Cheap Flights from St. Louis (STL) to Chicago (ORD)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Chicago O'Hare Intl. Airport (ORD)

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Frequently asked questions

How long does it take to fly from Lambert Field to O'Hare Airport?
United Airlines has a direct flight leaving from Lambert Field at 5:35PM and touching down at O'Hare Airport at 6:55PM — a total flying time of 1 hour and 20 minutes. Lock in a seat, bring your headphones to keep you busy and enjoy the ride.
Is it cheaper to buy a plane ticket from Lambert Field to ORD last minute?
When it's time to book your flights, being prepared pays off. While it's possible to find a last-minute deal on a Lambert Field to O'Hare Airport flight, tickets usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international flights it's between three and four months.
What airline has the least delays from Lambert Field to O'Hare Intl. Airport (ORD)?
If you'd prefer not to be stuck at your gate for hours — or worse, your travel plans left in tatters because of a flight delay — choose American Airlines. Around 100% of its STL to O'Hare Airport services touch down on time. You can check your flight status before setting out for the airport through the Expedia App. It also delivers real-time notifications about other important info, like gate changes and directions to your hotel. Keep all the details in your pocket with this all-in-one travel companion.
What airports do you fly into for Chicago from St. Louis?
From St. Louis, you can connect to Chicago via O'Hare Intl. Airport (ORD), Midway Intl. Airport (MDW) and Lewis University Airport (LOT). Research which terminal works best for you before making your decision. If you pick O'Hare Intl. Airport (ORD), it's roughly 26 kilometers northwest of downtown. Use the dough you save when booking your seat with Expedia to enjoy the city's top attractions, such as Wrigley Field and Millennium Park.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to O'Hare Intl. Airport (ORD)?
For United Airlines flights heading from Lambert Field to ORD, the most popular period is between 6:00 AM - 7:00 AM. If you want to avoid delays, fly out in the morning. This gives you a better chance to miss the air traffic that accumulates as the day goes by.
Can I change the date of my flight from Lambert Field to O'Hare Airport?
It's a breeze to make changes to your STL to O'Hare Intl. Airport (ORD) trip yourself. Simply go to the Expedia Trips portal and tap "change flight." Look for new flights and secure the one that fits your new plans. You'll get an estimate of any flight change fees. You can also find your way to our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
O'Hare Intl.
Distance
413 km
Average flight time
1 hour 23 mins

Book with confidence

Book with confidence

St. Louis to Chicago Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Chicago offer the perfect respite. Not only does exploring Chicago provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Chicago may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from STL to ORD today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Chicago are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Chicago more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chicago is now!

St. Louis to Chicago Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia