
Popular airlines from Chicago O'Hare International Airport (ORD) to Lambert-St. Louis International Airport (STL)
- Southern Airways
Southern Airways
- American Airlines
American Airlines
- United
United
- Delta
Delta
- 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 ฿2,265 for one-way flights and ฿7,930 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, 26 Aug - Sat, 30 Aug
ORD
Chicago
STL
St. Louis
฿7,930 Return, found 5 days ago
฿7,930
Return
found 5 days ago

Thu, 28 Aug - Fri, 29 Aug
ORD
Chicago
STL
St. Louis
฿7,945 Return, just found
฿7,945
Return
just found

Tue, 26 Aug - Sat, 30 Aug
ORD
Chicago
STL
St. Louis
฿8,115 Return, found 5 days ago
฿8,115
Return
found 5 days ago

Tue, 26 Aug - Sat, 30 Aug
ORD
Chicago
STL
St. Louis
฿8,595 Return, found 5 days ago
฿8,595
Return
found 5 days ago

Tue, 26 Aug - Sat, 30 Aug
ORD
Chicago
STL
St. Louis
฿8,780 Return, found 5 days ago
฿8,780
Return
found 5 days ago

Tue, 26 Aug - Sat, 30 Aug
ORD
Chicago
STL
St. Louis
฿8,920 Return, found 5 days ago
฿8,920
Return
found 5 days ago

Tue, 26 Aug - Sat, 30 Aug
ORD
Chicago
STL
St. Louis
฿8,950 Return, found 5 days ago
฿8,950
Return
found 5 days ago

Thu, 28 Aug - Fri, 29 Aug
ORD
Chicago
STL
St. Louis
฿13,100 Return, just found
฿13,100
Return
just found

Thu, 28 Aug - Fri, 29 Aug
ORD
Chicago
STL
St. Louis
฿15,045 Return, just found
฿15,045
Return
just found

Thu, 28 Aug - Fri, 29 Aug
ORD
Chicago
STL
St. Louis
฿18,250 Return, just found
฿18,250
Return
just found
Find the cheapest month to fly from Chicago (ORD) to St. Louis (STL)
September is typically the cheapest month to fly
From ฿2,495 - ฿10,081 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 | ฿7,930 |
Distance | 413 km |
Average flight time | 1 hour 22 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 St. Louis, 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 ฿2,265 and roundtrip prices from ฿7,930. 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 St. Louis 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 ORD to STL travel arrangements today and embark on the journey of a lifetime in St. Louis.
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