Cheap flights To Castle Rock (DEN) from $67

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Cheap Flights to Castle Rock from $67 One Way, $129 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, Aug 16 - Sun, Aug 17
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$129 Roundtrip, found 1 hour ago
$129
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sun, Aug 17, priced at $129 found 1 hour ago
Tue, Jul 15 - Wed, Jul 16
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$131 Roundtrip, found 1 day ago
$131
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Jul 15 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Wed, Jul 16, priced at $131 found 1 day ago
Fri, Aug 15 - Sun, Aug 17
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$134 Roundtrip, found 1 hour ago
$134
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Aug 15 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sun, Aug 17, priced at $134 found 1 hour ago
Tue, Jul 29 - Tue, Aug 5
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Jul 29 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Tue, Aug 5, priced at $137 found 1 hour ago
Sat, Sep 13 - Sun, Sep 14
IAH
George Bush Intercontinental
DEN
Denver Intl.
$149 Roundtrip, found 6 days ago
$149
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Sep 13 from George Bush Intercontinental to Denver Intl., returning Sun, Sep 14, priced at $149 found 6 days ago
Thu, Sep 4 - Tue, Sep 9
IAH
George Bush Intercontinental
DEN
Denver Intl.
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 4 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 9, priced at $157 found 2 days ago
Wed, Oct 29 - Tue, Nov 4
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$157 Roundtrip, found 16 hours ago
$157
Roundtrip
found 16 hours ago
Select Delta flight, departing Wed, Oct 29 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Tue, Nov 4, priced at $157 found 16 hours ago
Fri, Aug 29 - Wed, Sep 3
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$167 Roundtrip, found 16 hours ago
$167
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Fri, Aug 29 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Wed, Sep 3, priced at $167 found 16 hours ago
Thu, Sep 4 - Tue, Sep 9
MKE
General Mitchell Intl.
DEN
Denver Intl.
$169 Roundtrip, found 2 days ago
$169
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 4 from General Mitchell Intl. to Denver Intl., returning Tue, Sep 9, priced at $169 found 2 days ago
Mon, Aug 11 - Tue, Aug 12
IAH
George Bush Intercontinental
COS
Colorado Springs
$169 Roundtrip, found 4 days ago
$169
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 11 from George Bush Intercontinental to Colorado Springs, returning Tue, Aug 12, priced at $169 found 4 days ago

Castle Rock Flight Information

Traveling To
Castle Rock
Destination Airport IATA Code
DEN
Number of Airlines Serving
Airlines
Frontier Airlines, United, Southwest Airlines, Delta, American Airlines
Flight Price
$129
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Castle Rock economy flight packages

Price found within the past 48 hours. Click for updated prices.
Timbers and Lone Eagle by Keystone Resort
4.0-star property

Timbers and Lone Eagle by Keystone Resort

Jul 26 - Aug 2

7 night stay

Houston (HOU) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
The Springs Condos by Keystone Resort
4.0-star property

The Springs Condos by Keystone Resort

Jul 26 - Aug 2

7 night stay

Houston (HOU) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
Jackpine & Black Bear Condos
4.0-star property

Jackpine & Black Bear Condos

Jul 26 - Aug 2

7 night stay

Houston (HOU) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
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Castle Rock first class flight packages

Price found within the past 48 hours. Click for updated prices.
Hotel Polaris
4.5-star property

Hotel Polaris

9.8/10 Exceptional! (148 reviews)

Jul 18 - Jul 21

3 night stay

Dallas (DFW) to Denver (DEN)

American Airlines • Roundtrip • FirstClass
per person
found 10 hours ago
Flying Horse Resort & Club
4.5-star property

Flying Horse Resort & Club

9.4/10 Exceptional! (738 reviews)

Jul 18 - Jul 21

3 night stay

Dallas (DFW) to Denver (DEN)

American Airlines • Roundtrip • FirstClass
per person
found 10 hours ago
A great resort property!!! High end all around.

Reviewed on Jun 8, 2024

The Mining Exchange
4.0-star property

The Mining Exchange

9/10 Wonderful! (1,001 reviews)

Jul 18 - Jul 21

3 night stay

Dallas (DFW) to Denver (DEN)

American Airlines • Roundtrip • FirstClass
per person
found 10 hours ago
Really cool place! Everyone was so friendly. Will definitely be back

Reviewed on Mar 21, 2025

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Castle Rock

Orbitz provides convenient, one-stop shopping for travelers looking for budget flights to Castle Rock or any other low fare domestic or international air travel.

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Now it is even faster to find exclusive deals and book cheap Castle Rock flights from any location with our new Orbitz apps. These cutting-edge mobile tools are available free to anyone with an Android device, iPad, or iPhone. Look up Castle Rock's most popular attractions, best restaurants, and entertainment venues or check on your flights to Castle Rock and make changes to your itinerary while waiting in line for your latte.

Stay on Budget, Earn Miles with Bargain Castle Rock Flights

You can find amazing discount fares with Orbitz’s guaranteed low prices or take advantage of last-minute sales and special travel packages. You can also earn points towards your airline frequent flyer programs when you book qualified flights to Castle Rock. That means you can rack up money-saving points and miles for future use while saving money now.

We Are Just a Phone Call Away If You Need Us

Booking, changing, or canceling your Castle Rock flights is a breeze with Orbitz’s online and mobile tools, but that doesn't mean that we leave you hanging if you want to speak with one of our representatives. If you need help, just contact our Customer Service by email or phone. To enjoy a less stressful trip, be sure to sign up for instant alerts so we can send you any updates or delays relating to your flights to Castle Rock to your mobile phone or email.

