
Popular airlines from Chicago O'Hare International Airport (ORD) to Lambert-St. Louis International Airport (STL)
- Nok Air
Nok Air
- Thai AirAsia
Thai AirAsia
- Thai Airways International
Thai Airways International
- Thai AirAsia X
Thai AirAsia X
- Hong Kong Airlines
Hong Kong Airlines
- AirAsia
AirAsia
- Scoot
Scoot
- 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 ฿2,245 for one-way flights and ฿5,770 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 27 Aug - Thu, 28 Aug
ORD
Chicago
STL
St. Louis
฿5,770 Return, found 6 days ago
฿5,770
Return
found 6 days ago

Wed, 27 Aug - Thu, 28 Aug
ORD
Chicago
STL
St. Louis
฿6,195 Return, found 6 days ago
฿6,195
Return
found 6 days ago

Wed, 27 Aug - Thu, 28 Aug
ORD
Chicago
STL
St. Louis
฿6,520 Return, found 6 days ago
฿6,520
Return
found 6 days ago

Wed, 27 Aug - Thu, 28 Aug
ORD
Chicago
STL
St. Louis
฿6,600 Return, found 6 days ago
฿6,600
Return
found 6 days ago

Wed, 27 Aug - Thu, 28 Aug
ORD
Chicago
STL
St. Louis
฿7,175 Return, found 6 days ago
฿7,175
Return
found 6 days ago

Thu, 7 Aug - Mon, 11 Aug
ORD
Chicago
STL
St. Louis
฿7,315 Return, found 6 days ago
฿7,315
Return
found 6 days ago

Wed, 27 Aug - Thu, 28 Aug
ORD
Chicago
STL
St. Louis
฿7,645 Return, found 6 days ago
฿7,645
Return
found 6 days ago

Wed, 27 Aug - Thu, 28 Aug
ORD
Chicago
STL
St. Louis
฿7,650 Return, found 6 days ago
฿7,650
Return
found 6 days ago

Wed, 27 Aug - Thu, 28 Aug
ORD
Chicago
STL
St. Louis
฿7,870 Return, found 6 days ago
฿7,870
Return
found 6 days ago

Thu, 7 Aug - Mon, 11 Aug
ORD
Chicago
STL
St. Louis
฿7,940 Return, found 6 days ago
฿7,940
Return
found 6 days ago
Find the cheapest month to fly from Chicago (ORD) to St. Louis (STL)
August is typically the cheapest month to fly
From ฿2,964 - ฿7,279 per traveller.
Graph displaying average flight prices per month
Origin airport | O'Hare Intl. |
Destination airport | Lambert-St. Louis Intl. |
Return price | ฿5,770 |
Distance | 413 km |
Average flight time | 1 hour 21 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 ฿2,245 and roundtrip prices from ฿5,770. 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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