you need to know

  • Book a direct flight from Chicago Midway International Airport to Lambert-St. Louis International Airport and you'll be in the air for an average of 1 hour 10 minutes.

  • St Louis's timezone is UTC-5, which is the same as Chicago.

  • Flights from MDW to STL start at 05:30 — the earliest with Southwest Airlines. The latest departure is at 22:55 with Southwest Airlines. In total, you can choose from 55 weekly Chicago Midway International Airport to Lambert-St. Louis International Airport flights.

  • Leave enough time to catch your MDW to STL flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as July? Public holidays and other high seasons can mean longer lines at airport checkpoints. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.

  • Travelling to St Louis (and then discovering more of United States!) is a cinch with Southwest Airlines. This popular carrier offers direct flights from Chicago Midway International Airport to Lambert-St. Louis International Airport.

  • Southwest Airlines is the most frequently booked airline on this route.

  • Southwest Airlines is the most punctual carrier that offers MDW to STL flights. A reliable 81.4% of its services on this route arrive as planned.

  • Consider adding a stopover when booking your ticket from Chicago Midway International Airport to Lambert-St. Louis International Airport. Just uncheck 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here's where you can stop between MDW and STL:

    • Nashville International Airport

    • Detroit Metropolitan Wayne County Airport

    • Kansas City International Airport

How to find the cheapest flights from Chicago Midway International Airport (MDW) to Lambert-St. Louis International Airport (STL)

  • Currently, £66 is the lowest price we've found for a one-way Chicago Midway International Airport to Lambert-St. Louis International Airport flight. The best price for a return plane ticket is £133. Bear in mind that fares could change due to demand when booking.

  • To pick up cheap tickets from MDW to STL, reserve your trip six months before your departure.

  • The cheapest month for flights from Chicago Midway International Airport to Lambert-St. Louis International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • Never miss a deal on cheap flights from MDW to STL by setting up a Price Alert. You'll receive an email or notification through the app when a lower fare pops up.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Chicago Midway International Airport to Lambert-St. Louis International Airport.

Handy information about Chicago Midway International Airport (MDW)

  • You'll find MDW at 5700 South Cicero.

  • Of the flights that depart from Chicago Midway International Airport, 77.88% land on time at their destination.

  • To get to Chicago Midway International Airport from central Chicago, it'll take about 20 minutes if you're travelling by car. This depends on traffic, however. It's approximately 12 miles from the airport to the city centre.

  • Taking public transport? Expect a journey time of around 45 minutes.

  • Get your holiday off to a hassle-free start by staying near MDW. Whether you're catching an early flight from Chicago Midway International Airport to Lambert-St. Louis International Airport or just don't like being rushed, these hotels are ideal:

    • Holiday Inn Chicago – Midway Airport S

    • Carlton Inn Midway

    • Skylark Motel

Arriving at Lambert-St. Louis International Airport (STL)

  • Consider booking a hotel close to STL if you're taking a late Chicago Midway International Airport to Lambert-St. Louis International Airport flight. Select one of these accommodation options and skip the long transfer:

    • La Quinta Inn by Wyndham St. Louis Hazelwood - Airport North

    • Extended Stay America Select Suites - St Louis - Airport - Central

    • Best Western St. Louis Airport North Hotel Suites

  • Explore without limits with a Lambert-St. Louis International Airport rental car. Pick up your wheels from Hertz, Budget or Alamo and venture far and wide through St Louis and beyond.

  • Booking your vehicle from Lambert-St. Louis International Airport about one week ahead boosts your odds of scoring a great price.

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • The street address for STL is 10701 Lambert International Blvd..

  • Lambert-St. Louis International Airport is approximately 16 miles from the centre of St Louis. The drive time takes about 20 minutes.

  • When travelling by public transport, expect a journey time of about 35 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • It's time to plan your travel dates for your flight from Chicago Midway International Airport to Lambert-St. Louis International Airport. July is the most popular month to head to St Louis. If you like a quieter vibe, go in April.

  • The warmest month in St Louis is July, with the temperature ranging between 17ºC (63ºF) and 33ºC (91ºF). Lock in your flights from Chicago Midway International Airport to Lambert-St. Louis International Airport in this month if this is the type of weather you enjoy.

  • If you like travelling in cooler conditions, look for a cheap ticket from MDW to STL in January. Temperatures average between -8ºC (18ºF) and 7ºC (45ºF) then.

Explore more of United States

  • St Louis is easy to fall in love with, but there are so many other corners of United States just waiting to be explored. About 260 miles north-east of St Louis, a visit to Chicago will keep you on the go. Check out popular attractions like Millennium Park, Art Institute of Chicago and LandShark Beer Garden at Navy Pier.

  • Around 230 miles east of St Louis, Indianapolis is another essential stop in United States. Start your sightseeing at The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

Plan the rest of your trip from Chicago to St Louis

  • Car hire from St Louis
  • Hotels in St Louis

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.

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