Cheap Flights from Butte (BTM) to Sidney (SDY)

Popular airlines from Butte, MT (BTM-Bert Mooney) to Sidney, MT (SDY-Sidney-Richland Municipal)

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Frequently asked questions

How much does a flight from Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY) cost?
Lock in a cheap one-way flight or cheap return flight from Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY) 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 Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY)?
is the least expensive month to fly from BTM to SDY. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BTM to SDY. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY)?
There aren't any daily direct flights from Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from BTM to SDY?
You'll typically 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 Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY)?
To touch down at Sidney-Richland Municipal Airport (SDY) on schedule, pick a flight that leaves Bert Mooney Airport (BTM) 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 Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY) last-minute?
Waiting until just before your departure to book your flight from BTM to SDY often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book a BTM to SDY flight and hotel package?
You'll typically save money by booking a BTM to SDY 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 it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Bert Mooney Airport (BTM) to Sidney-Richland Municipal Airport (SDY)?
If you reserved your BTM to SDY flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
Bert Mooney
Destination airport
Sidney-Richland Municipal
Distance
411 mi

Book with confidence

Butte to Sidney Flights

The cheapest times to fly from Butte to Sidney

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

 

The best time to book a flight from Butte to Sidney

Sunday is one of the best days to book for cheap flights from Butte to Sidney: 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 Butte to Sidney

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 Butte to Sidney 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 Butte to Sidney 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 Butte to Sidney 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.

 

Butte to Sidney Flights
*Available to One Key members.