Question 1

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

Accepted Answer

A nonstop flight from Chicago to St. Louis typically takes around 1 hour 23 minutes. This makes the nonstop service the fastest and most convenient way to travel between Chicago and St. Louis. It is worth checking flight times when searching, as they can vary by airline and travel date.

Question 2

Are there nonstop flights from Chicago to St. Louis?

Accepted Answer

Yes, there are nonstop flights from Chicago to St. Louis, averaging around 20 to 21 flights per day, operated by, among others, United Airlines, American Airlines and WN. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.

Question 3

Which airlines fly from Chicago to St. Louis?

Accepted Answer

Direct flights from Chicago to St. Louis are operated by, among others, United Airlines, American Airlines and WN. These flights take you to St. Louis nonstop, making them especially practical for short trips or weekend getaways. It is still worth comparing departure times and airline policies, as baggage rules and fees can vary.

Question 4

On which days are there nonstop flights from Chicago to St. Louis?

Accepted Answer

Nonstop flights from Chicago to St. Louis operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.

Question 5

How many flights are there per day from Chicago to St. Louis?

Accepted Answer

From Chicago to St. Louis, there are on average around 20 to 21 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.

Question 6

How many flights per week are there from Chicago to St. Louis?

Accepted Answer

From Chicago to St. Louis, there are around 143 to 144 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.

Question 7

When does the first flight from Chicago to St. Louis depart?

Accepted Answer

The earliest nonstop flight from Chicago to St. Louis usually departs at 6:30 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in St. Louis.

Question 8

When does the last flight from Chicago to St. Louis depart?

Accepted Answer

The last nonstop flight from Chicago to St. Louis usually departs at 10:55 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.

	Outbound	Return	Airlines	Baggage	Price
Chicago St. Louis	Outbound 08/20/26 1 Stopover (DTW) DL3673, DL2822 06h 16min	Return 08/25/26 1 Stopover (DTW) DL1626, DL1716 06h 38min	Delta Air Lines	?	$246
Best option Chicago St. Louis	Outbound 08/20/26 direct AA3620 01h 24min	Return 08/25/26 direct AA3568 01h 28min	American Airlines		$284
Chicago St. Louis Please note: transfer for connecting flight	Outbound 08/20/26 1 Stopover (ATL) F91596, F94473 25h 57min	Return 08/25/26 1 Stopover (ATL) F94474, F93397 25h 22min	Frontier Airlines		$250
Chicago St. Louis	Outbound 08/20/26 1 Stopover (MCO) F93044, F92635 06h 44min	Return 08/25/26 1 Stopover (MCO) F92636, F92791 07h 04min	Frontier Airlines	?	$254
Chicago St. Louis	Outbound 08/20/26 direct UA1032 01h 31min	Return 08/25/26 direct UA0567 01h 34min	United Airlines		$305
Chicago St. Louis	Outbound 08/20/26 direct UA0775 01h 33min	Return 08/25/26 direct UA0567 01h 34min	United Airlines	?	$306
Chicago St. Louis	Outbound 08/20/26 direct AA6355 01h 25min	Return 08/25/26 direct AA4259 01h 39min	American Airlines	?	$423
Chicago St. Louis	Outbound 08/20/26 1 Stopover (SEA) AS0579, AS0472 10h 56min	Return 08/25/26 4 Stopovers (CLT, MIA, SJU, MIA) AA0712, AA2768, AA1852, AA2817, AA0483 41h 41min	Alaska Airlines	?	$789
Chicago St. Louis	Outbound 08/20/26 direct AA6355 01h 25min	Return 08/25/26 direct AA4259 01h 39min	American Airlines	?	$3,008

Roundtrip from	$ 245,14
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
Departure airport - Destination country	Chicago-IL, all airports - United States

Flight Routes from Chicago to St. Louis

Our cheapest offers for flights from Chicago to St. Louis

Chicago-IL, all airports

St. Louis - Lambert International Airport

Tips and tricks to help you find cheap flights from Chicago to St. Louis

Important flight information

Frequently Asked Questions (FAQ)

Flight information: Chicago - St. Louis

Alternative routes to United States

Alternative flights to St. Louis

Flight destinations with a similar price

Flight destinations with a similar price