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$438+ Cheap flights from Great Falls to Indianapolis (GTF - IND)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — IND
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Great Falls to Indianapolis

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Indianapolis (IND). 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 16, 2025.

Round-trip from

$438
(Delta)

Popular in

November

Cheapest in

May
From Great Falls to Indianapolis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).
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Find flight deals from Great Falls to Indianapolis

Cheapest flights from Great Falls to Indianapolis
Explore the most affordable flight options available from Great Falls to Indianapolis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/262:52 pmGTF - IND
2 stops28h 08mMultiple Airlines
Sun 11/307:00 amIND - GTF
1 stop16h 35mMultiple Airlines
Deal found 9/15$632
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/267:42 pmGTF - IND
1 stop8h 04mAlaska Airlines
Sun 11/307:08 pmIND - GTF
1 stop25h 54mAlaska Airlines
Deal found 9/15$993
This Delta deal was found by Cheapflights users on 9/15. 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 11/265:30 amGTF - IND
2 stops11h 31mDelta
Sun 11/307:00 amIND - GTF
2 stops12h 30mDelta
Deal found 9/15$1,760

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to Indianapolis 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 September 16, 2025.
Use the filters below to find and compare flights from Great Falls to Indianapolis that are best for you.

Fly from

Great Falls

Fly to

Indianapolis

Route

Depart

Return

Price

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sat 2/28

1:10 pm-10:58 pm

1 stop7h 48m

Indianapolis

Tue 3/3

8:00 am-12:32 pm

1 stop6h 32m

$438

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 11/26

2:52 pm-9:00 pm

2 stops28h 08m

Indianapolis

Sun 11/30

7:00 am-9:35 pm

1 stop16h 35m

$632

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 11/26

7:42 pm-5:46 am

1 stop8h 04m

Indianapolis

Sun 11/30

7:08 pm-7:02 pm

1 stop25h 54m

$993

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 11/26

5:30 am-7:01 pm

2 stops11h 31m

Indianapolis

Sun 11/30

7:00 am-5:30 pm

2 stops12h 30m

$1,760

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Great Falls to Indianapolis

Have a flexible travel schedule? Discover the best time to fly to Indianapolis 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 Indianapolis

Get insights into the airlines that provide service to Indianapolis. 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 Indianapolis. Reviews last updated September 16, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Great Falls to Indianapolis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

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

Find useful and relevant information for your journey from Great Falls to Indianapolis. 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 Indianapolis?

    Departing from Great Falls to Indianapolis will take you 7h 48m. Great Falls and Indianapolis are separated by a distance of 1356 mi.

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

    Currently priced at $324, Delta will fly you from Great Falls to Indianapolis 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 $370. You may be able to fly from Great Falls to Indianapolis for 42% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Great Falls to Indianapolis 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 Great Falls to Indianapolis?

    Currently, August is the cheapest month in which you can book a flight from Great Falls to Indianapolis (average of $286). Flying from Great Falls to Indianapolis in March is currently the most expensive (average of $360). 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

Traveling to a place near Indianapolis?

Book flights to Indianapolis if you plan to visit one of these locations
Muncie
Terre Haute
Noblesville
Fishers
Anderson
Kokomo
Greenwood
Bloomington
Franklin
Plainfield
Carmel
Crawfordsville
Speedway

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Top 2 airlines flying from Great Falls to Indianapolis

Discover the top 2 airlines that operate flights from Great Falls to Indianapolis. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$823FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$370Average$608FlexibilityNo cancel feeOn-time69%

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