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$64+ Cheap flights from Indianapolis to Denver (IND - DEN)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
IND — DEN
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Indianapolis to Denver Intl are usually found in September or August, booked 45 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Indianapolis to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 21, 2025.

Round-trip from

$107
(Frontier)

One-way from

$64
(Priceline)

Popular in

December

Cheapest in

September

Average price

$189

Good round-trip deal

$195 or less

Good one-way deal

$119 or less
From Indianapolis to Denver Intl
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One-way flight from Indianapolis to Denver Intl
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Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Indianapolis to Denver Intl.
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Price to beat on a one-way flight from Indianapolis to Denver Intl.
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Find flight deals from Indianapolis to Denver

Cheapest flights from Indianapolis to Denver
Explore the most affordable flight options available from Indianapolis to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Frontier deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:58 pmIND - DEN
Nonstop2h 51mFrontier
Sun 10/53:32 pmDEN - IND
Nonstop2h 32mFrontier
Deal found 8/20$107
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:58 pmIND - DEN
Nonstop2h 51mFrontier
Sat 9/2711:40 amDEN - IND
Nonstop2h 34mFrontier
Deal found 8/19$108
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:54 pmIND - DEN
Nonstop2h 51mFrontier
Sat 9/2711:40 amDEN - IND
Nonstop2h 34mFrontier
Deal found 8/19$109
This Cheapflightsfares deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:01 pmIND - DEN
Nonstop2h 51mFrontier
Sun 10/53:32 pmDEN - IND
Nonstop2h 32mFrontier
Deal found 8/19$110
This Cheapflightsfares deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:25 pmIND - DEN
Nonstop2h 56mFrontier
Sun 8/313:38 pmDEN - IND
Nonstop2h 36mFrontier
Deal found 8/19$111
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:24 pmIND - DEN
Nonstop2h 57mFrontier
Sun 10/263:36 pmDEN - IND
Nonstop2h 30mFrontier
Deal found 8/18$112
This Cheapflightsfares deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:44 pmIND - DEN
1 stop5h 58mFrontier
Mon 9/83:32 pmDEN - IND
Nonstop2h 32mFrontier
Deal found 8/19$116
This Cheapflightsfares deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:39 pmIND - DEN
Nonstop2h 58mFrontier
Sun 11/163:14 pmDEN - IND
Nonstop2h 30mFrontier
Deal found 8/20$117
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:39 pmIND - DEN
Nonstop2h 58mFrontier
Sun 11/93:14 pmDEN - IND
Nonstop2h 30mFrontier
Deal found 8/20$118
This Frontier deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:54 pmIND - DEN
Nonstop2h 51mFrontier
Mon 9/293:32 pmDEN - IND
Nonstop2h 32mFrontier
Deal found 8/19$119

Cheapflights Fare Finder

 
Customize your flight search to find flights from Indianapolis to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Indianapolis to Denver that are best for you.

Fly from

Indianapolis

Fly to

Denver

Route

Depart

Return

Price

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Fri 10/3

8:58 pm-9:49 pm

Nonstop2h 51m

Denver Intl

Sun 10/5

3:32 pm-8:04 pm

Nonstop2h 32m

$107

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Fri 9/19

8:58 pm-9:49 pm

Nonstop2h 51m

Denver Intl

Sat 9/27

11:40 am-4:14 pm

Nonstop2h 34m

$108

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Fri 10/3

8:58 pm-9:49 pm

Nonstop2h 51m

Denver Intl

Sat 10/4

11:40 am-4:14 pm

Nonstop2h 34m

$110

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Fri 10/31

8:39 pm-9:37 pm

Nonstop2h 58m

Denver Intl

Sun 11/2

3:14 pm-7:44 pm

Nonstop2h 30m

$110

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Fri 9/26

7:44 pm-11:42 pm

1 stop5h 58m

Denver Intl

Mon 9/29

3:32 pm-8:04 pm

Nonstop2h 32m

$116

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Fri 10/17

8:51 pm-9:49 pm

Nonstop2h 58m

Denver Intl

Sun 10/19

6:15 am-1:51 pm

1 stop5h 36m

$117

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Thu 10/2

8:54 pm-9:45 pm

Nonstop2h 51m

Denver Intl

Mon 10/6

3:32 pm-8:04 pm

Nonstop2h 32m

$119

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Fri 9/5

12:06 pm-8:47 pm

1 stop10h 41m

Denver Intl

Mon 9/8

3:32 pm-8:04 pm

Nonstop2h 32m

$120

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Sat 9/20

5:01 pm-5:52 pm

Nonstop2h 51m

Denver Intl

Mon 9/22

3:32 pm-8:04 pm

Nonstop2h 32m

$123

IndianapolisDenver

IND - DEN

INDDEN

Indianapolis

Thu 11/13

8:39 pm-9:37 pm

Nonstop2h 58m

Denver Intl

Sun 11/16

3:14 pm-7:44 pm

Nonstop2h 30m

$124

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 20 results
1
2

The best insider tips for Indianapolis to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Indianapolis to Denver trip
Airlines
Frontier

Frontier's UpFront Plus offers a guaranteed empty middle seat for extra comfort.


