Cheap Flights from Sioux Falls (FSD) to Lewistown (LWT)

Popular airlines from Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal)

Flights from Sioux Falls (FSD) to Lewistown (LWT)
Origin airport
Sioux Falls Regional
Destination airport
Lewistown Municipal
Distance
662 mi

Sioux Falls to Lewistown Flights

The cheapest times to fly from Sioux Falls to Lewistown

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

 

The best time to book a flight from Sioux Falls to Lewistown

Sunday is one of the best days to book for cheap flights from Sioux Falls to Lewistown: 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 Sioux Falls to Lewistown

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 Sioux Falls to Lewistown in 2026. 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 Sioux Falls to Lewistown 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 Sioux Falls to Lewistown 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 Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal) cost?
Secure a cheap one-way flight or cheap return flight from Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal)?
The cheapest month to fly from FSD to LWT is , when there's less demand. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from FSD to LWT. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal)?
There are no daily direct flights departing from Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from FSD to LWT?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various 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 Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal)?
Opt for a flight from Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal) that takes off before 3 PM to reduce the risk of 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 Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal) last-minute?
Waiting until right before your break to book your flight from FSD to LWT often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Keep your travel plans flexible to boost your chances of landing a bargain.
Can I cancel or change the date of my flight from Sioux Falls Regional Airport (FSD) to Lewistown, MT (LWT-Lewistown Municipal)?
In most cases, you're able to reschedule or cancel your FSD to LWT flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.