$274+ Cheap flights from Billings to Sioux Falls (BIL - FSD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — FSD
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Billings to Sioux Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Billings to Sioux Falls
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Cheapest flights from Billings to Sioux FallsExplore the most affordable flight options available from Billings to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Billings to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:30 am -
1 stop6h 45m
Sun 9/66:00 am -
1 stop4h 41m
Deal found 8/11![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:40 pm -
1 stop6h 04m
Sat 8/295:05 pm -
1 stop6h 02m
Deal found 8/10![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:26 am -
1 stop5h 12m
Sat 8/291:26 pm -
2 stops10h 27m
Deal found 8/10![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:26 am -
1 stop5h 12m
Sun 9/61:26 pm -
2 stops9h 59m
Deal found 8/11![Delta logo]()
$413
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:57 pm -
1 stop4h 47m
Mon 8/176:00 am -
1 stop4h 41m
Deal found 8/10![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:26 am -
1 stop5h 12m
Sun 9/61:26 pm -
2 stops9h 59m
Deal found 8/11![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:57 pm -
1 stop4h 47m
Mon 8/176:00 am -
1 stop4h 41m
Deal found 8/11![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:57 pm -
1 stop4h 47m
Sun 10/46:00 am -
1 stop4h 46m
Deal found 8/11![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:29 pm -
1 stop4h 38m
Fri 9/185:05 pm -
1 stop4h 55m
Deal found 8/13![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:07 am -
1 stop4h 36m
Wed 9/21:33 pm -
1 stop4h 43m
Deal found 8/12![United Airlines logo]()
$541
Best flights from Billings to Sioux FallsDiscover carefully curated flight deals from Billings to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Billings to Sioux Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:30 am -
1 stop6h 45m
Sun 9/66:00 am -
1 stop4h 41m
Deal found 8/11![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:26 am -
1 stop5h 12m
Sat 8/291:26 pm -
2 stops10h 27m
Deal found 8/10![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:07 am -
1 stop4h 36m
Sun 9/66:00 am -
1 stop4h 41m
Deal found 8/11![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:55 pm -
1 stop4h 49m
Mon 11/25:55 am -
1 stop4h 50m
Deal found 8/12![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:26 am -
1 stop5h 12m
Sun 9/61:26 pm -
2 stops9h 59m
Deal found 8/11![Delta logo]()
$413
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:40 pm -
1 stop6h 04m
Mon 8/319:35 am -
1 stop6h 49m
Deal found 8/12![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:40 pm -
1 stop6h 04m
Sat 8/295:05 pm -
1 stop6h 02m
Deal found 8/10![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:26 am -
1 stop5h 12m
Sun 9/61:26 pm -
2 stops9h 59m
Deal found 8/11![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:29 pm -
1 stop4h 38m
Fri 9/185:05 pm -
1 stop4h 55m
Deal found 8/13![United Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:07 am -
1 stop4h 36m
Wed 9/21:33 pm -
1 stop4h 43m
Deal found 8/12![United Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:57 pm -
1 stop4h 47m
Sun 10/47:50 am -
2 stops26h 56m
Deal found 8/11![United Airlines logo]()
$570
Last-minute flights from Billings to Sioux FallsDiscover last-minute flight deals from Billings to Sioux Falls. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to Sioux Falls. Data last updated August 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:57 pm -
1 stop4h 47m
Mon 8/176:00 am -
1 stop4h 41m
Deal found 8/11![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:40 pm -
1 stop6h 04m
Sat 8/295:05 pm -
1 stop6h 02m
Deal found 8/10![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:26 am -
1 stop5h 12m
Sat 8/291:26 pm -
2 stops10h 27m
Deal found 8/10![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am -
1 stop4h 39m
Fri 8/285:05 pm -
1 stop17h 36m
Deal found 8/10![United Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:30 am -
1 stop6h 45m
Sun 9/66:00 am -
1 stop4h 41m
Deal found 8/11![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:26 am -
1 stop5h 12m
Sun 9/61:26 pm -
2 stops9h 59m
Deal found 8/11![Delta logo]()
$413
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:07 am -
1 stop4h 36m
Wed 9/21:33 pm -
1 stop4h 43m
Deal found 8/12![United Airlines logo]()
$541
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:26 am -
1 stop5h 12m
Sun 9/61:26 pm -
2 stops9h 59m
Deal found 8/11![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:29 pm -
1 stop4h 38m
Fri 9/185:05 pm -
1 stop4h 55m
Deal found 8/13![United Airlines logo]()
$533
One-way flights from Billings to Sioux FallsSearch for one-way flight options from Billings to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Billings to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:13 pm -
1 stop5h 46m
Deal found 8/12![American Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:07 am -
2 stops17h 15m
Deal found 8/12![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:51 am -
2 stops6h 38m
Deal found 8/12![Delta logo]()
$455
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:42 pm -
2 stops25h 29m
Deal found 8/13![Alaska Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:29 pm -
3 stops19h 17m
Deal found 8/13![Multiple Airlines logo]()
$663
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:20 pm -
3 stops38h 00m
Deal found 8/12![Multiple Airlines logo]()
$929
Find flight deals from Billings to Sioux Falls
Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Sioux Falls (FSD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (United Airlines) |
One-way from | $274 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Billings to Sioux Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2026.