Early check-in on Frontier helps secure your seat due to frequent overbooking.

Read more about Frontierby Marisa Garcia
Southwest

Southwest offers two free checked bags, including oversized items like skis.


Southwest's free in-flight entertainment includes early-release movies and live TV.

Read more about Southwestby Marisa Garcia
Airports
IND

IND's security lines are efficient, with average wait times under 3 minutes. Check wait times online for peace of mind before your flight.

Read more about INDby Barbara Noe Kennedy
DEN

Take the A Line train from DEN to Union Station in 37 minutes. It runs every 15 minutes and connects to downtown Denver.

Read more about DENby Emily Zemler
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Barbara Noe Kennedy

Barbara Noe Kennedy

Expert on IND

Barbara Noe Kennedy

Barbara Noe Kennedy

Award-winning travel journalist Barbara Noe Kennedy writes about destinations around the world—but her heart is in her home state of Virginia, where she’s always researching her next travel story.

Read more

Best time to book a flight from Indianapolis to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Indianapolis 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 Indianapolis to Denver

How far ahead should I book a flight from Indianapolis to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Indianapolis to Denver. Price data was last updated on August 8, 2025.

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from Indianapolis to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Indianapolis to Denver (average of $197). Flying from Indianapolis to Denver in March is currently the most expensive (average of $278). 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 time of day to fly from IND to DEN?

Find hourly flight availability from Indianapolis to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

One of the essential ways to save on airfare from Indianapolis to Denver 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 48% on airfare.

What is the cheapest day to fly from Indianapolis to Denver?

Use this chart to determine the cheapest time to fly round-trip from Indianapolis to Denver. Price data was last updated on August 17, 2025.

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

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated August 21, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Indianapolis to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,930 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,207 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Indianapolis to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Indianapolis to Denver?

    To fly from Indianapolis to Denver, you need to book a flight from Indianapolis (IND) to Denver Intl (DEN). Nonstop flights to Denver Intl from Indianapolis take 2h 45m on average. When it comes time to book airfare, you have a few options: there are 7 outbound flights from Indianapolis to Denver Intl offered by 5 different airlines.

  • How popular is this Indianapolis to Denver flight route?

    This flight path from Indianapolis to Denver Intl was viewed by 165 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Indianapolis to Denver?

    A quick flight from Indianapolis to Denver can take about 2h 51m. Frontier provides one of the quickest options available for as low as $107. There are 973 mi between Indianapolis and Denver. All flights are typically nonstop.

  • What are the cheapest airlines flying from Indianapolis to Denver round-trip?

    According to our current data, Frontier ($69), Delta ($108), and United Airlines ($152) offers the cheapest pricing from Indianapolis to Denver. Frontier is currently priced 70% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Indianapolis to Denver?

    Consider Frontier (78%), Air Canada (72%) or United Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Indianapolis to Denver.

  • What are the cheapest flights from Indianapolis to Denver?

    On average you can expect to pay $228 for a flight from Indianapolis to Denver. The cheapest flight overall is $88 while the most popular route, (Indianapolis - Denver Intl) is currently priced at $108.

  • Can I find deals for flights from Indianapolis to Denver that include hotel bookings?

    Yes. In addition to deals on Indianapolis to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indianapolis to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indianapolis to Denver.

  • Can I find deals for business class flights from Indianapolis to Denver?

    Yes. Cheapflights offers flight deals from Indianapolis to Denver 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 Indianapolis to Denver?

    Currently, October is the cheapest month in which you can book a flight from Indianapolis to Denver (average of $197). Flying from Indianapolis to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Golden
Winter Park
Greeley
Lone Tree
Lakewood
Cripple Creek
Thornton
Broomfield
Silverthorne
Frisco
Manitou Springs
Grand Lake
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Indianapolis to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Indianapolis to Denver

Discover the top 5 airlines that operate flights from Indianapolis to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$69Average$173FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$236FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$152Average$343FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$158Average$261FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$177Average$321FlexibilityNo cancel feeOn-time63%

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