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$474+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — IND
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$474
(United Airlines)

Popular in

November

Cheapest in

September

Average price

$608
From Great Falls to Indianapolis
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/12. 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 10/12:31 pmGTF - IND
1 stop5h 47mUnited Airlines
Sat 10/49:10 amIND - GTF
1 stop6h 16mUnited Airlines
Deal found 6/12$474
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:15 pmGTF - IND
1 stop8h 45mAlaska Airlines
Fri 10/247:02 pmIND - GTF
1 stop24h 33mAlaska Airlines
Deal found 6/10$534
This Delta deal was found by Cheapflights users on 6/12. 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 10/16:20 pmGTF - IND
2 stops12h 38mDelta
Sat 10/42:00 pmIND - GTF
2 stops10h 51mDelta
Deal found 6/12$580
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/127:57 pmGTF - IND
2 stops24h 11mMultiple Airlines
Sun 6/156:27 amIND - GTF
3 stops29h 00mMultiple Airlines
Deal found 6/12$922

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 June 12, 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

Wed 10/1

2:31 pm-10:18 pm

1 stop5h 47m

Indianapolis

Sat 10/4

9:10 am-1:26 pm

1 stop6h 16m

$474

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sun 10/19

6:15 pm-5:00 am

1 stop8h 45m

Indianapolis

Fri 10/24

7:02 pm-5:35 pm

1 stop24h 33m

$534

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 10/1

6:20 pm-8:58 am

2 stops12h 38m

Indianapolis

Sat 10/4

2:00 pm-10:51 pm

2 stops10h 51m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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.

Cheapflights Insights

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

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 $297). 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.

Rainfall in Indianapolis by month

Plan your trip to Indianapolis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Indianapolis ranges from 2.3 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. February is typically the driest time to visit Indianapolis when rainfall is around 2.3 in.

Temperature in Indianapolis by month

Plan your trip to Indianapolis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Indianapolis, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at $474, United Airlines will fly you from Great Falls to Indianapolis and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Delta - these airlines can fly you to your destination from $534 and $580, respectively. You may be able to fly from Great Falls to Indianapolis for 15% 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 $297). 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 Great Falls?

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

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Alternative routes for Great Falls to Indianapolis

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$324Average$823FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$370Average$608FlexibilityNo cancel feeOn-time69%

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