Cheap Flights from St. Louis (STL) to Alta (ALF)

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

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF) 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 Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF)?
is the cheapest month to fly from STL to ALF. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF)?
To find the cheapest airline that'll fly you from STL to ALF, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to ALF?
You'll generally 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 Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF)?
To reach Alta Airport (ALF) on time, opt for a flight that leaves Lambert-St. Louis Intl. Airport (STL) 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 Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF) last-minute?
Holding off until just before your trip to book a flight from STL to ALF generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a STL to ALF flight and hotel package?
You'll typically save money by booking a STL to ALF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Alta Airport (ALF)?
You can usually cancel or reschedule your STL to ALF flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Alta
Distance
4233 mi

Book with confidence

Book with confidence

St. Louis to Alta Flights

The cheapest times to fly from St. Louis to Alta

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

 

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

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

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 Alta 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 Alta 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 Alta 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 Alta Flights

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*Available to One Key members.