Cheap Flights from St. Louis (XLS) to St. Louis (STL)

Popular airlines from St. Louis (XLS) to St. Louis Lambert Intl. Airport (STL)

Frequently asked questions

How much does a flight from St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL) cost?
Grab a cheap one-way flight or cheap return flight from St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL)?
Flying in is a great way to save, as it's the cheapest month for flights between XLS and STL. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from XLS to STL. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily direct flights available from St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from XLS to STL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, such as the season 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 St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL)?
To touch down at Lambert-St. Louis Intl. Airport (STL) on schedule, select a flight that leaves from St. Louis (XLS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your trip to book a flight from XLS to STL often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book a XLS to STL flight and hotel package?
You'll generally save money by booking a XLS to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from St. Louis (XLS) to Lambert-St. Louis Intl. Airport (STL)?
It's generally possible to reschedule or cancel your XLS to STL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
St. Louis
Destination airport
Lambert-St. Louis Intl.
Distance
4671 mi

Book with confidence

Book with confidence

St. Louis to St. Louis Flights

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

 

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

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

 

St. Louis to St. Louis Flights

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Explore a world of travel with Expedia

*Available to One Key members.