C$148 Cheap Flights from St Louis to Chicago

Compare St Louis to Chicago flight deals

Find the cheapest month or even day of the year to fly to Chicago

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Flight deals from St Louis to Chicago

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Chicago? Find the lowest prices on one-way and round-trip tickets right here.

Chicago.C$148 per passenger.Departing Wed, Dec 4, returning Thu, Dec 5.Round-trip flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departing from St Louis on Wed, Dec 4, arriving in Chicago O'Hare International.Inbound indirect flight with Southern Airways Express, departing from Chicago O'Hare International on Thu, Dec 5, arriving in St Louis.Price includes taxes and charges.From C$148, select.

Chicago.C$148 per passenger.Departing Mon, Aug 18, returning Thu, Aug 21.Round-trip flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departing from St Louis on Mon, Aug 18, arriving in Chicago O'Hare International.Inbound indirect flight with Southern Airways Express, departing from Chicago O'Hare International on Thu, Aug 21, arriving in St Louis.Price includes taxes and charges.From C$148, select.

Chicago.C$150 per passenger.Departing Wed, Jan 29, returning Sun, Feb 16.Round-trip flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departing from St Louis on Wed, Jan 29, arriving in Chicago O'Hare International.Inbound indirect flight with Southern Airways Express, departing from Chicago O'Hare International on Sun, Feb 16, arriving in St Louis.Price includes taxes and charges.From C$150, select.

Chicago.C$150 per passenger.Departing Fri, Jan 17, returning Sun, Jan 19.Round-trip flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departing from St Louis on Fri, Jan 17, arriving in Chicago O'Hare International.Inbound indirect flight with Southern Airways Express, departing from Chicago O'Hare International on Sun, Jan 19, arriving in St Louis.Price includes taxes and charges.From C$150, select.

Chicago.C$150 per passenger.Departing Fri, Feb 14, returning Sun, Feb 16.Round-trip flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departing from St Louis on Fri, Feb 14, arriving in Chicago O'Hare International.Inbound indirect flight with Southern Airways Express, departing from Chicago O'Hare International on Sun, Feb 16, arriving in St Louis.Price includes taxes and charges.From C$150, select.

Chicago.C$150 per passenger.Departing Wed, Nov 20, returning Thu, Nov 21.Round-trip flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departing from St Louis on Wed, Nov 20, arriving in Chicago O'Hare International.Inbound indirect flight with Southern Airways Express, departing from Chicago O'Hare International on Thu, Nov 21, arriving in St Louis.Price includes taxes and charges.From C$150, select.

Chicago.C$153 per passenger.Departing Fri, Nov 29, returning Thu, Dec 5.Round-trip flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departing from St Louis on Fri, Nov 29, arriving in Chicago O'Hare International.Inbound indirect flight with Southern Airways Express, departing from Chicago O'Hare International on Thu, Dec 5, arriving in St Louis.Price includes taxes and charges.From C$153, select.

Chicago.C$154 per passenger.Departing Fri, Mar 14, returning Sun, Mar 16.Round-trip flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departing from St Louis on Fri, Mar 14, arriving in Chicago O'Hare International.Inbound indirect flight with Southern Airways Express, departing from Chicago O'Hare International on Sun, Mar 16, arriving in St Louis.Price includes taxes and charges.From C$154, select.

Find the cheapest month to fly from St Louis to Chicago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Chicago flights are currently cheapest in December.

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Direct flights from St Louis to Chicago

Alternative St Louis to Chicago routes

Looking for the cheapest, fastest or easiest route from St Louis to Chicago? You could fly into the following airports instead.

St Louis to Chicago: Flight information

The things to know before you go.

Cheapest flight found	C$148
Cheapest month to fly	December
Average flight time	1 hr, 17 mins
Most popular airline	American Airlines
Average flights per week	652

Finding cheap flights from St Louis to Chicago: Frequently asked questions

How many airports are there in Chicago?

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.

How much are round-trip flights from St Louis to Chicago?

The best price we found for a round-trip flight from St Louis to Chicago is C$148. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from St Louis to Chicago?

1 hour and 17 minutes is the average flight time from St Louis to Chicago.

Which airlines fly direct from St Louis to Chicago?

American Airlines, Southwest Airlines and Alaska Airlines fly direct from St Louis to Chicago.

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

There are 652 flights per week flying from St Louis to Chicago, as of October 2024.

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

The cheapest month to fly from St Louis to Chicago is usually October 2024.

What's the cheapest airport to fly to in Chicago?

If you're flying from St Louis Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.4 km away from the center of Chicago. We've found flights to this airport from C$148.

Which upcoming date is cheapest to fly from St Louis Airport to Chicago on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Chicago on Wednesday, December 4, 2024.

Can I get a direct flight from St Louis Airport to Chicago?

Yes – the average flight time is 1 hour and 17 minutes.

How can I get the best flight deal from St Louis Airport to Chicago?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Chicago?

In October, the average temperature is usually around 11°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.

Which is the cheapest airline to fly with from St Louis Airport to Chicago?

Currently, Southern Airways Express and United offer the cheapest flight tickets to Chicago.

How to find cheap flights to Chicago from St Louis

Looking for cheap tickets from St Louis to Chicago? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from St Louis to Chicago. And with us, there are no hidden fees – what you see is what you pay.
Compare flight deals to Chicago from St Louis from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
Flex your dates to find the best St Louis–Chicago ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Chicago from St Louis.
Set up a Price Alert. You can easily track the fare of your cheap St Louis–Chicago flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between St Louis and Chicago? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business Class flights from St Louis and Chicago. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Chicago, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for St Louis to Chicago flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

Combine your flight to Chicago from St Louis with hotels and car rental

Once you've secured your cheap flight ticket from St Louis to Chicago, discover the best prices and exclusive rates for hotels in Chicago or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.