HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$81+ Cheap flights from Midway (MDW) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — STL
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Midway to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Midway to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Midway (MDW) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$210
(Booking.com)

One-way from

$81
(Frontier)

Popular in

November

Cheapest in

April

Average price

$154

Good round-trip deal

$219 or less

Good one-way deal

$136 or less
Provider with most accurate pricing for Chicago Midway-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago Midway-Lambert-St Louis flights.
Search Deals
From Chicago Midway to Lambert-St Louis
Search Deals
One-way flight from Chicago Midway to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Chicago Midway to Lambert-St Louis.
Search Deals
Price to beat on a one-way flight from Chicago Midway to Lambert-St Louis.
Search Deals

Find flight deals from Midway to St. Louis

Cheapest flights from Midway to St. Louis
Explore the most affordable flight options available from Midway to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Booking.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/91:19 pmMDW - STL
1 stop10h 55mFrontier
Sun 5/119:55 pmSTL - MDW
1 stop16h 53mFrontier
Deal found 4/28$210
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2412:40 pmMDW - STL
Nonstop1h 10mSouthwest
Sun 5/258:55 pmSTL - MDW
Nonstop1h 05mSouthwest
Deal found 4/28$217
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2410:25 amMDW - STL
1 stop4h 10mDelta
Sun 5/256:45 amSTL - MDW
1 stop5h 43mDelta
Deal found 4/28$237

Cheapflights Fare Finder

Customize your flight search to find flights from Midway to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Chicago Midway Airport to St. Louis that are best for you.

Fly from

Midway

Fly to

St. Louis

Route

Depart

Return

Price

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Fri 5/9

1:19 pm-12:14 am

1 stop10h 55m

Lambert-St Louis

Sun 5/11

9:55 pm-2:48 pm

1 stop16h 53m

$210

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sat 5/24

12:40 pm-1:50 pm

Nonstop1h 10m

Lambert-St Louis

Sun 5/25

7:00 am-8:05 am

Nonstop1h 05m

$217

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 6/11

9:24 am-1:26 pm

1 stop4h 02m

Lambert-St Louis

Wed 6/18

6:40 am-12:29 pm

1 stop5h 49m

$237

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sat 6/28

6:20 am-2:07 pm

1 stop7h 47m

$81

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 5/21

5:40 pm-6:55 pm

Nonstop1h 15m

$109

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 5/21

9:16 am-5:00 pm

2 stops7h 44m

$124

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 6/12

8:09 pm-6:41 pm

3 stops22h 32m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Compare providers for flights from Midway to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Midway to St. Louis in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago Midway Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago Midway Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago Midway Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago Midway Airport-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago Midway Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Midway to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Midway with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago Midway Airport to St. Louis

What is the cheapest time of day to fly from MDW to STL?

Find hourly flight availability from Midway to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 44% on flights from Chicago Midway Airport to St. Louis by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Midway to St. Louis. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Chicago Midway Airport to St. Louis flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago Midway Airport to St. Louis

Explore weekly flight availability from Midway to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 29, 2025.

The most flights from MDW to STL are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 29, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and Frontier from Chicago to St. Louis to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,292 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,292 reviews
Southwest
8.0
Very good
4,292 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,929 reviews
Southwest
8.0
Very good
4,292 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Frontier
6.0
Okay
3,284 reviews
Southwest
8.0
Very good
4,292 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Midway to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Chicago Midway?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Chicago Midway. Booking flights from Chicago Midway to Lambert-St Louis (STL) should be relatively easy as there are 5 daily inbound flights from Chicago Midway from 1 airline.

  • What are the cheapest airlines flying from Chicago Midway Airport to St. Louis round-trip?

    Currently priced at $210, Frontier will fly you from Chicago Midway Airport to St. Louis and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Delta - these airlines can fly you to your destination from $217 and $237, respectively. Frontier is currently priced 46% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago Midway Airport to St. Louis one-way?

    One-way options have recently been found by users for as low as $81 on Frontier. Other airlines that offer cheap prices include Southwest from $109 and Delta from $119 one-way.

  • What are the cheapest flights from Chicago Midway Airport to St. Louis?

    While on average a flight from Chicago Midway Airport to St. Louis is generally $264, our data shows the cheapest flight currently is $68. When looking at the most popular route, (Chicago Midway - Lambert-St Louis), you can expect to pay $217 for that flight.

  • Can I find deals for flights from Midway to St. Louis that include hotel bookings?

    Yes. In addition to deals on Midway to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Midway to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Midway to St. Louis.

  • Can I find deals for business class flights from Midway to St. Louis?

    Yes. Cheapflights offers flight deals from Midway to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, August is the cheapest month in which you can book a flight from Chicago Midway Airport to St. Louis (average of $311). Flying from Chicago Midway Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago Midway Airport?

Book flights to Chicago Midway Airport if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Midway to St. Louis

Discover the top airline that operate flights from Midway to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$116Average$328FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.