Indianapolis to Denver, Colorado (IND → DEN)

Denver sits in the South Platte River valley at the western edge of the High Plains, 12 miles east of the foothills of the Rockies, and its official elevation is exactly one mile. Union Station and Lower Downtown are the center of a first visit, Red Rocks Amphitheatre, the concert venue near Morrison about ten miles southwest of Denver, is the show, and the step on the State Capitol marks the mile-high line. Denver International is about 25 miles northeast of downtown by road, the largest commercial airport in North America by land area and a hub for United and Frontier, and the A Line train runs from it to Union Station in 37 minutes.

Indianapolis has a nonstop to Denver on the airport’s route map, listed as year-round, and three airlines flew it nonstop on the dates we read: Frontier from $108 round trip, Southwest from $227 and United from $336. The lowest fare we’ve priced is $108 on Frontier, nonstop both ways, and it was there on more than 150 date pairs from November through February when we read it on October 21, 2026, including a week leaving December 1 and a week leaving January 25. On October 9 the floor had been $137.

Cheapest time to fly from Indianapolis to Denver

On October 21, 2026 we priced every departure from November 2026 through May 2027 at every trip length from two days to two weeks. November, December, January and February all bottomed out at $108, on 24 November pairs, 135 December pairs, and single pairs leaving January 25 and February 5. March was $192 for two days, then the fare jumps: April $374 for four days and May $507 for two. A typical date ran $178 in December, $216 to $227 from November through February, $365 in March and $507 in April and May.

Departure monthLowest round trip seenTypical fare that month
November 2026$108 (Nov 11 to 15, 4 days)$218
December 2026$108 (Dec 1 to 8, 7 days)$178
January 2027$108 (Jan 25 to Feb 1, 7 days)$216
February 2027$108 (Feb 5 to 11, 6 days)$227
March 2027$192 (Mar 1 to 3, 2 days)$365
April 2027$374 (Apr 1 to 5, 4 days)$507
May 2027$507 (May 1 to 3, 2 days)$507

Airlines that fly Indianapolis to Denver

This is what Google Flights showed on the dates we checked, not a schedule, so treat it as the shape of the route rather than a promise.

Frontier
Nonstop both ways, 2 hours 57 minutes out and 2 hours 30 minutes back, from $108, and the same price with a stop in Orlando or Dallas on the way home
When we saw it: December 1 to 8, read October 21, 2026
Southwest
Nonstop both ways, from $227
When we saw it: November 11 to 15, read October 21, 2026
United
Nonstop both ways, from $336
When we saw it: February 5 to 11, read October 21, 2026

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Here’s a live search for this route. Change the dates to fit your trip:

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Indianapolis to Denver fare history

$108
round trip
December 1 to 8, 2026
Frontier, nonstop both ways
Seen October 21, 2026
$108
round trip
November 11 to 15, 2026
Frontier, nonstop both ways
Seen October 21, 2026
$108
round trip
January 25 to February 1, 2027
Frontier, nonstop both ways
Seen October 21, 2026
$108
round trip
February 5 to 11, 2027
Frontier, nonstop both ways
Seen October 21, 2026
$138
round trip
November 2 to 7, 2026
Frontier, nonstop both ways
Seen October 9, 2026
$137
round trip
December 1 to 4, 2026
Frontier, through Atlanta out and nonstop back, an 8-hour layover in Atlanta going out
Seen October 9, 2026
$184
round trip
March 1 to 3, 2027
Frontier, nonstop both ways
Seen October 9, 2026

All of these fares were on Google Flights on an Indianapolis search on the day shown next to each one, and the times are for the quickest itinerary at each fare. The $108 trip leaving December 1 departs Indianapolis at 4:41 PM and lands in Denver at 5:38 PM, and the flight home leaves at 11:16 AM on the 8th and lands at 3:46 PM. The $108 trip leaving November 11 departs at 4:03 PM and lands at 5:00 PM, and the flight home leaves at 10:41 AM on the 15th. The $138 trip leaving November 2 departs Indianapolis at 3:58 PM and lands in Denver at 4:54 PM, and the flight home leaves at 10:41 AM on the 7th. The $137 trip leaving December 1 departs Indianapolis at 7:19 PM and lands in Denver at 6:36 AM the next day, and the flight home leaves at 11:16 AM on the 4th. The $184 trip leaving March 1 departs Indianapolis at 4:30 PM and lands in Denver at 5:38 PM, and the flight home leaves at 11:05 AM on the 3rd. The nonstop on the same December dates is $138.

Indianapolis to Denver flight questions

Is there a nonstop from Indianapolis to Denver? Yes, on Frontier, Southwest and United, and the airport’s route map lists it as year-round. Frontier was the cheapest at $108 nonstop both ways, Southwest was $227 and United $336.

How long is the flight? Frontier took 2 hours 56 minutes going out and 2 hours 27 minutes coming back nonstop on the November dates. Southwest took 2 hours 45 minutes to 2 hours 50 minutes out and 2 hours 15 minutes to 2 hours 20 minutes back, and United took 2 hours 52 minutes out and 2 hours 28 minutes to 2 hours 32 minutes back.

What’s a good price? Under $200 round trip through March. November through February sat at $108 when we checked on October 21, 2026, March at $192, and April and May started at $374 and $507.

Which airport does this fare use? Indianapolis International, IND. Every fare on this page is an Indianapolis search.

Do the cheap fares include a bag? No. The $108 is a Frontier fare with a personal item only; a carry-on and a checked bag are extra. Southwest’s $227 and United’s $336 have their own bag rules.

If Denver is the plan but the dates don’t fit, Las Vegas, San Diego and Portland are the other Western routes we track from Indianapolis. All our North America routes are in the North America list.

Note: the fares above are historical and airfare prices change constantly. They may not include baggage fees, which vary by airline and ticket class. Always confirm the current price and any add-on fees directly with the airline before booking.

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