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Castle Rock

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Castle Rock Flights as Low as $101

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

Frontier Airlines
Tue, Oct 21 - Tue, Oct 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$101 Roundtrip, found 7 hours ago
$101
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, Oct 21 from Sky Harbor Intl. to Denver Intl., returning Tue, Oct 28, priced at $101 found 7 hours ago
Frontier Airlines
Wed, Sep 10 - Sat, Sep 13
LAX
Los Angeles Intl.
DEN
Denver Intl.
$104 Roundtrip, found 2 hours ago
$104
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Sep 10 from Los Angeles Intl. to Denver Intl., returning Sat, Sep 13, priced at $104 found 2 hours ago
Frontier Airlines
Wed, Oct 22 - Sat, Oct 25
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$117 Roundtrip, found 13 hours ago
$117
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Wed, Oct 22 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sat, Oct 25, priced at $117 found 13 hours ago
United
Tue, Oct 21 - Tue, Oct 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$123 Roundtrip, found 7 hours ago
$123
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Oct 21 from Sky Harbor Intl. to Denver Intl., returning Tue, Oct 28, priced at $123 found 7 hours ago
American Airlines
Tue, Oct 21 - Tue, Oct 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$123 Roundtrip, found 7 hours ago
$123
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Tue, Oct 21 from Sky Harbor Intl. to Denver Intl., returning Tue, Oct 28, priced at $123 found 7 hours ago
Delta
Sat, Nov 8 - Sat, Nov 8
LAX
Los Angeles Intl.
DEN
Denver Intl.
$134 Roundtrip, found 23 hours ago
$134
Roundtrip
found 23 hours ago
Select Delta flight, departing Sat, Nov 8 from Los Angeles Intl. to Denver Intl., returning Sat, Nov 8, priced at $134 found 23 hours ago
Frontier Airlines
Mon, Nov 3 - Thu, Nov 6
MSY
Louis Armstrong New Orleans Intl.
DEN
Denver Intl.
$135 Roundtrip, found 9 hours ago
$135
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Louis Armstrong New Orleans Intl. to Denver Intl., returning Thu, Nov 6, priced at $135 found 9 hours ago
Alaska Airlines
Tue, Oct 21 - Tue, Oct 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$142 Roundtrip, found 7 hours ago
$142
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Oct 21 from Sky Harbor Intl. to Denver Intl., returning Tue, Oct 28, priced at $142 found 7 hours ago
Delta
Tue, Oct 21 - Tue, Oct 21
DAL
Love Field
DEN
Denver Intl.
$191 Roundtrip, found 14 hours ago
$191
Roundtrip
found 14 hours ago
Select Delta flight, departing Tue, Oct 21 from Love Field to Denver Intl., returning Tue, Oct 21, priced at $191 found 14 hours ago
Bargain Flight
Wed, Sep 3 - Thu, Sep 4
PHX
Sky Harbor Intl.
COS
Colorado Springs
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Sep 3 from Sky Harbor Intl. to Colorado Springs, returning Thu, Sep 4, priced at $197 found 3 days ago
American Airlines
Wed, Oct 22 - Tue, Oct 28
MSY
Louis Armstrong New Orleans Intl.
COS
Colorado Springs
$215 Roundtrip, found 15 hours ago
$215
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Louis Armstrong New Orleans Intl. to Colorado Springs, returning Tue, Oct 28, priced at $215 found 15 hours ago
Hawaiian Airlines
Wed, Nov 12 - Sun, Nov 23
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$215 Roundtrip, found 3 hours ago
$215
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Wed, Nov 12 from Sky Harbor Intl. to Denver Intl., returning Sun, Nov 23, priced at $215 found 3 hours ago
Delta
Sat, Sep 13 - Tue, Sep 16
DAL
Love Field
COS
Colorado Springs
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Sep 13 from Love Field to Colorado Springs, returning Tue, Sep 16, priced at $240 found 4 days ago
American Airlines
Wed, Sep 3 - Mon, Sep 8
LAX
Los Angeles Intl.
COS
Colorado Springs
$240 Roundtrip, found 2 days ago
$240
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Sep 3 from Los Angeles Intl. to Colorado Springs, returning Mon, Sep 8, priced at $240 found 2 days ago
Bargain Flight
Tue, Sep 16 - Wed, Sep 24
ATL
Hartsfield-Jackson Atlanta Intl.
COS
Colorado Springs
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Tue, Sep 16 from Hartsfield-Jackson Atlanta Intl. to Colorado Springs, returning Wed, Sep 24, priced at $259 found 4 days ago
Contour Airlines
Thu, Oct 23 - Sat, Oct 25
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$324 Roundtrip, found 9 hours ago
$324
Roundtrip
found 9 hours ago
Select Contour Airlines flight, departing Thu, Oct 23 from Sky Harbor Intl. to Denver Intl., returning Sat, Oct 25, priced at $324 found 9 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 14 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 $101, 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 $101 right now, why wait?

Castle Rock Flight Information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Roundtrip price
$101

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! (1,014 reviews)
"The staff were very nice and the bar and grill had the best Caesar salad!"

Reviewed on Aug 5, 2025

Get rates
Hilton Denver City Center
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! (801 reviews)
Very nice property to stay.
"This property is huge, but it feels comfortable and cozy. Everything was really nice. I’ll be back."

Reviewed on Aug 3, 2025

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DoubleTree by Hilton Hotel Denver
Holiday Inn Denver East by IHG

Holiday Inn Denver East by IHG

3.5 out of 5
3333 East Quebec Street, Denver, CO
Stay at this 3.5-star business-friendly hotel in Denver. Enjoy free WiFi, breakfast (surcharge), and a free area shuttle. Our guests praise the breakfast and ...
7.2/10 Good! (1,365 reviews)
"Excelent"

Reviewed on Aug 3, 2025

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Holiday Inn Denver East by IHG
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! (1,161 reviews)
"A Great Place.. I recommend it highly!!!"

Reviewed on Aug 2, 2025

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Magnolia Hotel Denver, A Tribute Portfolio Hotel
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 ...
9/10 Wonderful! (2,853 reviews)
"Great"

Reviewed on Aug 2, 2025

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Hyatt Place Denver Downtown
Hyatt Centric Downtown Denver

Hyatt Centric Downtown Denver

4 out of 5
1776 Champa St, Denver, CO
Stay at this 4-star hotel in Denver. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Our guests praise the restaurant and the helpful staff in ...
8.8/10 Excellent! (1,980 reviews)
"Great place for a nice getaway walkable to most things. It was a perfect location for our family. Nice staff comfortable rooms. Nice rooftop."

Reviewed on Aug 4, 2025

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Hyatt Centric Downtown 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! (1,006 reviews)
"Breakfast was slim but good. Self made waffles, oatmeal and yogurt with fruit and nuts, bagels, juice and coffee. The mini fridge was set to freezing so it ruined some of our food but not a huge deal. The rooms smelled like someone drenched it in men's cologne. Better than a musty smell I suppose. ..."

Reviewed on Aug 3, 2025

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Spark by Hilton Colorado Springs I 25 Central
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! (1,468 reviews)
"."

Reviewed on Aug 5, 2025

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Renaissance Denver Hotel & Conference Center
See all 3,750 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.