Cheap flights from St. Louis (STL) to Chicago (CHI) from $67

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 4/23. 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.
STL — CHI
Apr 2 — Apr 91

The best prices from Lambert-St Louis to Chicago are usually found in February or October, booked 47 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from St. Louis to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Chicago (CHI). 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 March 28, 2024.

Popular in

May

Cheapest in

February

Round-trip from

$223

One-way from

$84
High demand for flights, 7% potential price rise
Best time to find cheap flights, 12% potential price drop
From Lambert-St Louis to Chicago (CHI)
One-way flight from Lambert-St Louis to Chicago (CHI)

What is the cheapest day to fly round-trip from St. Louis to Chicago?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 39% on the overall cost on flights from St. Louis to Chicago.

How far in advance should I book a flight from St. Louis to Chicago?

Users have found that booking a flight from St. Louis to Chicago at least 48 days early can save you up to 98% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from St. Louis to Chicago for as little as $270 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $447 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, February can be a great choice for travel to Chicago. Flights to Chicago from St. Louis in February are about $271 on average during February, but can be found for as low as $167.

When is the cheapest time to fly from St. Louis to Chicago (STL - CHI)?

It’s optimal to fly from St. Louis to Chicago in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

Cheap Spirit Airlines flights from St. Louis to Chicago

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Chicago. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,238,496 searches. Data last updated March 28, 2024.
Find some of the cheapest Spirit Airlines flights traveling from St. Louis to Chicago. Come back soon if you're not finding the exact deal you're looking for.
Sat 4/1311:39 amSTL - ORD
2 stops9h 26mSpirit Airlines
Mon 4/1510:00 pmORD - STL
2 stops15h 44mSpirit Airlines
Deal found 3/27$212
Sat 4/1311:39 amSTL - ORD
2 stops9h 26mSpirit Airlines
Mon 4/1510:23 amORD - STL
3 stops27h 21mSpirit Airlines
Deal found 3/27$254
Sat 4/1311:39 amSTL - ORD
2 stops22h 53mSpirit Airlines
Mon 4/1510:23 amORD - STL
3 stops27h 21mSpirit Airlines
Deal found 3/27$287
Thu 4/47:48 pmSTL - ORD
2 stops22h 54mSpirit Airlines
Mon 4/810:29 amORD - STL
3 stops27h 11mSpirit Airlines
Deal found 3/25$319
Tue 4/22:25 pmSTL - ORD
2 stops18h 01mSpirit Airlines
Wed 4/108:59 pmORD - STL
3 stops21h 41mSpirit Airlines
Deal found 3/26$335
Tue 4/22:25 pmSTL - ORD
2 stops18h 01mSpirit Airlines
Wed 4/310:00 pmORD - STL
3 stops20h 50mSpirit Airlines
Deal found 3/26$343
  • If you’re traveling from St. Louis to Chicago, one of the more common airlines traveling that route is Spirit Airlines. St. Louis to Chicago flights are typically 89% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $237.84 RT. The cheapest Spirit Airlines flight found for this route was $235. When traveling from St. Louis to Chicago on Spirit Airlines, the most popular airport to depart from is Lambert-St Louis Airport and the most popular airport to arrive at is Chicago O'Hare Intl Airport. When flying from St. Louis to Chicago, Spirit Airlines flights are 4% more popular than any other airline flying that same route.

Cheap American Airlines flights from St. Louis to Chicago

Explore cheap flight options specifically provided by American Airlines for the route between St. Louis and Chicago. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,238,496 searches. Data last updated March 28, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from St. Louis to Chicago. Make sure to examine the flight information before completing your reservation.
Sat 4/275:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Sat 5/47:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/27$137
Sat 4/275:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Sun 4/288:15 amORD - STL
Nonstop1h 24mAmerican Airlines
Deal found 3/27$138
Tue 4/236:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Fri 4/263:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$139
Mon 4/296:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Fri 5/33:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$140
Sat 4/274:42 pmSTL - ORD
1 stop5h 05mAmerican Airlines
Sat 5/47:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/27$145
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 5/13:09 pmORD - STL
Nonstop1h 18mAmerican Airlines
Deal found 3/27$146
Tue 4/235:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Fri 4/263:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$147
Sat 4/275:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Sat 5/43:23 pmORD - STL
1 stop7h 19mAmerican Airlines
Deal found 3/27$153
Wed 4/2411:07 amSTL - ORD
1 stop6h 30mAmerican Airlines
Wed 5/11:20 pmORD - STL
1 stop4h 42mAmerican Airlines
Deal found 3/27$154
  • If you’re traveling from St. Louis to Chicago, one of the more common airlines traveling that route is American Airlines. Flights from American Airlines traveling this route typically cost $291.80 RT. This price is typically 47% more expensive than other airlines that offer St. Louis to Chicago flights. When booking this route, the cheapest RT price found was $130. The most popular departure airport in St. Louis when flying to Chicago is Lambert-St Louis Airport. The most popular airport to fly into when visiting Chicago is Chicago O'Hare Intl Airport. When flying from St. Louis to Chicago, American Airlines flights are -6% more popular than any other airline flying that same route.

