Cheap Flights from Challis (CHL) to St. Louis (STL)

Popular airlines from Challis, ID (CHL) to St. Louis Lambert Intl. Airport (STL)

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Flights from Challis (CHL) to St. Louis (STL)
Origin airport
Challis
Destination airport
Lambert-St. Louis Intl.
Distance
1289 mi

Challis to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Challis 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 Challis 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 Challis to St. Louis in 2026. 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 Challis 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 Challis 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.

 

Frequently asked questions

How much does a flight from Challis, ID (CHL) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight or cheap return flight from Challis, ID (CHL) 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 offers on this route.
What is the cheapest month to fly from Challis, ID (CHL) to Lambert-St. Louis Intl. Airport (STL)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between CHL and STL. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Challis, ID (CHL) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from CHL to STL. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Challis, ID (CHL) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily nonstop flights departing from Challis, ID (CHL) to Lambert-St. Louis Intl. Airport (STL). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from CHL to STL?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, 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 Challis, ID (CHL) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) without delays, book a flight that leaves Challis, ID (CHL) before 3 PM. The likelihood 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 Challis, ID (CHL) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until just before your departure to book your flight from CHL to STL generally means paying more. While you may come across some last-minute offers, there's no guarantee. Keep your travel schedule open for the best chance of scoring a bargain.
Is it cheaper to book a CHL to STL flight and hotel package?
You can save money by securing a CHL to STL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Challis, ID (CHL) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to cancel or reschedule your CHL to STL 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 if any costs are involved. You'll also find more details on our Customer Service portal.

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