| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Chicago St. Louis | Outbound 09/23/25 direct UA2618 01h 24min | Return 09/30/25 direct UA4423 01h 30min |  United Airlines |  | ? | $128 | |
| Chicago St. Louis | Outbound 09/23/25 1 Stopover (UIN) 9X0488, 9X0463 03h 35min | Return 09/30/25 1 Stopover (BRL) 9X0447, 9X0444 03h 35min |  Southern Airways Express |  | $196 | ||
| Chicago St. Louis | Outbound 10/18/25 3 Stopovers (IAH, ATL, DTW) NK1150, NK3155, NK1210, NK3896 34h 56min | Return 11/17/25 2 Stopovers (DTW, EWR, LGA) NK3897, NK2318, NK0918 34h 33min |  Spirit Airlines |  | $267 | ||
| Chicago St. Louis | Outbound 09/23/25 direct UA2191 01h 24min | Return 09/30/25 direct UA4423 01h 30min | United Airlines |  | ? | $132 | |
| Chicago St. Louis | Outbound 09/23/25 direct AA1926 01h 28min | Return 09/30/25 direct AA6359 01h 29min |  American Airlines |  | ? | $133 | |
| Chicago St. Louis | Outbound 10/10/25 1 Stopover (UIN) 9X0488, 9X0467 19h 40min | Return 11/04/25 1 Stopover (UIN) 9X0460, 9X0489 18h 37min | Southern Airways Express | | ? | $172 | |
| Chicago St. Louis | Outbound 10/18/25 direct UA4416 01h 27min | Return 11/17/25 1 Stopover (UIN) 9X0460, 9X0481 03h 32min | United Airlines | | ? | $185 | |
| Chicago St. Louis | Outbound 10/18/25 direct UA4416 01h 27min | Return 11/17/25 1 Stopover (UIN) 9X0460, 9X0481 03h 32min | United Airlines |  | $204 | ||
| Chicago St. Louis | Outbound 09/23/25 direct AA1926 01h 28min | Return 09/30/25 direct AA6359 01h 29min | American Airlines |  | ? | $214 | |
| Chicago St. Louis | Outbound 10/18/25 direct AA6440 01h 19min | Return 11/17/25 1 Stopover (UIN) 9X0460, 9X0481 03h 32min | American Airlines | | ? | $223 |
Stops
- Direct flight
Airline
- United Airlines
- American Airlines
- Southern Airways Express
- Spirit Airlines
- Alaska Airlines
Tips and tricks to help you find cheap flights from Chicago to St. Louis
Favorite airline: Southern Airways Express
52 % of flights from Chicago to St. Louis are booked with Southern Airways Express.
Southern Airways Express
52 %
United Airlines
22 %
Spirit Airlines
11 %
Direct flights are cheaper
On this route, direct flights are $77.00 cheaper than flights with a stopover.
non stop flight
1 stop
01h 27min
19h 20min
$ 86
$ 163
Favourite connection: via Quincy
Stopover flights on this route are especially popular via Quincy, making up 51 % of bookings.
Route
bookings
1 stopover Quincy, IL
11h 15min, from $ 169
51 %
Direct flights
01h 27min, from $ 86
29 %
1 stopover Fort Lauderdale-Hollywood International Airport, FL
11h 42min, from $ 264
8 %
Important flight information
Flight information: Chicago - St. Louis
| Roundtrip from | $ 127,55 |
|---|---|
| Flight duration | min. 01:05 / max. 08:55 |
| Return flight duration | min. 01:00/ max. 12:10 |
| Distance | 419 km |
| Flights per week | 203 |
| Departure airport | Airport Chicago-IL, all airports (CHI) |
| Arrival airport | Airport St. Louis - Lambert International Airport (STL) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight Chicago - New York from $ 86
- Flight Chicago - Las Vegas from $ 128
- Flight Chicago - Los Angeles from $ 103
- Flight Chicago - Miami from $ 98
- Flight Chicago - San Francisco from $ 200
- Flight Chicago - Tampa from $ 126
- Flight Chicago - Denver from $ 170
- Flight Chicago - Orlando from $ 86
- Flight Chicago - New Orleans from $ 155
- Flight Chicago - Boston from $ 93
Alternative flights to St. Louis
- Flight Atlanta - St. Louis from $ 125
- Flight Los Angeles - St. Louis from $ 255
- Flight Tampa - St. Louis from $ 194
- Flight Denver - St. Louis from $ 119
- Flight Orlando - St. Louis from $ 154
- Flight Las Vegas - St. Louis from $ 189
- Flight Boston - St. Louis from $ 264
- Flight Miami - St. Louis from $ 306
- Flight Fort Myers - St. Louis from $ 224
- Flight Dallas - St. Louis from $ 177
Flight destinations with a similar price
- Flight St. Louis - Hamburg from $ 747
- Flight St. Louis - Dusseldorf from $ 800
- Flight St. Louis - Frankfurt from $ 628
- Flight St. Louis - Berlin from $ 586
- Flight St. Louis - Munich from $ 608
- Flight St. Louis - Dublin from $ 530
- Flight St. Louis - Puerto Vallarta from $ 371
- Flight St. Louis - Amsterdam from $ 562
Flight destinations with a similar price
- Flight Chicago - Las Vegas from $ 128
- Flight Chicago - Tampa from $ 126
- Flight Chicago - Minneapolis from $ 132
- Flight Chicago - Louisville from $ 128
- Flight Chicago - Toronto from $ 122
- Flight Chicago - Owensboro from $ 117