How long is the flight from Great Falls to Indianapolis?

Departing from Great Falls to Indianapolis will take you 8h 47m. Great Falls and Indianapolis are separated by a distance of 1356 mi. This flight may include one or multiple stops.

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 41% less than the average price by searching for these airlines.

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.

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).

What is the cheapest time of day to fly from GTF to IND?

When flying from Great Falls to Indianapolis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$362+ Cheap Flights from Great Falls to Indianapolis

Q: How much does it cost to fly round-trip from Great Falls to Indianapolis?

Airfare is below average for this route at the moment. Great Falls to Indianapolis flights typically cost between $446 and $717 in February. The cheapest round-trip price found within the last 3 days was $362 on Alaska Airlines (Feb 28-Mar 3).

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Cheap flight deals from Great Falls to Indianapolis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$362 (Alaska Airlines)
Popular in	November
Cheapest in	May
Average price	$565

Provider with most accurate pricing for Great Falls-Indianapolis flight deals.

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Provider most trusted by Cheapflights users for Great Falls-Indianapolis flights.

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From Great Falls to Indianapolis

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Highest demand for flights based on searches. 6% potential increase in price ($40 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).

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Average for round-trip flights in October 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 October 22, 2025.

Wed 11/56:20 amGTF - IND

1 stop6h 18mUnited Airlines

Sun 11/96:00 amIND - GTF

2 stops9h 33mUnited Airlines

Deal found 10/21

$553

Wed 10/222:31 pmGTF - IND

1 stop5h 47mUnited Airlines

Mon 10/2710:05 amIND - GTF

2 stops14h 34mUnited Airlines

Deal found 10/21

$722

Wed 10/221:08 pmGTF - IND

1 stop7h 45mDelta

Mon 10/278:05 amIND - GTF

1 stop6h 23mDelta

Deal found 10/21

$908

Best flights from Great Falls to Indianapolis
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 October 22, 2025.

Sat 2/284:00 pmGTF - IND

1 stop23h 30mAlaska Airlines

Tue 3/36:30 pmIND - GTF

1 stop22h 50mAlaska Airlines

Deal found 10/19

$362

Sat 2/281:10 pmGTF - IND

2 stops8h 47mDelta

Tue 3/38:00 amIND - GTF

1 stop6h 32mDelta

Deal found 10/20

$374

Wed 11/56:20 amGTF - IND

1 stop6h 18mUnited Airlines

Sun 11/96:00 amIND - GTF

2 stops9h 33mUnited Airlines

Deal found 10/21

$553

Last-minute flights from Great Falls to Indianapolis
Discover last-minute flight deals from Great Falls to Indianapolis. Data last updated October 22, 2025 and is based on user searches.

Wed 10/222:31 pmGTF - IND

1 stop5h 47mUnited Airlines

Mon 10/2710:05 amIND - GTF

2 stops14h 34mUnited Airlines

Deal found 10/21

$722

Wed 10/221:08 pmGTF - IND

1 stop7h 45mDelta

Mon 10/278:05 amIND - GTF

1 stop6h 23mDelta

Deal found 10/21

$908

Wed 11/56:20 amGTF - IND

1 stop6h 18mUnited Airlines

Sun 11/96:00 amIND - GTF

2 stops9h 33mUnited Airlines

Deal found 10/21

$553

Cheapflights Fare Finder

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

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sat 2/28

4:00 pm-5:30 pm

1 stop23h 30m

Indianapolis

Tue 3/3

6:30 pm-3:20 pm

1 stop22h 50m

$362

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sat 2/28

1:10 pm-11:57 pm

2 stops8h 47m

Indianapolis

Tue 3/3

8:00 am-12:32 pm

1 stop6h 32m

$374

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 11/5

6:20 am-2:38 pm

1 stop6h 18m

Indianapolis

Sun 11/9

6:00 am-1:33 pm

2 stops9h 33m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Compare providers for flights from Great Falls to Indianapolis

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 October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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.

Cheapflights Insights

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

How much does it cost to fly round-trip from Great Falls to Indianapolis?

Reviews of airlines servicing Indianapolis

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

7.9

Good

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

7.9

Good

7,981 reviews

Delta

7.9

Good

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

United Airlines

7.4

Good

8,988 reviews

Delta

7.9

Good

7,981 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Related info for your journey

How long is the flight from Great Falls to Indianapolis?
Departing from Great Falls to Indianapolis will take you 8h 47m. Great Falls and Indianapolis are separated by a distance of 1356 mi. This flight may include one or multiple stops.
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 41% 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.

See more FAQs

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Top 2 airlines flying from Great Falls to Indianapolis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$324	Average$843	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$370	Average$608	FlexibilityNo cancel fee	On-time69%

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$362+ 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.

Find cheap flights from Great Falls to Indianapolis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Great Falls to Indianapolis

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Great Falls to Indianapolis

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 October 22, 2025.

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 October 22, 2025.

Cheapflights Fare Finder

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

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 October.

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.

Cheapflights Insights

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

How much does it cost to fly round-trip from Great Falls to Indianapolis?

Reviews of airlines servicing Indianapolis

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.

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?

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

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

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

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

Traveling to a place near Indianapolis?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Great Falls to Indianapolis

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Great Falls to Indianapolis

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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 October 22, 2025.