Cheap Flights to Keystone

View AU$89 flight on Fri, 23 Jan 2026Opens in a new window

Popular airlines to Keystone

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Cheap Tickets to Keystone

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 29 Jan - Wed, 25 Feb
LAX
Los Angeles
DEN
Denver
AU$178 Return, found 13 hours ago
AU$178
Return
found 13 hours ago
Select American Airlines flight, departing Thu, 29 Jan from Los Angeles to Denver, returning Wed, 25 Feb, priced at AU$178 found 13 hours ago
Delta
Sat, 31 Jan - Sat, 7 Feb
LAX
Los Angeles
DEN
Denver
AU$180 Return, found 1 hour ago
AU$180
Return
found 1 hour ago
Select Delta flight, departing Sat, 31 Jan from Los Angeles to Denver, returning Sat, 7 Feb, priced at AU$180 found 1 hour ago
Alaska Airlines
Sat, 31 Jan - Sat, 7 Feb
LAX
Los Angeles
DEN
Denver
AU$270 Return, found 1 hour ago
AU$270
Return
found 1 hour ago
Select Alaska Airlines flight, departing Sat, 31 Jan from Los Angeles to Denver, returning Sat, 7 Feb, priced at AU$270 found 1 hour ago
Hawaiian Airlines
Fri, 6 Mar - Sat, 7 Mar
LAX
Los Angeles
DEN
Denver
AU$456 Return, found 17 hours ago
AU$456
Return
found 17 hours ago
Select Hawaiian Airlines flight, departing Fri, 6 Mar from Los Angeles to Denver, returning Sat, 7 Mar, priced at AU$456 found 17 hours ago
Air Canada
Wed, 12 Nov - Thu, 27 Nov
SYD
Sydney
DEN
Denver
AU$1,312 Return, found 18 hours ago
AU$1,312
Return
found 18 hours ago
Select Air Canada flight, departing Wed, 12 Nov from Sydney to Denver, returning Thu, 27 Nov, priced at AU$1,312 found 18 hours ago

Find the cheapest month to fly from Columbus (CMH) to Denver (DEN)

September is typically the cheapest month to fly

From AU$171 - AU$360 per traveller.

Keystone Flights

Have the time of your life in Keystone

Flying to Keystone is now easier than ever when you use Expedia to book your trip. We’ve got an extensive catalogue of Keystone flight deals, giving you the greatest number of options to choose from. Whether you prefer to fly on weekdays or weekends, in the morning or at night, a quick search on Expedia.com.au will help you find cheap tickets to Keystone in seconds. We even make it simple for you to stick with a certain airline if you’re trying to rack up frequent flyer points.

Tips for flying and packing light

If it’s been a while since you’ve travelled, you might be due for a refresher when it comes to flying. That’s where our helpful blog, Out There Starts Here, comes in. Wondering whether to pack for fine dining or more casual eats? Or whether you really need to bring a jacket? Written by seasoned travel experts, the articles on our blog provide you with the latest details about certain destinations, so you know just what to expect. Check out some of our recent articles for the smartest ways to see the sights.

Fly for less when you bundle airfare and accommodation

Our already low airfares are even more affordable when you bundle your flights with a stay at one of the hotels in Keystone. By booking all of your travel plans with us, you’ll save time and money, and enjoy the convenience of having all of your arrangements in one place.

Get the power of planning in the palm of your hand

Booking your trip to Keystone, Colorado has never been easier than when you use our mobile app to plan your dream getaway. The Expedia App is available on both Android and iOS, allowing you to reserve flights and hotels at any time of day, no matter what kind of phone you use. You’ll also get exclusive offers, receive flight updates, and can earn extra points. Wherever you are, the Expedia App helps you get where you want to be.

Join the Expedia Rewards Program

If you enjoy the finer things in life, sign up for our rewards program to receive exclusive benefits when you book with us. Expedia Rewards opens the door to member-only deals, +VIP Access hotel benefits, and earning Expedia Rewards points, that you can redeem your way. You’ll also get access to Unreal Deals that could save you the price of a plane ticket to Keystone when bundled with your accommodation.

What are you waiting for?

Expedia.com.au helps you find cheap flights to Keystone AU$178. So why wait another second to begin planning your trip? Start your search right now, and you could be boarding the next Keystone-bound flight. Bon voyage!

