How long is the flight from Great Falls to Indianapolis?

Departing from Great Falls to Indianapolis will take you 5h 46m. 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 $285, 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. You may be able to fly from Great Falls to Indianapolis for 50% less than the average price by searching for this airline.

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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Indianapolis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

$145+ Flights from Great Falls to Indianapolis

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Cheap flight deals from Great Falls to Indianapolis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$558 (United Airlines)
One-way from	$274 (Delta)
Popular in	January
Cheapest in	November
Average price	$823

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

One-way flight from Great Falls to Indianapolis

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($145 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

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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 January 15, 2026.

Sat 1/172:29 pm

GTF

IND

1 stop5h 46m

United Airlines

Tue 1/203:45 pm

IND

GTF

1 stop8h 08m

United Airlines

Deal found 1/13

$428

Last-minute flights from Great Falls to Indianapolis
Discover last-minute flight deals from Great Falls to Indianapolis. Data last updated January 15, 2026 and is based on user searches.

Sat 1/172:29 pm

GTF

IND

1 stop5h 46m

United Airlines

Tue 1/203:45 pm

IND

GTF

1 stop8h 08m

United Airlines

Deal found 1/13

$428

One-way flights from Great Falls to Indianapolis
Search for one-way flight options from Great Falls to Indianapolis. Find affordable one-way fares based on user searches. Data last updated January 15, 2026.

Mon 3/94:57 pm

GTF

IND

1 stop23h 59m

Alaska Airlines

Deal found 1/15

$145

Mon 3/910:45 am

GTF

IND

2 stops30h 53m

Multiple Airlines

Deal found 1/15

$173

Wed 3/185:06 pm

GTF

IND

2 stops15h 23m

Alaska Airlines

Deal found 1/15

$195

Sun 3/84:57 pm

GTF

IND

2 stops21h 40m

Alaska Airlines

Deal found 1/15

$200

Sun 2/151:15 pm

GTF

IND

1 stop7h 32m

Delta

Deal found 1/14

$274

Sun 3/89:48 pm

GTF

IND

3 stops57h 33m

Multiple Airlines

Deal found 1/15

$329

Thu 3/196:15 am

GTF

IND

2 stops14h 44m

United Airlines

Deal found 1/15

$346

Sun 2/154:57 pm

GTF

IND

2 stops15h 45m

Alaska Airlines

Deal found 1/14

$365

Sun 2/158:59 pm

GTF

IND

3 stops47h 49m

Multiple Airlines

Deal found 1/14

$395

Wed 3/185:06 pm

GTF

IND

3 stops50h 41m

Multiple Airlines

Deal found 1/15

$471

Thu 3/195:06 pm

GTF

IND

3 stops37h 33m

Multiple Airlines

Deal found 1/15

$554

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

Mon 3/9

4:57 pm-6:56 pm

1 stop23h 59m

$145

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Mon 3/9

10:45 am-7:38 pm

2 stops30h 53m

$173

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 3/18

5:06 pm-10:29 am

2 stops15h 23m

$195

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Wed 3/18

1:05 pm-10:53 pm

1 stop7h 48m

$274

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sun 3/8

2:30 pm-10:20 pm

1 stop5h 50m

$274

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sun 2/15

1:15 pm-10:47 pm

1 stop7h 32m

$274

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sun 3/8

9:48 pm-9:21 am

3 stops57h 33m

$329

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Thu 3/19

6:15 am-10:59 pm

2 stops14h 44m

$346

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sun 2/15

4:57 pm-10:42 am

2 stops15h 45m

$365

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

Sun 2/15

8:59 pm-10:48 pm

3 stops47h 49m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 11 results

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 January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Indianapolis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

9,163 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

United Airlines

7.4

Good

9,163 reviews

United Airlines

7.4

Good

9,163 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

How long is the flight from Great Falls to Indianapolis?
Departing from Great Falls to Indianapolis will take you 5h 46m. 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 $285, 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. You may be able to fly from Great Falls to Indianapolis for 50% less than the average price by searching for this airline.
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 airline flying from Great Falls to Indianapolis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$285	Average$528	FlexibilityNo cancel fee	On-time69%

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$145+ Cheap flights from Great Falls to Indianapolis (GTF - IND)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. 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

One-way 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 January 15, 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 January 15, 2026.

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 January.

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.

Reviews of airlines servicing Indianapolis

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.

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 is the cheapest airline to fly 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 airline flying from Great Falls to Indianapolis

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Book with Flexibility

Travel Smart

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 January 15, 2026.