$186 Cheap Flights from Great Falls (GTF) to Indianapolis (IND)

View $186 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Indianapolis Intl. Airport (IND)

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Cheap Flights from Great Falls to Indianapolis (GTF-IND)

Prices were available within the past 7 days and start at $186 for one-way flights and $364 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 31 - Tue, Nov 18
GTF
Great Falls
IND
Indianapolis
$364 Roundtrip, found 6 days ago
$364
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Oct 31 from Great Falls to Indianapolis, returning Tue, Nov 18, priced at $364 found 6 days ago
Delta
Sun, Aug 31 - Tue, Sep 16
GTF
Great Falls
IND
Indianapolis
$374 Roundtrip, found 6 days ago
$374
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Aug 31 from Great Falls to Indianapolis, returning Tue, Sep 16, priced at $374 found 6 days ago
Hawaiian Airlines
Thu, Oct 30 - Tue, Nov 18
GTF
Great Falls
IND
Indianapolis
$378 Roundtrip, found 6 days ago
$378
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Oct 30 from Great Falls to Indianapolis, returning Tue, Nov 18, priced at $378 found 6 days ago
Hawaiian Airlines
Sat, Oct 18 - Tue, Oct 28
GTF
Great Falls
IND
Indianapolis
$379 Roundtrip, found 3 hours ago
$379
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Sat, Oct 18 from Great Falls to Indianapolis, returning Tue, Oct 28, priced at $379 found 3 hours ago
Alaska Airlines
Wed, Sep 24 - Sat, Sep 27
GTF
Great Falls
IND
Indianapolis
$379 Roundtrip, found 3 hours ago
$379
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Sep 24 from Great Falls to Indianapolis, returning Sat, Sep 27, priced at $379 found 3 hours ago
Delta
Sun, Aug 31 - Sat, Sep 13
GTF
Great Falls
IND
Indianapolis
$384 Roundtrip, found 6 days ago
$384
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Aug 31 from Great Falls to Indianapolis, returning Sat, Sep 13, priced at $384 found 6 days ago
Hawaiian Airlines
Thu, Oct 30 - Mon, Nov 17
GTF
Great Falls
IND
Indianapolis
$388 Roundtrip, found 6 days ago
$388
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Oct 30 from Great Falls to Indianapolis, returning Mon, Nov 17, priced at $388 found 6 days ago
Hawaiian Airlines
Sat, Oct 18 - Mon, Oct 27
GTF
Great Falls
IND
Indianapolis
$389 Roundtrip, found 3 hours ago
$389
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Sat, Oct 18 from Great Falls to Indianapolis, returning Mon, Oct 27, priced at $389 found 3 hours ago
Hawaiian Airlines
Mon, Sep 8 - Tue, Sep 23
GTF
Great Falls
IND
Indianapolis
$398 Roundtrip, found 6 days ago
$398
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Sep 8 from Great Falls to Indianapolis, returning Tue, Sep 23, priced at $398 found 6 days ago
United
Wed, Oct 1 - Wed, Oct 15
GTF
Great Falls
IND
Indianapolis
$432 Roundtrip, found 3 hours ago
$432
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Oct 1 from Great Falls to Indianapolis, returning Wed, Oct 15, priced at $432 found 3 hours ago

Find the cheapest month to fly from Great Falls (GTF) to Indianapolis (IND)

February is typically the cheapest month to fly

From $304 - $858 per traveler.

Graph displaying average flight prices per month

Alternative airports near Indianapolis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Indianapolis Intl. IND. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $525
IND
Indianapolis Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $525
Flights from Great Falls (GTF) to Indianapolis (IND)
Origin airport
Great Falls Intl.
Destination airport
Indianapolis Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$363
Distance
1356 mi

Great Falls to Indianapolis Flights

The cheapest times to fly from Great Falls to Indianapolis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Great Falls to Indianapolis are during the month of October. You can find some of the cheapest flights from Great Falls to Indianapolis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to Indianapolis

Sunday is one of the best days to book for cheap flights from Great Falls to Indianapolis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Great Falls to Indianapolis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Great Falls to Indianapolis in 2025. You can also book with separate airlines for your outbound and return journeys, from $186 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Great Falls to Indianapolis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Great Falls to Indianapolis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Indianapolis Intl. Airport (IND) cost?
Discover the latest flight deals from GTF to IND by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GTF to IND?
The cheapest flights from GTF to IND are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GTF to IND?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GTF to IND. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Great Falls Intl. Airport (GTF) to Indianapolis Intl. Airport (IND)?
There are no daily nonstop flights available from Great Falls Intl. Airport (GTF) to Indianapolis Intl. Airport (IND). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from GTF to IND?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Indianapolis Intl. Airport (IND)?
To reach Indianapolis Intl. Airport (IND) without delays, choose a flight that takes off from Great Falls Intl. Airport (GTF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to Indianapolis Intl. Airport (IND) last-minute?
Waiting until right before your break to book a flight from GTF to IND generally means paying more. While it's possible to find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a GTF to IND flight and hotel package?
You'll generally save money by booking a GTF to IND flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After selecting your preferred flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Indianapolis Intl. Airport (IND)?
If you booked your GTF to IND flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.