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Castle Rock

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Castle Rock Flights as Low as $109

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

Frontier Airlines
Wed, Oct 15 - Tue, Oct 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$109 Roundtrip, just found
$109
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Oct 15 from Sky Harbor Intl. to Denver Intl., returning Tue, Oct 28, priced at $109 just found
Frontier Airlines
Tue, Sep 16 - Sat, Sep 20
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$119 Roundtrip, found 1 hour ago
$119
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Sep 16 from Minneapolis - St. Paul Intl. to Denver Intl., returning Sat, Sep 20, priced at $119 found 1 hour ago
Sun Country Airlines
Sat, Aug 30 - Sat, Aug 30
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$127 Roundtrip, found 15 hours ago
$127
Roundtrip
found 15 hours ago
Select Sun Country Airlines flight, departing Sat, Aug 30 from Minneapolis - St. Paul Intl. to Denver Intl., returning Sat, Aug 30, priced at $127 found 15 hours ago
Frontier Airlines
Tue, Aug 19 - Tue, Aug 26
AUS
Austin-Bergstrom Intl.
DEN
Denver Intl.
$129 Roundtrip, found 1 hour ago
$129
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Aug 19 from Austin-Bergstrom Intl. to Denver Intl., returning Tue, Aug 26, priced at $129 found 1 hour ago
United
Sat, Aug 30 - Sat, Aug 30
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$132 Roundtrip, found 15 hours ago
$132
Roundtrip
found 15 hours ago
Select United flight, departing Sat, Aug 30 from Minneapolis - St. Paul Intl. to Denver Intl., returning Sat, Aug 30, priced at $132 found 15 hours ago
Delta
Sat, Oct 4 - Sat, Oct 4
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$132 Roundtrip, found 1 hour ago
$132
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Oct 4 from Minneapolis - St. Paul Intl. to Denver Intl., returning Sat, Oct 4, priced at $132 found 1 hour ago
American Airlines
Wed, Oct 15 - Tue, Oct 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$137 Roundtrip, just found
$137
Roundtrip
just found
Select American Airlines flight, departing Wed, Oct 15 from Sky Harbor Intl. to Denver Intl., returning Tue, Oct 28, priced at $137 just found
Frontier Airlines
Sat, Oct 4 - Tue, Oct 7
DTW
Detroit Metropolitan Wayne County
DEN
Denver Intl.
$139 Roundtrip, found 1 hour ago
$139
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Oct 4 from Detroit Metropolitan Wayne County to Denver Intl., returning Tue, Oct 7, priced at $139 found 1 hour ago
Alaska Airlines
Wed, Oct 15 - Tue, Oct 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$156 Roundtrip, just found
$156
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Oct 15 from Sky Harbor Intl. to Denver Intl., returning Tue, Oct 28, priced at $156 just found
Frontier Airlines
Thu, Aug 7 - Thu, Aug 14
CLT
Charlotte-Douglas Intl.
DEN
Denver Intl.
$162 Roundtrip, found 1 hour ago
$162
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Aug 7 from Charlotte-Douglas Intl. to Denver Intl., returning Thu, Aug 14, priced at $162 found 1 hour ago
Bargain Flight
Wed, Sep 3 - Thu, Sep 4
PHX
Sky Harbor Intl.
COS
Colorado Springs
$197 Roundtrip, found 8 hours ago
$197
Roundtrip
found 8 hours ago
Select Bargain Flight flight, departing Wed, Sep 3 from Sky Harbor Intl. to Colorado Springs, returning Thu, Sep 4, priced at $197 found 8 hours ago
Bargain Flight
Wed, Sep 24 - Sun, Sep 28
MSP
Minneapolis - St. Paul Intl.
COS
Colorado Springs
$204 Roundtrip, found 2 days ago
$204
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Wed, Sep 24 from Minneapolis - St. Paul Intl. to Colorado Springs, returning Sun, Sep 28, priced at $204 found 2 days ago
Bargain Flight
Tue, Sep 9 - Wed, Sep 17
AUS
Austin-Bergstrom Intl.
COS
Colorado Springs
$211 Roundtrip, found 4 days ago
$211
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Tue, Sep 9 from Austin-Bergstrom Intl. to Colorado Springs, returning Wed, Sep 17, priced at $211 found 4 days ago
Delta
Wed, Aug 6 - Thu, Aug 7
CLT
Charlotte-Douglas Intl.
COS
Colorado Springs
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 6 from Charlotte-Douglas Intl. to Colorado Springs, returning Thu, Aug 7, priced at $238 found 1 day ago
JetBlue Airways
Sat, Aug 23 - Tue, Aug 26
DTW
Detroit Metropolitan Wayne County
DEN
Denver Intl.
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Aug 23 from Detroit Metropolitan Wayne County to Denver Intl., returning Tue, Aug 26, priced at $338 found 1 day ago
Contour Airlines
Thu, Jul 24 - Sat, Jul 26
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$359 Roundtrip, found 19 hours ago
$359
Roundtrip
found 19 hours ago
Select Contour Airlines flight, departing Thu, Jul 24 from Sky Harbor Intl. to Denver Intl., returning Sat, Jul 26, priced at $359 found 19 hours ago

Cheap Flights to Castle Rock

Fall in love at first flight with your vacation to Castle Rock by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Castle Rock on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Castle Rock, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Castle Rock

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Castle Rock with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the DEN airport.

