Cheap flights from St. Louis (STL) to Chicago (CHI) from $49

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 5/1. 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
Mar 24 — Mar 311

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 19, 2024.

Popular in

May

Cheapest in

February

Round-trip from

$223

One-way from

$75
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 46% 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 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 3,145,932 searches. Data last updated March 19, 2024.
Find some of the cheapest American Airlines flights traveling from St. Louis to Chicago. Come back soon if you're not finding the exact deal you're looking for.
Wed 5/16:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/17$93
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 4/243:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/18$102
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$117
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Sun 4/217:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/18$118
Wed 5/15:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 5/17:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/17$125
Sat 4/206:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/215:30 amORD - STL
1 stop4h 43mAmerican Airlines
Deal found 3/18$126
Wed 4/105:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 4/173:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/18$127
Wed 4/175:15 amSTL - ORD
1 stop7h 09mAmerican Airlines
Wed 4/2410:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/18$129
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:20 pmORD - STL
1 stop7h 22mAmerican Airlines
Deal found 3/17$136
  • 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 $237.84 RT. This price is typically 39% more expensive than other airlines that offer St. Louis to Chicago flights. When booking this route, the cheapest RT price found was $235. 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 4% more popular than any other airline flying that same route.

Cheap United Airlines flights from St. Louis to Chicago

Explore cheap flight options specifically provided by United 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 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from St. Louis to Chicago. Make sure to examine the flight information before completing your reservation.
Tue 4/3011:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Wed 5/17:45 pmORD - STL
Nonstop1h 30mUnited Airlines
Deal found 3/17$97
Wed 4/176:00 amSTL - ORD
Nonstop1h 31mUnited Airlines
Wed 4/242:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/18$99
Tue 5/711:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Sun 5/262:20 pmORD - STL
Nonstop1h 21mUnited Airlines
Deal found 3/18$158
Sat 4/276:00 amSTL - ORD
Nonstop1h 31mUnited Airlines
Tue 4/3012:57 pmORD - STL
Nonstop1h 26mUnited Airlines
Deal found 3/18$159
Tue 4/3011:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Sun 6/22:20 pmORD - STL
Nonstop1h 21mUnited Airlines
Deal found 3/17$171
Thu 4/256:00 amSTL - ORD
Nonstop1h 31mUnited Airlines
Thu 4/2512:57 pmORD - STL
Nonstop1h 26mUnited Airlines
Deal found 3/18$173
Mon 5/65:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Thu 5/3012:50 pmORD - STL
Nonstop1h 24mUnited Airlines
Deal found 3/18$178
Sat 4/208:05 amSTL - ORD
Nonstop1h 31mUnited Airlines
Sun 5/1212:57 pmORD - STL
Nonstop1h 26mUnited Airlines
Deal found 3/18$179
Tue 5/711:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Tue 5/2812:50 pmORD - STL
Nonstop1h 24mUnited Airlines
Deal found 3/18$202
  • If you’re traveling from St. Louis to Chicago, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $292.05 RT. This price is typically 33% more expensive than other airlines that offer St. Louis to Chicago flights. When booking this route, the cheapest RT price found was $133. 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, United 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 3,145,932 searches. Prices were last updated on March 19, 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
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$97
Tue 4/305:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Wed 5/17:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/18$99
Mon 4/85:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Tue 4/92:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/17$107
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$108
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$117
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/217:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/17$118
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$125
Sat 4/206:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/215:30 amORD - STL
1 stop4h 43mAmerican Airlines
Deal found 3/18$126
Wed 4/105:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Wed 4/173:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/18$127

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 3,145,932 searches. Data last updated March 19, 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 5/16:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/17$93
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$97
Tue 4/305:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Wed 5/17:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/18$99
Mon 4/85:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Tue 4/92:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/17$107
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$108
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$117
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/217:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/17$118
Wed 4/245:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$125
Sat 4/206:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/215:30 amORD - STL
1 stop4h 43mAmerican Airlines
Deal found 3/18$126

