$284+ Cheap flights from Billings to Sioux Falls (BIL - FSD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — FSD
Nov 21 — Nov 281
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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Best
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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 October 22, 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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/185:55 pm -
1 stop4h 49m
Sun 11/225:55 am -
1 stop4h 50m
Deal found 10/21![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 10/20. 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 12/26:32 am -
1 stop4h 46m
Sat 12/58:27 am -
2 stops10h 14m
Deal found 10/20![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/45:55 pm -
1 stop4h 49m
Sun 11/85:55 am -
1 stop4h 50m
Deal found 10/20![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 11/131:23 pm -
1 stop6h 31m
Sat 11/141:08 pm -
1 stop8h 32m
Deal found 10/19![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/18. 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.
Sun 11/156:34 am -
1 stop4h 43m
Thu 11/268:31 am -
2 stops10h 08m
Deal found 10/18![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/25:50 pm -
1 stop4h 54m
Sat 12/511:12 am -
2 stops10h 47m
Deal found 10/21![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sun 11/155:00 am -
1 stop4h 27m
Thu 11/269:32 am -
1 stop4h 57m
Deal found 10/21![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 10/20. 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 11/412:58 pm -
2 stops9h 24m
Sun 11/85:10 am -
2 stops8h 08m
Deal found 10/20![Delta logo]()
$613
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 October 22, 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 October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/185:55 pm -
1 stop4h 49m
Sun 11/225:55 am -
1 stop4h 50m
Deal found 10/21![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 11/131:23 pm -
1 stop6h 31m
Sat 11/141:08 pm -
1 stop8h 32m
Deal found 10/19![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 10/18. 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.
Sun 11/156:34 am -
1 stop4h 43m
Thu 11/268:31 am -
2 stops10h 08m
Deal found 10/18![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/25:50 pm -
1 stop4h 54m
Sat 12/55:07 pm -
1 stop4h 52m
Deal found 10/21![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/21. 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 1/304:13 pm -
1 stop6h 31m
Wed 2/39:25 am -
1 stop7h 07m
Deal found 10/21![United Airlines logo]()
$439
Last-minute flights from Billings to Sioux FallsDiscover last-minute flight deals from Billings to Sioux Falls. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to Sioux Falls. Data last updated October 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/45:55 pm -
1 stop4h 49m
Sun 11/85:55 am -
1 stop4h 50m
Deal found 10/20![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 10/20. 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 11/412:58 pm -
2 stops9h 24m
Sun 11/85:10 am -
2 stops8h 08m
Deal found 10/20![Delta logo]()
$613
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Fri 11/131:23 pm -
1 stop6h 31m
Sat 11/141:08 pm -
1 stop8h 32m
Deal found 10/19![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/135:55 pm -
1 stop4h 49m
Sat 11/146:00 am -
3 stops16h 14m
Deal found 10/19![United Airlines logo]()
$623
This Delta deal was found by Cheapflights users on 10/18. 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.
Sun 11/156:34 am -
1 stop4h 43m
Thu 11/268:31 am -
2 stops10h 08m
Deal found 10/18![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Sun 11/155:00 am -
1 stop4h 27m
Thu 11/269:32 am -
1 stop4h 57m
Deal found 10/21![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/185:55 pm -
1 stop4h 49m
Sun 11/225:55 am -
1 stop4h 50m
Deal found 10/21![United Airlines logo]()
$339
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 October 22, 2026.
Search for one-way flight options from Billings to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/212:42 pm -
1 stop4h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 10/20. 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.
Sat 11/215:35 am -
2 stops9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 10/20. 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.
Sun 11/225:35 am -
2 stops9h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 10/21. 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.
Mon 11/306:34 am -
1 stop4h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$490
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Mon 11/305:00 am -
1 stop4h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$543
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (United Airlines) |
One-way from | $284 (United 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 7,457,451 searches. Data last updated October 22, 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
Sat 11/21
5:35 am-3:58 pm
2 stops9h 23m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$289
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Wed 11/18
5:55 pm-11:44 pm
1 stop4h 49m
Sioux Falls Joe Foss Field
Sun 11/22
5:55 am-9:45 am
1 stop4h 50m
$339
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Wed 12/2
5:50 pm-11:44 pm
1 stop4h 54m
Sioux Falls Joe Foss Field
Sat 12/5
5:07 pm-8:59 pm
1 stop4h 52m
$339
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Fri 11/13
1:23 pm-8:54 pm
1 stop6h 31m
Sioux Falls Joe Foss Field
Sat 11/14
1:08 pm-8:40 pm
1 stop8h 32m
$399
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Sun 11/15
6:34 am-12:17 pm
1 stop4h 43m
Sioux Falls Joe Foss Field
Thu 11/26
8:31 am-5:39 pm
2 stops10h 08m
$434
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Sat 1/30
4:13 pm-11:44 pm
1 stop6h 31m
Sioux Falls Joe Foss Field
Wed 2/3
9:25 am-3:32 pm
1 stop7h 07m
$439
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Mon 11/30
6:34 am-12:17 pm
1 stop4h 43m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$490
Quickest round-trip
BillingsSioux Falls
BIL Billings Logan Intl - FSD Sioux Falls Joe Foss Field
BILFSD
Billings Logan Intl
Mon 11/30
5:00 am-10:32 am
1 stop4h 32m
Sioux Falls Joe Foss Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$543
Sorted 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 October.
| 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 October 22, 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.
Crew
8.1
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Food
6.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Food
6.7
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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 locationsYankton
Marshall
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Billings and Sioux Falls flights
Browse other Billings and Sioux Falls flight options. Last updated on October 22, 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 October 22, 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 October 22, 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 7,457,451 searches. Data last updated October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$283 | Average$494 | FlexibilityNo cancel fee | On-time69% |