$225 Cheap Flights from Bloomington (BMI) to St. Louis (STL)

View $225 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from Bloomington, IL (BMI-Central Illinois Regional) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Bloomington to St. Louis (BMI-STL)

Prices were available within the past 7 days and start at $225 for one-way flights and $479 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 27 - Sun, Dec 28
BMI
Bloomington
STL
St. Louis
$479 Roundtrip, found 4 hours ago
$479
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Dec 27 from Bloomington to St. Louis, returning Sun, Dec 28, priced at $479 found 4 hours ago
American Airlines
Thu, Dec 4 - Sat, Dec 20
BMI
Bloomington
STL
St. Louis
$482 Roundtrip, found 18 hours ago
$482
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, Dec 4 from Bloomington to St. Louis, returning Sat, Dec 20, priced at $482 found 18 hours ago
American Airlines
Sat, Nov 22 - Sat, Nov 29
BMI
Bloomington
STL
St. Louis
$485 Roundtrip, found 4 days ago
$485
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Nov 22 from Bloomington to St. Louis, returning Sat, Nov 29, priced at $485 found 4 days ago
American Airlines
Tue, Dec 16 - Sat, Dec 27
BMI
Bloomington
STL
St. Louis
$501 Roundtrip, found 4 days ago
$501
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Dec 16 from Bloomington to St. Louis, returning Sat, Dec 27, priced at $501 found 4 days ago
American Airlines
Mon, Nov 24 - Tue, Dec 9
BMI
Bloomington
STL
St. Louis
$502 Roundtrip, found 4 days ago
$502
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Nov 24 from Bloomington to St. Louis, returning Tue, Dec 9, priced at $502 found 4 days ago
American Airlines
Wed, Nov 5 - Tue, Nov 18
BMI
Bloomington
STL
St. Louis
$523 Roundtrip, found 4 days ago
$523
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 5 from Bloomington to St. Louis, returning Tue, Nov 18, priced at $523 found 4 days ago
American Airlines
Fri, Dec 26 - Sun, Dec 28
BMI
Bloomington
STL
St. Louis
$525 Roundtrip, found 4 hours ago
$525
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Fri, Dec 26 from Bloomington to St. Louis, returning Sun, Dec 28, priced at $525 found 4 hours ago
American Airlines
Fri, Nov 21 - Sat, Nov 29
BMI
Bloomington
STL
St. Louis
$528 Roundtrip, found 1 day ago
$528
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 21 from Bloomington to St. Louis, returning Sat, Nov 29, priced at $528 found 1 day ago
American Airlines
Wed, Dec 24 - Tue, Dec 30
BMI
Bloomington
STL
St. Louis
$541 Roundtrip, found 4 hours ago
$541
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Dec 24 from Bloomington to St. Louis, returning Tue, Dec 30, priced at $541 found 4 hours ago
Delta
Thu, Dec 25 - Sat, Jan 10
BMI
Bloomington
STL
St. Louis
$663 Roundtrip, found 4 days ago
$663
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Dec 25 from Bloomington to St. Louis, returning Sat, Jan 10, priced at $663 found 4 days ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $525
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $525

Frequently asked questions

How much does a flight from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $225 or cheap return flight from $479 from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from BMI to STL is December, when demand is low. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BMI to STL flight.
How many flights per day from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily direct flights from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from BMI to STL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL)?
Choose a flight from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until right before your break to book a flight from BMI to STL often results in higher prices. While you might find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a BMI to STL flight and hotel package?
You can save money by booking a BMI to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Central Illinois Regional Airport (BMI) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your BMI to STL flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Central Illinois Regional
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$478
Distance
142 mi

Book with confidence

Bloomington to St. Louis Flights

The cheapest times to fly from Bloomington to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bloomington to St. Louis are during the month of December. You can find some of the cheapest flights from Bloomington to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bloomington to St. Louis

Sunday is one of the best days to book for cheap flights from Bloomington to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bloomington to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bloomington to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $225 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bloomington to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bloomington to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bloomington to St. Louis Flights

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*Available to One Key members.