
Popular airlines from St. Louis Lambert Intl. Airport (STL) to Chicago
- Southern Airways
Southern Airways
- American Airlines
American Airlines
- United
United
- Delta
Delta
- Plan, book, fly with confidence
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Cheap flights from St. Louis to Chicago (STL-CHI)
Prices were available within the past 7 days and start at €39 for one-way flights and €81 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, 11 Aug - Sat, 23 Aug
STL
St. Louis
ORD
Chicago
€81 Return, found 2 days ago
€81
Return
found 2 days ago

Sat, 9 Aug - Mon, 11 Aug
STL
St. Louis
ORD
Chicago
€107 Return, found 5 days ago
€107
Return
found 5 days ago

Sat, 9 Aug - Mon, 11 Aug
STL
St. Louis
ORD
Chicago
€116 Return, found 5 days ago
€116
Return
found 5 days ago

Sat, 9 Aug - Mon, 11 Aug
STL
St. Louis
ORD
Chicago
€119 Return, found 5 days ago
€119
Return
found 5 days ago

Sat, 2 Aug - Mon, 4 Aug
STL
St. Louis
ORD
Chicago
€126 Return, found 2 days ago
€126
Return
found 2 days ago

Sat, 2 Aug - Mon, 4 Aug
STL
St. Louis
ORD
Chicago
€131 Return, found 2 days ago
€131
Return
found 2 days ago

Mon, 11 Aug - Sat, 23 Aug
STL
St. Louis
ORD
Chicago
€132 Return, found 2 days ago
€132
Return
found 2 days ago

Sat, 9 Aug - Mon, 11 Aug
STL
St. Louis
ORD
Chicago
€136 Return, found 5 days ago
€136
Return
found 5 days ago

Sat, 9 Aug - Mon, 11 Aug
STL
St. Louis
ORD
Chicago
€140 Return, found 5 days ago
€140
Return
found 5 days ago

Mon, 11 Aug - Sat, 23 Aug
STL
St. Louis
ORD
Chicago
€151 Return, found 2 days ago
€151
Return
found 2 days ago
Find the cheapest month to fly from St. Louis (STL) to Chicago (CHI)
August is typically the cheapest month to fly
From €77 - €199 per traveller.
Graph displaying average flight prices per month
Origin airport | Lambert-St. Louis Intl. |
Destination airport | O'Hare Intl. |
Return price | €81 |
Distance | 413 km |
Perfect flights from St. Louis to Chicago
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from St. Louis to Chicago. 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 Lambert-St. Louis Intl. to CHI-All Airports ticket options cater to your travel preferences, with incredible one-way fares from €39 and roundtrip prices from €81. 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 CHI-All Airports 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 Chicago.
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