Cheap Flights from St. George (SGU) to St. Louis (CPS)

Popular airlines from St. George Regional Airport (SGU) to St. Louis, MO (CPS-St. Louis Downtown)

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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 $450
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $450

Frequently asked questions

How much does a flight from St. George Airport (SGU) to St. Louis Downtown Airport (CPS) cost?
Snag a cheap one-way flight or cheap return flight from St. George Airport (SGU) to St. Louis Downtown Airport (CPS) 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. George Airport (SGU) to St. Louis Downtown Airport (CPS)?
The cheapest month to fly from SGU to CPS is , when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from St. George Airport (SGU) to St. Louis Downtown Airport (CPS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SGU to CPS flight.
How many flights per day from St. George Airport (SGU) to St. Louis Downtown Airport (CPS)?
Nonstop flights from St. George Airport (SGU) to St. Louis Downtown Airport (CPS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SGU to CPS?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, carrier and other factors.*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. George Airport (SGU) to St. Louis Downtown Airport (CPS)?
To land at St. Louis Downtown Airport (CPS) on time, pick a flight that leaves St. George Airport (SGU) before 3 PM. The chance 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.
Is it cheaper to buy a plane ticket from St. George Airport (SGU) to St. Louis Downtown Airport (CPS) last-minute?
Last-minute fares from SGU to CPS are typically more expensive. To secure the lowest rates, start looking for flights as early as possible. That said, if you're flexible with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a SGU to CPS flight and hotel package?
You'll typically save money by securing a SGU to CPS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your preferred accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from St. George Airport (SGU) to St. Louis Downtown Airport (CPS)?
In most cases, you can cancel or modify your SGU to CPS flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
St. George
Destination airport
St. Louis Downtown
Distance
1275 mi

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St. George to St. Louis Flights

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

 

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

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

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