$398+ Cheap flights from Sioux Falls to Great Falls (FSD - GTF)
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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — GTF
Oct 11 — Oct 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sioux Falls to Great 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 Sioux Falls to Great Falls
Cheapest
Best
Last-minute
Cheapest flights from Sioux Falls to Great FallsExplore the most affordable flight options available from Sioux Falls to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Sioux Falls to Great Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/245:04 pm -
1 stop5h 18m
Mon 9/282:37 pm -
1 stop4h 43m
Deal found 9/9![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/75:06 pm -
1 stop5h 32m
Wed 11/112:45 pm -
1 stop4h 19m
Deal found 9/10![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/255:04 pm -
1 stop5h 18m
Sun 9/276:15 am -
1 stop5h 34m
Deal found 9/7![United Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/95:04 pm -
1 stop5h 18m
Sun 10/116:15 am -
1 stop5h 34m
Deal found 9/11![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/95:04 pm -
1 stop5h 18m
Mon 10/122:37 pm -
1 stop4h 43m
Deal found 9/7![United Airlines logo]()
$579
Best flights from Sioux Falls to Great FallsDiscover carefully curated flight deals from Sioux Falls to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Sioux Falls to Great Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/75:06 pm -
1 stop5h 32m
Wed 11/112:45 pm -
1 stop4h 19m
Deal found 9/10![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/255:04 pm -
1 stop5h 18m
Sun 9/276:15 am -
1 stop5h 34m
Deal found 9/7![United Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/95:04 pm -
1 stop5h 18m
Sun 10/116:15 am -
1 stop5h 34m
Deal found 9/10![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/95:04 pm -
1 stop5h 18m
Mon 10/122:37 pm -
1 stop4h 43m
Deal found 9/10![United Airlines logo]()
$616
Last-minute flights from Sioux Falls to Great FallsDiscover last-minute flight deals from Sioux Falls to Great Falls. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux Falls to Great Falls. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/245:04 pm -
1 stop5h 18m
Mon 9/282:37 pm -
1 stop4h 43m
Deal found 9/9![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/255:04 pm -
1 stop5h 18m
Sun 9/276:15 am -
1 stop5h 34m
Deal found 9/7![United Airlines logo]()
$545
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/95:04 pm -
1 stop5h 18m
Sun 10/116:15 am -
1 stop5h 34m
Deal found 9/11![United Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/95:04 pm -
1 stop5h 18m
Mon 10/122:37 pm -
1 stop4h 43m
Deal found 9/7![United Airlines logo]()
$579
Find flight deals from Sioux Falls to Great Falls
Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Great Falls (GTF). 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $398 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux Falls to Great 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 September 11, 2026.
Use the filters below to find and compare flights from Sioux Falls to Great Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Sioux FallsGreat Falls
FSD Sioux Falls Joe Foss Field - GTF Great Falls
FSDGTF
Sioux Falls Joe Foss Field
Sat 11/7
5:06 pm-9:38 pm
1 stop5h 32m
Great Falls
Wed 11/11
2:45 pm-8:04 pm
1 stop4h 19m
$433
Sioux FallsGreat Falls
FSD Sioux Falls Joe Foss Field - GTF Great Falls
FSDGTF
Sioux Falls Joe Foss Field
Fri 9/25
5:04 pm-9:22 pm
1 stop5h 18m
Great Falls
Sun 9/27
6:15 am-12:49 pm
1 stop5h 34m
$545
Sioux FallsGreat Falls
FSD Sioux Falls Joe Foss Field - GTF Great Falls
FSDGTF
Sioux Falls Joe Foss Field
Fri 10/9
5:04 pm-9:22 pm
1 stop5h 18m
Great Falls
Sun 10/11
6:15 am-12:49 pm
1 stop5h 34m
$566
Sioux FallsGreat Falls
FSD Sioux Falls Joe Foss Field - GTF Great Falls
FSDGTF
Sioux Falls Joe Foss Field
Fri 10/9
5:04 pm-9:22 pm
1 stop5h 18m
Great Falls
Mon 10/12
2:37 pm-8:20 pm
1 stop4h 43m
$616
Sorted by cheapest first
Compare providers for flights from Sioux Falls to Great 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 Sioux Falls to Great Falls in September.
| 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 Sioux Falls-Great Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Great Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Great Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux Falls-Great 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 Sioux Falls-Great 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 Sioux Falls to Great Falls
Have a flexible travel schedule? Discover the best time to fly to Great Falls from Sioux Falls with our price prediction graph.
FSD-GTF
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 Great Falls
Get insights into the airlines that provide service to Great 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 Great Falls. Reviews last updated September 11, 2026.
Get a feel of what it's like to fly with United Airlines from Sioux Falls to Great Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Entertainment
7.1
Food
6.7
Overall
7.4
Boarding
7.7
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 Sioux Falls to Great 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 Great Falls?
Book flights to Great Falls if you plan to visit one of these locationsShelby
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Great Falls flight routes
Other flight options
Other flights from Sioux Falls
Popular flights
Alternative routes for Sioux Falls to Great Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Great Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sioux Falls to Great Falls by cabin class
Find flights from Sioux Falls to Great Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Great Falls
Explore flights to Great Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Sioux Falls and Great Falls flights
Browse other Sioux Falls and Great Falls flight options. Last updated on September 11, 2026.
Other flights from Sioux Falls
Browse through other flights departing from Sioux Falls. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Sioux Falls to Great Falls
Discover the top airline that operate flights from Sioux Falls to Great 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 September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$369 | Average$587 | FlexibilityNo cancel fee | On-time69% |