$40 Cheap Flights from Austin (AUS) to Denver (DEN)
Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Denver Intl. Airport (DEN)
Alaska AirlinesAlaska Airlines
Frontier AirlinesFrontier Airlines
DeltaDelta
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
JetBlue AirwaysJetBlue Airways
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Cheap Flights from Austin to Denver (AUS-DEN)
Alternative airports near Denver
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Austin (AUS) to Denver (DEN)
November is typically the cheapest month to flyNovember is typically the cheapest month to fly
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Austin (AUS) to Denver (DEN) at a glance
Travel from Austin (AUS) to Denver (DEN) with a selection of airlines providing options on this short domestic route. You can compare flight prices, schedules, and services from both full-service and low-cost carriers to find the ideal itinerary that aligns with your travel plans. With weekly flights available, you'll have flexibility in choosing the perfect time to explore Denver's iconic attractions and neighborhoods. Check the essential details for flights from Austin-Bergstrom International Airport (AUS) to Denver International Airport (DEN).
- Fastest flight duration: around 2h 30m non-stop
- Route distance: roughly 800 miles (1,290 km)
- Flights per week: around 55+ flights with multiple daily departures on average
- Typical fares (one-way): economy tickets often range from $40–$305, depending on seasonality and how far ahead you book
Flights from Austin-Bergstrom International Airport (AUS) to Denver International Airport (DEN)
Based on the latest traveler bookings, here are the top airlines flying from Austin to Denver, featuring both non-stop and one-stop options. Many travelers find popular layover points at Dallas-Fort Worth International Airport (DFW) with a layover of approximately 1 hour, Harry Reid International Airport (LAS) around 1 hour and 45 minutes, and Sky Harbor International Airport (PHX) with about a 1-hour layover. This variety allows you to customize your journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.
- Southwest Airlines: This budget-friendly airline provides both non-stop and one-stop options, with one-way fares typically falling between $70 and $385. It represents around 40% of departures on this route, with a standard non-stop flight duration of 2 hours and 30 minutes.
- United: A comprehensive airline that offers both non-stop and one-stop services, United’s one-way fares usually range from $80 to $385. It accounts for about 35% of departures on this route, with a typical non-stop flight time of 2 hours and 30 minutes.
- Frontier Airlines: As an economical option, Frontier provides non-stop and one-stop flights, with one-way fares generally between $40 and $205. It makes up approximately 17% of departures on this route, featuring a standard non-stop journey time of 2 hours and 30 minutes.
- Delta: This full-service airline offers both non-stop and one-stop flights, with one-way fares typically ranging from $75 to $335. Delta accounts for around 6% of departures on this route, boasting a usual non-stop travel time of 2 hours and 30 minutes.
- American Airlines: A full-service option that provides one-stop service, American Airlines has one-way fares typically ranging from $100 to $395. It represents about 2% of route departures, with an in-flight duration of 3 hours and 30 minutes and a total travel time of approximately 5 hours, including layover.
Travelers flying from Austin to Denver have the option to upgrade their flights, with both United and Delta offering first class and premium economy service for enhanced comfort during their journey.
Best time to fly from Austin (AUS) to Denver (DEN)
The most popular months for travelers flying from Austin to Denver are January, March, and December, when peak temperatures in Denver reach up to 38.5°F in March. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 65.1°F. For better deals, January usually offers the lowest average one-way fare around $131. Flight availability peaks in December, with approximately 75 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 46 flights per week.
- Cheapest time to fly: January usually offers good deals with average one-way fare around $131, roughly 10% cheaper than the yearly average.
- More budget-friendly months to fly: October, February, and September typically offer average one-way fares of around $138.
- Most flight options: December has the highest number of flights from Austin to Denver, with approximately 75 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 28.4°F (-2.0°C) | Moderately High | 46 | $131 |
| February | 28.6°F (-1.9°C) | Average | 49 | $136 |
| March | 38.5°F (3.6°C) | Moderately High | 60 | $160 |
| April | 45.3°F (7.4°C) | Average | 56 | $145 |
| May | 54.0°F (12.2°C) | Moderately Low | 60 | $149 |
| June | 66.9°F (19.4°C) | Moderately Low | 63 | $158 |
| July | 72.1°F (22.3°C) | Average | 65 | $162 |
| August | 71.2°F (21.8°C) | Average | 60 | $144 |
| September | 65.1°F (18.4°C) | Moderately Low | 61 | $140 |
| October | 50.2°F (10.1°C) | Average | 73 | $135 |
| November | 38.5°F (3.6°C) | Average | 64 | $141 |
| December | 28.9°F (-1.7°C) | Moderately High | 75 | $150 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Austin (AUS) to Denver (DEN)
- San Antonio to Denver (SAT-DEN): San Antonio International Airport (SAT) is located approximately 67 miles from Austin-Bergstrom International Airport (AUS). One-way economy prices for this route generally fall between $45 and $365, influenced by the season and how far in advance you book. Travelers can choose from both non-stop and one-stop flights. Notable airlines operating on this route include Frontier Airlines (a low-cost option) and United. Additionally, first-class service is available for those seeking a more premium experience.
