Cheap Flights from Austin, TX to Denver, CO from $45

One way Round trip

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On Cheapflightsplus.com you will find 13 direct and 227 connecting flights from Austin to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $45, 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.

Find One-Way and Round-Trip Austin to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $45 (one-way), $77 (round-trip).

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Best Flights from Austin to Denver Today

Take a look at the list of non stop flights and flights with layovers from Austin to Denver with the lowest price of $45. The fastest direct flight takes 2h 16m and the fastest connecting – 4h 18m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $45 Find flight	07:00 Austin Austin-Bergstrom Intl	08:20 Denver Denver International	2h 20m	Frontier Airlines	F91815
from $83 Find flight	18:19 Austin Austin-Bergstrom Intl	19:40 Denver Denver International	2h 21m	United Airlines	UA377
from $83 Find flight	20:37 Austin Austin-Bergstrom Intl	21:58 Denver Denver International	2h 21m	United Airlines	UA297
from $84 Find flight	05:15 Austin Austin-Bergstrom Intl	06:31 Denver Denver International	2h 16m	United Airlines	UA361
from $84 Find flight	08:52 Austin Austin-Bergstrom Intl	10:08 Denver Denver International	2h 16m	United Airlines	UA595
from $84 Find flight	18:19 Austin Austin-Bergstrom Intl	19:40 Denver Denver International	2h 21m	United Airlines	UA345
from $99 Find flight	12:56 Austin Austin-Bergstrom Intl	14:17 Denver Denver International	2h 21m	United Airlines	UA785
from $140 Find flight	11:25 Austin Austin-Bergstrom Intl	12:45 Denver Denver International	2h 20m	United Airlines	UA779
from $76 Find flight	10:21 Austin Austin-Bergstrom Intl	23:11 Denver Denver International	13h 50m layover 6h 49m - Orlando	Frontier Airlines	F94524 F93311
from $81 Find flight	15:39 Austin Austin-Bergstrom Intl	03:59+1 день Denver Denver International	13h 20m layover 8h 18m - Las Vegas	Frontier Airlines	F93645 F91994
from $81 Find flight	19:24 Austin Austin-Bergstrom Intl	08:28+1 день Denver Denver International	14h 4m layover 6h 13m - Philadelphia	Frontier Airlines	F91842 F93339
from $81 Find flight	15:39 Austin Austin-Bergstrom Intl	09:09+1 день Denver Denver International	18h 30m layover 13h 19m - Las Vegas	Frontier Airlines	F93645 F92350
from $81 Find flight	19:31 Austin Austin-Bergstrom Intl	20:18+1 день Denver Denver International	25h 47m layover 19h 31m - Cleveland	Frontier Airlines	F94002 F94637
from $81 Find flight	19:31 Austin Austin-Bergstrom Intl	21:25+1 день Denver Denver International	26h 54m layover 20h 26m - Cleveland	Frontier Airlines	F94002 F94639
from $93 Find flight	13:22 Austin Austin-Bergstrom Intl	07:16+1 день Denver Denver International	18h 54m layover 13h 14m - Fletcher	Allegiant Air	G41872 G4233
from $94 Find flight	13:59 Austin Austin-Bergstrom Intl	18:58 Denver Denver International	5h 59m layover 0h 54m - Las Vegas	Frontier Airlines	F94683 F93540

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 23, 2025

Flight Schedule Austin (Texas) to Denver (Colorado)