Cheap St. Louis to Chicago flights in March & April 2024

Find cheap flight options from St. Louis to Chicago specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,238,496 searches. Prices were last updated on March 28, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Chicago in 2024. More deals are always being added, so be sure to check back regularly.
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/25$137
Sat 4/275:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Sun 4/288:15 amORD - STL
Nonstop1h 24mAmerican Airlines
Deal found 3/27$138
Tue 4/236:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Fri 4/263:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$139
Mon 4/296:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Fri 5/33:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$140
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/25$145
Sat 4/275:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Mon 4/293:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/26$146
Tue 4/235:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Fri 4/263:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$147
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 5/15:30 amORD - STL
1 stop4h 43mAmerican Airlines
Deal found 3/25$153
Tue 4/237:10 amSTL - ORD
1 stop5h 14mAmerican Airlines
Tue 4/303:20 pmORD - STL
1 stop7h 22mAmerican Airlines
Deal found 3/26$154

St. Louis to Chicago 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Chicago in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,238,496 searches. Data last updated March 28, 2024.
Listed are some of the best fares we've found on flights departing from St. Louis to Chicago in 2024. More deals are always being added, so be sure to check back regularly.
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/25$137
Sat 4/275:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Sun 4/288:15 amORD - STL
Nonstop1h 24mAmerican Airlines
Deal found 3/27$138
Tue 4/236:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Fri 4/263:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$139
Mon 4/296:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Fri 5/33:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$140
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/25$145
Sat 4/275:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Mon 4/293:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/26$146
Tue 4/235:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Fri 4/263:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$147
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 5/15:30 amORD - STL
1 stop4h 43mAmerican Airlines
Deal found 3/25$153
Tue 4/237:10 amSTL - ORD
1 stop5h 14mAmerican Airlines
Tue 4/303:20 pmORD - STL
1 stop7h 22mAmerican Airlines
Deal found 3/26$154

Non-stop flights to Chicago from St. Louis

Discover non-stop flight options from St. Louis to Chicago. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,238,496 searches. Data last updated March 28, 2024.
Consider booking one of these non-stop flights heading from St. Louis to Chicago. Users can also choose from other St. Louis to Chicago flights by using the search form above.
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/25$137
Sat 4/275:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Sun 4/288:15 amORD - STL
Nonstop1h 24mAmerican Airlines
Deal found 3/27$138
Tue 4/236:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Fri 4/263:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$139
Mon 4/296:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Fri 5/33:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/27$140
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Thu 4/251:15 pmORD - STL
Nonstop1h 20mAmerican Airlines
Deal found 3/27$158
Sun 4/216:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/293:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/26$159
Tue 5/285:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Sat 6/19:50 amORD - STL
Nonstop1h 20mAmerican Airlines
Deal found 3/26$185
Thu 4/186:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Thu 4/253:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/26$189
Wed 5/16:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 6/304:09 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/25$191

