HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Indianapolis

$318+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — IND
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Great Falls to Indianapolis 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 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 May 18, 2026.

This United Airlines deal was found by Cheapflights users on 5/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:25 pm
GTF
-
IND
1 stop5h 42m
United Airlines
Sat 10/243:44 pm
IND
-
GTF
1 stop7h 37m
United Airlines
Deal found 5/15$318
This Delta deal was found by Cheapflights users on 5/15. 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 10/215:30 am
GTF
-
IND
2 stops9h 53m
Delta
Sat 10/243:50 pm
IND
-
GTF
2 stops9h 03m
Delta
Deal found 5/15$329
This Delta deal was found by Cheapflights users on 5/15. 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 11/116:20 pm
GTF
-
IND
2 stops12h 40m
Delta
Thu 11/198:00 am
IND
-
GTF
1 stop6h 27m
Delta
Deal found 5/15$349
This Delta deal was found by Cheapflights users on 5/14. 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.
Fri 11/131:10 pm
GTF
-
IND
1 stop7h 47m
Delta
Sat 11/218:00 am
IND
-
GTF
1 stop6h 27m
Delta
Deal found 5/14$413
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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.
Fri 11/134:57 pm
GTF
-
IND
1 stop22h 08m
Alaska Airlines
Sat 11/2112:51 pm
IND
-
GTF
2 stops29h 22m
Alaska Airlines
Deal found 5/14$459

Find 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 May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$318
(United Airlines)
Provider with most accurate pricing for Great Falls-Indianapolis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Indianapolis flights.
Search Deals
From Great Falls to Indianapolis
Search Deals

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 May 18, 2026.
Use the filters below to find and compare flights from Great Falls to Indianapolis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 10/21

2:25 pm-10:07 pm

1 stop5h 42m

Indianapolis

Sat 10/24

11:37 am-9:21 pm

2 stops11h 44m

$324

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 10/21

5:30 am-5:23 pm

2 stops9h 53m

Indianapolis

Sat 10/24

3:50 pm-10:53 pm

2 stops9h 03m

$329

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 11/11

5:30 am-5:23 pm

2 stops9h 53m

Indianapolis

Thu 11/19

8:00 am-12:27 pm

1 stop6h 27m

$349
Quickest round-trip

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Fri 11/13

1:10 pm-10:57 pm

1 stop7h 47m

Indianapolis

Sat 11/21

8:00 am-12:27 pm

1 stop6h 27m

$413

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Fri 11/13

4:57 pm-5:05 pm

1 stop22h 08m

Indianapolis

Sat 11/21

12:51 pm-4:13 pm

2 stops29h 22m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Sorted by cheapest first

Compare providers for flights from Great Falls to Indianapolis

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 Indianapolis in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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-Indianapolis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Indianapolis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Indianapolis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Indianapolis 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 Great Falls-Indianapolis 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 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 May 18, 2026.
Peruse reviews from past customers who have flown with 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.
United Airlines
7.4
Good
9,737 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,737 reviews
United Airlines
7.4
Good
9,737 reviews

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 5h 42m. Great Falls and Indianapolis are separated by a distance of 1356 mi. This flight may include one or multiple stops.

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

    Currently priced at $278, 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.

  • 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.

See more FAQs

Traveling to a place near Indianapolis?

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

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.

Top airline flying from Great Falls to Indianapolis

Discover the top airline 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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$278Average$476FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.