What is the cheapest month to fly to Castle Rock?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Castle Rock are in October, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Castle Rock?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 13 to choose from for your flight to Castle Rock.

What airport is best to fly into Castle Rock?

When you’re planning your trip to Castle Rock, convenience is the name of the game. Luckily, Castle Rock Denver Intl. Airport is nearby so you can deplane and get going on checking off everything on your Castle Rock must-do list.

How much are flights to Castle Rock?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Castle Rock on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $109, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Castle Rock?

The trick to saving a stack of cash on your flight to Castle Rock? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $109 right now, why wait?

Last Minute Hotel Deals in Castle Rock

Hilton Denver City Center

Hilton Denver City Center

4 out of 5
1701 California St, Denver, CO
Stay at this 4-star business-friendly hotel in Denver. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff and the ...
8.4/10 Very Good! (1,046 reviews)
"Great place for a professional meeting."

Reviewed on Jul 16, 2025

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Hilton Denver City Center
Magnolia Hotel Denver, A Tribute Portfolio Hotel

Magnolia Hotel Denver, A Tribute Portfolio Hotel

4 out of 5
818 17th St, Denver, CO
Stay at this 4-star hotel in Denver. Enjoy breakfast (surcharge), a 24-hour fitness center, and valet parking (surcharge). Our guests praise the helpful staff ...
8.6/10 Excellent! (1,134 reviews)
"Very friendly staff and very clean room/lobby"

Reviewed on Jul 15, 2025

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Magnolia Hotel Denver, A Tribute Portfolio Hotel
DoubleTree by Hilton Hotel Denver

DoubleTree by Hilton Hotel Denver

4 out of 5
3203 Quebec St, Denver, CO
Stay at this 4-star business-friendly hotel in Denver. Enjoy free WiFi, 2 bars/lounges, and breakfast (surcharge). Our guests praise the helpful staff and the ...
9/10 Wonderful! (710 reviews)
"Liked everything"

Reviewed on Jul 14, 2025

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DoubleTree by Hilton Hotel Denver
Spark by Hilton Colorado Springs I 25 Central

Spark by Hilton Colorado Springs I 25 Central

2.5 out of 5
7245 Commerce Center Dr, Colorado Springs, CO
Book a stay at this business-friendly hotel in Colorado Springs. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the ...
8.2/10 Very Good! (1,031 reviews)
"It was a good stay for us!"

Reviewed on Jul 14, 2025

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Spark by Hilton Colorado Springs I 25 Central
Hyatt Place Denver Downtown

Hyatt Place Denver Downtown

3.5 out of 5
440 14th St, Denver, CO
Stay at this 3.5-star business-friendly hotel in Denver. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and the ...
8.8/10 Excellent! (2,815 reviews)
Vacation Trip
"Great stay for a vacation!"

Reviewed on Jul 15, 2025

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Hyatt Place Denver Downtown
Renaissance Denver Hotel & Conference Center

Renaissance Denver Hotel & Conference Center

4 out of 5
3801 Quebec St, Denver, CO
Stay at this 4-star business-friendly hotel in Denver. Enjoy free WiFi, an outdoor pool, and 2 restaurants. Our guests praise the helpful staff and the clean ...
8.2/10 Very Good! (1,416 reviews)
"Checking in was very easy to do. When we arrived at the room everything was clean and ready for us to settle in. Highly recommend this location."

Reviewed on Jul 15, 2025

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Renaissance Denver Hotel & Conference Center
Holiday Inn Express Denver Downtown by IHG

Holiday Inn Express Denver Downtown by IHG

3 out of 5
1715 Tremont Place, Denver, CO
Book a stay at this business-friendly hotel in Denver. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...
6.8/10 (1,374 reviews)
"They only had centralized AC so everyday my room would heat up to 80 degrees. But, breakfast was really great!"

Reviewed on Jul 14, 2025

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Holiday Inn Express Denver Downtown by IHG
Hotel Teatro

Hotel Teatro

4.5 out of 5
1100 14th St, Denver, CO
Stay at this 4.5-star luxury hotel in Denver. Enjoy breakfast (surcharge), room service, and a 24-hour fitness center. Our guests praise the restaurant and the ...
9/10 Wonderful! (1,232 reviews)
"Really responsive, friendly and well-trained staff. Consistently polite, pro-active and smart to everyone in every interaction (more than comparable service to the lauded service in the Big Famous Really Nice Place across the street). Great location to access all downtown places, and access to ..."

Reviewed on Jul 16, 2025

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Hotel Teatro
See all 3,665 properties in Castle Rock
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.