When did momondo last update prices for flights from Indianapolis Airport to Great Falls Airport?

Prices for flights from Indianapolis Airport to Great Falls Airport are updated daily.

How many operators does momondo search for flights from Indianapolis Airport to Great Falls Airport?

As of September 2025, there are 2 operators available to choose from for flights from Indianapolis Airport to Great Falls Airport.

How old do you have to be to fly from Indianapolis Airport to Great Falls Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indianapolis Airport to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$389 Cheap Flights from Indianapolis to Great Falls in 2025/26

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Find the cheapest flights from Indianapolis to Great Falls

Round-trip

One-way

Cheap round-trip flights

8:05 am - 12:28 pmIND-GTF

6h 23m1 stop

1:08 pm - 10:53 pmGTF-IND

7h 45m1 stop

$438Delta

Find Deal

Tue, Oct 28 - Wed, Oct 29

2:08 pm - 11:06 pmIND-GTF

10h 58m2 stops

1:08 pm - 10:53 pmGTF-IND

7h 45m1 stop

$444Delta

Find Deal

Tue, Oct 28 - Wed, Oct 29

9:10 am - 1:26 pmIND-GTF

6h 16m1 stop

2:31 pm - 10:18 pmGTF-IND

5h 47m1 stop

$489United Airlines

Find Deal

Tue, Oct 21 - Fri, Oct 24

7:45 am - 12:28 pmIND-GTF

6h 43m1 stop

1:08 pm - 10:53 pmGTF-IND

7h 45m1 stop

$493Delta

Find Deal

Sat, Oct 18 - Mon, Oct 27

11:27 am - 9:11 pmIND-GTF

11h 44m2 stops

2:31 pm - 10:18 pmGTF-IND

5h 47m1 stop

$495United Airlines

Find Deal

Tue, Oct 21 - Fri, Oct 24

7:00 am - 5:35 pmIND-GTF

12h 35m1 stop

6:50 pm - 5:56 pmGTF-IND

21h 06m1 stop

$522Alaska Airlines

Find Deal

Sat, Oct 18 - Mon, Oct 27

8:00 am - 1:26 pmIND-GTF

7h 26m1 stop

2:30 pm - 3:43 pmGTF-IND

23h 13m2 stops

$529United Airlines

Find Deal

Sat, Oct 18 - Mon, Oct 27

12:11 pm - 9:11 pmIND-GTF

11h 00m2 stops

2:30 pm - 10:30 pmGTF-IND

6h 00m1 stop

$534United Airlines

Find Deal

Sat, Oct 18 - Mon, Oct 27

7:15 am - 6:10 pmIND-GTF

12h 55m2 stops

6:50 pm - 10:25 amGTF-IND

13h 35m2 stops

$577Alaska Airlines

Find Deal

Tue, Oct 28 - Wed, Oct 29

7:00 am - 5:35 pmIND-GTF

12h 35m1 stop

6:15 pm - 5:02 amGTF-IND

8h 47m1 stop

$612Alaska Airlines

Find Deal

Sat, Oct 11 - Sat, Oct 18

Delta flights from Indianapolis to Great Falls

Our best Delta deals on Indianapolis to Great Falls flight tickets

Delta

Oct 28

IND8:05 amIndianapolis

6h 23m

1 stop

GTF12:28 pmGreat Falls

Oct 29

GTF1:08 pmGreat Falls

7h 45m

1 stop

IND10:53 pmIndianapolis

$438

Find similar

Delta

Oct 28

IND2:08 pmIndianapolis

10h 58m

2 stops

GTF11:06 pmGreat Falls

Oct 29

GTF1:08 pmGreat Falls

7h 45m

1 stop

IND10:53 pmIndianapolis

$444

Find similar

Delta

Oct 18

IND7:45 amIndianapolis

6h 43m

1 stop

GTF12:28 pmGreat Falls

Oct 27

GTF1:08 pmGreat Falls

7h 45m

1 stop

IND10:53 pmIndianapolis

$493

Find similar

United Airlines flights from Indianapolis to Great Falls

Our best United Airlines deals on Indianapolis to Great Falls flight tickets

United Airlines

Oct 21

IND9:10 amIndianapolis

6h 16m

1 stop

GTF1:26 pmGreat Falls

Oct 24

GTF2:31 pmGreat Falls

5h 47m

1 stop

IND10:18 pmIndianapolis

$489

Find similar

United Airlines

Oct 21

IND11:27 amIndianapolis

11h 44m

2 stops

GTF9:11 pmGreat Falls

Oct 24

GTF2:31 pmGreat Falls

5h 47m

1 stop

IND10:18 pmIndianapolis

$495

Find similar

United Airlines

Oct 18

IND8:00 amIndianapolis

7h 26m

1 stop

GTF1:26 pmGreat Falls

Oct 27

GTF2:30 pmGreat Falls

23h 13m

2 stops

IND3:43 pmIndianapolis

$529

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Tue 10/28

8:05 am-12:28 pm

1 stop6h 23m

Great Falls

Wed 10/29

1:08 pm-10:53 pm

1 stop7h 45m

$438

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Tue 10/28

2:08 pm-11:06 pm

2 stops10h 58m

Great Falls

Wed 10/29

1:08 pm-10:53 pm

1 stop7h 45m

$444

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Tue 10/21

9:10 am-1:26 pm

1 stop6h 16m

Great Falls

Fri 10/24

2:31 pm-10:18 pm

1 stop5h 47m

$489

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Sat 10/18

