Cheap Flights from Fort Smith (FSM) to Sidney (SDY)

Popular airlines from Fort Smith, AR (FSM-Fort Smith Regional) to Sidney, MT (SDY-Sidney-Richland Municipal)

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Cheap Flights from Fort Smith to Sidney (FSM-SDY)

Prices were available within the past 7 days and start at for one-way flights and $490 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Sep 15 - Wed, Sep 17
FSM
Fort Smith
SDY
Sidney
$490 Roundtrip, found 2 days ago
$490
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 15 from Fort Smith to Sidney, returning Wed, Sep 17, priced at $490 found 2 days ago
American Airlines
Tue, Sep 16 - Tue, Sep 30
FSM
Fort Smith
SDY
Sidney
$498 Roundtrip, found 2 days ago
$498
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Sep 16 from Fort Smith to Sidney, returning Tue, Sep 30, priced at $498 found 2 days ago
American Airlines
Sat, Sep 13 - Mon, Sep 22
FSM
Fort Smith
SDY
Sidney
$540 Roundtrip, found 2 days ago
$540
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 13 from Fort Smith to Sidney, returning Mon, Sep 22, priced at $540 found 2 days ago
American Airlines
Thu, Sep 18 - Tue, Sep 30
FSM
Fort Smith
SDY
Sidney
$548 Roundtrip, found 2 days ago
$548
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 18 from Fort Smith to Sidney, returning Tue, Sep 30, priced at $548 found 2 days ago
American Airlines
Sun, Sep 7 - Tue, Sep 16
FSM
Fort Smith
SDY
Sidney
$570 Roundtrip, found 2 days ago
$570
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Sep 7 from Fort Smith to Sidney, returning Tue, Sep 16, priced at $570 found 2 days ago
American Airlines
Sat, Sep 13 - Tue, Sep 30
FSM
Fort Smith
SDY
Sidney
$578 Roundtrip, found 2 days ago
$578
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 13 from Fort Smith to Sidney, returning Tue, Sep 30, priced at $578 found 2 days ago
American Airlines
Sun, Sep 14 - Wed, Sep 17
FSM
Fort Smith
SDY
Sidney
$605 Roundtrip, found 2 days ago
$605
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Sep 14 from Fort Smith to Sidney, returning Wed, Sep 17, priced at $605 found 2 days ago
American Airlines
Sun, Sep 14 - Mon, Sep 22
FSM
Fort Smith
SDY
Sidney
$613 Roundtrip, found 2 days ago
$613
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Sep 14 from Fort Smith to Sidney, returning Mon, Sep 22, priced at $613 found 2 days ago
American Airlines
Fri, Sep 12 - Mon, Sep 15
FSM
Fort Smith
SDY
Sidney
$620 Roundtrip, found 2 days ago
$620
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Sep 12 from Fort Smith to Sidney, returning Mon, Sep 15, priced at $620 found 2 days ago
American Airlines
Thu, Sep 18 - Tue, Sep 30
FSM
Fort Smith
SDY
Sidney
$628 Roundtrip, found 2 days ago
$628
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 18 from Fort Smith to Sidney, returning Tue, Sep 30, priced at $628 found 2 days ago
American Airlines
Sat, Sep 13 - Mon, Sep 15
FSM
Fort Smith
SDY
Sidney
$650 Roundtrip, found 2 days ago
$650
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 13 from Fort Smith to Sidney, returning Mon, Sep 15, priced at $650 found 2 days ago
American Airlines
Wed, Sep 17 - Tue, Sep 30
FSM
Fort Smith
SDY
Sidney
$658 Roundtrip, found 2 days ago
$658
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 17 from Fort Smith to Sidney, returning Tue, Sep 30, priced at $658 found 2 days ago
American Airlines
Wed, Oct 29 - Tue, Nov 11
FSM
Fort Smith
SDY
Sidney
$866 Roundtrip, found 2 days ago
$866
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Fort Smith to Sidney, returning Tue, Nov 11, priced at $866 found 2 days ago
American Airlines
Tue, Oct 28 - Tue, Nov 11
FSM
Fort Smith
SDY
Sidney
$874 Roundtrip, found 2 days ago
$874
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 28 from Fort Smith to Sidney, returning Tue, Nov 11, priced at $874 found 2 days ago
American Airlines
Mon, Oct 20 - Tue, Nov 4
FSM
Fort Smith
SDY
Sidney
$894 Roundtrip, found 2 days ago
$894
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Oct 20 from Fort Smith to Sidney, returning Tue, Nov 4, priced at $894 found 2 days ago
American Airlines
Wed, Oct 29 - Fri, Nov 14
FSM
Fort Smith
SDY
Sidney
$898 Roundtrip, found 2 days ago
$898
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Fort Smith to Sidney, returning Fri, Nov 14, priced at $898 found 2 days ago
American Airlines
Tue, Oct 7 - Tue, Oct 21
FSM
Fort Smith
SDY
Sidney
$904 Roundtrip, found 2 days ago
$904
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Oct 7 from Fort Smith to Sidney, returning Tue, Oct 21, priced at $904 found 2 days ago
American Airlines
Thu, Oct 30 - Tue, Nov 11
FSM
Fort Smith
SDY
Sidney
$906 Roundtrip, found 2 days ago
$906
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 30 from Fort Smith to Sidney, returning Tue, Nov 11, priced at $906 found 2 days ago
American Airlines
Mon, Oct 27 - Tue, Nov 11
FSM
Fort Smith
SDY
Sidney
$914 Roundtrip, found 2 days ago
$914
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Oct 27 from Fort Smith to Sidney, returning Tue, Nov 11, priced at $914 found 2 days ago
American Airlines
Wed, Oct 29 - Sat, Nov 15
FSM
Fort Smith
SDY
Sidney
$926 Roundtrip, found 2 days ago
$926
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from Fort Smith to Sidney, returning Sat, Nov 15, priced at $926 found 2 days ago
Flights from Fort Smith (FSM) to Sidney (SDY)
Origin airport
Fort Smith Regional
Destination airport
Sidney-Richland Municipal
Roundtrip price
$489
Distance
992 mi

