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

View $50 flight on Sat, May 10, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Denver to Austin (DEN-AUS)

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 - Sat, May 17
DEN
Denver
AUS
Austin
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 10 from Denver to Austin, returning Sat, May 17, priced at $100 just found
Frontier Airlines
Sat, Jun 14 - Tue, Jun 17
DEN
Denver
AUS
Austin
$119 Roundtrip, found 4 hours ago
$119
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Denver to Austin, returning Tue, Jun 17, priced at $119 found 4 hours ago
Frontier Airlines
Tue, Jun 3 - Wed, Jun 11
DEN
Denver
AUS
Austin
$125 Roundtrip, found 1 hour ago
$125
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Jun 3 from Denver to Austin, returning Wed, Jun 11, priced at $125 found 1 hour ago
Frontier Airlines
Tue, May 20 - Sat, May 24
DEN
Denver
AUS
Austin
$127 Roundtrip, found 1 hour ago
$127
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, May 20 from Denver to Austin, returning Sat, May 24, priced at $127 found 1 hour ago
Frontier Airlines
Sat, May 17 - Tue, May 20
DEN
Denver
AUS
Austin
$133 Roundtrip, found 1 hour ago
$133
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 17 from Denver to Austin, returning Tue, May 20, priced at $133 found 1 hour ago
Frontier Airlines
Sat, May 24 - Tue, Jun 3
DEN
Denver
AUS
Austin
$134 Roundtrip, found 2 hours ago
$134
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 24 from Denver to Austin, returning Tue, Jun 3, priced at $134 found 2 hours ago
Southwest Airlines
Wed, May 14 - Wed, May 21
DEN
Denver
AUS
Austin
$143 Roundtrip, found 6 hours ago
$143
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, May 14 from Denver to Austin, returning Wed, May 21, priced at $143 found 6 hours ago
American Airlines
Thu, May 15 - Sat, May 17
DEN
Denver
AUS
Austin
$150 Roundtrip, found 1 hour ago
$150
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, May 15 from Denver to Austin, returning Sat, May 17, priced at $150 found 1 hour ago
Delta
Wed, Jun 11 - Sat, Jun 14
DEN
Denver
AUS
Austin
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Delta flight, departing Wed, Jun 11 from Denver to Austin, returning Sat, Jun 14, priced at $159 just found
United
Fri, May 16 - Mon, May 19
DEN
Denver
AUS
Austin
$165 Roundtrip, just found
$165
Roundtrip
just found
Select United flight, departing Fri, May 16 from Denver to Austin, returning Mon, May 19, priced at $165 just found

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS) cost?
You can find cheap return fares from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS) starting at $160. Reserve your seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving DEN on May 14 2025 and touching down at AUS. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to AUS?
The cheapest flights from DEN to AUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
Choose from 3 carriers that fly nonstop from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS). These include:

  • Southwest Airlines
  • United Airlines
  • Frontier Airlines

What is the cheapest airline that flies from DEN to AUS?
Currently, the cheapest carrier operating one-way flights from DEN to AUS is Southwest Airlines. You can take off on this route from $83. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on May 21 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
Each day on average, 11 nonstop flights operate from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS). Pick the departure time that best suits your plans.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
Flights between DEN and AUS are busiest at 1 PM. If you’d like a quieter trip and potentially cheaper tickets, look for a departure that’s outside typical rush times.
What day of the week has the most flights from DEN to AUS?
Sunday offers the most flights from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS). Consider jetting off on this day and you’ll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
Denver Intl. Airport (DEN)’s earliest flight to Austin-Bergstrom Intl. Airport (AUS) leaves at approximately 6:15AM UTC-7. With a total journey time of 2h 15m, you’ll touch down at around 9:30AM UTC-6.
How long does it take to fly from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
The average flight duration from DEN to AUS is 2 hours and 12 minutes, covering a distance of 780 mi.
What airline has the least delays from DEN to AUS?
Consider traveling with Frontier Airlines if you’d like to go straight from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS) without any delays. This airline has the strongest track record for punctuality, with an on-time performance of 85%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
To avoid potential delays on the Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS) route, fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Austin from Denver Intl. Airport (DEN)?
If you’re flying on a direct flight from Denver Intl. Airport (DEN) to Austin, Austin-Bergstrom Intl. Airport (AUS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Booking your ticket from DEN to AUS just before your journey is generally more expensive. But if there’s some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a DEN to AUS flight and hotel package?
Booking a DEN to AUS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
Typically, it’s possible to cancel or reschedule your DEN to AUS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find further details on our Customer Service portal.
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