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$499+ Cheap flights from Great Falls to Sioux Falls (GTF - 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — FSD
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Find flight deals from Great Falls to Sioux Falls

Cheapest flights from Great Falls to Sioux Falls
Explore the most affordable flight options available from Great Falls to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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.
mié. 11/122:30 pmGTF - FSD
1 stop4h 53mUnited Airlines
dom. 11/168:00 amFSD - GTF
2 stops15h 39mUnited Airlines
Deal found 10/27$652

Cheap flight deals from Great Falls to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) 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 octubre 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$499
(United Airlines)

Popular in

January

Cheapest in

September

Average price

$441
Provider with most accurate pricing for Great Falls-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Great Falls-Sioux Falls Joe Foss Field flights.
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From Great Falls to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls 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 octubre 29, 2025.
Use the filters below to find and compare flights from Great Falls to Sioux Falls that are best for you.

Fly from

Great Falls

Fly to

Sioux Falls

Route

Depart

Return

Price

Great FallsSioux Falls

GTF - FSD

GTFFSD

Great Falls

mié. 11/12

2:30 pm-8:23 pm

1 stop4h 53m

Sioux Falls Joe Foss Field

dom. 11/16

8:00 am-10:39 pm

2 stops15h 39m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Compare providers for flights from Great Falls 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 Great Falls to Sioux Falls in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Great Falls-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Sioux Falls flights, Cheapflights users trust Expedia the most. Expedia 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 Great Falls-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 Great Falls to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Great Falls with our price prediction graph.
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 octubre 29, 2025.
Read reviews from past customers who have flown United Airlines from Great Falls to Sioux Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Sioux Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Great Falls to Sioux Falls?

    Airlines like United Airlines fly from Great Falls to Sioux Falls in about 4h 53m. The time it takes to get you to your destination can typically vary by up to . The distance from Great Falls to Sioux Falls is about 756 mi.

  • What is the cheapest airline to fly from Great Falls to Sioux Falls round-trip?

    Our cheapest airline available from Great Falls to Sioux Falls is United Airlines. Our recent data shows that you can find tickets from as low as $238 on this airline. United Airlines is currently priced 42% below the average price you’ll pay for this route.

  • Can I find deals for flights from Great Falls to Sioux Falls that include hotel bookings?

    Yes. In addition to deals on Great Falls to Sioux Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Sioux Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Sioux Falls.

  • Can I find deals for business class flights from Great Falls to Sioux Falls?

    Yes. Cheapflights offers flight deals from Great Falls to Sioux Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

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Alternative routes for Great Falls to Sioux Falls

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Top airline flying from Great Falls to Sioux Falls

Discover the top airline that operate flights from Great Falls 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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$238Average$407FlexibilityNo cancel feeOn-time69%

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