$181 Cheap Flights from Sioux Falls (FSD) to Billings (BIL)

View $181 flight on Tue, Sep 22, 2026Opens in a new window

Popular airlines from Sioux Falls Regional Airport (FSD) to Billings Logan Intl. Airport (BIL)

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Cheap Flights from Sioux Falls to Billings (FSD-BIL)

Prices were available within the past 7 days and start at $181 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 7 - Sat, Oct 10
FSD
Sioux Falls
BIL
Billings
$309 Roundtrip, found 21 hours ago
$309
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Oct 7 from Sioux Falls to Billings, returning Sat, Oct 10, priced at $309 found 21 hours ago
United
Wed, Oct 7 - Sat, Oct 10
FSD
Sioux Falls
BIL
Billings
$309 Roundtrip, found 21 hours ago
$309
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Oct 7 from Sioux Falls to Billings, returning Sat, Oct 10, priced at $309 found 21 hours ago
United
Sat, Sep 26 - Tue, Sep 29
FSD
Sioux Falls
BIL
Billings
$323 Roundtrip, found 2 days ago
$323
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 26 from Sioux Falls to Billings, returning Tue, Sep 29, priced at $323 found 2 days ago
United
Sat, May 16 - Sat, May 23
FSD
Sioux Falls
BIL
Billings
$324 Roundtrip, found 9 hours ago
$324
Roundtrip
found 9 hours ago
Select United flight, departing Sat, May 16 from Sioux Falls to Billings, returning Sat, May 23, priced at $324 found 9 hours ago
American Airlines
Sat, Sep 26 - Tue, Sep 29
FSD
Sioux Falls
BIL
Billings
$335 Roundtrip, found 2 days ago
$335
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 26 from Sioux Falls to Billings, returning Tue, Sep 29, priced at $335 found 2 days ago
United
Sat, May 16 - Sat, May 23
FSD
Sioux Falls
BIL
Billings
$348 Roundtrip, found 9 hours ago
$348
Roundtrip
found 9 hours ago
Select United flight, departing Sat, May 16 from Sioux Falls to Billings, returning Sat, May 23, priced at $348 found 9 hours ago
American Airlines
Sat, Sep 26 - Tue, Sep 29
FSD
Sioux Falls
BIL
Billings
$350 Roundtrip, found 2 days ago
$350
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Sep 26 from Sioux Falls to Billings, returning Tue, Sep 29, priced at $350 found 2 days ago
United
Wed, Oct 7 - Sat, Oct 10
FSD
Sioux Falls
BIL
Billings
$352 Roundtrip, found 21 hours ago
$352
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Oct 7 from Sioux Falls to Billings, returning Sat, Oct 10, priced at $352 found 21 hours ago
United
Sat, May 16 - Sat, May 23
FSD
Sioux Falls
BIL
Billings
$354 Roundtrip, found 9 hours ago
$354
Roundtrip
found 9 hours ago
Select United flight, departing Sat, May 16 from Sioux Falls to Billings, returning Sat, May 23, priced at $354 found 9 hours ago
United
Sat, Sep 26 - Tue, Sep 29
FSD
Sioux Falls
BIL
Billings
$354 Roundtrip, found 2 days ago
$354
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 26 from Sioux Falls to Billings, returning Tue, Sep 29, priced at $354 found 2 days ago

Frequently asked questions

How much does a flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) cost?
You can find cheap one-way flights and cheap return flights from $309 Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) with Expedia. One-way flights usually range from $147 to $670, and return flights typically cost between $343 and $1137. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
January is the cheapest month to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.), with average return fares around $248. This is about 31% lower than the average price throughout the year, as demand tends to be lower after the holiday season. Other budget-friendly months include February and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
Enter FSD to BIL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
United is one of the cheapest airlines offering connecting flights from Sioux Falls, SD (FSD) to Billings, MT (BIL), with round-trip tickets starting from around $248 with a layover in Denver Intl. (DEN). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
To find a cheap flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
For flights from Sioux Falls (FSD) to Billings (BIL), January and April are the best months to consider. You can find return flights for about $248 during these times. January is great for budget travelers as demand is lower, while April brings spring weather, making it a lovely time to explore.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
The earliest flight from Sioux Falls Regional (FSD) to Billings (BIL) typically departs at around 5:15 AM, operated by American Airlines. This is a seasonal service active in May, allowing you to start your day early and make the most of your time in Billings. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
A flight from FSD to BIL with a layover takes around 5 hours, with the route covering approximately 599 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
First class seats are offered on the FSD to BIL route. First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines

How do I earn miles on a Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) flight with Expedia?
It's easy to earn miles on a Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Billings from Sioux Falls Regional (FSD)?
From Sioux Falls Regional (FSD), you can fly into Logan Intl. (BIL) to reach Billings. Some flights may connect through major hubs like Denver Intl. (DEN), Minneapolis - St. Paul Intl. (MSP), O'Hare Intl. (ORD) before reaching Billings. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) at the last minute?
Typically, booking a last minute flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) flight and hotel package?
Securing a Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) Billings Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.)?
If you booked your Sioux Falls, SD (FSD-Sioux Falls Regional) to Billings, MT (BIL-Logan Intl.) 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 ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sioux Falls Regional
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$308
Distance
599 mi

Book with confidence

Sioux Falls to Billings Flights

The cheapest times to fly from Sioux Falls to Billings

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

 

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

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

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 Billings in 2026. You can also book with separate airlines for your outbound and return journeys, from $181 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 Billings 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 Billings 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.

 

Sioux Falls to Billings Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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