$51 Cheap Flights from Denver (DEN) to Austin (AUS)

View $51 flight on Tue, Nov 11, 2025Opens in a new window

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

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Today's featured flight deals from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Denver to Austin (DEN-AUS)

Prices were available within the past 7 days and start at $51 for one-way flights and $92 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Nov 11 - Sat, Nov 15
DEN
Denver
AUS
Austin
$92 Roundtrip, just found
$92
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Nov 11 from Denver to Austin, returning Sat, Nov 15, priced at $92 just found
Frontier Airlines
Fri, Nov 7 - Tue, Nov 11
DEN
Denver
AUS
Austin
$106 Roundtrip, just found
$106
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Nov 7 from Denver to Austin, returning Tue, Nov 11, priced at $106 just found
Frontier Airlines
Tue, Nov 4 - Tue, Nov 18
DEN
Denver
AUS
Austin
$111 Roundtrip, found 2 days ago
$111
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Nov 4 from Denver to Austin, returning Tue, Nov 18, priced at $111 found 2 days ago
Frontier Airlines
Sat, Sep 6 - Tue, Sep 9
DEN
Denver
AUS
Austin
$112 Roundtrip, just found
$112
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 6 from Denver to Austin, returning Tue, Sep 9, priced at $112 just found
Frontier Airlines
Sat, Nov 15 - Mon, Nov 17
DEN
Denver
AUS
Austin
$116 Roundtrip, found 7 hours ago
$116
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Sat, Nov 15 from Denver to Austin, returning Mon, Nov 17, priced at $116 found 7 hours ago
Frontier Airlines
Thu, Nov 6 - Mon, Nov 10
DEN
Denver
AUS
Austin
$118 Roundtrip, found 6 hours ago
$118
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Denver to Austin, returning Mon, Nov 10, priced at $118 found 6 hours ago
United
Wed, Nov 5 - Sat, Nov 15
DEN
Denver
AUS
Austin
$135 Roundtrip, found 8 hours ago
$135
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Nov 5 from Denver to Austin, returning Sat, Nov 15, priced at $135 found 8 hours ago
Southwest Airlines
Tue, Nov 11 - Sat, Nov 15
DEN
Denver
AUS
Austin
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Southwest Airlines flight, departing Tue, Nov 11 from Denver to Austin, returning Sat, Nov 15, priced at $138 just found
American Airlines
Sat, Sep 6 - Tue, Sep 9
DEN
Denver
AUS
Austin
$159 Roundtrip, just found
$159
Roundtrip
just found
Select American Airlines flight, departing Sat, Sep 6 from Denver to Austin, returning Tue, Sep 9, priced at $159 just found
Alaska Airlines
Tue, Nov 4 - Wed, Nov 5
DEN
Denver
AUS
Austin
$277 Roundtrip, found 5 hours ago
$277
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Denver to Austin, returning Wed, Nov 5, priced at $277 found 5 hours ago

Find the cheapest month to fly from Denver (DEN) to Austin (AUS)

September is typically the cheapest month to fly

From $48 - $128 per traveler.

Graph displaying average flight prices per month

Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $183
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $183
Flights from Denver (DEN) to Austin (AUS)
Origin airport
Denver Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$92
Distance
774 mi
Average flight time
3 hours 8 mins

Denver to Austin Flights

The cheapest times to fly from Denver to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Austin are during the month of November. You can find some of the cheapest flights from Denver to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Austin

Sunday is one of the best days to book for cheap flights from Denver to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $51 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS) cost?
Secure a cheap one-way flight from $51 or cheap return flight from $92 from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
November is the cheapest month to fly from DEN to AUS. Timing your trip outside of the busy season is often the key to landing a great deal.
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 Denver Intl. Airport (DEN) to Austin-Bergstrom Intl. Airport (AUS)?
The cheapest airline to offer flights between Denver Intl. Airport (DEN) and Austin-Bergstrom Intl. Airport (AUS) will vary based on your travel dates. Frontier Airlines and United Airlines are just some well-known options offering competitive fares. Use Expedia's filter tool to compare airlines in one place and find the right DEN to AUS flight that fits your budget.
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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