Frequently asked questions

What is the name of Keystone's airport?
Keystone is served by several airports, but most travellers prefer to touch down at Denver Intl. Airport (DEN).
What airport is best to fly into Keystone?
Aspen/Pitkin County Airport is the main airport in Keystone. Before you take off, it's a wise idea to find out a little about it. The terminal sits around 88 kilometres from the downtown area.
How many airlines fly to Keystone?
There are 24 air carriers that service Keystone from 205 airports across the globe.
Which airlines fly to Keystone?
Typically, travellers choose to fly with American Airlines, United Airlines and Frontier Airlines when heading off to Keystone. The biggest proportion of these flights originate in Dallas, with American Airlines flying this route the most frequently.
How many nonstop flights are there to Keystone?
With around 6,118 nonstop flights operating every week, you'll be hitting the tarmac in Keystone before you can ask, "Are we there yet?"
Where are the most popular flights to Keystone departing from?
Travellers frequently depart from Dallas, Phoenix and Chicago airports when heading to Keystone.
How long is the flight to Keystone Airport?
If you're heading to Keystone from Dallas, you'll have a flight time of 2 hours and 22 minutes. Those leaving from Phoenix can expect to be on the plane for 2 hours and 4 minutes. From Chicago it's approximately 3 hours away.
How to book the cheapest flight to Keystone?
If you want to have some extra spending money on your Keystone holiday, then listen up! As any experienced traveller will tell you, avoid booking at the last minute. Prices are usually highest just prior to the departure date. Another easy way to pick up the most competitive fare is to research all options. If where you're headed has a few airports, don't forget to research the cost of flying into a smaller terminal. Last but not least, another simple way to save some cash is be ready to book at a moment's notice. If you stumble on an irresistible deal, don't hold off — snap it up while you can.
Do you have any tips for my flight to Keystone?
Depending on where you're coming from, your journey to Keystone could be completely painless or it could go on forever. We've pulled together some handy hints that will help you start your next unforgettable escape on a positive note. What to pack in your hand luggage:

  • First of all, put in your passport, travel documents, bank cards and medications. Next, you'll want some entertainment to while away the hours. A juicy book and a tablet crammed with your favourite shows are some terrific options. If you plan to take a short nap, a comfy neck pillow and some earplugs will also come in handy. Finally, make room for a toothbrush and some facial wipes so you'll step off the plane looking fresh and raring to go.

Do not pack the following items in your hand luggage:

  • Put all your full-sized bottles of hair gel and hairspray in your checked luggage. Any liquids in your carry-on bag larger than 3.4 ounces (100 millilitres) will be confiscated by security. Sharp objects, like your precious Swiss Army knife, and dangerous goods which are flammable or explosive, such as flares, chemicals agents and strong acids, are also not allowed.

What to wear on a flight:

  • Comfort should be your top priority when choosing what to wear on your flight. Loose, breathable clothing is a wise option, as are flat, slip-on shoes.
  • Deep vein thrombosis (DVT), a blood clot condition caused by lengthy periods of inactivity, can be a risk on long-haul flights. Make a point of walking around the cabin or do some simple exercises in your seat to promote better circulation.

How to get through airport security fast when flying to Keystone?
The answer is simple — be prepared. We've rounded up some top tips for a fuss-free trip through airport security. Watch out Keystone, here you come:

  • Be sure to have your passport and boarding pass within easy reach. They're the first things you'll be asked to show at airport security.
  • The X-ray machine comes next. Empty your pockets and remove anything that is likely to beep. This includes items like earphones or headphones, as well as your coat or jacket. They'll all need to go on the X-ray conveyor belt.
  • All electronic gadgets, including your phone and tablet, are also required to be scanned separately.
  • Remember to remove gels and liquids from your hand luggage. They usually need to be sent through the X-ray separately. Each product should be no larger than 3.4 ounces (100 millilitres) and everything must fit inside a single quart-size (one litre), clear zip-close bag.
  • Lightweight sneakers are a great footwear choice as you're less likely to have to remove them when passing through security. Big boots and other bulky shoes are usually subjected to additional screening.
  • Take all prohibited items out of your carry-on bag. If you have any sharp objects like a pocket knife or tools, put them in your checked suitcase. They won't be allowed in the cabin.

Flights to Keystone information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Destination city name
Denver
Return price
AU$1,311

Trending flights to Keystone

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 12 Nov - Thu, 27 Nov
SYD
Sydney
DEN
Denver
AU$1,312 Return, found 18 hours ago
AU$1,312
Return
found 18 hours ago
Select Air Canada flight, departing Wed, 12 Nov from Sydney to Denver, returning Thu, 27 Nov, priced at AU$1,312 found 18 hours ago

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