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

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

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Flights from Chicago (ORD) to St. Louis (STL)
Origin airport
O'Hare Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
413 km
Average flight time
1 hour 24 mins

Chicago to St. Louis Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Chicago to St. Louis offer the perfect respite. Not only does exploring St. Louis 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 Chicago to St. Louis 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 to 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 St. Louis are only a plane trip away. Book your travel arrangements with us today!

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

Frequently asked questions

How long does it take to fly from O'Hare Airport to STL?
United Airlines operates a direct flight departing from O'Hare Intl. Airport (ORD) at 2:25PM and coming in to land at Lambert-St. Louis Intl. Airport (STL) at 3:45PM — a travel time of 1 hour and 20 minutes. Pick the best seat available, pack a few things to keep you busy and the time will zip by.
Is it cheaper to buy a plane ticket from O'Hare Airport to STL last minute?
Being spontaneous is a terrific way to travel the globe, but it isn't necessarily the smartest way to score a bargain fare. It's better to book your ORD to Lambert-St. Louis Intl. Airport (STL) trip in advance rather than leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. We recommend saving that spontaneity for when you arrive in Lambert-St. Louis Intl. Airport (STL)!
What airline has the least delays from ORD to STL?
If you'd rather not be stuck at the departure gate for hours — or worse, have your vacation plans ruined due to a flight delay — pick United Airlines. Around 96% of its O'Hare Airport to Lambert Field services land on schedule. You can look up your flight status before traveling to the airport through the free Expedia App. It also delivers real-time notifications about things like gate changes, luggage carousel numbers and how to get to your hotel. Everything you need to know is in your pocket with this handy travel companion.
What airports do you fly into for St. Louis from Chicago?
Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS) are your options when flying from Chicago to St. Louis. Roughly 19 kilometers northwest of the heart of St. Louis, Lambert-St. Louis Intl. Airport (STL) is the city's main hub. Think about factors like flight arrival and departure times and the distance to your hotel before choosing your airport. Busch Stadium and Gateway Arch are two top attractions to put on your itinerary when you reach your destination.
What are the most popular departure times for flights from O'Hare Airport to Lambert Field?
For United Airlines flights making their way from O'Hare Airport to STL, the busiest time is between 6:00 PM - 7:00 PM. If you want to avoid any delays, book the earliest flight. This way you can escape the air traffic that builds up in the skyways later in the day.
Can I change the date of my flight from O'Hare Intl. Airport (ORD) to Lambert-St. Louis Intl. Airport (STL)?
You can easily make changes to your ORD to Lambert Field trip via the Expedia Trips portal. Before you amend times or dates, review the ticket rules in your itinerary to find out what the carrier will allow you to do and if charges apply. Some airlines charge a change fee per person, in addition to any difference in fares. However, if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also visit our Customer Service portal for further details and to chat with our Virtual Agent.

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