How often are flights from Chicago to St. Louis delayed?

About 11% of weekly flights between Chicago and St. Louis have experienced delays in the past year, with the average delay time being 101 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 in the evening tend to experience delays more often.

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 11% of flights being delayed.

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.

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 1h 20m. The time it takes to get you to your destination can typically vary by up to 3h 28m. 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 79% below the average price you’ll pay for this route.

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.

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).

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 $269, our data shows the cheapest flight currently is $48. When looking at the most popular route, (Chicago Midway - Lambert-St Louis), you can expect to pay $144 for that flight.

Most accurate provider : When it comes to deals on Chicago Midway Airport-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago Midway Airport-St. Louis flight deals on Cheapflights vs. eDreams >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.

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 2 daily inbound flights from Chicago Midway from 1 airline.

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.

$69+ Flights from Chicago Midway Airport to St. Louis

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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 December 12, 2025.

Wed 12/248:25 amMDW - STL

Nonstop1h 15mSouthwest

Thu 12/254:25 pmSTL - MDW

Nonstop1h 10mSouthwest

Deal found 12/9

$215

Wed 12/2411:25 amMDW - STL

Nonstop1h 10mSouthwest

Fri 12/262:15 pmSTL - MDW

Nonstop1h 05mSouthwest

Deal found 12/9

$317

Thu 12/255:15 pmMDW - STL

Nonstop1h 15mSouthwest

Sun 12/283:05 pmSTL - MDW

1 stop6h 20mSouthwest

Deal found 12/11

$340

Wed 12/246:12 amMDW - STL

2 stops16h 21mFrontier

Thu 12/2510:42 amSTL - MDW

1 stop11h 30mFrontier

Deal found 12/9

$348

Thu 12/259:50 amMDW - STL

1 stop3h 10mSouthwest

Mon 12/294:40 pmSTL - MDW

1 stop4h 45mSouthwest

Deal found 12/11

$367

Mon 12/2910:50 pmMDW - STL

Nonstop1h 15mSouthwest

Mon 1/56:40 amSTL - MDW

Nonstop1h 10mSouthwest

Deal found 12/10

$379

Fri 12/196:12 amMDW - STL

2 stops16h 21mFrontier

Wed 1/148:32 pmSTL - MDW

1 stop11h 31mFrontier

Deal found 12/10

$392

Best flights from Midway to St. Louis
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 December 12, 2025.

Mon 2/235:50 amMDW - STL

Nonstop1h 20mSouthwest

Tue 2/246:05 amSTL - MDW

Nonstop1h 10mSouthwest

Deal found 12/11

$144

Tue 1/209:50 amMDW - STL

1 stop4h 48mDelta

Tue 1/277:10 amSTL - MDW

1 stop4h 49mDelta

Deal found 12/10

$157

Thu 1/86:10 amMDW - STL

1 stop8h 38mFrontier

Mon 1/128:50 amSTL - MDW

1 stop14h 19mFrontier

Deal found 12/10

$162

Wed 1/79:32 amMDW - STL

2 stops7h 13mDelta

Wed 1/146:10 amSTL - MDW

1 stop6h 59mDelta

Deal found 12/10

$162

Thu 1/89:55 amMDW - STL

Nonstop1h 20mSouthwest

Mon 1/125:55 pmSTL - MDW

Nonstop1h 10mSouthwest

Deal found 12/11

$171

Thu 2/195:50 amMDW - STL

Nonstop1h 20mSouthwest

Sat 2/216:10 amSTL - MDW

Nonstop1h 10mSouthwest

Deal found 12/9

$171

Sat 1/176:40 amMDW - STL

Nonstop1h 25mSouthwest

Sat 1/1710:25 amSTL - MDW

Nonstop1h 10mSouthwest

Deal found 12/10

$171

Last-minute flights from Midway to St. Louis
Discover last-minute flight deals from Midway to St. Louis. Data last updated December 12, 2025 and is based on user searches.

Wed 1/79:50 amMDW - STL

1 stop6h 55mDelta

Wed 1/146:10 amSTL - MDW

1 stop6h 59mDelta

Deal found 12/10

$157

Thu 1/86:10 amMDW - STL

1 stop8h 38mFrontier

Mon 1/128:50 amSTL - MDW

1 stop14h 19mFrontier

Deal found 12/11

$163

Thu 1/87:45 pmMDW - STL

Nonstop1h 15mSouthwest

Mon 1/125:55 pmSTL - MDW

Nonstop1h 10mSouthwest

Deal found 12/10

$171

Mon 1/127:16 pmMDW - STL

1 stop4h 09mDelta

Wed 1/146:10 amSTL - MDW

1 stop6h 59mDelta

Deal found 12/10

$174

Sat 1/176:40 amMDW - STL

Nonstop1h 25mSouthwest

Sat 1/171:40 pmSTL - MDW

2 stops6h 05mSouthwest

Deal found 12/10

$186

Sat 1/2410:46 amMDW - STL

1 stop5h 10mDelta

Sat 1/319:59 amSTL - MDW

1 stop5h 39mDelta

Deal found 12/10

$191

One-way flights from Midway to St. Louis
Search for one-way flight options from Midway to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Wed 2/111:15 pmMDW - STL

