$30 Cheap Flights to Keystone, CO

Plan your trip for September if you want to get a deal on your fare. It's the cheapest month to fly to Keystone. If possible, avoid traveling during peak periods such as public holidays or school breaks.

Generally, Chicago, Phoenix and Dallas have cheap flights to Keystone. However, being flexible is always key to landing a bargain. Plan your escape midweek or during the low season to keep costs as low as possible.

There are 164 US cities that you can fly to Keystone directly from. Compare your options by using the "Direct flights only" box on Expedia and find the ideal departure point for your trip. Here are a handful of the top cities to head out from:

• Chicago
• Phoenix
• Dallas
• Las Vegas
• Salt Lake City

To secure cheap flights to Keystone, book well in advance or visit during the off-peak months of April and May. After another tip? Jet off on a Thursday and save 16% on average compared to traveling on a Sunday.* Set a price alert on the Expedia app and we'll let you know as soon as your fares drop.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Although booking in advance is generally the easiest way to save money, don't panic if your Keystone vacation is last minute. It's still possible to find cheap flights to Keystone, especially if your plans have a little leeway. Try changing your trip dates, exploring different ticket types or departing from an alternative hub.

Get the departure dates you want and a fare that works with your budget by booking your domestic flight to Keystone up to 28 days in advance. Search for tickets two to four months ahead if you're jetting to Keystone from an international destination.*

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You'll save an average of 8% if you buy plane tickets on a Sunday instead of Fridays, which tend to be the most expensive day to book.* When it comes to snapping up a cheap flight to Keystone, the key is good timing.

*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

There are 3 airlines offering routes that connect Keystone with 5 airports worldwide. The principal gateway to Keystone is Pitkin County Airport (ASE). United Airlines and American Airlines are two leading airlines to Keystone.

The main airport to fly to Keystone is Pitkin County Airport (ASE). You can also touch down at Leadville, CO (LXV-Lake County) when flying to Keystone.

Landing at Pitkin County Airport (ASE) puts you approximately 55 mi southwest of the center of Keystone.

It's possible to save hundreds of dollars if you choose a Keystone flight and hotel package deal on Expedia. And you'll make life easier by having all your travel arrangements in one place. Try bundling your hotel and flight with add-ons like activities and car rentals for your own personalized Keystone vacation.

If you bought your flight to Keystone within the last 24 hours, you can usually change or cancel it without fees. After that, extra charges may apply depending on the airline's terms of service. To learn more, head to our Customer Service Portal. Remember that some flights are non-refundable, so you may be offered a credit for future flights instead of a direct refund. When browsing Expedia, use the "Changes included" or "No cancel fee" filters to find fares with flexible change policies.