$298 Cheap Flights from Cody (COD) to St. Louis (STL)

View $298 flight on Tue, Jul 14, 2026Opens in a new window

Popular airlines from Cody, WY (COD-Yellowstone Regional) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Cody to St. Louis (COD-STL)

Prices were available within the past 7 days and start at $298 for one-way flights and $389 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $389 found 1 day ago
United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$449 Roundtrip, found 1 day ago
$449
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $449 found 1 day ago
United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$463 Roundtrip, found 1 day ago
$463
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $463 found 1 day ago
United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$469 Roundtrip, found 1 day ago
$469
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $469 found 1 day ago
United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$511 Roundtrip, found 1 day ago
$511
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $511 found 1 day ago
United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$529 Roundtrip, found 1 day ago
$529
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $529 found 1 day ago
United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$530 Roundtrip, found 1 day ago
$530
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $530 found 1 day ago
United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$543 Roundtrip, found 1 day ago
$543
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $543 found 1 day ago
United
Tue, Mar 17 - Tue, Mar 24
COD
Cody
STL
St. Louis
$549 Roundtrip, found 1 day ago
$549
Roundtrip
found 1 day ago
Select United flight, departing Tue, Mar 17 from Cody to St. Louis, returning Tue, Mar 24, priced at $549 found 1 day ago
United
Tue, Apr 7 - Tue, Apr 14
COD
Cody
STL
St. Louis
$563 Roundtrip, found 1 day ago
$563
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 7 from Cody to St. Louis, returning Tue, Apr 14, priced at $563 found 1 day ago

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Frequently asked questions

How much does a flight from Yellowstone Regional Airport (COD) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $298 or cheap return flight from $389 from Yellowstone Regional Airport (COD) 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 Yellowstone Regional Airport (COD) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from COD to STL is March, when there's less demand. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Yellowstone Regional Airport (COD) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline that'll fly you from COD to STL, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Yellowstone Regional Airport (COD) to Lambert-St. Louis Intl. Airport (STL)?
You'll have to catch a flight with a layover when traveling from Yellowstone Regional Airport (COD) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from COD to STL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Yellowstone Regional Airport (COD) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) on time, book a flight that takes off from Yellowstone Regional Airport (COD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Yellowstone Regional Airport (COD) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from COD to STL just before your journey is usually more expensive. But if there's some wiggle room with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a COD to STL flight and hotel package?
You'll typically save money by securing a COD 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 simple to manage it all in one place. After choosing your preferred flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Yellowstone Regional Airport (COD) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you're able to reschedule or cancel your COD to STL flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Yellowstone Regional
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$388
Distance
1040 mi

Book with confidence

Cody to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Cody 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 Cody 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 Cody to St. Louis in 2026. You can also book with separate airlines for your outbound and return journeys, from $298 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 Cody 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 Cody 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.

 

Cody to St. Louis Flights

*Flight schedules are subject to change.

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*Available to One Key members.