Cheap Flights from Tulsa (TUL) to St. Louis (CPS)

Popular airlines from Tulsa International Airport (TUL) to St. Louis, MO (CPS-St. Louis Downtown)

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 $390
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $390

Frequently asked questions

How much does a flight from Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS) cost?
Snag a cheap one-way flight or cheap return flight from Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS)?
is the cheapest month to fly from TUL to CPS. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS)?
To find the cheapest airline flying from TUL to CPS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS)?
Direct flights from Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TUL to CPS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS)?
To reach St. Louis Downtown Airport (CPS) without delays, pick a flight that leaves from Tulsa Intl. Airport (TUL) 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.
What airports do you fly into for East St. Louis from Tulsa Intl. Airport (TUL)?
Compare your flight options from Tulsa Intl. Airport (TUL) to Lambert-St. Louis Intl. Airport (STL). This is the only East St. Louis airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS) last-minute?
Last-minute bookings from TUL to CPS are typically more expensive. To lock in the lowest rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, you may score a cheap ticket just before your departure.
Is it cheaper to book a TUL to CPS flight and hotel package?
Compared with arranging flights and hotels separately, booking a TUL to CPS flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Tulsa Intl. Airport (TUL) to St. Louis Downtown Airport (CPS)?
If you reserved your TUL 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 have, 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 for more information.

Travel information

Origin airport
Tulsa Intl.
Destination airport
St. Louis Downtown
Distance
355 mi

Book with confidence

Tulsa to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Tulsa 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 Tulsa 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 Tulsa 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 Tulsa 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 Tulsa 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.

 

Tulsa to St. Louis Flights

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*Available to One Key members.