Cheap Flights from Austin, TX to Denver, CO from $120

Return flight: Denver – Austin

On Cheapflightsplus.com you will find 7 direct and 79 connecting flights from Austin to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $120, book and save on cheap plane tickets and last minute offers. Also check out AUS-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Austin to Denver depends on and how to choose the most interesting flight option for you.

Distance between Austin and Denver is 1249 miles. Time difference between the cities is 1h. Airplanes depart 05:15 to 21:41 from 3 Austin airports and arrive 05:15 to 21:41 to 2 Denver airports. Average flight time is 2h 26m.

  • The fastest flight 2h 25m
  • Average flight time 2h 26m
  • The earliest flight 05:15
  • The latest flight 21:41
  • Distance 777 ml

The cheapest months to travel to Denver are december (from 120 $), september (from 129 $), october (from 133 $).

What is the lowest airfare Austin to Denver?

The cheapest plane ticket found by our users is $120. This airfare is for economy class on one-way F91815 flight by Frontier Airlines for December 22, 2025 which leaves Austin-Bergstrom Intl in Austin at 06:45 am and arrives at Denver Denver International at 08:10.

Economy class
$120
Find
Business class
?
Find
First class
?
Find

Flight Schedule Austin (Texas) to Denver (Colorado)

05:15 — 06:51
2h 36m flight time
Find flight
from$313
Austin — Denver
UA4680 United Airlines
06:45 — 08:10
2h 25m flight time
Find flight
from$120
Austin — Denver
F91815 Frontier Airlines
08:46 — 10:12
2h 26m flight time
Find flight
from$240
Austin — Denver
UA595 United Airlines
09:03 — 23:04
15h 1m flight time
Find flight
from$157
09:03 — 12:40 Austin — Orlando
F94524 Frontier Airlines
8h 2m stop
20:42 — 23:04 Orlando — Denver
F93311 Frontier Airlines
09:03 — 08:24+1day
24h 21m flight time
Find flight
from$166
09:03 — 12:40 Austin — Orlando
F94524 Frontier Airlines
17h 20m stop
06:00 — 08:24 Orlando — Denver
F91733 Frontier Airlines
11:00 — 08:56+1day
22h 56m flight time
Find flight
from$204
11:00 — 13:57 Austin — Chicago
F93034 Frontier Airlines
17h 3m stop
07:00 — 08:56 Chicago — Denver
F91483 Frontier Airlines
11:33 — 17:39
7h 6m flight time
Find flight
from$198
11:33 — 13:13 Austin — Phoenix
F93659 Frontier Airlines
2h 30m stop
15:43 — 17:39 Phoenix — Denver
F92142 Frontier Airlines
11:59 — 13:26
2h 27m flight time
Find flight
from$240
Austin — Denver
UA2003 United Airlines
14:44 — 16:10
2h 26m flight time
Find flight
from$178
Austin — Denver
F92889 Frontier Airlines
14:55 — 16:22
2h 27m flight time
Find flight
from$205
Austin — Denver
UA2447 United Airlines
17:13 — 03:58+1day
11h 45m flight time
Find flight
from$157
17:13 — 18:19 Austin — Las Vegas
F94683 Frontier Airlines
6h 40m stop
00:59 — 03:58 Las Vegas — Denver
F91994 Frontier Airlines
17:13 — 09:04+1day
16h 51m flight time
Find flight
from$157
17:13 — 18:19 Austin — Las Vegas
F94683 Frontier Airlines
11h 41m stop
06:00 — 09:04 Las Vegas — Denver
F92350 Frontier Airlines
17:13 — 23:33
7h 20m flight time
Find flight
from$198
17:13 — 18:19 Austin — Las Vegas
F94683 Frontier Airlines
2h 11m stop
20:30 — 23:33 Las Vegas — Denver
F94612 Frontier Airlines
17:13 — 10:03+1day
17h 50m flight time
Find flight
from$204
19:53 — 20:45 Austin — San Diego
F91877 Frontier Airlines
11h 59m stop
06:25 — 10:00 San Diego — Denver
F92818 Frontier Airlines
18:22 — 19:48
2h 26m flight time
Find flight
from$205
Austin — Denver
UA2418 United Airlines
Full flight schedule will help you in detecting at what time planes fly from Austin to Denver. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on December 9, 2025.

Popular Airlines on the Route

The flight Austin — Denver is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 5 departures per week at the price of from $ 378 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1240.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is F91815 by Frontier Airlines takes 2h 25m and the cheapest is F91815 by Frontier Airlines for $120.

  • F9 - Frontier Airlines
    from $120
    Find
  • UA - United Airlines
    from $205
    Find
See more direct flights

Connecting Flights

There are 79 flights with layovers on the route. The fastest connecting flight is UA1934 by United Airlines takes 4h 32m and the cheapest is F91815 by Frontier Airlines for $157.

  • AS - Alaska Airlines
    from $378
    Find
  • F9 - Frontier Airlines
    from $157
    Find
  • HA - Hawaiian Airlines
    from $369
    Find
  • UA - United Airlines
    from $215
    Find
  • G4 - Allegiant Air
    from $260
    Find
  • NK - Spirit Airlines
    from $274
    Find
See more connecting flights

Airports

You can fly from Austin to Denver from 3 airports (Austin-Bergstrom Intl, Austin, Camp Maybry AHP).

Austin airports

  • Austin-Bergstrom Intl-AUS
    from $120
    Find
  • Austin-ASQ
    Find
  • Camp Maybry AHP-MMR
    Find

Denver airports

  • Denver International-DEN
    Find
  • Arapahoe Co-APA
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back