$50 Cheap Flights from Austin (AUS) to Denver (DEN)

View $50 flight on Sat, Jun 14, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN)

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Find available prices by choosing your travel dates.

Cheap Flights from Austin to Denver (AUS-DEN)

Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, May 10 - Wed, May 14
AUS
Austin
DEN
Denver
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 10 from Austin to Denver, returning Wed, May 14, priced at $100 just found
Frontier Airlines
Tue, Jun 10 - Wed, Jun 18
AUS
Austin
DEN
Denver
$119 Roundtrip, found 2 hours ago
$119
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Jun 10 from Austin to Denver, returning Wed, Jun 18, priced at $119 found 2 hours ago
Frontier Airlines
Sat, Jun 7 - Wed, Jun 11
AUS
Austin
DEN
Denver
$125 Roundtrip, just found
$125
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jun 7 from Austin to Denver, returning Wed, Jun 11, priced at $125 just found
Frontier Airlines
Sat, May 24 - Tue, Jun 3
AUS
Austin
DEN
Denver
$127 Roundtrip, just found
$127
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 24 from Austin to Denver, returning Tue, Jun 3, priced at $127 just found
Southwest Airlines
Thu, May 15 - Sat, May 17
AUS
Austin
DEN
Denver
$133 Roundtrip, just found
$133
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, May 15 from Austin to Denver, returning Sat, May 17, priced at $133 just found
Frontier Airlines
Tue, May 27 - Wed, Jun 4
AUS
Austin
DEN
Denver
$134 Roundtrip, found 2 hours ago
$134
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, May 27 from Austin to Denver, returning Wed, Jun 4, priced at $134 found 2 hours ago
Southwest Airlines
Wed, May 14 - Wed, May 21
AUS
Austin
DEN
Denver
$143 Roundtrip, found 4 hours ago
$143
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Wed, May 14 from Austin to Denver, returning Wed, May 21, priced at $143 found 4 hours ago
Delta
Thu, May 15 - Sat, May 17
AUS
Austin
DEN
Denver
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Delta flight, departing Thu, May 15 from Austin to Denver, returning Sat, May 17, priced at $149 just found
United
Sat, May 17 - Sun, May 18
AUS
Austin
DEN
Denver
$165 Roundtrip, just found
$165
Roundtrip
just found
Select United flight, departing Sat, May 17 from Austin to Denver, returning Sun, May 18, priced at $165 just found
American Airlines
Thu, May 15 - Mon, May 19
AUS
Austin
DEN
Denver
$199 Roundtrip, just found
$199
Roundtrip
just found
Select American Airlines flight, departing Thu, May 15 from Austin to Denver, returning Mon, May 19, priced at $199 just found

Frequently asked questions

How long does it take to fly from Austin--Bergstrom International Airport to DEN?
United Airlines operates a direct flight leaving AUS at 10:55AM and coming in to land at Denver Airport at 12:17PM — a total flight time of 2 hours and 22 minutes. Book your preferred seat, pack a few things to keep you busy and enjoy the ride.
Is it cheaper to buy a plane ticket from Austin--Bergstrom International Airport to Denver Airport last minute?
Booking your trip from Austin–Bergstrom International Airport to DIA airport last minute could save you some dough if you hit the jackpot and find a bargain. However, fares generally don’t get cheaper as the departure date nears. If you hold out, flights could also be booked out or the best seats gone (that could mean the middle seat!). If you’d rather not take any chances, book well in advance of the date you want to leave. Remember that some of the most awesome deals can be found up to a year in advance. If your favorite airline hasn’t released tickets yet, check back regularly as offers are updated on Expedia constantly.
What airline has the least delays from Austin--Bergstrom International Airport to Denver Intl. Airport (DEN)?
Head off with United Airlines from AUS to DEN and there’s a good chance you’ll land at the time on your boarding pass. This airline takes first place on this route, with 87% of on-time arrivals. If there is a delay to your flight, the free Expedia App is a good way to stay updated. It’ll give you immediate trip notifications, from flight delays to gate changes.
What airports do you fly into for Denver from Austin?
With Denver Intl. Airport (DEN), Centennial Airport (APA) and Broomfield, CO (BJC-Rocky Mountain Metropolitan) to select from, journeying from Austin to Denver is a breeze. The city’s main terminal, Denver Intl. Airport (DEN), is about 19 mi east of the center. Apart from the price of fares, consider things like public transportation options from the airport and the distance to your hotel before deciding where you’ll get off the plane. Get your Denver vacation off on the right foot by discovering Empower Field at Mile High and Coors Field.
What are the most popular departure times for flights from AUS to Denver Intl. Airport (DEN)?
Between 8:00 PM - 9:00 PM is when you’ll find lots of United Airlines flights jetting from Austin-Bergstrom Intl. Airport (AUS) to DIA airport. Our top tip? Book a flight that departs in the morning. With air traffic yet to build up, your chances of catching a delay-free flight are higher.
Can I change the date of my flight from AUS to DEN?
Quickly make changes to your AUS to DEN flight through the Expedia Trips portal. But before you make any amendments, read through the rules in your itinerary to see what the airline will let you do and whether fees apply. Some carriers charge a change fee per person, plus any difference in ticket prices. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also stop by our Customer Service portal to find the answers to your questions and to chat with our Virtual Agent.
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