Cheap Flights from St. Louis (STL) to Spearfish (SPF)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills)

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Flights from St. Louis (STL) to Spearfish (SPF)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Black Hills
Distance
797 mi

St. Louis to Spearfish Flights

The cheapest times to fly from St. Louis to Spearfish

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

 

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

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

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 Spearfish 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 Spearfish 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 Spearfish 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 Lambert-St. Louis Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills) cost?
Secure a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills)?
is the least expensive month to fly from STL to SPF. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from STL to SPF. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills)?
You'll need to take a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from STL to SPF?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*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 Spearfish, SD (SPF-Black Hills)?
To arrive at Spearfish, SD (SPF-Black Hills) without delays, select a flight that leaves from Lambert-St. Louis Intl. Airport (STL) 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 Lambert-St. Louis Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills) last-minute?
Holding off until just before your trip to book a flight from STL to SPF often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a STL to SPF flight and hotel package?
You'll generally save money by booking a STL to SPF 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 everything in one convenient place. After selecting your ideal flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Spearfish, SD (SPF-Black Hills)?
If you reserved your STL to SPF flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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