Cheap flights from Austin to Denver

One-way fares from $28 · AUS → DEN · prices found by travellers in the last 48 hours

Compare all dates Denver → Austin
Cheapest fare
$28

Frontier Airlines · Tue, Nov 17

Cheapest month
November

from $28

Direct flights
Yes

Frontier Airlines and Southwest Airlines

Flight time
2h 15m

1,240 km

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Cheapest month to fly from Austin to Denver

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $28
  2. December 2026 $80

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart20:21 Tue, Nov 17AUS → DEN 2h 27m · Direct
$28one way, per person
View deal
Frontier Airlines
Depart20:04 Tue, Nov 24AUS → DEN 2h 27m · Direct
$28one way, per person
View deal
Frontier Airlines
Depart20:21 Fri, Nov 13AUS → DEN 2h 27m · Direct
$70one way, per person
View deal
Frontier Airlines
Depart20:21 Sat, Nov 14AUS → DEN 2h 27m · Direct
$72one way, per person
View deal
Southwest Airlines
Depart06:30 Sun, Nov 15AUS → DEN 2h 15m · Direct
$150one way, per person
View deal
Frontier Airlines
Depart13:08 Thu, Nov 12AUS → DEN 5h 10m · 1 stop
$171one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Denver

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in DenverCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in DenverTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in DenverPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in DenverCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Austin to Denver

Austin (AUS) and Denver (DEN) are about 1,240 km apart. Direct flights take around 2h 15m, and recent direct fares were with Frontier Airlines and Southwest Airlines. Over the next few months, one-way fares start from $28, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Austin to Denver?

The cheapest one-way fare we've seen recently is $28 with Frontier Airlines, departing Tuesday, November 17, 2026. Over the coming months, the lowest fare in each month ranges from $28 to $80.

What is the cheapest month to fly from Austin to Denver?

November 2026 currently has the lowest fares, from $28 one way.

Are there direct flights from Austin to Denver?

Yes. Recent direct fares were with Frontier Airlines and Southwest Airlines.

How long is the flight from Austin to Denver?

A direct flight takes about 2h 15m. Austin and Denver are around 1,240 km apart.

Which airlines fly from Austin to Denver?

Recent fares on this route were with Frontier Airlines and Southwest Airlines.

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