$348+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — IND
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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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
Best
Last-minute
Cheapest flights from Great Falls to IndianapolisExplore 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 17, 2026.
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 17, 2026.
This Delta deal was found by Cheapflights users on 9/14. 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 11/131:21 pm -
1 stop7h 33m
Sat 11/217:00 am -
1 stop7h 41m
Deal found 9/14![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 12/51:17 pm -
2 stops9h 35m
Tue 12/84:22 pm -
2 stops8h 29m
Deal found 9/16![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/92:47 pm -
1 stop5h 40m
Sat 12/127:15 am -
2 stops8h 34m
Deal found 9/16![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 9/12. 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 11/111:21 pm -
2 stops9h 19m
Thu 11/197:00 am -
1 stop7h 41m
Deal found 9/12![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:45 pm -
1 stop5h 25m
Thu 11/198:00 am -
1 stop7h 49m
Deal found 9/14![United Airlines logo]()
$438
Best flights from Great Falls to IndianapolisDiscover carefully curated flight deals from Great Falls to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Great Falls to Indianapolis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 11/131:21 pm -
1 stop7h 33m
Sat 11/217:00 am -
1 stop7h 41m
Deal found 9/12![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 1/302:25 pm -
1 stop5h 33m
Tue 2/29:00 am -
1 stop6h 29m
Deal found 9/16![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 12/51:17 pm -
2 stops9h 35m
Tue 12/87:00 am -
1 stop7h 35m
Deal found 9/16![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 9/12. 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 11/111:21 pm -
2 stops9h 19m
Thu 11/197:00 am -
1 stop7h 41m
Deal found 9/12![Delta logo]()
$424
Last-minute flights from Great Falls to IndianapolisDiscover last-minute flight deals from Great Falls to Indianapolis. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Great Falls to Indianapolis. Data last updated September 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/232:37 pm -
1 stop5h 36m
Mon 10/263:44 pm -
1 stop7h 54m
Deal found 9/16![United Airlines logo]()
$615
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (Delta) |
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 7,457,451 searches. Data last updated September 17, 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
Cheapest round-trip
Great FallsIndianapolis
GTF Great Falls - IND Indianapolis
GTFIND
Great Falls
Fri 11/13
1:21 pm-10:54 pm
1 stop7h 33m
Indianapolis
Sat 11/21
7:00 am-12:41 pm
1 stop7h 41m
$348
Great FallsIndianapolis
GTF Great Falls - IND Indianapolis
GTFIND
Great Falls
Sat 12/5
1:17 pm-12:52 am
2 stops9h 35m
Indianapolis
Tue 12/8
7:00 am-12:35 pm
1 stop7h 35m
$354
Great FallsIndianapolis
GTF Great Falls - IND Indianapolis
GTFIND
Great Falls
Wed 11/11
1:21 pm-12:40 am
2 stops9h 19m
Indianapolis
Thu 11/19
7:00 am-12:41 pm
1 stop7h 41m
$424
Quickest round-trip
Great FallsIndianapolis
GTF Great Falls - IND Indianapolis
GTFIND
Great Falls
Sat 1/30
2:25 pm-9:58 pm
1 stop5h 33m
Indianapolis
Tue 2/2
9:00 am-1:29 pm
1 stop6h 29m
$438
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
GTF-IND
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 17, 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.
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Entertainment
7.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Food
6.7
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near Indianapolis?
Book flights to Indianapolis if you plan to visit one of these locationsTerre Haute
Greenwood
Plainfield
Fishers
Muncie
Kokomo
Westfield
Franklin
Mooresville
Crawfordsville
Anderson
Carmel
Noblesville
Bloomington
Speedway
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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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$278 | Average$476 | FlexibilityNo cancel fee | On-time69% |