MDW - STL

$49 Find Cheap Flights from Chicago Midway Airport to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Midway to St. Louis departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to St. Louis, as well as popular online travel agencies
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Expert advice
Flight Deals

Cheap Flights from Midway to St. Louis (MDW-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Midway to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Midway to St. Louis

Thu, Dec 4 - Mon, Dec 8
Frontier Logo
3:10 pm - 8:59 amMDW-STL
17h 49m1 stop
Frontier Logo
10:47 am - 10:12 pmSTL-MDW
11h 25m1 stop
$150Frontier
Find Deal
Sun, Dec 7 - Thu, Dec 11
Frontier Logo
6:15 am - 9:52 amMDW-STL
27h 37m1 stop
Frontier Logo
12:04 pm - 6:08 pmSTL-MDW
6h 04m1 stop
$152Frontier
Find Deal
Wed, Dec 31 - Tue, Jan 27
Southwest Logo
10:05 am - 4:05 pmMDW-STL
6h 00m1 stop
Southwest Logo
6:50 am - 1:55 pmSTL-MDW
7h 05m2 stops
$159Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8
Southwest Logo
6:20 am - 7:35 amMDW-STL
1h 15mnonstop
Southwest Logo
7:00 am - 8:10 amSTL-MDW
1h 10mnonstop
$171Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8
Southwest Logo
11:25 am - 12:35 pmMDW-STL
1h 10mnonstop
Southwest Logo
8:25 am - 1:35 pmSTL-MDW
5h 10m1 stop
$181Southwest
Find Deal
Mon, Dec 1 - Mon, Dec 8
Frontier Logo
5:47 pm - 11:57 pmMDW-STL
6h 10m1 stop
Frontier Logo
10:47 am - 10:12 pmSTL-MDW
11h 25m1 stop
$190Frontier
Find Deal
Wed, Nov 19 - Thu, Nov 20
Frontier Logo
1:56 pm - 11:01 pmMDW-STL
9h 05m1 stop
Frontier Logo
3:14 pm - 10:43 pmSTL-MDW
7h 29m1 stop
$200Frontier
Find Deal
Sun, Mar 1 - Tue, Mar 3
Delta Logo
6:00 am - 10:50 amMDW-STL
4h 50m1 stop
Delta Logo
6:45 am - 12:35 pmSTL-MDW
5h 50m1 stop
$247Delta
Find Deal
Sat, Nov 22 - Mon, Nov 24
Delta Logo
6:00 am - 10:23 amMDW-STL
4h 23m1 stop
Delta Logo
7:05 am - 11:52 amSTL-MDW
4h 47m1 stop
$258Delta
Find Deal
Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
7:44 am - 10:33 pmMDW-STL
14h 49m2 stops
Multiple Airlines Logo
10:47 am - 10:12 pmSTL-MDW
11h 25m1 stop
$267Multiple Airlines
Find Deal

Everything you should know

Our travelers' advice
AI-generated summary based on content written by travel experts
Midway's compact terminal eases navigation and dining.
Use MetroLink from STL for easy downtown access.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Frontier
Cheapest • from $150 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Cheapest round-trip
$150
Frontier
Thu 12/4Mon 12/8
MDW - STL • 1 stop
Cheapest non-stop
$171
Typical prices: $295-$298
Southwest
Thu 12/4Mon 12/8
MDW - STL • Non-stop
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Booking Insights

KAYAK's insights & trends for Midway to St. Louis flights

Get data-powered insights and trends into flights from Midway to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Chicago Midway Airport to St. Louis?

The average price of all round-trip flights from Chicago Midway Airport to St. Louis clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to St. Louis on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Chicago Midway Airport to St. Louis. For your return ticket, we recommend flying on a Tuesday and avoiding Sundays for the best deals.

Expert advice

Expert advice for your flight from Midway to St. Louis

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
MDW

Midway offers a compact terminal with three concourses, making it easy to navigate and access dining options like Billy Goat Tavern.

Read more about MDWby Stefanie Waldek
STL

Use MetroLink for a convenient ride from STL to downtown St. Louis, avoiding rush hour traffic.

Read more about STLby Yulia Denisyuk
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on MDW

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more

Good to know

Low seasonAugust
Cheapest flight$49
Best time to beat the crowds with an average 65% drop in price.
Most popular time to fly with an average 32% increase in price.
Flight from Chicago Midway Airport to St. Louis

When to book flights from Midway to St. Louis

Are your dates flexible? Find out the best times to travel from Midway to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago Midway Airport to St. Louis flights

  • What is the cheapest flight from Chicago Midway Airport to St. Louis?

    In the last 3 days, the lowest price for a flight from Chicago Midway Airport to St. Louis was $49 for a one-way ticket and $150 for a round-trip.

  • Do I need a passport to fly between Chicago Midway Airport and St. Louis?

    No

  • Which airlines offer Wi-Fi service onboard planes from Chicago Midway Airport to St. Louis?

    American Airlines, JetBlue, and Delta offer inflight Wi-Fi service on the Chicago Midway Airport to St. Louis flight route.

  • Which aircraft models fly most regularly from Chicago Midway Airport to St. Louis?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Chicago Midway Airport to St. Louis flight route.

  • On which days can I fly direct from Chicago Midway Airport to St. Louis?

    There are nonstop flights from Chicago Midway Airport to St. Louis on a daily basis.

  • How does KAYAK find such low prices on flights from Chicago Midway Airport to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago Midway Airport to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago Midway Airport to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Chicago Midway Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago Midway Airport to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Chicago Midway Airport with another airline. Booking your flights between Chicago Midway Airport and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago Midway Airport to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Chicago Midway Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago Midway Airport to St. Louis

  • Looking for a cheap flight? 25% of our users found flights on this route for $143 or less one-way and $278 or less round-trip.

Prefer to fly direct from Chicago Midway Airport to St. Louis?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago Midway to Lambert-St Louis.
Find which airlines fly direct from Chicago Midway Airport to Lambert-St Louis Airport, which days they fly and book direct flights.

Direct departures

Chicago Midway to Lambert-St Louis

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Lambert-St Louis to Chicago Midway

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Reviews of the top airline flying from Midway to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from Chicago to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Midway to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4241 reviews
7.5Entertainment
7.0Food
8.6Crew
8.0Comfort
8.1Boarding
Airline reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

8.0 ExcellentGreg, Oct 2025OAK - BUR
Read more Southwest reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Great flight. Outstanding Service. Southwest was able to put us on a direct flight to Denver when the connection could have been affected by a later arrival to Baltimore. The direct flight was less expensive that the flight with the connection in Baltimore.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

Everything you need to know for your flight from Midway to St. Louis

Information on your arrival and departure airports

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