To Denver

Cheap Flights from Austin to Denver

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RatePunk searches hundreds of travel sites at once for deals on flights to Denver

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Austin to Denver

Explore current cheapest deals departing from Austin to Denver

Round trip

Sort by: Cheapest

August 15 - August 22

Cheapest

AUS - Denver

$215

$79

Round trip

August 20 - August 22

Cheapest

AUS - Denver

$226

$79

Round trip

August 16 - August 22

Cheapest

AUS - Denver

$215

$79

Round trip

August 21 - August 27

Cheapest

AUS - Denver

$216

$79

Round trip

August 9 - August 13

Cheapest

AUS - Denver

$224

$79

Round trip

July 14 - July 28

AUS - Denver

$135

$81

Round trip

July 8 - July 15

Best

AUS - Denver

$155

$81

Round trip

July 15 - July 22

AUS - Denver

$152

$81

Round trip

July 8 - July 14

Best

AUS - Denver

$155

$81

Round trip

July 7 - July 8

Best

Earliest

AUS - Denver

$162

$81

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Austin to Denver

For cheap flights from Austin to Denver, fares typically range from $228–$553, with a median of $387. Right now, current fares are above the typical level. Approximately 19% of recent fares were classified as a good price, indicating that competitive offers are available for this route. New deals appear almost daily, suggesting a consistent flow of pricing opportunities for travelers.

When considering the cheapest time to fly from Austin to Denver, October stands out with a median fare of just $59. Following closely, May offers a median fare of $60, and April presents a median of $65. These months represent the most budget-friendly options for this route, with significantly lower median prices compared to the overall typical range.

Most itineraries for flights from Austin to Denver connect at least once, with only 22.1% of recent fares being direct flights from Austin to Denver. For connecting itineraries, the typical number of stopovers is 2. This means travelers should generally expect to make at least one stop on their journey.

A typical journey from Austin to Denver takes approximately 15h 39m, including connections. This duration accounts for the fact that most itineraries on this route involve at least one stopover, influencing the overall travel time from origin to destination.

The distance between Austin and Denver is 1249 kilometers, which classifies this as a short-haul route. This distance typically translates to shorter flight times for direct services, though connecting itineraries will extend the total travel duration.

How much is a round trip from Austin to Denver

Regular price: $148 - $320

Prices are currently below the regular range for flights from Austin to Denver.

The regular price range for flights from Austin to Denver is $148 to $320. The current lowest deal is $79 with Frontier Airlines, for travel from Aug 15-Aug 22.

now $79

Low $148

High $320

The cheapest time to fly from Austin to Denver

The cheapest month to fly from Austin to Denver is October, with a median price of $59. The most expensive month is August, with a median price of $412. Prices are generally lower from April to December.

October

Cheapest

Flights from $59

August

Most Expensive

Flights from $412

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Austin to Denver

Frontier Airlines

Last-minute flights going from Austin to Denver

Tue, Jul 7

⌛ Last-Minute

AUS - Denver

Austin (AUS) - Denver (DEN)

Frontier Airlines

$162

$81

One-way

Tue, Jul 7

⌛ Last-Minute

AUS - Denver

Austin (AUS) - Denver (DEN)

Frontier Airlines

$132

$82

One-way

Wed, Jul 8

⌛ Last-Minute

AUS - Denver

Austin (AUS) - Denver (DEN)

Frontier Airlines

$155

$81

One-way

Wed, Jul 8

⌛ Last-Minute

AUS - Denver

Austin (AUS) - Denver (DEN)

Frontier Airlines

$155

$81

One-way

Wed, Jul 8

⌛ Last-Minute

AUS - Denver

Austin (AUS) - Denver (DEN)

Frontier Airlines

$133

$82

One-way

Sat, Jul 11

⌛ Last-Minute

AUS - Denver

Austin (AUS) - Denver (DEN)

Frontier Airlines

$159

$89

One-way

Biggest price drops on these dates for flights from Austin to Denver

2 nights

Aug 20 - Aug 22

$226 → $79

65%

4 nights

Aug 9 - Aug 13

$224 → $79

65%

1 night

Aug 29 - Aug 30

$226 → $81

64%

2 nights

Aug 21 - Aug 23

$226 → $81

64%

Popular Airports to fly from Austin to Denver

Austin - Denver route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from Austin to Denver are above the typical level for this route.

📅 Best time to fly

October is historically the cheapest month to fly.

Historically, October is the cheapest month to fly from Austin to Denver, with a median price of $59.

⏱️ Flight duration

Direct flights take 15h 39m on average.

The typical flight duration for this route is 15 hours 39 minutes, with 22.1% of flights being direct.

✈️ Airlines & availability

Frontier Airlines offers direct flights.

Frontier Airlines offers direct flights from Austin to Denver, with frequent deals available daily.

🏆 Airline highlight

Frontier Airlines has a recent deal for $79.

Frontier Airlines recently offered a deal for $79 from Austin to Denver, valid August 15-August 22.

🎯 Booking tip

Good prices are available on 19% of recent deals.

Historically, 19% of recent deals for this route were considered good prices.

Austin main airports to depart from

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International Airport offers the cheapest flights from Austin to Denver.

📍 ~10 km from Austin city center (reachable by car)

💸 Flights from ~$79

Denver main airports to arrive at

Denver International (DEN)

Cheapest

Denver International Airport is the primary arrival airport for flights to Denver, offering convenient access to the city.

📍 ~30 km from Denver (reachable by car, bus, or train).

💸 Flights from ~$79

Airports nearby Denver used as alternative

Colorado Springs (COS)

Cheapest

Colorado Springs (COS) is a robust alternative to Denver, especially if you are traveling to southern Colorado.

📍 ~110 km from Denver (approximately 1.5 hours drive depending on I-25 traffic)

💸 Flights from ~$203

Eagle County Regional (EGE)

Eagle County Regional (EGE) is a strong alternative for travelers heading to Colorado's western mountains.

📍 ~185 km from Denver (reachable by car)

💸 Flights from ~$256

Aspen–Pitkin County (ASE)

Aspen–Pitkin County (ASE) is an option for travelers seeking access to the Aspen area.

📍 ~205 km from Denver (reachable by car)

💸 Flights from ~$489

Cheyenne Regional (CYS)

Cheyenne Regional (CYS) can be a useful alternative for those traveling to northern Denver metro area.

📍 ~160 km from Denver (reachable by car)

💸 Flights from ~$205

Yampa Valley (HDN)

Yampa Valley (HDN) is a viable gateway for the Northwest Colorado region, offering business class service.

📍 ~215 km from Denver (reachable by car)

💸 Flights from ~$271

Business & First Class Flight Deals to Denver

68% AI deal score

$636

$537

Save $99

Frequently Asked Questions About Flights to Denver

Historically, the best time to book flights from Austin to Denver is typically 7-13 days before departure. During this window, the average price for a flight is around $223. Booking 14-27 days out sees the average price increase to $368. For flights booked 28-59 days in advance, the average price is $535, which is similar to the $530 average for bookings made 60+ days out.

Across the trailing quarter, a good price for a flight from Austin to Denver is typically $228 or less. The median price for this route has historically been around $387. Prices can go higher, with 75% of observed prices being $553 or less. These figures are based on pricing data from the past 90 days.

Historically, the cheapest months to fly from Austin to Denver are October, with a median price of $59, and May, with a median price of $60. April also offers competitive pricing, with a median of $65. The annual median price for this route is $387, indicating significant savings are possible during these months.

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