$181 Cheap Flights from St. Louis (STL) to Stillwater (SWO)

View $181 flight on Sun, Jan 25, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Stillwater, OK (SWO-Stillwater Regional)

  • 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

Cheap Flights from St. Louis to Stillwater (STL-SWO)

Prices were available within the past 7 days and start at $181 for one-way flights and $361 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Feb 17 - Thu, Feb 19
STL
St. Louis
SWO
Stillwater
$361 Roundtrip, found 6 days ago
$361
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Feb 17 from St. Louis to Stillwater, returning Thu, Feb 19, priced at $361 found 6 days ago
American Airlines
Tue, Apr 7 - Thu, Apr 9
STL
St. Louis
SWO
Stillwater
$421 Roundtrip, found 3 days ago
$421
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Apr 7 from St. Louis to Stillwater, returning Thu, Apr 9, priced at $421 found 3 days ago
American Airlines
Tue, Apr 7 - Tue, Apr 14
STL
St. Louis
SWO
Stillwater
$426 Roundtrip, found 3 days ago
$426
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Apr 7 from St. Louis to Stillwater, returning Tue, Apr 14, priced at $426 found 3 days ago
American Airlines
Sat, Apr 11 - Wed, Apr 15
STL
St. Louis
SWO
Stillwater
$440 Roundtrip, found 3 days ago
$440
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Apr 11 from St. Louis to Stillwater, returning Wed, Apr 15, priced at $440 found 3 days ago
American Airlines
Sat, Apr 11 - Tue, Apr 14
STL
St. Louis
SWO
Stillwater
$445 Roundtrip, found 3 days ago
$445
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Apr 11 from St. Louis to Stillwater, returning Tue, Apr 14, priced at $445 found 3 days ago
American Airlines
Tue, Apr 7 - Tue, Apr 14
STL
St. Louis
SWO
Stillwater
$450 Roundtrip, found 3 days ago
$450
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Apr 7 from St. Louis to Stillwater, returning Tue, Apr 14, priced at $450 found 3 days ago
American Airlines
Tue, Apr 7 - Sat, Apr 11
STL
St. Louis
SWO
Stillwater
$455 Roundtrip, found 3 days ago
$455
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Apr 7 from St. Louis to Stillwater, returning Sat, Apr 11, priced at $455 found 3 days ago
American Airlines
Fri, Mar 6 - Sun, Mar 8
STL
St. Louis
SWO
Stillwater
$468 Roundtrip, found 6 days ago
$468
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Mar 6 from St. Louis to Stillwater, returning Sun, Mar 8, priced at $468 found 6 days ago
American Airlines
Sat, Apr 11 - Tue, Apr 14
STL
St. Louis
SWO
Stillwater
$469 Roundtrip, found 3 days ago
$469
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Apr 11 from St. Louis to Stillwater, returning Tue, Apr 14, priced at $469 found 3 days ago
American Airlines
Sun, Mar 8 - Tue, Mar 10
STL
St. Louis
SWO
Stillwater
$470 Roundtrip, found 6 days ago
$470
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Mar 8 from St. Louis to Stillwater, returning Tue, Mar 10, priced at $470 found 6 days ago
American Airlines
Mon, Apr 6 - Tue, Apr 14
STL
St. Louis
SWO
Stillwater
$479 Roundtrip, found 3 days ago
$479
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Apr 6 from St. Louis to Stillwater, returning Tue, Apr 14, priced at $479 found 3 days ago
American Airlines
Mon, Apr 6 - Sat, Apr 11
STL
St. Louis
SWO
Stillwater
$484 Roundtrip, found 3 days ago
$484
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Apr 6 from St. Louis to Stillwater, returning Sat, Apr 11, priced at $484 found 3 days ago
American Airlines
Fri, Mar 6 - Sun, Mar 8
STL
St. Louis
SWO
Stillwater
$495 Roundtrip, found 6 days ago
$495
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Mar 6 from St. Louis to Stillwater, returning Sun, Mar 8, priced at $495 found 6 days ago
American Airlines
Sat, Feb 14 - Wed, Feb 25
STL
St. Louis
SWO
Stillwater
$497 Roundtrip, found 6 days ago
$497
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Feb 14 from St. Louis to Stillwater, returning Wed, Feb 25, priced at $497 found 6 days ago
American Airlines
Sun, Mar 8 - Mon, Mar 9
STL
St. Louis
SWO
Stillwater
$499 Roundtrip, found 6 days ago
$499
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Mar 8 from St. Louis to Stillwater, returning Mon, Mar 9, priced at $499 found 6 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO) cost?
Grab a cheap one-way flight from $181 or cheap return flight from $361 from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO) 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 Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO)?
Planning your trip for February is a good way to save, as it's the cheapest month for flights between STL and SWO. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to SWO. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to SWO?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Stillwater from Lambert-St. Louis Intl. Airport (STL)?
Explore your flight options from Lambert-St. Louis Intl. Airport (STL) to Will Rogers World Airport (OKC). This is the only Stillwater airport you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO) last-minute?
Waiting until just before your departure to book a ticket from STL to SWO generally means paying more. Although you may find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a STL to SWO flight and hotel package?
Securing a STL to SWO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Stillwater Regional Airport (SWO)?
If you reserved your STL to SWO flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type 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, head to our Customer Service portal for more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Stillwater Regional
Roundtrip price
$360
Distance
409 mi

Book with confidence

St. Louis to Stillwater Flights

The cheapest times to fly from St. Louis to Stillwater

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

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Stillwater: 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 St. Louis to Stillwater

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 St. Louis to Stillwater in 2025. You can also book with separate airlines for your outbound and return journeys, from $181 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 St. Louis to Stillwater 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 St. Louis to Stillwater 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.

 

St. Louis to Stillwater Flights

Explore a world of travel with Expedia

*Available to One Key members.