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

Currently priced at $495, 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. Check Cheapflights for deals on Delta for as low as $522. You may be able to fly from Great Falls to Indianapolis for 14% less than the average price by searching for these airlines.

What is the cheapest month to book a flight from Great Falls to Indianapolis?

Currently, August is the cheapest month in which you can book a flight from Great Falls to Indianapolis (average of $297). Flying from Great Falls to Indianapolis in March is currently the most expensive (average of $361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Great Falls to Indianapolis?

Travelers seeking maximum savings on their Great Falls to Indianapolis flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Great Falls to Indianapolis?

Sunday is generally a great day to depart. Flying on this day could help you save up to 55%.

What is the cheapest month to fly from Great Falls to Indianapolis?

The best pricing can be found in the month of September. Prices to Indianapolis from Great Falls average $582. You can even find prices in September for less than $582, as users have found deals to Indianapolis from as low as $377. The month of November appears to be one of the more expensive times to travel to Indianapolis from Great Falls. Flying in the targeted month can save you up to 45%.

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

One of the essential ways to save on airfare from Great Falls to Indianapolis is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 21% on airfare.

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 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.

$495+ Flights from Great Falls to Indianapolis

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Cheap flight deals from Great Falls to Indianapolis

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$495 (United Airlines)
Popular in	November
Cheapest in	September
Average price	$647

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

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($39 potential increase over avg. RT price).

Search Deals

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

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Average for round-trip flights in May 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 mai 1, 2025.

mer. 6/186:25 amGTF - IND

1 stop14h 05mUnited Airlines

mer. 6/258:00 amIND - GTF

1 stop15h 10mUnited Airlines

Deal found 4/29

$495

mer. 6/186:00 amGTF - IND

1 stop7h 43mDelta

mer. 6/252:08 pmIND - GTF

2 stops10h 37mDelta

Deal found 4/29

$522

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 mai 1, 2025.

mer. 6/186:25 amGTF - IND

1 stop14h 05mUnited Airlines

mer. 6/258:00 amIND - GTF

1 stop15h 10mUnited Airlines

Deal found 4/29

$495

mer. 6/186:00 amGTF - IND

1 stop7h 43mDelta

mer. 6/252:08 pmIND - GTF

2 stops10h 37mDelta

Deal found 4/29

$522

Last-minute flights from Great Falls to Indianapolis
Discover last-minute flight deals from Great Falls to Indianapolis. Data last updated mai 1, 2025 and is based on user searches.

jeu. 5/222:26 pmGTF - IND

2 stops31h 24mUnited Airlines

dim. 5/258:00 amIND - GTF

1 stop15h 10mUnited Airlines

Deal found 4/30

$600

jeu. 5/226:00 amGTF - IND

1 stop8h 02mDelta

lun. 5/267:05 amIND - GTF

1 stop6h 00mDelta

Deal found 4/29

$1,128

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

mer. 6/18

6:25 am-10:30 pm

1 stop14h 05m

Indianapolis

mer. 6/25

8:00 am-9:10 pm

1 stop15h 10m

$495

Great FallsIndianapolis

GTF - IND

GTFIND

Great Falls

mer. 6/18

6:00 am-3:43 pm

1 stop7h 43m

Indianapolis

mer. 6/25

2:08 pm-10:45 pm

2 stops10h 37m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 May.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Expedia	Price Accuracy1 star	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 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.

Cheapflights Insights

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

Rainfall in Indianapolis by month

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.

Temperature in Indianapolis by month

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).

Reviews of airlines servicing Indianapolis

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Great Falls to Indianapolis round-trip?
Currently priced at $495, 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. Check Cheapflights for deals on Delta for as low as $522. You may be able to fly from Great Falls to Indianapolis for 14% 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.
What is the cheapest month to book a flight from Great Falls to Indianapolis?
Currently, August is the cheapest month in which you can book a flight from Great Falls to Indianapolis (average of $297). Flying from Great Falls to Indianapolis in March is currently the most expensive (average of $361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Greenwood

Bloomington

Terre Haute

Noblesville

Muncie

Fishers

Anderson

Carmel

Kokomo

Franklin

Plainfield

Crawfordsville

Shelbyville

Speedway

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Top 2 airlines flying from Great Falls to Indianapolis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$324	Average$823	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$370	Average$776	FlexibilityNo cancel fee	On-time69%

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$495+ 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 6/18. 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 mai 1, 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 mai 1, 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 May.

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

Rainfall in Indianapolis by month

Plan your trip to Indianapolis by taking into account the average rainfall totals by month.

Temperature in Indianapolis by month

Plan your trip to Indianapolis by taking into account the average temperature totals by month.

Reviews of airlines servicing Indianapolis

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.

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?

What is the cheapest month to book a flight from Great Falls to Indianapolis?

Traveling to a place near Great Falls?

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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 mai 1, 2025.