Cheap Flights from Oklahoma City (OKC) to St. Louis (CPS)

Popular airlines from Will Rogers World Airport (OKC) to St. Louis, MO (CPS-St. Louis Downtown)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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 $400
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $400

Frequently asked questions

How much does a flight from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS) cost?
Secure a cheap one-way flight or cheap return flight from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS)?
The cheapest month to fly from OKC to CPS is , when there's less demand. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS)?
To find the cheapest airline flying from OKC to CPS, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS)?
You'll have to book a flight with a layover if you're traveling from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from OKC to CPS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as 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 Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS)?
Book a flight from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS) that takes off before 3 PM to reduce the risk 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.
What airports do you fly into for East St. Louis from Will Rogers World Airport (OKC)?
Browse your flight options from Will Rogers World Airport (OKC) to Lambert-St. Louis Intl. Airport (STL). This is the only airport in East St. Louis you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS) last-minute?
Last-minute bookings from OKC to CPS are generally more expensive. To secure the cheapest rates, start looking for flights well ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book an OKC to CPS flight and hotel package?
Securing an OKC to CPS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Will Rogers World Airport (OKC) to St. Louis Downtown Airport (CPS)?
If you reserved your OKC to CPS 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 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Will Rogers World
Destination airport
St. Louis Downtown
Distance
465 mi

Book with confidence

Oklahoma City to St. Louis Flights

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

 

The best time to book a flight from Oklahoma City to St. Louis

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

 

Oklahoma City to St. Louis Flights

Explore a world of travel with Expedia

*Available to One Key members.