What are the cheapest airlines flying from Sioux Falls to Great Falls round-trip?

Currently priced at $279, Delta will fly you from Sioux Falls to Great Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $334.

What is the cheapest month to book a flight from Sioux Falls to Great Falls?

Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Great Falls (average of $367). Flying from Sioux Falls to Great Falls in July is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Sioux Falls to Great Falls?

Travelers seeking maximum savings on their Sioux Falls to Great Falls flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Great Falls ranges from 0.5 - 2.5 inches per month. June is typically the wettest month, when rainfall can reach 2.5 in. January is typically the driest time to visit Great Falls when rainfall is around 0.5 in.

If weather is an important factor for your trip to Great Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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

Flights from Sioux Falls to Great Falls are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Great Falls.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Sioux Falls to Great 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.

$279+ Flights from Sioux Falls to Great Falls

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Cheap flight deals from Sioux Falls to Great Falls

Round-trip from	$279 (Delta)

From Sioux Falls Joe Foss Field to Great Falls

Search Deals

Find flight deals from Sioux Falls to Great Falls

Cheapest flights from Sioux Falls to Great Falls
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 July 8, 2025.

Mon 9/12:30 pmFSD - GTF

1 stop7h 04mDelta

Sat 9/66:00 amGTF - FSD

1 stop5h 16mDelta

Deal found 7/6

$279

Mon 8/185:10 pmFSD - GTF

1 stop5h 03mUnited Airlines

Sat 8/232:35 pmGTF - FSD

1 stop4h 54mUnited Airlines

Deal found 7/8

$334

Best flights from Sioux Falls to Great Falls
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 July 8, 2025.

Mon 9/12:30 pmFSD - GTF

1 stop7h 04mDelta

Sat 9/66:00 amGTF - FSD

1 stop5h 16mDelta

Deal found 7/6

$279

Mon 8/185:10 pmFSD - GTF

1 stop5h 03mUnited Airlines

Sat 8/232:35 pmGTF - FSD

1 stop4h 54mUnited Airlines

Deal found 7/8

$334

Last-minute flights from Sioux Falls to Great Falls
Discover last-minute flight deals from Sioux Falls to Great Falls. Data last updated July 8, 2025 and is based on user searches.

Mon 8/182:30 pmFSD - GTF

1 stop7h 04mDelta

Sat 8/236:00 amGTF - FSD

1 stop5h 16mDelta

Deal found 7/7

$309

Mon 8/185:10 pmFSD - GTF

1 stop5h 03mUnited Airlines

Sat 8/232:35 pmGTF - FSD

1 stop4h 54mUnited Airlines

Deal found 7/8

$334

Cheapflights Fare Finder

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

Price

Sioux FallsGreat Falls

FSD - GTF

FSDGTF

Sioux Falls Joe Foss Field

Mon 9/1

2:30 pm-8:34 pm

1 stop7h 04m

Great Falls

Sat 9/6

6:00 am-12:16 pm

1 stop5h 16m

$279

Sioux FallsGreat Falls

FSD - GTF

FSDGTF

Sioux Falls Joe Foss Field

Mon 8/18

5:10 pm-9:13 pm

1 stop5h 03m

Great Falls

Sat 8/23

2:35 pm-8:29 pm

1 stop4h 54m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

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.

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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Great Falls

What is the cheapest time of day to fly from FSD to GTF?

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from Sioux Falls to Great Falls by exploring options for tickets in the morning.

Reviews of airlines servicing Great Falls

Get a feel of what it's like to fly with Delta and 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.

Delta

8.0

Very good

7,958 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,958 reviews

Delta

8.0

Very good

7,958 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,844 reviews

Delta

8.0

Very good

7,958 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Sioux Falls to Great Falls round-trip?
Currently priced at $279, Delta will fly you from Sioux Falls to Great Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $334.
Can I find deals for flights from Sioux Falls to Great Falls that include hotel bookings?
Yes. In addition to deals on Sioux Falls to Great Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to Great Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Great Falls.
Can I find deals for business class flights from Sioux Falls to Great Falls?
Yes. Cheapflights offers flight deals from Sioux Falls to Great 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.
What is the cheapest month to book a flight from Sioux Falls to Great Falls?
Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Great Falls (average of $367). Flying from Sioux Falls to Great Falls in July is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Sioux Falls to Great Falls

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$238	Average$458	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$271	Average$383	FlexibilityNo cancel fee	On-time69%

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$279+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to Great Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to Great Falls

Round-trip from

Find flight deals from Sioux Falls to Great Falls

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 July 8, 2025.

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 July 8, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Great Falls that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Great Falls

What is the cheapest time of day to fly from FSD to GTF?

Find hourly flight availability from Sioux Falls to Great Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 8, 2025.

Reviews of airlines servicing Great Falls

Get a feel of what it's like to fly with Delta and 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.

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.

What are the cheapest airlines flying from Sioux Falls to Great Falls round-trip?

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

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

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

What is the cheapest month to book a flight from Sioux Falls to Great Falls?

Traveling to a place near Sioux Falls?

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 for Sioux Falls to Great Falls

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Top 2 airlines flying from Sioux Falls to Great Falls

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Book with Flexibility

Travel Smart

Cheapest flights from Sioux Falls to Great Falls
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 July 8, 2025.