Fort Smith to Sidney Flights

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

 

The best time to book a flight from Fort Smith to Sidney

Sunday is one of the best days to book for cheap flights from Fort Smith 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 Fort Smith 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 Fort Smith 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 Fort Smith 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 Fort Smith 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.

 

Frequently asked questions

How much does a flight from Fort Smith Regional Airport (FSM) to Sidney-Richland Municipal Airport (SDY) cost?
Discover the latest flight deals from FSM to SDY by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from FSM to SDY?
The cheapest flights from FSM to SDY are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from FSM to SDY?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from FSM to SDY. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Fort Smith Regional Airport (FSM) to Sidney-Richland Municipal Airport (SDY)?
You'll need to take a flight with a layover if you're traveling from Fort Smith Regional Airport (FSM) to Sidney-Richland Municipal Airport (SDY). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from FSM to SDY?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Fort Smith Regional Airport (FSM) to Sidney-Richland Municipal Airport (SDY)?
To avoid possible delays on the Fort Smith Regional Airport (FSM) to Sidney-Richland Municipal Airport (SDY) route, travel before 3 PM. Departures after this time are 22% more likely to be 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 Fort Smith Regional Airport (FSM) to Sidney-Richland Municipal Airport (SDY) last-minute?
Waiting until just before your departure to book your flight from FSM to SDY generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of snagging a bargain.
Is it cheaper to book a FSM to SDY flight and hotel package?
You'll generally save money by booking a FSM 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 place. After selecting your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Fort Smith Regional Airport (FSM) to Sidney-Richland Municipal Airport (SDY)?
In most cases, you can cancel or reschedule your FSM to SDY flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.