STL - MDW

$49 Find Cheap Flights from St. Louis to Chicago Midway Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Midway departing on 9/7. 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

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Everything you should know

Cheapest round-trip
$117
Typical prices: $237-$561
Southwest
Thu 8/20Mon 8/24
STL - MDW • Non-stop
Cheapest one-way
$49
Typical prices: $148-$398
Southwest
Mon 9/7
STL - MDW • Non-stop
Nonstop flights
Every day
You can fly direct with Southwest. Average duration is 1h 05m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
+1
When to travel
December
Cheapest • 100% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to Midway!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Midway 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 St. Louis to Midway

Thu, Aug 20 - Mon, Aug 24
Southwest Logo
6:15 pm - 7:20 pm
STL
-
MDW
1h 05mnonstop
Southwest Logo
7:55 am - 9:15 am
MDW
-
STL
1h 20mnonstop
$117Southwest
Tue, Aug 25 - Thu, Aug 27
Southwest Logo
8:45 pm - 9:50 pm
STL
-
MDW
1h 05mnonstop
Southwest Logo
7:55 am - 9:15 am
MDW
-
STL
1h 20mnonstop
$117Southwest
Wed, Aug 26 - Wed, Sep 2
Southwest Logo
6:30 am - 7:35 am
STL
-
MDW
1h 05mnonstop
Southwest Logo
4:40 pm - 5:55 pm
MDW
-
STL
1h 15mnonstop
$117Southwest
Mon, Oct 19 - Tue, Oct 20
Southwest Logo
2:00 pm - 3:05 pm
STL
-
MDW
1h 05mnonstop
Southwest Logo
8:05 am - 9:15 am
MDW
-
STL
1h 10mnonstop
$117Southwest
Sat, Sep 5 - Tue, Sep 8
Southwest Logo
3:00 pm - 4:10 pm
STL
-
MDW
1h 10mnonstop
Southwest Logo
8:15 am - 9:35 am
MDW
-
STL
1h 20mnonstop
$117Southwest
Mon, Nov 16 - Thu, Nov 19
Southwest Logo
4:40 pm - 5:45 pm
STL
-
MDW
1h 05mnonstop
Southwest Logo
7:40 am - 8:55 am
MDW
-
STL
1h 15mnonstop
$117Southwest
Tue, Sep 1 - Thu, Sep 10
Southwest Logo
12:50 pm - 1:55 pm
STL
-
MDW
1h 05mnonstop
Southwest Logo
8:55 pm - 10:10 pm
MDW
-
STL
1h 15mnonstop
$117Southwest
Mon, Sep 7 - Mon, Sep 14
Southwest Logo
6:05 am - 7:10 am
STL
-
MDW
1h 05mnonstop
Southwest Logo
8:55 pm - 10:10 pm
MDW
-
STL
1h 15mnonstop
$117Southwest
Mon, Aug 17 - Thu, Aug 20
Frontier Logo
4:57 pm - 10:55 am
STL
-
MDW
17h 58m
1 stop
Frontier Logo
11:50 am - 5:22 pm
MDW
-
STL
5h 32m
1 stop
$220Frontier
Thu, Oct 22 - Sun, Oct 25
Frontier Logo
10:35 am - 9:58 pm
STL
-
MDW
11h 23m
1 stop
Frontier Logo
12:03 pm - 9:40 am
MDW
-
STL
21h 37m
1 stop
$236Frontier
Booking Insights

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

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

How much is a round-trip flight from St. Louis to Chicago Midway Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Chicago Midway Airport departing in August.

Flight prices are below average for this route right now.

Flights to Chicago Midway Airport from St. Louis usually cost between $237 and $561 in August.
The lowest price found in the past 5 days was $117 on Southwest (Aug 25-Aug 31).

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

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

For St. Louis to Chicago Midway Airport, Saturday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Chicago Midway Airport back to St. Louis, the best deals are generally found on Saturday, with Sunday being the most expensive.

What is the cheapest month to fly from St. Louis to Chicago Midway Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Chicago Midway Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Chicago Midway Airport is December, where tickets cost $0 (return) on average. On the other hand, the most expensive months are March and February, where the average cost of round-trip tickets is $721 and $581 respectively.

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Expert advice

Expert advice for your flight from St. Louis to Midway

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on MDW

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 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 season

November

Cheapest flight

$49
Best time to beat the crowds with an average 78% drop in price.
Most popular time to fly with an average 24% increase in price.
Flight from St. Louis to Chicago Midway Airport

When to book flights from St. Louis to Midway

Are your dates flexible? Find out the best times to travel from St. Louis to Midway 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 St. Louis to Chicago Midway Airport flights

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

    In the last 5 days, the lowest price for a flight from St. Louis to Chicago Midway Airport was $49 for a one-way ticket and $117 for a round-trip.

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

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from St. Louis to Chicago Midway Airport?

    When flying out of St. Louis you will be using Lambert-St Louis. You will be landing at Chicago Midway Airport, also known as Chicago Midway.

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

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

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

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

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

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

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

    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 St. Louis to Chicago Midway Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago Midway Airport from St. Louis 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 St. Louis to Chicago Midway Airport?

    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 Chicago Midway Airport with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and MDW 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 St. Louis to Chicago Midway Airport?

    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 Chicago Midway Airport from St. Louis 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 St. Louis to Chicago Midway Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $198 or less one-way and $308 or less round-trip.

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

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

Direct departures

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

Direct returns

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

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

Information on your arrival and departure airports

St. Louis (STL)
Midway (MDW)