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Flights from Austin to Denver

Book direct flights from Austin to Denver: One way flights from $21, round trip flights from $55. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Sat, May 23 | Frontier Airlines
        DEN 5:00 PM
        2h 18m
        Nonstop
        AUS 8:18 PM
        Denver - Austin | Sat, May 30 | Frontier Airlines
        $55 $246
        78% off
        78% off
        $246 $55
      • AUS 8:15 PM
        2h 34m
        Nonstop
        DEN 9:49 PM
        Austin - Denver | Sat, Jun 13 | Frontier Airlines
        DEN 8:46 PM
        2h 13m
        Nonstop
        AUS 11:59 PM
        Denver - Austin | Mon, Jun 15 | Frontier Airlines
        $56 $246
        77% off
        77% off
        $246 $56
      • AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Sat, May 30 | Frontier Airlines
        DEN 6:30 AM
        2h 13m
        Nonstop
        AUS 9:43 AM
        Denver - Austin | Mon, Jun 1 | Frontier Airlines
        $56 $246
        77% off
        77% off
        $246 $56
      • AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Sat, Jun 6 | Frontier Airlines
        DEN 6:30 AM
        2h 13m
        Nonstop
        AUS 9:43 AM
        Denver - Austin | Mon, Jun 8 | Frontier Airlines
        $56
        77% off
        $246 $56
      • AUS 10:28 AM
        2h 39m
        Nonstop
        DEN 12:07 PM
        Austin - Denver | Thu, May 28 | Frontier Airlines
        DEN 6:30 AM
        2h 13m
        Nonstop
        AUS 9:43 AM
        Denver - Austin | Mon, Jun 1 | Frontier Airlines
        $57
        77% off
        $246 $57
      • AUS 6:30 AM
        2h 25m
        Nonstop
        DEN 7:55 AM
        Austin - Denver | Wed, Jun 17 | Frontier Airlines
        DEN 3:50 PM
        2h 40m
        Nonstop
        AUS 7:30 PM
        Denver - Austin | Wed, Jun 17 | Frontier Airlines
        $57
        77% off
        $246 $57
      • AUS 8:15 PM
        2h 34m
        Nonstop
        DEN 9:49 PM
        Austin - Denver | Tue, Jun 9 | Frontier Airlines
        DEN 8:46 PM
        2h 13m
        Nonstop
        AUS 11:59 PM
        Denver - Austin | Fri, Jun 12 | Frontier Airlines
        $57
        77% off
        $246 $57
      • AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Tue, May 19 | Frontier Airlines
        DEN 6:30 AM
        2h 13m
        Nonstop
        AUS 9:43 AM
        Denver - Austin | Wed, May 27 | Frontier Airlines
        $58
        76% off
        $246 $58
      • AUS 8:15 PM
        2h 34m
        Nonstop
        DEN 9:49 PM
        Austin - Denver | Thu, Jun 11 | Frontier Airlines
        DEN 8:46 PM
        2h 13m
        Nonstop
        AUS 11:59 PM
        Denver - Austin | Thu, Jun 18 | Frontier Airlines
        $58
        76% off
        $246 $58
      • AUS 10:28 AM
        2h 39m
        Nonstop
        DEN 12:07 PM
        Austin - Denver | Fri, May 29 | Frontier Airlines
        DEN 6:30 AM
        2h 13m
        Nonstop
        AUS 9:43 AM
        Denver - Austin | Mon, Jun 1 | Frontier Airlines
        $223
        9% off
        $246 $223
      • AUS 1:00 PM
        17h 25m
        1 stop
        DEN 2:00 PM
        Austin - Denver | Wed, May 20 | Normal Airline
        DEN 3:00 PM
        6h
        Nonstop
        AUS 4:00 PM
        Denver - Austin | Fri, May 22 | Normal Airline
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      • Cheapest nonstop
        AUS 8:15 PM
        2h 29m
        Nonstop
        DEN 9:44 PM
        Austin - Denver | Wed, Jul 8 | Frontier Airlines
        $21 $232
        91% off
        91% off
        $232 $21
      • AUS 8:15 PM
        2h 34m
        Nonstop
        DEN 9:49 PM
        Austin - Denver | Sat, Jun 13 | Frontier Airlines
        $29 $232
        88% off
        88% off
        $232 $29
      • AUS 8:15 PM
        2h 34m
        Nonstop
        DEN 9:49 PM
        Austin - Denver | Wed, Jun 24 | Frontier Airlines
        $29 $232
        88% off
        88% off
        $232 $29
      • AUS 8:15 PM
        2h 29m
        Nonstop
        DEN 9:44 PM
        Austin - Denver | Tue, Jul 7 | Frontier Airlines
        $70
        70% off
        $232 $70
      • AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Tue, Jun 2 | Frontier Airlines
        $98
        57% off
        $232 $98
      • AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Sat, Jun 6 | Frontier Airlines
        $100
        56% off
        $232 $100
      • AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Sun, May 31 | Frontier Airlines
        $100
        56% off
        $232 $100
      • AUS 6:30 AM
        2h 25m
        Nonstop
        DEN 7:55 AM
        Austin - Denver | Tue, Jun 16 | Frontier Airlines
        $127
        45% off
        $232 $127
      • AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Fri, May 29 | Frontier Airlines
        $204
        12% off
        $232 $204
      • AUS 9:13 PM
        2h 48m
        Nonstop
        DEN 11:01 PM
        Austin - Denver | Tue, May 26 | Frontier Airlines
        $211
        9% off
        $232 $211
      • AUS 1:00 PM
        17h 25m
        1 stop
        DEN 2:00 PM
        Austin - Denver | Wed, May 20 | Normal Airline
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Displayed flight fares from Austin to Denver are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com price insights on flights from Austin to Denver

