$48 Cheap Flights to Castle Rock, CO

Popular airlines to Castle Rock

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Today's featured flight deals to Castle Rock

Nonstop
Carry-on included
Lower price than typical

How much is the cheapest flight to Castle Rock?

Prices were available within the past 7 days and start at $48 for one-way flights and $87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Southwest Airlines
United
American Airlines
Sun Country Airlines

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

November is typically the cheapest month to fly

From $114 - $370 per traveler.

Frequently asked questions

What month is the cheapest to fly to Castle Rock?
November is the cheapest month to travel to Castle Rock. There's less demand then, so you're likely to snag a great deal. Booking your trip outside of major holidays and school breaks could also help you save.
Which US cities have the cheapest flights to Castle Rock?
Typically, Chicago, Phoenix and Dallas offer cheap flights to Castle Rock. However, being flexible is the secret to scoring the best fares. Head off midweek or during the off-peak season to keep costs as low as possible.
Which US cities fly direct to Castle Rock?
You can fly to Castle Rock directly from 164 US cities. To find a nonstop trip, use the "Direct flights only" filter when searching for flights to Castle Rock on Expedia. Then, explore the options and pick the best departure from one of these cities:

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

How to find a cheap flight to Castle Rock?
Book early to maximize your chances of getting cheap flights to Castle Rock. Also, consider visiting during off-season months like January and February. If you jet off on a Thursday, you'll save 16% on average compared to those departing on a Sunday.* Save time checking every day and set up a price alert on the Expedia app. We'll notify you when fares change.*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.
How to get a cheap last-minute flight to Castle Rock?
It's possible to get great deals on last-minute departures to Castle Rock, especially if your travel plans are flexible. Think about jetting out of a different airport, tweaking your trip dates or choosing another carrier to get a cheap flight to Castle Rock.
How far in advance should I book a flight to Castle Rock?
Secure the departure dates you want and a price you'll love by booking your domestic flight to Castle Rock up to 28 days in advance. Search for tickets two to four months ahead if you're headed to Castle Rock 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.
Which day of the week is the cheapest day to buy a plane ticket to Castle Rock?
You'll save an average of 8% if you buy tickets on a Sunday rather than Fridays, which tend to be the most expensive day to book.* When it comes to snapping up a cheap flight to Castle Rock, it's all about 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.
Which airlines fly to Castle Rock?
There are 19 airlines connecting Castle Rock with 194 airports across the world. The key point of arrival to this city is Denver Intl. Airport (DEN). Book a ticket with any of these top airlines to Castle Rock:

  • United Airlines
  • American Airlines
  • Delta Air Lines
  • Frontier Airlines

Where do you fly into Castle Rock?
Castle Rock's main airport is Denver Intl. Airport (DEN). If you want more nearby options when flying to Castle Rock, check out Colorado Springs Airport (COS), Centennial Airport (APA) or Broomfield, CO (BJC-Rocky Mountain Metropolitan). It's also possible to fly to Castle Rock through Boulder, CO (WBU-Boulder Municipal).
How far is the airport from central Castle Rock?
If you're landing at Denver Intl. Airport (DEN), you'll be roughly 35 mi north of central Castle Rock.
Can I save money by booking a Castle Rock trip package?
You could possibly save hundreds of dollars if you secure a Castle Rock flight and hotel package deal on Expedia. And you'll save yourself hassle by having all your travel plans in one place. Try bundling your hotel and flight with extras like car rentals and activities for your own customized Castle Rock getaway.
Can I change or cancel my flight to Castle Rock?
If you booked your flight to Castle Rock in the last 24 hours, you can usually cancel or change it without fees. After that, additional costs may apply depending on the airline's terms and conditions. For more information, visit our Customer Service Portal. Keep in mind that some flights are non-refundable, so you may receive a credit for a future flight in place of a direct refund. During your search on Expedia, check the "Changes included" or "No cancel fee" boxes to compare tickets with flexible change policies.

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Travel information

Travel information

Destination airport
Denver Intl.
Destination airport IATA code
DEN
Destination city name
Denver
Roundtrip price
$87

Trending flights to Castle Rock

Prices were available within the past 7 days and start at $48 for one-way flights and $87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines

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