$70+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — STL
May 23 — May 301
Round-trip
1 adult, Economy
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Cheapest flights from Midway to St. LouisExplore 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 23, 2026.
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 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 4/306:00 am
MDW
- STL
1 stop24h 50m
Frontier
Fri 5/18:23 pm
STL
- MDW
1 stop22h 14m
Frontier
Deal found 4/18![Frontier logo]()
$211
This Southwest deal was found by Cheapflights users on 4/21. 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.
Tue 5/191:55 pm
MDW
- STL
Nonstop1h 10m
Southwest
Wed 5/208:45 pm
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 4/21![Southwest logo]()
$213
This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:20 am
MDW
- STL
1 stop8h 16m
Frontier
Thu 4/3011:21 am
STL
- MDW
1 stop10h 58m
Frontier
Deal found 4/20![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1912:24 pm
MDW
- STL
1 stop5h 09m
Frontier
Tue 5/266:51 pm
STL
- MDW
2 stops27h 11m
Frontier
Deal found 4/21![Frontier logo]()
$232
This Delta deal was found by Cheapflights users on 4/21. 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.
Tue 5/199:22 am
MDW
- STL
1 stop3h 48m
Delta
Wed 5/206:45 am
STL
- MDW
1 stop5h 57m
Delta
Deal found 4/21![Delta logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1412:19 pm
MDW
- STL
2 stops12h 02m
Frontier
Mon 5/185:27 pm
STL
- MDW
1 stop17h 42m
Frontier
Deal found 4/21![Frontier logo]()
$235
This Southwest deal was found by Cheapflights users on 4/21. 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.
Thu 5/1411:40 am
MDW
- STL
Nonstop1h 15m
Southwest
Tue 5/2610:25 am
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 4/21![Southwest logo]()
$236
This Southwest deal was found by Cheapflights users on 4/20. 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 9/238:15 am
MDW
- STL
Nonstop1h 20m
Southwest
Thu 9/242:20 pm
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 4/20![Southwest logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Mon 5/46:00 am
MDW
- STL
2 stops17h 19m
Frontier
Fri 5/85:27 pm
STL
- MDW
1 stop17h 37m
Frontier
Deal found 4/19![Frontier logo]()
$241
This Southwest deal was found by Cheapflights users on 4/22. 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 5/208:15 am
MDW
- STL
1 stop5h 10m
Southwest
Wed 5/271:15 pm
STL
- MDW
2 stops6h 20m
Southwest
Deal found 4/22![Southwest logo]()
$242
Best flights from Midway to St. LouisDiscover carefully curated flight deals from Midway to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
Discover carefully curated flight deals from Midway to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
This Delta deal was found by Cheapflights users on 4/22. 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.
Tue 5/196:23 am
MDW
- STL
1 stop5h 59m
Delta
Wed 5/206:45 am
STL
- MDW
1 stop5h 57m
Delta
Deal found 4/22![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 4/22. 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 5/208:15 am
MDW
- STL
1 stop5h 10m
Southwest
Wed 5/271:15 pm
STL
- MDW
2 stops6h 20m
Southwest
Deal found 4/22![Southwest logo]()
$242
This Southwest deal was found by Cheapflights users on 4/20. 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.
Thu 5/2811:40 am
MDW
- STL
Nonstop1h 15m
Southwest
Mon 6/14:40 pm
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 4/20![Southwest logo]()
$261
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 6/105:11 pm
MDW
- STL
1 stop6h 45m
Delta
Sat 6/136:21 am
STL
- MDW
1 stop6h 48m
Delta
Deal found 4/23![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 4/20. 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.
Thu 5/148:55 am
MDW
- STL
Nonstop1h 15m
Southwest
Mon 5/185:40 am
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 4/20![Southwest logo]()
$277
This Southwest deal was found by Cheapflights users on 4/20. 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 6/1010:00 am
MDW
- STL
Nonstop1h 15m
Southwest
Tue 6/168:45 am
STL
- MDW
1 stop5h 10m
Southwest
Deal found 4/20![Southwest logo]()
$286
This Southwest deal was found by Cheapflights users on 4/21. 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.
