$133 Cheap Flights from Cape Girardeau (CGI) to St. Louis (STL)

View $133 flight on Sat, Oct 25, 2025Opens in a new window

Popular airlines from Cape Girardeau, MO (CGI-Cape Girardeau Municipal) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Cape Girardeau to St. Louis (CGI-STL)

Prices were available within the past 7 days and start at $133 for one-way flights and $302 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Contour Airlines
Wed, Oct 1 - Fri, Oct 10
CGI
Cape Girardeau
STL
St. Louis
$302 Roundtrip, found 6 days ago
$302
Roundtrip
found 6 days ago
Select Contour Airlines flight, departing Wed, Oct 1 from Cape Girardeau to St. Louis, returning Fri, Oct 10, priced at $302 found 6 days ago
Contour Airlines
Mon, Sep 29 - Fri, Oct 10
CGI
Cape Girardeau
STL
St. Louis
$314 Roundtrip, found 6 days ago
$314
Roundtrip
found 6 days ago
Select Contour Airlines flight, departing Mon, Sep 29 from Cape Girardeau to St. Louis, returning Fri, Oct 10, priced at $314 found 6 days ago
Contour Airlines
Thu, Oct 2 - Fri, Oct 10
CGI
Cape Girardeau
STL
St. Louis
$321 Roundtrip, found 6 days ago
$321
Roundtrip
found 6 days ago
Select Contour Airlines flight, departing Thu, Oct 2 from Cape Girardeau to St. Louis, returning Fri, Oct 10, priced at $321 found 6 days ago
Contour Airlines
Wed, Oct 1 - Fri, Oct 17
CGI
Cape Girardeau
STL
St. Louis
$322 Roundtrip, found 6 days ago
$322
Roundtrip
found 6 days ago
Select Contour Airlines flight, departing Wed, Oct 1 from Cape Girardeau to St. Louis, returning Fri, Oct 17, priced at $322 found 6 days ago
Contour Airlines
Fri, Oct 10 - Wed, Oct 22
CGI
Cape Girardeau
STL
St. Louis
$326 Roundtrip, found 3 days ago
$326
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Fri, Oct 10 from Cape Girardeau to St. Louis, returning Wed, Oct 22, priced at $326 found 3 days ago
Contour Airlines
Sat, Oct 4 - Fri, Oct 10
CGI
Cape Girardeau
STL
St. Louis
$331 Roundtrip, found 6 days ago
$331
Roundtrip
found 6 days ago
Select Contour Airlines flight, departing Sat, Oct 4 from Cape Girardeau to St. Louis, returning Fri, Oct 10, priced at $331 found 6 days ago
Contour Airlines
Mon, Sep 29 - Fri, Oct 17
CGI
Cape Girardeau
STL
St. Louis
$334 Roundtrip, found 6 days ago
$334
Roundtrip
found 6 days ago
Select Contour Airlines flight, departing Mon, Sep 29 from Cape Girardeau to St. Louis, returning Fri, Oct 17, priced at $334 found 6 days ago
Contour Airlines
Thu, Oct 2 - Fri, Oct 17
CGI
Cape Girardeau
STL
St. Louis
$341 Roundtrip, found 6 days ago
$341
Roundtrip
found 6 days ago
Select Contour Airlines flight, departing Thu, Oct 2 from Cape Girardeau to St. Louis, returning Fri, Oct 17, priced at $341 found 6 days ago
Contour Airlines
Mon, Sep 29 - Sat, Oct 18
CGI
Cape Girardeau
STL
St. Louis
$343 Roundtrip, found 6 days ago
$343
Roundtrip
found 6 days ago
Select Contour Airlines flight, departing Mon, Sep 29 from Cape Girardeau to St. Louis, returning Sat, Oct 18, priced at $343 found 6 days ago
Contour Airlines
Wed, Oct 8 - Wed, Oct 22
CGI
Cape Girardeau
STL
St. Louis
$345 Roundtrip, found 3 days ago
$345
Roundtrip
found 3 days ago
Select Contour Airlines flight, departing Wed, Oct 8 from Cape Girardeau to St. Louis, returning Wed, Oct 22, priced at $345 found 3 days ago

Frequently asked questions

How much does a flight from Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $133 or cheap return flight from $302 from Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from CGI to STL is October, when demand is low. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CGI to STL flight.
How many flights per day from Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily nonstop flights departing from Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from CGI to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL) route, aim to travel before 3 PM. Later flights are 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 Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from CGI to STL shortly before your getaway is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a CGI to STL flight and hotel package?
Securing a CGI to STL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cape Girardeau Municipal Airport (CGI) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your CGI to STL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Cape Girardeau Municipal
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$302
Distance
113 mi

Book with confidence

Book with confidence

Cape Girardeau to St. Louis Flights

The cheapest times to fly from Cape Girardeau 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 Cape Girardeau to St. Louis are during the month of October. You can find some of the cheapest flights from Cape Girardeau to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cape Girardeau to St. Louis

Sunday is one of the best days to book for cheap flights from Cape Girardeau 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 Cape Girardeau 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 Cape Girardeau to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $133 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 Cape Girardeau 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 Cape Girardeau 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.

 

Cape Girardeau to St. Louis Flights

Explore a world of travel with Expedia

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*Available to One Key members.