CA $129 Cheap Flights from Chicago (ORD) to St. Louis (STL)

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Cheap flights from Chicago (ORD) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $129 for one-way flights and CA $165 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Southern Airways Express
Frontier Airlines
Frontier Airlines
Southern Airways Express
Frontier Airlines
American Airlines
Southern Airways Express
Southern Airways Express
Southern Airways Express
Flight from Chicago to St. Louis (ORD - STL) route information
Origin airport
O'Hare Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southern Airways Express
Roundtrip price
CA $164
Distance
413 km

Chicago to St. Louis Flights

The easy way to book your flights from Chicago to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, Qatar Airways, JAL, Air Canada, Aer Lingus, Emirates, Air New Zealand, United Airlines, Alaska Airlines, Avianca, Cathay Pacific, Iberia, ANA, Lufthansa, Gulf Air, British Airways nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from O'Hare Intl., ORD to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Chicago to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Chicago currently is just CA $165 rising to CA $229.  

Here are more money-saving tips: 

  • Fly in January when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from ORD to STL?
The lowest price advertised for a round-trip flight between O’Hare Intl. Airport (ORD) and STL is CA $165. But you better act quick. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Intl. Airport (ORD) to St. Louis Lambert International Airport?
When it comes to cancellation fees, every airline has its own terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from O'Hare Intl. Airport (ORD) to STL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for O’Hare Intl. Airport (ORD) to St. Louis Lambert International Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from O'Hare Airport to Lambert Field?
You might not get through a whole movie on this flight — it’s just 420 kilometers from Chicago to St. Louis. Sit down, order a snack and you’ll be in St. Louis in no time.
Which airlines fly direct from O'Hare Airport to St. Louis Lambert International Airport?
United Airlines (UA) is one of the preferred choices for many travelers flying between ORD and St. Louis Lambert International Airport. Choose from the 208 flights it offers on this route each month. Operating 117 flights a month on this route, American Airlines (AA) is another good choice.
Are O'Hare Intl. Airport (ORD) to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from O’Hare Intl. Airport (ORD) to St. Louis Lambert International Airport can be hit-or-miss. It is possible to find a bargain, but then again, you could miss out! If you’d prefer to play it safe and start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines advertise their prices that far in advance. Our suggestion? Check back often as updates are made frequently.
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