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

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Flights from Chicago (PWK) to St. Louis (STL)
Origin airport
Chicago Executive
Destination airport
Lambert-St. Louis Intl.
Distance
426 km

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

Is it cheaper to buy a plane ticket from PWK to STL last minute?
When it's time to book your flights, being prepared pays off. While you could pick up a last-minute deal on a Chicago Executive Airport to STL flight, prices 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 trips it's between three and four months.
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 choices when taking off from Chicago to St. Louis. Around 19 kilometers northwest of the heart of St. Louis, Lambert-St. Louis Intl. Airport (STL) is the city's main entry point. Take into account factors such as flight departure and arrival times and the distance to your hotel before choosing an airport. Busch Stadium and Gateway Arch are a couple of terrific attractions to visit when you reach your destination.
Can I change the date of my flight from PWK to STL?
Make changes quickly to your Chicago Executive Airport to Lambert Field flight via the Expedia Trips portal. Before you make any amendments, review the rules and conditions in your itinerary to learn what you can do and whether fees apply. Some airlines have a change fee per person, in addition to any difference in airfares. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also browse our Customer Service portal for more info and to chat with our Virtual Agent.