Austin skyline and Congress Avenue Bridge reflected in Lady Bird Lake at sunset

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

  • About 776 miles
  • About 2.1 hours
  • Best months: Mar, May, Oct

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Austin is calling, and Denver travelers have plenty of options. Airlines on DEN to AUS include American, United, Southwest and Frontier. Expect about 2.1 hours in the air and fares from $179 when you book at the right moment.

Tips for finding a lower fare

  • Try booking a Tuesday or Wednesday departure to Austin; those days are quieter on most carriers.
  • Use a fare calendar and look at a full month before choosing dates.
  • Compare the total trip cost, including bags and seat fees, not just the base fare to AUS.

Airlines on this route

American, United, Southwest, Frontier

Things to see in Austin

  • Rainey Street
  • South Congress Avenue
  • Zilker Park

Frequently asked questions

When is the cheapest time to fly from Denver to Austin?

Fares on DEN to AUS are often lower in Mar, May and Oct. Prices move with demand, so compare a few dates on the partner site before you decide.

How long is the flight from DEN to AUS?

A nonstop flight takes about 2.1 hours. Itineraries with a connection take longer, depending on the layover.

Which airlines fly from Denver to Austin?

Carriers we commonly see on this route include American, United, Southwest and Frontier. Schedules and availability change, so check current options when you search.

How far ahead should I book DEN to AUS?

For most domestic trips, booking about 1 to 3 months ahead gives a good balance of price and choice. Holiday travel is better booked earlier.

Is the price I see here the final price?

No. Fares shown on this page are indicative and change often. The final price, taxes and fees are shown on the partner site at booking.

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