
Popular airlines from Chicago O'Hare International Airport (ORD) to Lambert-St. Louis International Airport (STL)
- Southern Airways
Southern Airways
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- Alaska Airlines
Alaska Airlines
- Plan, book, fly with confidence
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Cheap Flights from Chicago (ORD) to St. Louis (STL)
Prices were available within the past 7 days and start at ฿3,290 for one-way flights and ฿6,170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,170 Return, found 1 day ago
฿6,170
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,315 Return, found 1 day ago
฿6,315
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,355 Return, found 1 day ago
฿6,355
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,580 Return, found 1 day ago
฿6,580
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,725 Return, found 1 day ago
฿6,725
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,730 Return, found 1 day ago
฿6,730
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,870 Return, found 1 day ago
฿6,870
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,870 Return, found 1 day ago
฿6,870
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿6,910 Return, found 1 day ago
฿6,910
Return
found 1 day ago

Sun, 24 Aug - Thu, 4 Sep
ORD
Chicago
STL
St. Louis
฿8,060 Return, found 1 day ago
฿8,060
Return
found 1 day ago
Find the cheapest month to fly from Chicago (ORD) to St. Louis (STL)
September is typically the cheapest month to fly
From ฿2,723 - ฿9,894 per traveller.
Graph displaying average flight prices per month
Origin airport | O'Hare Intl. |
Destination airport | Lambert-St. Louis Intl. |
Airlines serving | American Airlines, Delta, Southern Airways Express, United |
Return price | ฿6,170 |
Distance | 413 km |
Average flight time | 1 hour 18 mins |
Perfect flights from Chicago to St. Louis
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Chicago to St. Louis. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible O'Hare Intl. to Lambert-St. Louis Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,290 and roundtrip prices from ฿6,170. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Lambert-St. Louis Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in St. Louis.
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