St. Louis to Chicago flights leaving soon

Find last-minute flight options from St. Louis to Chicago for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,238,496 searches. Data last updated March 28, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Chicago. Tip: verify your flight details before completing your reservation.
Thu 4/43:55 pmSTL - ORD
1 stop3h 15mMultiple Airlines
Tue 4/306:27 pmORD - STL
1 stop15h 20mMultiple Airlines
Deal found 3/26$169
Thu 4/43:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Mon 4/85:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/25$172
Thu 4/43:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Fri 4/55:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/26$173
Mon 4/19:35 amSTL - ORD
1 stop7h 05mSouthern / Mokulele
Mon 4/17:45 pmORD - STL
1 stop11h 15mSouthern / Mokulele
Deal found 3/27$177
Fri 4/53:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Sun 4/75:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/26$180
Thu 4/43:55 pmSTL - ORD
1 stop3h 15mMultiple Airlines
Mon 4/810:00 pmORD - STL
2 stops15h 40mMultiple Airlines
Deal found 3/25$183
Tue 4/29:35 amSTL - ORD
1 stop7h 05mSouthern / Mokulele
Wed 4/35:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/26$184
Mon 4/112:00 pmSTL - ORD
1 stop4h 10mSouthern / Mokulele
Mon 4/17:45 pmORD - STL
1 stop11h 15mSouthern / Mokulele
Deal found 3/26$185
Tue 4/29:35 amSTL - ORD
1 stop7h 05mSouthern / Mokulele
Wed 4/35:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/26$186

One-way flights to Chicago from St. Louis

Search for one-way flight options from St. Louis to Chicago. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,238,496 searches. Data last updated March 28, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Chicago. Users can also find round-trip St. Louis to Chicago flights by using the search form above.
Tue 4/234:50 pmSTL - ORD
1 stop8h 06mFrontier
Deal found 3/27$67
Wed 5/85:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Deal found 3/27$69
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 3/27$70
Wed 5/85:04 amSTL - ORD
1 stop5h 22mAmerican Airlines
Deal found 3/27$77
Wed 5/812:00 pmSTL - MDW
1 stop5h 06mDelta
Deal found 3/27$78
Wed 4/175:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Deal found 3/27$78
Tue 4/2311:45 amSTL - MDW
1 stop4h 39mDelta
Deal found 3/27$79
Fri 4/263:51 pmSTL - ORD
1 stop5h 30mDelta
Deal found 3/27$79
Wed 5/86:11 amSTL - MDW
2 stops6h 29mDelta
Deal found 3/27$83

Find flights from St. Louis to Chicago within your budget

Customize your flight search to find flights from St. Louis to Chicago 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 3,238,496 searches. Data last updated March 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$137 - $245

Route

Depart

Return

Price

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Sat 4/27

Nonstop1h 15m

Chicago O'Hare Intl

Sat 5/4

Nonstop1h 15m

$137

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Sat 4/27

Nonstop1h 15m

Chicago O'Hare Intl

Sun 4/28

Nonstop1h 24m

$138

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Tue 4/23

Nonstop1h 19m

Chicago O'Hare Intl

Fri 4/26

Nonstop1h 14m

$139

Lambert-St LouisChicago Midway

STL - MDW

STLMDW

Lambert-St Louis

Sat 4/27

1 stop4h 34m

Chicago Midway

Sun 4/28

1 stop4h 21m

$157

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Tue 4/16

1 stop8h 06m

Chicago O'Hare Intl

Tue 4/23

1 stop7h 35m

$166

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 4/29

1 stop21h 50m

Chicago O'Hare Intl

Fri 5/3

1 stop15h 55m

$172

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Sat 4/13

2 stops9h 26m

Chicago O'Hare Intl

Mon 4/15

2 stops15h 44m

$212

Lambert-St LouisChicago Midway

STL - MDW

STLMDW

Lambert-St Louis

Thu 4/25

1 stop12h 37m

Chicago Midway

Thu 5/2

1 stop13h 17m

$238

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Sat 4/20

Nonstop1h 26m

Chicago O'Hare Intl

Wed 4/24

Nonstop1h 22m

$245

Flights are sorted by cheapest first

Deals found on 3/27

When is the best time to book a flight from St. Louis to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Chicago. Price data was last updated on January 28, 2024.
The price you pay for your flight from St. Louis to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from St. Louis to Chicago?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Chicago. Price data was last updated on March 24, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Chicago flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Chicago by month

Plan your trip from St. Louis to Chicago by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Chicago is currently $76 while a round-trip flight costs $178. Price data was last updated on March 24, 2024.

Currently, February is the cheapest month in which you can book a flight from St. Louis to Chicago (average of $245). Flying from St. Louis to Chicago in June is currently the most expensive (average of $361). 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.

January

$248

February

$245

March

$280

April

$286

May

$291

June

$361

July

$336

August

$277

September

$258

October

$248

November

$270

December

$248

Temperature and rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average temperature and rainfall totals by month.