7:45 am-12:28 pm

1 stop6h 43m

Great Falls

Mon 10/27

1:08 pm-10:53 pm

1 stop7h 45m

$493

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Tue 10/21

11:27 am-9:11 pm

2 stops11h 44m

Great Falls

Fri 10/24

2:31 pm-10:18 pm

1 stop5h 47m

$495

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Sat 10/18

7:00 am-5:35 pm

1 stop12h 35m

Great Falls

Mon 10/27

6:50 pm-5:56 pm

1 stop21h 06m

$522

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Sat 10/18

8:00 am-1:26 pm

1 stop7h 26m

Great Falls

Mon 10/27

2:30 pm-3:43 pm

2 stops23h 13m

$529

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Sat 10/18

12:11 pm-9:11 pm

2 stops11h 00m

Great Falls

Mon 10/27

2:30 pm-10:30 pm

1 stop6h 00m

$534

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Tue 10/28

7:15 am-6:10 pm

2 stops12h 55m

Great Falls

Wed 10/29

6:50 pm-10:25 am

2 stops13h 35m

$577

IndianapolisGreat Falls

IND - GTF

INDGTF

Indianapolis

Sat 10/11

7:00 am-5:35 pm

1 stop12h 35m

Great Falls

Sat 10/18

6:15 pm-5:02 am

1 stop8h 47m

$612

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Indianapolis to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Thursday when prices can be found for as low as $578. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Indianapolis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $878.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the evening. momondo users have found flights departing from Indianapolis to Great Falls in the evening for as low as $580. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $633 on average. Flights to Great Falls from Indianapolis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Indianapolis to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Indianapolis to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Indianapolis to Great Falls (IND to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to Great Falls

Direct flights	None

There are no direct flights from Indianapolis to Great Falls. There are no popular flight routes from Indianapolis to Great Falls.

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How far is Indianapolis to Great Falls by plane?
The distance between Indianapolis and Great Falls is about 1357.4 mi. In terms of flight time, this usually takes a little over 6h 16m.
When did momondo last update prices for flights from Indianapolis Airport to Great Falls Airport?
Prices for flights from Indianapolis Airport to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Indianapolis Airport to Great Falls Airport?
As of September 2025, there are 2 operators available to choose from for flights from Indianapolis Airport to Great Falls Airport.
How old do you have to be to fly from Indianapolis Airport to Great Falls Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indianapolis Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Indianapolis to Great Falls?
Based on momondo bookings for flights between Indianapolis and Great Falls, the leading airline is United Airlines, making up 61% of the total bookings. Other popular airlines include Delta with 39%.

Best airlines flying from Indianapolis to Great Falls

Compare and see reviews for airlines that fly from Indianapolis to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $422	Free Cancellation	Rating 7.9 7,961 reviews		Search Delta flights
United Airlines	PriceFrom $428	Free Cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Indianapolis to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Indianapolis.

Can I find flights from Indianapolis to Great Falls with flexible booking policies on momondo?

momondo does allow users to show only those flights to Great Falls from Indianapolis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Indianapolis to Great Falls?

Once you have performed a search for Indianapolis to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Indianapolis to Great Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Great Falls from Indianapolis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.