Thu 5/212:10 pm
MDW
- STL
Nonstop1h 15m
Southwest
Sat 5/236:55 pm
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 4/21![Southwest logo]()
$298
This Southwest deal was found by Cheapflights users on 4/21. 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.
Thu 5/219:30 pm
MDW
- STL
Nonstop1h 15m
Southwest
Thu 5/284:00 pm
STL
- MDW
1 stop6h 20m
Southwest
Deal found 4/21![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 4/21. 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 5/2312:05 pm
MDW
- STL
1 stop7h 30m
Southwest
Mon 5/254:40 pm
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 4/21![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 4/21. 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 6/52:45 pm
MDW
- STL
Nonstop1h 10m
Southwest
Fri 6/125:40 am
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 4/21![Southwest logo]()
$322
Last-minute flights from Midway to St. LouisDiscover last-minute flight deals from Midway to St. Louis. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Midway to St. Louis. Data last updated April 23, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:20 am
MDW
- STL
1 stop8h 16m
Frontier
Thu 4/3011:21 am
STL
- MDW
1 stop10h 58m
Frontier
Deal found 4/20![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 4/306:00 am
MDW
- STL
1 stop24h 50m
Frontier
Fri 5/18:23 pm
STL
- MDW
1 stop22h 14m
Frontier
Deal found 4/20![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Mon 5/46:00 am
MDW
- STL
2 stops17h 19m
Frontier
Fri 5/85:27 pm
STL
- MDW
1 stop17h 37m
Frontier
Deal found 4/19![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1412:19 pm
MDW
- STL
2 stops12h 02m
Frontier
Mon 5/185:27 pm
STL
- MDW
1 stop17h 42m
Frontier
Deal found 4/21![Frontier logo]()
$235
This Southwest deal was found by Cheapflights users on 4/21. 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.
Thu 5/1411:40 am
MDW
- STL
Nonstop1h 15m
Southwest
Tue 5/2610:25 am
STL
- MDW
Nonstop1h 10m
Southwest
Deal found 4/21![Southwest logo]()
$236
This Southwest deal was found by Cheapflights users on 4/21. 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.
Tue 5/191:55 pm
MDW
- STL
Nonstop1h 10m
Southwest
Wed 5/208:45 pm
STL
- MDW
Nonstop1h 05m
Southwest
Deal found 4/21![Southwest logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1912:24 pm
MDW
- STL
1 stop5h 09m
Frontier
Tue 5/266:51 pm
STL
- MDW
2 stops27h 11m
Frontier
Deal found 4/21![Frontier logo]()
$232
This Delta deal was found by Cheapflights users on 4/21. 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.
Tue 5/199:22 am
MDW
- STL
1 stop3h 48m
Delta
Wed 5/206:45 am
STL
- MDW
1 stop5h 57m
Delta
Deal found 4/21![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 4/22. 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 5/208:15 am
MDW
- STL
1 stop5h 10m
Southwest
Wed 5/271:15 pm
STL
- MDW
2 stops6h 20m
Southwest
Deal found 4/22![Southwest logo]()
$242
One-way flights from Midway to St. LouisSearch for one-way flight options from Midway to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
Search for one-way flight options from Midway to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This Frontier deal was found by Cheapflights users on 4/19. 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 5/1912:24 pm
MDW
- STL
1 stop5h 09m
Frontier
Deal found 4/19![Frontier logo]()
$70
This Priceline deal was found by Cheapflights users on 4/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/184:52 pm
MDW
- STL
1 stop7h 29m
Frontier
Deal found 4/20![Frontier logo]()
$75
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:00 am
MDW
- STL
1 stop10h 54m
Frontier
Deal found 4/21![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 4/21. 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.