CHI

Temperature

23 - 73.4 °F

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated March 28, 2024.
Peruse reviews from past customers who have flown with Spirit Airlines, American Airlines and Southern / Mokulele from St. Louis to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,332 reviews

Crew

8.8

Comfort

8.1

Entertainment

7.9

Boarding

8.3

Food

7.4

Overall

8.2

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,332 reviews
Southwest
8.2
Very good
6,332 reviews

Crew

8.8

Comfort

8.1

Entertainment

7.9

Boarding

8.3

Food

7.4

Overall

8.2

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
9,126 reviews
Southwest
8.2
Very good
6,332 reviews

Crew

8.8

Comfort

8.1

Entertainment

7.9

Boarding

8.3

Food

7.4

Overall

8.2

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
11,418 reviews
Southwest
8.2
Very good
6,332 reviews

Crew

8.8

Comfort

8.1

Entertainment

7.9

Boarding

8.3

Food

7.4

Overall

8.2

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.4
Good
11,481 reviews
Southwest
8.2
Very good
6,332 reviews

Crew

8.8

Comfort

8.1

Entertainment

7.9

Boarding

8.3

Food

7.4

Overall

8.2

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Chicago. 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 from for flights from St. Louis to Chicago?

    If you book a flight to Chicago from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 53 flights from Lambert-St Louis to Chicago per day from 5 different airlines.

  • Can I find flights from St. Louis to Chicago for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Chicago for under $200. The cheapest flight booked recently is on American Airlines for just $137, but on average you can expect to pay $153.

  • Are there nonstop flights from St. Louis to Chicago for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Chicago under $200. A good price for a nonstop flight from St. Louis to Chicago is less than $201.

  • Are there last-minute flights available from St. Louis to Chicago for under $200?

    There are currently 20+ open flights from St. Louis to Chicago within the next 7 days for less than $200.

  • What days are nonstop flights available from St. Louis to Chicago?

    Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from St. Louis to Chicago on average per day?

    Per day, 74 flights depart from St. Louis to Chicago on average.
    Early Morning (Midnight to 6am) - 3% of flight departures
    Morning (6am - Noon) - 47% of flight departures
    Afternoon (Noon - 6pm) - 43% of flight departures
    Evening (6pm - Midnight) - 7% of flight departures

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

    Departing from St. Louis to Chicago will take you 1h 15m. The distance between St. Louis and Chicago is about 259 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from St. Louis to Chicago round-trip from $137. Other airlines that can offer you cheap pricing are Delta, from $157, and Southern / Mokulele, from $172. These flights start at 49% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $67. American Airlines flights start at $69 while deals on Delta start at $78 one-way.

  • What are the most popular airlines that fly from St. Louis to Chicago?

  • What are the most reliable airlines from St. Louis to Chicago?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Chicago on time: SkyWest Airlines (89%), Emirates (89%), Copa Airlines (89%).

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

    The cheapest flight price from St. Louis to Chicago is $88. On average you can expect to pay $1,095. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $156.

  • What does STL to ORD mean?

    STL stands for Lambert-St Louis Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Chicago that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Chicago with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

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

  • Can I find deals for flights from St. Louis to Chicago that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the St. Louis to Chicago flight deals updated?

    The St. Louis to Chicago flight deals you see on this page were last updated on 3/27.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from St. Louis to Chicago

Discover the top 4 airlines that operate flights from St. Louis to Chicago. 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 3,238,496 searches. Data last updated March 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$99Average$163FlexibilityNo cancel feeOn-timeN/A
Search Southern / Mokulele flights
United AirlinesCheapest$130Average$292FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$169Average$280FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$238Average$300FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from St. Louis to Chicago by cabin class

Find flights from St. Louis to Chicago, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from St. Louis to Chicago

Find hourly flight availability from St. Louis to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2024.
11%of flight departuresEarly morningMidnight to 6 am
33%of flight departuresMorning6 am to noon
55%of flight departuresAfternoonNoon to 6 pm
1%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Chicago

Explore weekly flight availability from St. Louis to Chicago. 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 March 28, 2024.
Sunday55daily flights
Monday59daily flights
Tuesday48daily flights
Wednesday48daily flights
Thursday57daily flights
Friday59daily flights
Saturday45daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Chicago?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Chicago from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Chicago?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Chicago by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Chicago with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Chicago with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Chicago become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Chicago from St. Louis today and book when prices fit your budget.

Can I find deals on last-minute flights from St. Louis to Chicago?

Yes, you can often find last-minute deals on St. Louis to Chicago flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from St. Louis to Chicago?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from St. Louis to Chicago that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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