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	Flight Details	Flight Duration	Price
05:15 — 06:31	05:15 — 06:31 UA361 United Airlines Austin — Denver	2h 16m	Find flight from$84
05:45 — 07:05	05:45 — 07:05 UA1277 United Airlines Austin — Denver	2h 20m	Find flight from$100
07:00 — 08:20	07:00 — 08:20 F91815 Frontier Airlines Austin — Denver	2h 20m	Find flight from$45
08:52 — 10:08	08:52 — 10:08 UA595 United Airlines Austin — Denver	2h 16m	Find flight from$84
11:25 — 12:45	11:25 — 12:45 UA779 United Airlines Austin — Denver	2h 20m	Find flight from$140
12:50 — 14:16	12:50 — 14:16 UA2473 United Airlines Austin — Denver	2h 26m	Find flight from$100
12:56 — 14:17	12:56 — 14:17 UA785 United Airlines Austin — Denver	2h 21m	Find flight from$99
15:00 — 16:21	15:00 — 16:21 UA2447 United Airlines Austin — Denver	2h 21m	Find flight from$99
18:00 — 19:23	18:00 — 19:23 UA439 United Airlines Austin — Denver	2h 23m	Find flight from$84
18:19 — 19:40	18:19 — 19:40 UA377 United Airlines Austin — Denver	2h 21m	Find flight from$83
18:19 — 19:40	18:19 — 19:40 UA345 United Airlines Austin — Denver	2h 21m	Find flight from$84
20:30 — 21:56	20:30 — 21:56 UA233 United Airlines Austin — Denver	2h 26m	Find flight from$100
20:37 — 21:58	20:37 — 21:58 UA297 United Airlines Austin — Denver	2h 21m	Find flight from$83
07:05 — 12:44	07:05 — 08:12 UA656 United Airlines Austin — Houston 2h 58m stop 11:10 — 12:44 UA2453 United Airlines Houston — Denver	6h 39m including layover	Find flight from$120
09:46 — 14:22	09:35 — 10:40 UA2196 United Airlines Austin — Houston 1h 57m stop 12:40 — 14:14 UA2013 United Airlines Houston — Denver	5h 36m including layover	Find flight from$120
09:46 — 16:30	09:52 — 10:56 UA2196 United Airlines Austin — Houston 4h stop 14:50 — 16:40 UA241 United Airlines Houston — Denver	7h 44m including layover	Find flight from$120
10:21 — 23:11	17:56 — 21:42 F94524 Frontier Airlines Austin — Orlando 6h 49m stop 20:59 — 23:19 F93311 Frontier Airlines Orlando — Denver	13h 50m including layover	Find flight from$76
11:20 — 16:40	11:20 — 12:30 UA4703 United Airlines Austin — Houston 2h 20m stop 14:50 — 16:40 UA241 United Airlines Houston — Denver	6h 20m including layover	Find flight from$120
11:20 — 16:40	11:17 — 12:28 UA6202 United Airlines Austin — Houston 2h 20m stop 14:50 — 16:40 UA241 United Airlines Houston — Denver	6h 20m including layover	Find flight from$123
13:22 — 07:16 +1 day	13:22 — 16:46 G41872 Allegiant Air Austin — Fletcher 13h 14m stop 06:00 — 07:16 G4233 Allegiant Air Fletcher — Denver	18h 54m including layover	Find flight from$93
13:59 — 18:58	13:53 — 14:55 F94683 Frontier Airlines Austin — Las Vegas 54m stop 15:46 — 18:57 F93540 Frontier Airlines Las Vegas — Denver	5h 59m including layover	Find flight from$94
14:15 — 17:55	14:15 — 15:22 UA1646 United Airlines Austin — Houston 58m stop 16:20 — 17:58 UA2338 United Airlines Houston — Denver	4h 40m including layover	Find flight from$113
14:15 — 18:17	14:15 — 15:27 UA6116 United Airlines Austin — Houston 58m stop 16:25 — 18:17 UA2338 United Airlines Houston — Denver	5h 2m including layover	Find flight from$120
15:39 — 03:59 +1 day	15:39 — 16:41 F93645 Frontier Airlines Austin — Las Vegas 8h 18m stop 00:59 — 03:59 F91994 Frontier Airlines Las Vegas — Denver	13h 20m including layover	Find flight from$81
15:39 — 09:09 +1 day	15:39 — 16:41 F93645 Frontier Airlines Austin — Las Vegas 13h 19m stop 06:00 — 09:09 F92350 Frontier Airlines Las Vegas — Denver	18h 30m including layover	Find flight from$81
16:07 — 07:09 +1 day	14:44 — 18:20 F93672 Frontier Airlines Austin — Covington 10h 19m stop 06:05 — 07:15 F93725 Frontier Airlines Covington — Denver	16h 2m including layover	Find flight from$86
16:07 — 19:18 +1 day	16:07 — 19:45 F93672 Frontier Airlines Austin — Covington 22h 22m stop 18:06 — 19:19 F93285 Frontier Airlines Covington — Denver	28h 11m including layover	Find flight from$94
17:55 — 21:59	17:55 — 19:00 UA1338 United Airlines Austin — Houston 1h 19m stop 20:19 — 21:59 UA536 United Airlines Houston — Denver	5h 4m including layover	Find flight from$113
17:56 — 07:59 +1 day	17:56 — 21:42 F94524 Frontier Airlines Austin — Orlando 8h 18m stop 06:00 — 07:59 F91733 Frontier Airlines Orlando — Denver	15h 3m including layover	Find flight from$80
19:24 — 08:28 +1 day	19:24 — 23:59 F91842 Frontier Airlines Austin — Philadelphia 6h 13m stop 06:15 — 08:29 F93339 Frontier Airlines Philadelphia — Denver	14h 4m including layover	Find flight from$81
19:31 — 20:18 +1 day	19:31 — 23:35 F94002 Frontier Airlines Austin — Cleveland 19h 31m stop 19:00 — 20:18 F94637 Frontier Airlines Cleveland — Denver	25h 47m including layover	Find flight from$81
08:28 — 07:10 +1 day	08:28 — 11:57 G43007 Allegiant Air Austin — Sarasota 2h 52m stop 14:59 — 17:13 G41994 Allegiant Air Sarasota — Covington 13h 7m stop 06:15 — 07:10 G4393 Allegiant Air Covington — Denver	23h 42m including layover	Find flight from$120