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 3,145,932 searches. Data last updated March 19, 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 5/16:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Wed 5/110:08 amORD - STL
Nonstop1h 23mAmerican Airlines
Deal found 3/17$93
Wed 4/246:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 5/263:04 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/16$97
Tue 4/305:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Wed 5/17:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/18$99
Mon 4/85:25 pmSTL - ORD
Nonstop1h 20mUnited Airlines
Tue 4/92:24 pmORD - STL
Nonstop1h 22mUnited Airlines
Deal found 3/17$107
Sat 4/205:25 pmSTL - ORD
Nonstop1h 15mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$108
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Mon 4/223:08 pmORD - STL
Nonstop1h 14mAmerican Airlines
Deal found 3/17$117
Wed 4/176:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Sun 4/217:14 pmORD - STL
Nonstop1h 15mAmerican Airlines
Deal found 3/17$118
Fri 4/2611:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Sun 4/2812:57 pmORD - STL
Nonstop1h 26mUnited Airlines
Deal found 3/17$128
Fri 7/56:13 pmSTL - ORD
Nonstop1h 20mAmerican Airlines
Tue 7/94:09 pmORD - STL
Nonstop1h 13mAmerican Airlines
Deal found 3/17$137

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 3,145,932 searches. Data last updated March 19, 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 3/283:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Sun 3/315:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/16$176
Mon 3/253:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Fri 3/295:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/17$180
Sat 3/239:35 amSTL - ORD
1 stop7h 05mSouthern / Mokulele
Tue 3/265:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/17$183
Sat 3/239:35 amSTL - ORD
1 stop7h 05mSouthern / Mokulele
Wed 3/275:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/18$184
Tue 3/263:55 pmSTL - ORD
1 stop15h 30mSouthern / Mokulele
Thu 3/285:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/18$186
Mon 3/253:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Thu 3/285:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/17$187
Sat 3/239:35 amSTL - ORD
1 stop21h 50mSouthern / Mokulele
Sun 3/247:45 pmORD - STL
1 stop24h 35mSouthern / Mokulele
Deal found 3/18$197
Sun 3/243:55 pmSTL - ORD
1 stop3h 15mSouthern / Mokulele
Sun 3/315:15 pmORD - STL
1 stop3h 05mSouthern / Mokulele
Deal found 3/17$198
Tue 3/262:25 pmSTL - ORD
2 stops18h 01mMultiple Airlines
Wed 3/275:15 pmORD - STL
1 stop3h 05mMultiple Airlines
Deal found 3/18$234

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 3,145,932 searches. Data last updated March 19, 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.
Wed 5/111:10 amSTL - ORD
Nonstop1h 21mUnited Airlines
Deal found 3/17$49
Wed 5/225:55 amSTL - ORD
Nonstop1h 16mAmerican Airlines
Deal found 3/18$50
Fri 4/126:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 3/18$59
Tue 4/304:50 pmSTL - ORD
1 stop8h 06mFrontier
Deal found 3/18$69
Fri 4/196:05 amSTL - ORD
Nonstop1h 19mAmerican Airlines
Deal found 3/18$70
Tue 4/28:24 pmSTL - ORD
1 stop15h 37mMultiple Airlines
Deal found 3/18$75
Wed 5/15:15 amSTL - ORD
1 stop5h 00mAmerican Airlines
Deal found 3/17$77
Wed 4/105:15 amSTL - ORD
1 stop7h 09mAmerican Airlines
Deal found 3/18$78
Tue 4/96:30 amSTL - MDW
1 stop6h 15mDelta
Deal found 3/18$79

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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$93 - $176

