$379 Cheap Flights from Flint (FNT) to Sidney (SDY)

View $379 flight on Thu, Oct 9, 2025Opens in a new window

Popular airlines from Bishop Intl. Airport (FNT) to Sidney, MT (SDY-Sidney-Richland Municipal)

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Cheap Flights from Flint to Sidney (FNT-SDY)

Prices were available within the past 7 days and start at $379 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY) cost?
Grab a cheap one-way flight from $379 or cheap return flight from Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY) 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 Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY)?
Planning your trip for can help you save, as it's the cheapest month for flights between FNT and SDY. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from FNT to SDY. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY)?
Nonstop flights from Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY) 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 choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FNT to SDY?
You'll usually 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 Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY)?
To avoid potential delays on the Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY) last-minute?
Booking your plane ticket from FNT to SDY just before your journey is usually more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a FNT to SDY flight and hotel package?
You'll generally save money by booking a FNT to SDY 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 everything in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Bishop Intl. Airport (FNT) to Sidney-Richland Municipal Airport (SDY)?
You can usually cancel or reschedule your FNT to SDY flight. However, if it's been more than 24 hours since booking, additional fees 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.

Travel information

Travel information

Origin airport
Bishop Intl.
Destination airport
Sidney-Richland Municipal
Distance
1041 mi

Book with confidence

Book with confidence

Flint to Sidney Flights

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

 

The best time to book a flight from Flint to Sidney

Sunday is one of the best days to book for cheap flights from Flint 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 Flint 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 Flint to Sidney in 2025. You can also book with separate airlines for your outbound and return journeys, from $379 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 Flint 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 Flint 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.

 

Flint to Sidney Flights

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*Available to One Key members.