Which month has the cheapest one-way flights from to Denver?

The average price of one-way flights from to Denver purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from to Denver is June, with an average price of $92; while the month with the highest flight price is usually November, with an average price of up to $247.

$247
$170
$92
$15
    Cheapest
  • $170
    May
  • $92
    Jun
  • $206
    Jul
  • $123
    Aug
  • $123
    Sep
  • $130
    Oct
  • $247
    Nov
  • $174
    Dec
  • $108
    Jan
  • $146
    Feb
  • $106
    Mar
  • $228
    Apr

When is the cheapest day to fly from Austin to Denver during Memorial Day?

Data is based on the lowest one-way price from Austin to Denver during Memorial Day on Trip.com in the past 3 days.

Memorial Day is scheduled for May 25. The cheapest flights from Austin to Denver are available on May 24, with fares starting at $135.

$217
$176
$135
$94
    Cheapest
  • $217
    22
    May
  • $217
    23
  • $135
    24
  • $217
    25
  • $214
    26
  • $189
    27

Frequently Asked Questions

  • What are the cheapest flights from Austin to Denver (AUS-DEN)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $21 on Cheapest nonstop routes (e.g. AUS to DEN on Wed, Jul 8), while Frontier Airlines offers Cheapest nonstop round-trips from $55 departing on Sat, May 23 and returning on Sat, May 30.
  • At the moment, you can catch a nonstop flight from Austin to Denver with the following airlines, including: Frontier Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 22 minutes to fly from Austin (AUS) to Denver (DEN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Austin to Denver is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 9 flight per week flying from Austin to Denver. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL3669 (18:03)
  • To find best deals on flights from Austin to Denver, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jul 8, with one-way flights priced at just $21.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Denver travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Austin to Denver is October, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Austin to Denver on May 31, 2026 with Frontier Airlines, with prices starting at $29.
  • You can land at any one of the following hubs in Denver, with Austin-Bergstrom International Airport to Denver International Airport (AUS-DEN) is by far the most common option on this route: Denver International Airport (DEN) Rocky Mountain Metropolitan Airport (BJC).
  • The time difference between Denver and Austin is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.