Route

Depart

Return

Price

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Wed 5/1

Nonstop1h 19m

Chicago O'Hare Intl

Wed 5/1

Nonstop1h 23m

$93

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Tue 4/30

Nonstop1h 21m

Chicago O'Hare Intl

Wed 5/1

Nonstop1h 30m

$97

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Wed 4/17

Nonstop1h 31m

Chicago O'Hare Intl

Wed 4/24

Nonstop1h 22m

$99

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Tue 4/23

1 stop8h 06m

Chicago O'Hare Intl

Wed 5/15

1 stop8h 10m

$152

Lambert-St LouisChicago Midway

STL - MDW

STLMDW

Lambert-St Louis

Sat 4/27

1 stop5h 29m

Chicago Midway

Tue 4/30

1 stop5h 00m

$156

Lambert-St LouisChicago Midway

STL - MDW

STLMDW

Lambert-St Louis

Wed 4/10

Nonstop1h 05m

Chicago Midway

Thu 4/11

Nonstop1h 10m

$174

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Mon 4/1

1 stop3h 15m

Chicago O'Hare Intl

Wed 4/3

1 stop7h 22m

$174

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Tue 4/9

1 stop7h 05m

Chicago O'Hare Intl

Sat 4/13

1 stop14h 05m

$175

Lambert-St LouisChicago O'Hare Intl

STL - ORD

STLORD

Lambert-St Louis

Thu 4/11

1 stop15h 14m

Chicago O'Hare Intl

Mon 4/15

1 stop12h 19m

$176

Flights are sorted by cheapest first

Deals found on 3/17

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 17, 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 $67 while a round-trip flight costs $144. Price data was last updated on March 10, 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

$288

May

$292

June

$361

July

$338

August

$276

September

$258

October

$248

November

$271

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 19, 2024.
Peruse reviews from past customers who have flown with American Airlines, United Airlines and Frontier 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
6,382 reviews

Comfort

8.1

Entertainment

7.9

Overall

8.2

Crew

8.8

Food

7.4

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,382 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Entertainment

7.9

Overall

8.2

Crew

8.8

Food

7.4

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
11,551 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Entertainment

7.9

Overall

8.2

Crew

8.8

Food

7.4

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.4
Good
11,602 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Entertainment

7.9

Overall

8.2

Crew

8.8

Food

7.4

Boarding

8.3

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.3
Good
15,312 reviews
Southwest
8.2
Very good
6,382 reviews

Comfort

8.1

Entertainment

7.9

Overall

8.2

Crew

8.8

Food

7.4

Boarding

8.3

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 $100 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Chicago for under $100. The cheapest flight booked recently is on American Airlines for just $93, but on average you can expect to pay $131.

  • Are there nonstop flights from St. Louis to Chicago for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Chicago under $100. A good price for a nonstop flight from St. Louis to Chicago is less than $135.

  • 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: Tuesday, Wednesday, Friday, Saturday.

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

    Per day, 17 flights depart from St. Louis to Chicago on average.
    Morning (6am - Noon) - 41% of flight departures
    Afternoon (Noon - 6pm) - 41% of flight departures
    Evening (6pm - Midnight) - 18% of flight departures

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

    Departing from St. Louis to Chicago will take you 1h 19m. 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 $93. Other airlines that can offer you cheap pricing are United Airlines, from $97, and Frontier, from $152. These flights start at 65% 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 United Airlines, which is currently one of the cheapest options available, starting at $49. American Airlines flights start at $50 while deals on Frontier start at $69 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 $1,045. The most popular route, (Lambert-St Louis - Chicago O'Hare Intl), can usually be booked for $136.

  • 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.

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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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Southern / MokuleleCheapest$99Average$161FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$133Average$292FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$169Average$279FlexibilityNo cancel feeOn-time71%
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DeltaCheapest$238Average$300FlexibilityNo cancel feeOn-timeN/A
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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 19, 2024.
14%of flight departuresEarly morningMidnight to 6 am
28%of flight departuresMorning6 am to noon
56%of flight departuresAfternoonNoon to 6 pm
2%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 19, 2024.
Sunday55daily flights
Monday59daily flights
Tuesday48daily flights
Wednesday48daily flights
Thursday57daily flights
Friday59daily flights
Saturday45daily flights

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