Fri 5/84:52 pm
MDW
- STL
1 stop7h 29m
Frontier
Deal found 4/21![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/712:19 pm
MDW
- STL
1 stop20h 36m
Frontier
Deal found 4/19![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 4/20. 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 6/2312:27 pm
MDW
- STL
1 stop5h 03m
Frontier
Deal found 4/20![Frontier logo]()
$95
This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
MDW
- STL
1 stop11h 36m
Frontier
Deal found 4/20![Frontier logo]()
$96
This Frontier deal was found by Cheapflights users on 4/21. 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 6/306:00 am
MDW
- STL
1 stop11h 30m
Frontier
Deal found 4/21![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 5/63:07 pm
MDW
- STL
1 stop23h 41m
Frontier
Deal found 4/19![Frontier logo]()
$103
This Southwest deal was found by Cheapflights users on 4/21. 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 5/201:55 pm
MDW
- STL
Nonstop1h 10m
Southwest
Deal found 4/21![Southwest logo]()
$107
This Southwest deal was found by Cheapflights users on 4/19. 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.
Tue 5/198:15 am
MDW
- STL
Nonstop1h 15m
Southwest
Deal found 4/19![Southwest logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/254:10 pm
MDW
- STL
1 stop26h 08m
Frontier
Deal found 4/23![Frontier logo]()
$109
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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $213 (Southwest) |
One-way from | $70 (Frontier) |
Popular in | November |
Cheapest in | October |
Average price | $461 |
Good round-trip deal | $232 or less |
Good one-way deal | $251 or less |
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 23, 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
Cheapest round-trip
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Tue 5/19
6:23 am-12:22 pm
1 stop5h 59m
Lambert-St Louis
Wed 5/20
6:45 am-12:42 pm
1 stop5h 57m
$233
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Wed 5/20
8:15 am-1:25 pm
1 stop5h 10m
Lambert-St Louis
Wed 5/27
1:15 pm-7:35 pm
2 stops6h 20m
$242
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Thu 5/28
11:40 am-12:55 pm
Nonstop1h 15m
Lambert-St Louis
Mon 6/1
4:40 pm-5:50 pm
Nonstop1h 10m
$261
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Thu 5/14
8:55 am-10:10 am
Nonstop1h 15m
Lambert-St Louis
Mon 5/18
5:40 am-6:50 am
Nonstop1h 10m
$277
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Wed 6/10
10:00 am-11:15 am
Nonstop1h 15m
Lambert-St Louis
Tue 6/16
8:45 am-1:55 pm
1 stop5h 10m
$286
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Wed 6/10
5:11 pm-11:56 pm
1 stop6h 45m
Lambert-St Louis
Sat 6/13
6:21 am-1:09 pm
1 stop6h 48m
$295
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Thu 5/21
2:10 pm-3:25 pm
Nonstop1h 15m
Lambert-St Louis
Sat 5/23
6:55 pm-8:05 pm
Nonstop1h 10m
$298
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Thu 5/21
9:30 pm-10:45 pm
Nonstop1h 15m
Lambert-St Louis
Thu 5/28
4:00 pm-10:20 pm
1 stop6h 20m
$308
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Sat 5/23
12:05 pm-7:35 pm
1 stop7h 30m
Lambert-St Louis
Mon 5/25
4:40 pm-5:50 pm
Nonstop1h 10m
$309
Quickest round-trip
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Fri 6/5
2:45 pm-3:55 pm
Nonstop1h 10m
Lambert-St Louis
Fri 6/12
5:40 am-6:45 am
Nonstop1h 05m
$322
Showing 1-10 of 17 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
MDW-STL
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
Prices
Delays
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 23, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 40% on flights from Chicago Midway Airport to St. Louis by exploring options for tickets in the afternoon.
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 April 18, 2026.
Travelers seeking maximum savings on their Chicago Midway Airport to St. Louis flight should consider departing on Tuesday at noon 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 often are flights from Chicago to St. Louis delayed?
About 13% of weekly flights between Chicago and St. Louis have experienced delays in the past year, with the average delay time being 107 minutes.
What is the most punctual flight time for Chicago to St. Louis flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to St. Louis flights?
Over the last year, Southwest have had the lowest number of delays on this route, with just 12% of flights being delayed.
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
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 23, 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.
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Midway and St. Louis flights
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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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$423 | FlexibilityNo cancel fee | On-time63% |