St. Louis

$94+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — STL
Jul 10 — Jul 171
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Cheap 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 June 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:45 pm
MDW
-
STL
1 stop22h 11m
Frontier
Thu 8/206:33 pm
STL
-
MDW
1 stop27h 38m
Frontier
Deal found 6/9$254
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:05 am
MDW
-
STL
1 stop11h 32m
Frontier
Mon 8/34:57 pm
STL
-
MDW
1 stop18h 10m
Frontier
Deal found 6/6$259
This Southwest deal was found by Cheapflights users on 6/10. 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 10/106:30 am
MDW
-
STL
Nonstop1h 15m
Southwest
Sat 10/102:50 pm
STL
-
MDW
Nonstop1h 10m
Southwest
Deal found 6/10$261
This Southwest deal was found by Cheapflights users on 6/5. 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.
Fri 10/1610:55 am
MDW
-
STL
Nonstop1h 10m
Southwest
Mon 10/195:55 pm
STL
-
MDW
Nonstop1h 05m
Southwest
Deal found 6/5$266
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:05 am
MDW
-
STL
1 stop11h 32m
Frontier
Mon 7/134:57 pm
STL
-
MDW
1 stop5h 06m
Frontier
Deal found 6/9$268
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:05 am
MDW
-
STL
1 stop11h 32m
Frontier
Fri 7/314:57 pm
STL
-
MDW
1 stop5h 06m
Frontier
Deal found 6/8$269
This Frontier deal was found by Cheapflights users on 6/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3012:27 pm
MDW
-
STL
1 stop5h 03m
Frontier
Wed 7/15:06 pm
STL
-
MDW
1 stop5h 05m
Frontier
Deal found 6/9$270
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 7/2210:00 am
MDW
-
STL
Nonstop1h 15m
Southwest
Wed 7/295:55 pm
STL
-
MDW
Nonstop1h 10m
Southwest
Deal found 6/9$275
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:05 am
MDW
-
STL
1 stop26h 52m
Frontier
Tue 7/216:34 pm
STL
-
MDW
1 stop16h 33m
Frontier
Deal found 6/9$276
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:05 am
MDW
-
STL
1 stop11h 32m
Frontier
Sun 7/266:34 pm
STL
-
MDW
1 stop16h 33m
Frontier
Deal found 6/7$281

Find 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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$254
(Kiwi.com)

One-way from

$94
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$337

Good round-trip deal

$304 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Chicago Midway-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Chicago Midway-Lambert-St Louis flights.
From Chicago Midway to Lambert-St Louis
One-way flight from Chicago Midway to Lambert-St Louis
High demand for flights, 19% potential price rise
Cheapest flight prices on average. 8% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Chicago Midway to Lambert-St Louis.
Price to beat on a one-way flight from Chicago Midway to Lambert-St Louis.

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 June 10, 2026.
Use the filters below to find and compare flights from Chicago Midway Airport to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 7/21

7:10 am-1:05 pm

1 stop5h 55m

Lambert-St Louis

Tue 7/21

6:15 pm-12:10 am

1 stop5h 55m

$295

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Fri 7/3

9:54 am-3:16 pm

1 stop5h 22m

Lambert-St Louis

Sun 7/5

6:30 am-12:46 pm

1 stop6h 16m

$326

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 7/8

10:05 am-2:50 pm

1 stop4h 45m

Lambert-St Louis

Mon 7/13

9:55 am-1:35 pm

1 stop3h 40m

$326

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 7/21

8:20 am-9:35 am

Nonstop1h 15m

Lambert-St Louis

Tue 7/28

4:00 pm-5:05 pm

Nonstop1h 05m

$337

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Mon 8/24

5:30 am-3:20 pm

1 stop9h 50m

Lambert-St Louis

Thu 8/27

6:15 pm-7:20 pm

Nonstop1h 05m

$342

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Fri 8/14

2:50 pm-6:05 pm

1 stop3h 15m

Lambert-St Louis

Sun 8/16

6:30 pm-12:10 am

1 stop5h 40m

$342

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 7/22

2:35 pm-3:45 pm

Nonstop1h 10m

Lambert-St Louis

Wed 7/29

10:15 am-2:30 pm

1 stop4h 15m

$347

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Mon 6/29

7:50 am-9:10 am

Nonstop1h 20m

Lambert-St Louis

Thu 7/9

6:30 pm-7:35 pm

Nonstop1h 05m

$348

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 7/21

3:55 pm-8:30 pm

1 stop4h 35m

Lambert-St Louis

Wed 7/22

4:00 pm-5:05 pm

Nonstop1h 05m

$355

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sat 8/8

8:05 am-1:40 pm

1 stop5h 35m

Lambert-St Louis

Sun 8/9

8:25 am-12:30 pm

1 stop4h 05m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub the most. FlightHub 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 June 10, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 33% on flights from Chicago Midway Airport to St. Louis by exploring options for tickets at noon.

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 June 8, 2026.

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

How much does it cost to fly round-trip from Chicago Midway Airport to St. Louis?

The best insider tips for Chicago Midway Airport to St. Louis flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago Midway Airport to St. Louis trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on MDW

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Taryn White

Taryn White

Expert on STL

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

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 June 10, 2026.
See what other customers who have flown with Southwest from Chicago Midway Airport to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 4 daily inbound flights from Chicago Midway from 1 airline.

  • How long is the flight from Chicago Midway Airport to St. Louis?

    Airlines like Southwest and Delta fly from Chicago Midway Airport to St. Louis in about 5h 22m. The time it takes to get you to your destination can typically vary by up to 33m. The distance from Chicago Midway Airport to St. Louis is about 251 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Chicago Midway Airport to St. Louis round-trip?

    Currently priced at $77, Southwest will fly you from Chicago Midway Airport to St. Louis and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Southwest is currently priced 81% below the average price you’ll pay for this route.

  • 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 $320, 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 $166 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington

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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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$77Average$423FlexibilityNo cancel feeOn-time63%

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