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

View $181 flight on Wed, Oct 29, 2025Opens in a new window

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

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

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
Wed, Oct 29 - Thu, Oct 30
SWO
Stillwater
STL
St. Louis
$361 Roundtrip, found 6 days ago
$361
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 29 from Stillwater to St. Louis, returning Thu, Oct 30, priced at $361 found 6 days ago
American Airlines
Wed, Oct 29 - Thu, Oct 30
SWO
Stillwater
STL
St. Louis
$421 Roundtrip, found 6 days ago
$421
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 29 from Stillwater to St. Louis, returning Thu, Oct 30, priced at $421 found 6 days ago
American Airlines
Fri, Oct 24 - Sun, Oct 26
SWO
Stillwater
STL
St. Louis
$423 Roundtrip, found 6 hours ago
$423
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Stillwater to St. Louis, returning Sun, Oct 26, priced at $423 found 6 hours ago
American Airlines
Sat, Oct 25 - Sun, Nov 2
SWO
Stillwater
STL
St. Louis
$439 Roundtrip, found 1 day ago
$439
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 25 from Stillwater to St. Louis, returning Sun, Nov 2, priced at $439 found 1 day ago
American Airlines
Thu, Oct 23 - Sun, Nov 2
SWO
Stillwater
STL
St. Louis
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 23 from Stillwater to St. Louis, returning Sun, Nov 2, priced at $440 found 1 day ago
American Airlines
Sat, Oct 11 - Sat, Oct 18
SWO
Stillwater
STL
St. Louis
$457 Roundtrip, found 1 day ago
$457
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from Stillwater to St. Louis, returning Sat, Oct 18, priced at $457 found 1 day ago
American Airlines
Thu, Oct 23 - Tue, Oct 28
SWO
Stillwater
STL
St. Louis
$458 Roundtrip, found 1 day ago
$458
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 23 from Stillwater to St. Louis, returning Tue, Oct 28, priced at $458 found 1 day ago
American Airlines
Fri, Oct 24 - Sun, Oct 26
SWO
Stillwater
STL
St. Louis
$459 Roundtrip, found 6 hours ago
$459
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Stillwater to St. Louis, returning Sun, Oct 26, priced at $459 found 6 hours ago
American Airlines
Tue, Oct 7 - Sat, Oct 18
SWO
Stillwater
STL
St. Louis
$462 Roundtrip, found 1 day ago
$462
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 7 from Stillwater to St. Louis, returning Sat, Oct 18, priced at $462 found 1 day ago
American Airlines
Tue, Oct 7 - Mon, Oct 20
SWO
Stillwater
STL
St. Louis
$463 Roundtrip, found 1 day ago
$463
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 7 from Stillwater to St. Louis, returning Mon, Oct 20, priced at $463 found 1 day ago

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 $755
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $755

Frequently asked questions

How much does a flight from Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $181 or cheap return flight from $361 from Stillwater Regional Airport (SWO) 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 Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL)?
October is the cheapest month to fly from SWO to STL. Traveling during quieter months is often the key to finding a great deal.
Which airlines fly direct from Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL)?
You can't fly nonstop from Stillwater, OK (SWO-Stillwater Regional) to Lambert-St. Louis Intl. Airport (STL). However, you can easily reach St. Louis without any layovers by leaving from Will Rogers World Airport (OKC).
What is the cheapest airline that flies from Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from SWO to STL. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily direct flights from Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from SWO to STL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Booking your flight from SWO to STL shortly before your journey is usually more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a SWO to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking a SWO to STL flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Stillwater Regional Airport (SWO) to Lambert-St. Louis Intl. Airport (STL)?
It's usually possible to cancel or reschedule your SWO to STL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

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

Book with confidence

Book with confidence

Stillwater to St. Louis Flights

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

 

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

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

 

Stillwater to St. Louis Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.