1 stop5h 45mSouthwest

Deal found 12/10

$69

Fri 1/231:00 pmMDW - STL

1 stop10h 33mFrontier

Deal found 12/11

$70

Wed 1/71:20 pmMDW - STL

2 stops7h 15mSouthwest

Deal found 12/10

$74

Mon 1/124:31 pmMDW - STL

2 stops38h 20mFrontier

Deal found 12/11

$78

Wed 1/75:31 pmMDW - STL

1 stop6h 08mDelta

Deal found 12/9

$79

Sat 3/74:46 pmMDW - STL

1 stop6h 33mFrontier

Deal found 12/11

$81

Thu 2/197:30 amMDW - STL

1 stop16h 29mFrontier

Deal found 12/11

$83

Tue 2/109:33 amMDW - STL

2 stops7h 12mDelta

Deal found 12/11

$84

Mon 2/97:00 pmMDW - STL

2 stops35h 51mFrontier

Deal found 12/11

$85

Tue 1/61:50 pmMDW - STL

Nonstop1h 10mSouthwest

Deal found 12/10

$86

Find flight deals from Midway to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$144 (Southwest)
One-way from	$69 (Southwest)
Popular in	November
Cheapest in	October
Average price	$204
Good round-trip deal	$279 or less
Good one-way deal	$98 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

High demand for flights, 7% potential price rise

Search Deals

Cheapest flight prices on average. 11% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 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

Cheapflights Fare Finder

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

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Mon 2/23

5:50 am-7:10 am

Nonstop1h 20m

Lambert-St Louis

Tue 2/24

6:05 am-7:15 am

Nonstop1h 10m

$144

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 1/20

9:50 am-2:38 pm

1 stop4h 48m

Lambert-St Louis

Tue 1/27

7:10 am-11:59 am

1 stop4h 49m

$157

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 1/8

6:10 am-2:48 pm

1 stop8h 38m

Lambert-St Louis

Mon 1/12

8:50 am-11:09 pm

1 stop14h 19m

$162

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Wed 1/7

9:32 am-4:45 pm

2 stops7h 13m

Lambert-St Louis

Wed 1/14

6:10 am-1:09 pm

1 stop6h 59m

$162

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 1/8

9:55 am-11:15 am

Nonstop1h 20m

Lambert-St Louis

Mon 1/12

5:55 pm-7:05 pm

Nonstop1h 10m

$171

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Thu 2/19

5:50 am-7:10 am

Nonstop1h 20m

Lambert-St Louis

Sat 2/21

6:10 am-7:20 am

Nonstop1h 10m

$171

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sat 1/17

6:40 am-8:05 am

Nonstop1h 25m

Lambert-St Louis

Sat 1/17

10:25 am-11:35 am

Nonstop1h 10m

$171

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 2/17

3:10 pm-8:05 pm

1 stop4h 55m

$69

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 1/6

7:05 am-1:35 pm

1 stop6h 30m

$69

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 3/3

8:10 am-12:45 pm

1 stop4h 35m

$69

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 18 results

Compare providers for flights from Midway to St. Louis

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago Midway Airport-St. Louis flight deals on Cheapflights vs. eDreams >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

Prices

Delays

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

Unlike in the morning, when flights are generally more expensive, you can save up to 34% 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?

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

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

Cheapflights partnered with top experts to bring you the best recommendations for your Chicago Midway Airport to St. Louis trip

Airports

MDW

Use the Orange Line for a quick, affordable trip to MDW. It operates nearly 24 hours, reaching downtown in under 30 minutes.

STL

Take the MetroLink from STL for a convenient, cost-effective ride to downtown St. Louis in about 40 minutes.

Our travel experts

Ramsey Qubein

Expert on MDW

Taryn White

Expert on STL

Reviews of airlines servicing St. Louis

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.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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 2 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 1h 20m. The time it takes to get you to your destination can typically vary by up to 3h 28m. 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 79% 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 $269, our data shows the cheapest flight currently is $48. When looking at the most popular route, (Chicago Midway - Lambert-St Louis), you can expect to pay $144 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

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Other flights to St. Louis

Top airline flying from Midway to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$77	Average$387	FlexibilityNo cancel fee	On-time63%

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$69+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Midway to St. Louis with Cheapflights

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Cheap flight deals from Midway to St. Louis

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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Midway to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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 December.

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.

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?

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

How often are flights from Chicago to St. Louis delayed?

What is the most punctual flight time for Chicago to St. Louis flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chicago to St. Louis flights?

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

Airports

MDW

STL

Our travel experts

Reviews of airlines servicing St. Louis

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.

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?

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

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

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

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

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

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

Traveling to a place near St. Louis?

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Alternative routes for Midway to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Midway to St. Louis

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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 December 12, 2025.