$289 Cheap Flights from Sidney (SDY) to Nashville (BNA)

View $289 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from Sidney, MT (SDY-Sidney-Richland Municipal) to Nashville International Airport (BNA)

Cheap Flights from Sidney to Nashville (SDY-BNA)

Prices were available within the past 7 days and start at $289 for one-way flights and $518 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Sun, Sep 28 - Tue, Oct 7
SDY
Sidney
BNA
Nashville
$518 Roundtrip, found 14 hours ago
$518
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Sun, Sep 28 from Sidney to Nashville, returning Tue, Oct 7, priced at $518 found 14 hours ago
Cape Air
Wed, Oct 22 - Tue, Nov 4
SDY
Sidney
BNA
Nashville
$523 Roundtrip, found 14 hours ago
$523
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Wed, Oct 22 from Sidney to Nashville, returning Tue, Nov 4, priced at $523 found 14 hours ago
Cape Air
Sat, Nov 1 - Tue, Nov 11
SDY
Sidney
BNA
Nashville
$531 Roundtrip, found 14 hours ago
$531
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Sat, Nov 1 from Sidney to Nashville, returning Tue, Nov 11, priced at $531 found 14 hours ago
Cape Air
Sun, Nov 2 - Tue, Nov 11
SDY
Sidney
BNA
Nashville
$533 Roundtrip, found 14 hours ago
$533
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Sun, Nov 2 from Sidney to Nashville, returning Tue, Nov 11, priced at $533 found 14 hours ago
Cape Air
Sat, Oct 4 - Tue, Oct 14
SDY
Sidney
BNA
Nashville
$536 Roundtrip, found 14 hours ago
$536
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Sat, Oct 4 from Sidney to Nashville, returning Tue, Oct 14, priced at $536 found 14 hours ago
Cape Air
Thu, Oct 30 - Tue, Nov 11
SDY
Sidney
BNA
Nashville
$537 Roundtrip, found 14 hours ago
$537
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Thu, Oct 30 from Sidney to Nashville, returning Tue, Nov 11, priced at $537 found 14 hours ago
Cape Air
Sat, Nov 1 - Sat, Nov 15
SDY
Sidney
BNA
Nashville
$544 Roundtrip, found 14 hours ago
$544
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Sat, Nov 1 from Sidney to Nashville, returning Sat, Nov 15, priced at $544 found 14 hours ago
Cape Air
Sun, Nov 2 - Sat, Nov 15
SDY
Sidney
BNA
Nashville
$546 Roundtrip, found 14 hours ago
$546
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Sun, Nov 2 from Sidney to Nashville, returning Sat, Nov 15, priced at $546 found 14 hours ago
Cape Air
Mon, Sep 22 - Tue, Oct 7
SDY
Sidney
BNA
Nashville
$548 Roundtrip, found 14 hours ago
$548
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Mon, Sep 22 from Sidney to Nashville, returning Tue, Oct 7, priced at $548 found 14 hours ago
Cape Air
Sat, Nov 1 - Fri, Nov 14
SDY
Sidney
BNA
Nashville
$549 Roundtrip, found 14 hours ago
$549
Roundtrip
found 14 hours ago
Select Cape Air flight, departing Sat, Nov 1 from Sidney to Nashville, returning Fri, Nov 14, priced at $549 found 14 hours ago

Alternative airports near Nashville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Nashville Intl. BNA. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $548
BNA
Nashville Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $548
Flights from Sidney (SDY) to Nashville (BNA)
Origin airport
Sidney-Richland Municipal
Destination airport
Nashville Intl.
Roundtrip price
$517
Distance
1199 mi

Sidney to Nashville Flights

The cheapest times to fly from Sidney to Nashville

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

 

The best time to book a flight from Sidney to Nashville

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

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 Sidney to Nashville in 2025. You can also book with separate airlines for your outbound and return journeys, from $289 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 Sidney to Nashville 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 Sidney to Nashville 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 Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA) cost?
Grab a cheap one-way flight from $289 or cheap return flight from $518 from Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA) 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 Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA)?
Planning your getaway for September can help you save, as it's the cheapest month for flights between SDY and BNA. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SDY to BNA. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA)?
Direct flights from Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDY to BNA?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change 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 Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA)?
Book a flight from Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA) last-minute?
Booking your plane ticket from SDY to BNA shortly before your journey is typically more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SDY to BNA flight and hotel package?
Opting for a SDY to BNA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sidney-Richland Municipal Airport (SDY) to Nashville Intl. Airport (BNA)?
If you reserved your SDY to BNA flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, 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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*Available to One Key members.