Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 321,000 hotels worldwide and 400 airlines worldwide.

Secure incredible value with Expedia's Price Guarantee.

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap STL to ORD Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Chicago

$246.40

Cheap STL to ORD Flights

Question : How often is the Lambert-St. Louis International Airport (STL) to O'Hare International Airport (ORD) route delayed?
Answer : Passengers are currently getting to their destination on schedule 71% of the time, which ranks in the 48th percentile worldwide. If a flight is delayed, though, expect an average of over half an hour added to your flight time.

Question : About how long is the flight from Saint Louis to Chicago?
Answer : Flying from STL to ORD typically takes about one hour and 22 minutes.

Question : Do some days of the week have more flight times than others?
Answer : Sunday has the greatest variety of flight times for Saint Louis to Chicago with 41. The day with the fewest number of times is Friday with 32 options.

Question : Which airline has been the most dependable in getting passengers to their destination on time?
Answer : Delta Air Lines leads the way with a 100% on-time rate. Don't spend more time waiting in an airport than you have to and stick with Delta Air Lines on this route. Perfection is hard to come by, so hopefully it continues.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Since low prices are preferred, look at Feb 15th. As of Jan 15th, it's showing the cheapest ticket sales at $146. That is 45% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.

Question : Do prices fluctuate more for this route than others?
Answer : Ranging from $141 to $836, prices for STL to ORD change less than the majority of routes in the United States. Remember, the sooner you book, the more you'll be able to save.

Question : On a daily basis, how many different flight times are available from Lambert-St. Louis International Airport (STL) to O'Hare International Airport (ORD)?
Answer : Of course the day matters, but on average, 36 different flight times exist when you fly from STL to ORD. Compared to the average route departing the United States with nine flight times, you'll have more choices than most.

St. Louis to Chicago Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to Chicago will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Chicago.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to ORD flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ORD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.