$185 Cheap Flights from Louisville (SDF) to Fort Smith (FSM)

View $185 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Fort Smith, AR (FSM-Fort Smith Regional)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Louisville to Fort Smith (SDF-FSM)

Prices were available within the past 7 days and start at $185 for one-way flights and $368 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Apr 1 - Mon, Apr 13
SDF
Louisville
FSM
Fort Smith
$368 Roundtrip, found 4 days ago
$368
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Apr 1 from Louisville to Fort Smith, returning Mon, Apr 13, priced at $368 found 4 days ago
American Airlines
Sat, Jan 17 - Sat, Jan 24
SDF
Louisville
FSM
Fort Smith
$437 Roundtrip, found 5 days ago
$437
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jan 17 from Louisville to Fort Smith, returning Sat, Jan 24, priced at $437 found 5 days ago
American Airlines
Wed, Apr 1 - Mon, Apr 13
SDF
Louisville
FSM
Fort Smith
$438 Roundtrip, found 4 days ago
$438
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Apr 1 from Louisville to Fort Smith, returning Mon, Apr 13, priced at $438 found 4 days ago
American Airlines
Mon, Jan 12 - Fri, Jan 23
SDF
Louisville
FSM
Fort Smith
$439 Roundtrip, found 5 days ago
$439
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jan 12 from Louisville to Fort Smith, returning Fri, Jan 23, priced at $439 found 5 days ago
American Airlines
Sat, Jan 17 - Wed, Jan 21
SDF
Louisville
FSM
Fort Smith
$442 Roundtrip, found 5 days ago
$442
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jan 17 from Louisville to Fort Smith, returning Wed, Jan 21, priced at $442 found 5 days ago
American Airlines
Mon, Jan 12 - Wed, Jan 21
SDF
Louisville
FSM
Fort Smith
$443 Roundtrip, found 5 days ago
$443
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jan 12 from Louisville to Fort Smith, returning Wed, Jan 21, priced at $443 found 5 days ago
American Airlines
Tue, Jan 13 - Fri, Jan 23
SDF
Louisville
FSM
Fort Smith
$444 Roundtrip, found 5 days ago
$444
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Jan 13 from Louisville to Fort Smith, returning Fri, Jan 23, priced at $444 found 5 days ago
American Airlines
Sat, Jan 17 - Tue, Jan 20
SDF
Louisville
FSM
Fort Smith
$464 Roundtrip, found 5 days ago
$464
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jan 17 from Louisville to Fort Smith, returning Tue, Jan 20, priced at $464 found 5 days ago
American Airlines
Mon, Jan 12 - Tue, Jan 20
SDF
Louisville
FSM
Fort Smith
$465 Roundtrip, found 5 days ago
$465
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Jan 12 from Louisville to Fort Smith, returning Tue, Jan 20, priced at $465 found 5 days ago
American Airlines
Thu, Jan 1 - Tue, Jan 13
SDF
Louisville
FSM
Fort Smith
$473 Roundtrip, just found
$473
Roundtrip
just found
Select American Airlines flight, departing Thu, Jan 1 from Louisville to Fort Smith, returning Tue, Jan 13, priced at $473 just found

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM) cost?
Snag a cheap one-way flight from $185 or cheap return flight from $368 from Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM) 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 Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM)?
Planning your getaway for April can help you save, as it's the cheapest month for flights between SDF and FSM. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SDF to FSM flight.
How many flights per day from Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM)?
Direct flights from Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to FSM?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM)?
To reach Fort Smith Regional Airport (FSM) on time, book a flight that leaves from Louisville Intl. Airport (SDF) before 3 PM. The chance 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 Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM) last-minute?
Booking your flight from SDF to FSM right 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 SDF to FSM flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDF to FSM flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Fort Smith Regional Airport (FSM)?
In most cases, you're able to cancel or reschedule your SDF to FSM flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Origin airport
Louisville Intl.
Destination airport
Fort Smith Regional
Roundtrip price
$367
Distance
516 mi

Book with confidence

Louisville to Fort Smith Flights

The cheapest times to fly from Louisville to Fort Smith

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

 

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

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

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 Louisville to Fort Smith in 2026. You can also book with separate airlines for your outbound and return journeys, from $185 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 Louisville to Fort Smith 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 Louisville to Fort Smith 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.

 

Louisville to Fort Smith Flights

Explore a world of travel with Expedia

*Available to One Key members.