Frequently asked questions

Which airlines fly to Castle Rock?
With 20 airlines operating services to Denver Intl. Airport (DEN), a major entrance point to Castle Rock, you have loads of options. Find a fabulous deal among these renowned international carriers that’ll fly you to this city:

  • United Airlines - 269 flights to Castle Rock per month
  • Southwest Airlines - 88 flights to Castle Rock per month
  • Air Canada - 83 flights to Castle Rock per month

How much is a flight to Castle Rock?
Lots of huge deals were going begging this week, with round-trip flights to Castle Rock ranging from $129 to $169. But it was travelers starting their trip from Atlanta (ATL) who nabbed the best bargains. One-way tickets to Castle Rock fell to just $67.
How to book the cheapest flight to Castle Rock?
Snapping up cheap flights to Castle Rock is as easy as booking your ticket with Orbitz. But if you’d like to make sure you’re getting the best flight deals around, here are a few tips your budget will love:

  • Departing from or landing at other airports can often help you save on airfares. Type in your preferred departure and arrival airports. Next, select the ‘Nearby airports’ function below the form fields to look through your options.
  • If you’re flexible with your schedule, click on the ‘Show flexible dates’ link. It’ll bring up flight deals for the days around your selected departure. Airfares often vary depending on the day of the week.
  • Select ‘Show options’ to refine your search results. You can choose your preferred airline and seating class here. Under ‘Sort & Filter’ to the left, you can even specify whether you want to fly in the morning, afternoon or evening.
  • Once you’ve worked out your travel dates, book your flight. Ticket prices generally increase as the departure date gets closer.
  • Consider combining your flights, hotels and car rental into a package deal to save cash.
  • Whenever possible, avoid flying in the most popular seasons. Airfares are usually at their most expensive during summer, school breaks and around other vacation times like Thanksgiving and Christmas.

What is the best time to book a flight to Castle Rock?
Pick up a bargain and secure your seats to Castle Rock in January. If you’ve missed this month, fear not. February and August often have low airfares available, too. Just be careful you don’t sleep on a sale — cheap flights pop up and disappear in the click of a mouse!
What day of the week is the cheapest to book a flight to Castle Rock?
Make a booking on a Tuesday, Wednesday or Saturday. Typically, these are the cheapest days of the week to purchase seats to Castle Rock. The getaway of your dreams starts with an incredible flight deal!
What is the cheapest day of the week to fly to Castle Rock?
According to Orbitz data from 2020, Monday is generally the best day of the week for cheap flights to Castle Rock. Tuesday also offers more affordable fares, whereas Saturday has the highest ticket rates. Although flying out at the weekend may be easier to organize, you’ll have more money to play with if you jet out early in the week.
What is the cheapest month to fly to Castle Rock?
If you have some wiggle room with your travel plans, think about jetting off sometime in August. Orbitz data shows that this is generally the best month to travel if you want cheap flights to Castle Rock. As you would imagine, airfares climb in June and flights get snapped up fast.
Which airlines allow free cancellation?
We understand that plans can change and flexibility matters. That’s why you can search for flights that include free cancellation and no change fees on Orbitz. Just click on “Filter by flexible change policies” and we’ll find you fares with more flexibility than a lip balm left in the sun!
What do I need for the flight to Castle Rock?
There’s nothing more exciting than jetting somewhere new, but it’s smart to be prepared. The following handy tips will help get your journey off to a flying start:

  • Your travel documents are the most important items you’ll need to take on your flight to Castle Rock. To avoid any issues when checking in, make sure that the personal information on your ticket corresponds with your government-issued ID.
  • Make time fly by even quicker on your short flight by packing the right things. Think snacks, a water bottle and entertainment. If you’d like your trip to Castle Rock to go quietly, put some noise-canceling headphones or earplugs into your carry-on bag as well.
  • It can get chilly on the plane. If you don’t like the idea of shivering your way through the flight, bring an extra layer.

How do I get cheap first-class/business deals to Castle Rock?
Savvy travelers have mastered the art of finding first or business-class airfares to Castle Rock without the hefty price tag. Take their lead with these useful tips:

  • Be more flexible with your travel dates and hold out for big sales on first or business-class airfares.
  • Many low-cost airlines these days have terrific business-class seating for a reasonable price.
  • Make the most of your airline’s flight rewards program and use points to upgrade your seat. You can also bid for an upgrade in online auctions.

What is the best time to go to Castle Rock?
Castle Rock is busy in June, July and August. If you’re planning to visit during these months, it would be a good idea to book ahead of time to ensure you get the most rewarding deals. Like to know what the summer’s like in Castle Rock? Average daily temperatures normally float between 55 ºF and 80 ºF. Like most of the Northern Hemisphere, the summer season kicks off June 20 here.
Travel tips for Castle Rock

  • Get into your comfy sneakers and discover this bustling city on foot. There are lots of big-name attractions you shouldn’t miss, such as Outlets at Castle Rock and Red Hawk Ridge Golf Course.
  • You’ll discover fun day trip adventures a short drive from Castle Rock’s center. Check out Ball Arena first and then make tracks to Red Rocks Amphitheater.
  • Like to see the sights of Denver’s other great cities? Pick up a car rental and road-trip your way to Golden or Arvada — or both! With your own ride, discovering those off-radar destinations will also be a cinch.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.