Cheap flights To Castle Rock (DEN) from $24

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Cheap Flights to Castle Rock from $24 One Way, $52 Round Trip

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

Sat, Dec 5 - Wed, Dec 9
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$52 Roundtrip, found 2 hours ago
$52
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Dec 5 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Dec 9, priced at $52 found 2 hours ago
Sat, Oct 24 - Sat, Oct 31
SLC
Salt Lake City Intl.
DEN
Denver Intl.
$57 Roundtrip, just found
$57
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 24 from Salt Lake City Intl. to Denver Intl., returning Sat, Oct 31, priced at $57 just found
Sat, Oct 10 - Wed, Oct 14
LAX
Los Angeles Intl.
DEN
Denver Intl.
$66 Roundtrip, found 1 hour ago
$66
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Oct 10 from Los Angeles Intl. to Denver Intl., returning Wed, Oct 14, priced at $66 found 1 hour ago
Tue, Oct 6 - Tue, Oct 6
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$70 Roundtrip, found 12 hours ago
$70
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Tue, Oct 6 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Oct 6, priced at $70 found 12 hours ago
Wed, Nov 11 - Sat, Nov 14
ORD
O'Hare Intl.
DEN
Denver Intl.
$91 Roundtrip, found 3 days ago
$91
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Nov 11 from O'Hare Intl. to Denver Intl., returning Sat, Nov 14, priced at $91 found 3 days ago
Wed, Feb 24 - Wed, Mar 3
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$143 Roundtrip, found 18 hours ago
$143
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Feb 24 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Mar 3, priced at $143 found 18 hours ago
Wed, Feb 24 - Wed, Mar 3
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$143 Roundtrip, found 18 hours ago
$143
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Wed, Feb 24 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Mar 3, priced at $143 found 18 hours ago
Mon, Dec 21 - Mon, Dec 28
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$147 Roundtrip, found 5 hours ago
$147
Roundtrip
found 5 hours ago
Select Sun Country Airlines flight, departing Mon, Dec 21 from Minneapolis - St. Paul Intl. to Denver Intl., returning Mon, Dec 28, priced at $147 found 5 hours ago
Mon, Dec 7 - Wed, Dec 9
SLC
Salt Lake City Intl.
DEN
Denver Intl.
$157 Roundtrip, found 10 hours ago
$157
Roundtrip
found 10 hours ago
Select Delta flight, departing Mon, Dec 7 from Salt Lake City Intl. to Denver Intl., returning Wed, Dec 9, priced at $157 found 10 hours ago
Thu, Jan 21 - Tue, Jan 26
LAX
Los Angeles Intl.
DEN
Denver Intl.
$157 Roundtrip, found 13 hours ago
$157
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Jan 21 from Los Angeles Intl. to Denver Intl., returning Tue, Jan 26, priced at $157 found 13 hours ago

Castle Rock Flight Information

Traveling To
Castle Rock
Destination Airport IATA Code
DEN
Number of Airlines Serving
Airlines
Frontier Airlines, Southwest Airlines, Sun Country Airlines, Delta, American Airlines, United
Flight Price
$52
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.
YMCA of The Rockies Estes Park
2.5-star property

YMCA of The Rockies Estes Park

Nov 7 - Nov 14

7 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $496, price is now $334 per person
$334
per person
found 4 hours ago
Nicky's Resort
2.5-star property

Nicky's Resort

Nov 7 - Nov 14

7 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $589, price is now $414 per person
$414
per person
found 4 hours ago
WorldMark Granby - Rocky Mountain Preserve
3.5-star property

WorldMark Granby - Rocky Mountain Preserve

Nov 7 - Nov 14

7 night stay

Atlanta (ATL) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $797, price is now $571 per person
$571
per person
found 4 hours ago
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See all available trips from Atlanta to Castle Rock
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Castle Rock business class flight packages

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

Hotel Boulderado

9.6/10 Exceptional! (1,780 reviews)

Oct 23 - Oct 25

2 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • BusinessClass
Price was $745, price is now $631 per person
$631
per person
found 1 day ago

The Source Hotel
4.5-star property

The Source Hotel

8.8/10 Excellent! (1,006 reviews)

Oct 23 - Oct 25

2 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • BusinessClass
Price was $804, price is now $645 per person
$645
per person
found 1 day ago

The Sebastian - Vail
4.5-star property

The Sebastian - Vail

9.2/10 Wonderful! (1,000 reviews)

Oct 23 - Oct 25

2 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • BusinessClass
Price was $945, price is now $811 per person
$811
per person
found 1 day ago
Great hotel really enjoyed our stay

Reviewed on Sep 11, 2026

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See all available trips from Dallas to Castle Rock
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Castle Rock

Save money on your flights to Castle Rock as well as on hotel and car packages.

 

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Mix and Match

At Orbitz, we turned a great idea from the world of fashion into another way for you to save money. When you shop our low cost tickets on flights to any destination, don’t be afraid to mix and match different airlines for maximum savings on your Castle Rock flights air ticket. Save more on air travel every day in every way at Orbitz.

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 $52 to $157. But it was travelers starting their trip from Salt Lake City (SLC) who nabbed the best bargains. One-way tickets to Castle Rock fell to just $24.
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.

More to Explore

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.