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on June 23, 2025

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 05:00 to 20:54 from 3 Austin airports and arrive 05:00 to 20:54 to 2 Denver airports. Average flight time is 2h 21m.

The fastest flight 2h 16m
Average flight time 2h 21m
The earliest flight 05:00
The latest flight 20:54
Distance 777 ml

The cheapest months to travel to Denver are august (from 61 $), july (from 63 $), june (from 87 $).

The most expensive months are december (from 196 $), november (from 195 $), february (from 144 $).

What is the lowest airfare Austin to Denver?

The cheapest plane ticket found by our users is $45. This airfare is for economy class on one-way F91815 flight by Frontier Airlines for August 16, 2025 which leaves Austin-Bergstrom Intl in Austin at 07:00 am and arrives at Denver Denver International at 08:20.

Economy class

$45

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Business class

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First class

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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 Frontier Airlines - 17 departures per week at the price of from $ 45 . And the most expensive tickets are offered by United Airlines airline - from $ 450.

Direct flights

There are 13 nonstop flights on the route. The fastest direct flight is UA361 by United Airlines takes 2h 16m and the cheapest is F91815 by Frontier Airlines for $45.

F9 - Frontier Airlines

from $45

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UA - United Airlines

from $83

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Connecting Flights

There are 227 flights with layovers on the route. The fastest connecting flight is UA789 by United Airlines takes 4h 18m and the cheapest is F91815 by Frontier Airlines for $76.

F9 - Frontier Airlines

from $76

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UA - United Airlines

from $113

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AS - Alaska Airlines

from $147

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HA - Hawaiian Airlines

from $141

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G4 - Allegiant Air

from $93

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NK - Spirit Airlines

from $115

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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 $45
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Austin-ASQ

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Camp Maybry AHP-MMR

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Denver airports

Denver International-DEN

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Arapahoe Co-APA

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Airplanes

There are flights to Denver from Austin by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Austin

You may also consider searching for discounted plane tickets to some other popular places from Austin within United States.

Austin — Las Vegas

from $66

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Austin — New York

from $78

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Austin — Denver

from $67

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Austin — Boston

from $62

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Austin — Orlando

from $73

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Austin — Seattle

from $66

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Austin — Miami

from $57

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Austin — Dallas

from $54

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Austin — Atlanta

from $57

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Austin — Los Angeles

from $68

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Top International Destinations from Austin

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Austin — London

from $56

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Austin — Cancun

from $54

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Austin — Mexico City

from $64

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Austin — Paris

from $56

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Austin — Toronto

from $67

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Austin — Madrid

from $72

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Austin — Puerto Vallarta

from $61

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Austin — Montreal

from $76

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Austin — Dublin

from $79

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Austin — San Juan

from $62

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How to book a plane 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.