Use the filters below to find and compare flights from Billings to Sioux Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Wed 9/2
10:30 am-6:15 pm
1 stop6h 45m
Sioux Falls Joe Foss Field
Sun 9/6
6:00 am-9:41 am
1 stop4h 41m
$319
Quickest round-trip
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Thu 9/3
5:07 am-10:43 am
1 stop4h 36m
Sioux Falls Joe Foss Field
Sun 9/6
6:00 am-9:41 am
1 stop4h 41m
$319
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Fri 10/30
5:55 pm-11:44 pm
1 stop4h 49m
Sioux Falls Joe Foss Field
Mon 11/2
5:55 am-9:45 am
1 stop4h 50m
$319
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Thu 8/27
4:40 pm-11:44 pm
1 stop6h 04m
Sioux Falls Joe Foss Field
Mon 8/31
9:35 am-3:24 pm
1 stop6h 49m
$349
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Tue 8/25
4:40 pm-11:44 pm
1 stop6h 04m
Sioux Falls Joe Foss Field
Sat 8/29
5:05 pm-10:07 pm
1 stop6h 02m
$349
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Tue 8/25
6:26 am-12:38 pm
1 stop5h 12m
Sioux Falls Joe Foss Field
Sat 8/29
1:26 pm-10:53 pm
2 stops10h 27m
$384
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Wed 9/2
6:26 am-12:38 pm
1 stop5h 12m
Sioux Falls Joe Foss Field
Sun 9/6
1:26 pm-10:25 pm
2 stops9h 59m
$413
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Thu 9/3
6:26 am-12:38 pm
1 stop5h 12m
Sioux Falls Joe Foss Field
Sun 9/6
1:26 pm-10:25 pm
2 stops9h 59m
$428
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Fri 9/11
2:29 pm-8:07 pm
1 stop4h 38m
Sioux Falls Joe Foss Field
Fri 9/18
5:05 pm-9:00 pm
1 stop4h 55m
$533
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Wed 9/2
5:07 am-10:43 am
1 stop4h 36m
Sioux Falls Joe Foss Field
Wed 9/2
1:33 pm-5:16 pm
1 stop4h 43m
$541
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Billings to Sioux Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Billings to Sioux Falls in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Billings-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Sioux Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Billings-Sioux Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Billings-Sioux Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Billings to Sioux Falls
Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Billings with our price prediction graph.
BIL-FSD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Sioux Falls
Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated August 14, 2026.
See what other customers who have flown with United Airlines from Billings to Sioux Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Billings to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Sioux Falls?
Book flights to Sioux Falls if you plan to visit one of these locationsMarshall
Yankton
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Billings and Sioux Falls flights
Browse other Billings and Sioux Falls flight options. Last updated on August 14, 2026.
Other flights from Billings
Browse through other flights departing from Billings. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
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Explore flights to Sioux Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 14, 2026.
Top airline flying from Billings to Sioux Falls
Discover the top airline that operate flights from Billings to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$359 | FlexibilityNo cancel fee | On-time69% |