- Austin to Colorado Springs (AUS-COS): Colorado Springs Airport (COS) is roughly 73 miles from Denver International Airport (DEN). Economy fare for one-way tickets on this route typically ranges from $95 to $320, varying with the season and booking timing. This route usually features one-stop flights, with common layovers at Denver International Airport (DEN) and Dallas-Fort Worth International Airport (DFW). Leading airlines for this journey include Southwest Airlines (a budget-friendly choice) and American Airlines. Business and first-class services are also offered for travelers looking for added comfort.
How to find the best prices for flights from Austin (AUS) to Denver (DEN)
Getting some of the best deals on flights from Austin to Denver is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures (5 am-12 pm) often offer lower prices and are also the most popular flight times. Additionally, flying on Saturday tends to be cheaper, although Friday remains the most popular travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Denver International Airport from Austin-Bergstrom International Airport
Denver welcomes travelers from Austin with a range of transport options based on price, convenience, and proximity. Here's how to reach Denver efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Denver, with private rides that can be arranged in advance.
- Car rental: Renting a car from Denver International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Denver International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Denver International Airport, Jeppesen Terminal Station, a metro station, is conveniently located just 0.1 miles away on foot, providing easy access to public transport options into the city.
Austin to Denver Flights
The cheapest times to fly from Austin to Denver
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 Austin to Denver are during the month of November. You can find some of the cheapest flights from Austin to Denver with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Austin to Denver
Sunday is one of the best days to book for cheap flights from Austin to Denver: 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 Austin to Denver
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 Austin to Denver in 2026. You can also book with separate airlines for your outbound and return journeys, from $40 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 Austin to Denver 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 Austin to Denver 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) cost?
You can find cheap one-way flights from $40 and cheap return flights $80 Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) with Expedia. One-way flights generally range between $110 and $706, and roundtrip flights usually range from $229 to $1454. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
January is the cheapest month to fly from Austin, TX (AUS) to Denver, CO (DEN), with average round-trip fares around $233. This is about 16% lower than the average price throughout the year, as travel demand tends to be lower after the holiday season. Other affordable months to consider are September and October.
*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
There are 3 airlines offering direct flights from AUS to DEN:
- United operates around 49 direct flights from AUS to DEN every week
- Delta operates around 16 direct flights from AUS to DEN every week
- Frontier Airlines operates around 13 direct flights from AUS to DEN every week
What is the cheapest airline that flies from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Austin, TX (AUS) to Denver, CO (DEN) starting from around $308. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Austin, TX (AUS) to Denver, CO (DEN) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from AUS to DEN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
For trips from Austin (AUS) to Denver (DEN), January and October are the best months to fly. You can find return flights for about $233 in January, which is great for avoiding the summer crowds. October also provides a lovely fall experience, making it a popular time to visit Denver.
*Prices based on flights available on Expedia in the last year.
How many flights per day from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
On average, there are around 17 nonstop flights per day from Austin-Bergstrom Intl. (AUS) to Denver Intl. (DEN). For more options, look at flights that include layovers.
What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Austin, TX (AUS) to Denver, CO (DEN) typically leaves at around 5:00 AM, operated by American Airlines. This service is seasonal, available from February to April. An early departure allows you to make the most of your day in Denver. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Austin (AUS) to Denver (DEN) are in the morning, from 6am to 9am. About 25% of passengers prefer this time window. Many major carriers, including Frontier Airlines and American Airlines, offer flights during this window. This timing is popular because it allows you to arrive in Denver with plenty of time to enjoy the day.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
Flying nonstop from AUS to DEN takes around 2 hours 30 minutes, with the route covering approximately 775 miles. Flights with a layover typically take 4 hours 20 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
Business class seats are offered on the AUS to DEN route with American Airlines.
First class cabins are available on:
- American Airlines
- Delta Air Lines
- United Airlines
How much is a business class flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
A direct, return business class ticket from Austin (AUS) to Denver (DEN) typically costs between $985 - $1,548. A non-stop, one-way business class flight is usually around $533 - $723. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) if you opt for a connecting flight.
*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Denver from Austin-Bergstrom Intl. (AUS)?
From Austin-Bergstrom Intl. (AUS), you can fly into Denver Intl. (DEN) to reach Denver. Some flights may connect through major hubs like Love Field (DAL), San Diego Intl. (SAN), San Francisco Intl. (SFO) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) Denver Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.)?
If you booked your Austin, TX (AUS-Austin-Bergstrom Intl.) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Austin-Bergstrom Intl. Airport |
|---|---|
Destination airport | Denver Intl. Airport |
Distance | 774 miles away |
Airlines serving | Alaska Airlines, Frontier Airlines, Delta, American Airlines, United, Southwest Airlines, JetBlue Airways, Sun Country Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $80 |
Average flight time | 2 hours 53 mins |