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Castle Rock

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Castle Rock Flights as Low as $87

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

Frontier Airlines
Tue, Sep 16 - Sat, Sep 20
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$87 Roundtrip, found 1 hour ago
$87
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Sep 16 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sat, Sep 20, priced at $87 found 1 hour ago
Frontier Airlines
Tue, Sep 16 - Sat, Sep 20
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$125 Roundtrip, found 1 hour ago
$125
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Tue, Sep 16 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sat, Sep 20, priced at $125 found 1 hour ago
Sun Country Airlines
Fri, Sep 19 - Sun, Sep 21
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$127 Roundtrip, found 12 hours ago
$127
Roundtrip
found 12 hours ago
Select Sun Country Airlines flight, departing Fri, Sep 19 from Minneapolis - St. Paul Intl. to Denver Intl., returning Sun, Sep 21, priced at $127 found 12 hours ago
Delta
Tue, Sep 16 - Tue, Sep 16
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$132 Roundtrip, found 2 days ago
$132
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 16 from Minneapolis - St. Paul Intl. to Denver Intl., returning Tue, Sep 16, priced at $132 found 2 days ago
Frontier Airlines
Sat, Jul 5 - Sat, Jul 12
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$136 Roundtrip, found 3 hours ago
$136
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Jul 5 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Jul 12, priced at $136 found 3 hours ago
Frontier Airlines
Thu, Jul 3 - Tue, Jul 8
ONT
Los Angeles - Ontario Intl.
DEN
Denver Intl.
$138 Roundtrip, found 1 day ago
$138
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Jul 3 from Los Angeles - Ontario Intl. to Denver Intl., returning Tue, Jul 8, priced at $138 found 1 day ago
United
Tue, Sep 16 - Sat, Sep 20
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$145 Roundtrip, found 1 hour ago
$145
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 16 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sat, Sep 20, priced at $145 found 1 hour ago
American Airlines
Sat, Jul 5 - Tue, Jul 8
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$155 Roundtrip, found 16 hours ago
$155
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sat, Jul 5 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Jul 8, priced at $155 found 16 hours ago
Delta
Tue, Jul 1 - Wed, Jul 9
DAL
Love Field
DEN
Denver Intl.
$200 Roundtrip, found 1 day ago
$200
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jul 1 from Love Field to Denver Intl., returning Wed, Jul 9, priced at $200 found 1 day ago
Bargain Flight
Wed, Aug 6 - Sat, Aug 16
MSP
Minneapolis - St. Paul Intl.
COS
Colorado Springs
$201 Roundtrip, found 3 days ago
$201
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Wed, Aug 6 from Minneapolis - St. Paul Intl. to Colorado Springs, returning Sat, Aug 16, priced at $201 found 3 days ago
Bargain Flight
Mon, Jun 23 - Thu, Jun 26
DFW
Dallas-Fort Worth Intl.
COS
Colorado Springs
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Mon, Jun 23 from Dallas-Fort Worth Intl. to Colorado Springs, returning Thu, Jun 26, priced at $235 found 1 day ago
Delta
Tue, Sep 16 - Tue, Sep 23
DAL
Love Field
COS
Colorado Springs
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 16 from Love Field to Colorado Springs, returning Tue, Sep 23, priced at $291 found 1 day ago
Bargain Flight
Thu, Jun 12 - Tue, Jun 17
ATL
Hartsfield-Jackson Atlanta Intl.
COS
Colorado Springs
$298 Roundtrip, found 4 days ago
$298
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Thu, Jun 12 from Hartsfield-Jackson Atlanta Intl. to Colorado Springs, returning Tue, Jun 17, priced at $298 found 4 days ago
Alaska Airlines
Thu, Jun 12 - Tue, Jun 24
ONT
Los Angeles - Ontario Intl.
DEN
Denver Intl.
$358 Roundtrip, found 1 day ago
$358
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Jun 12 from Los Angeles - Ontario Intl. to Denver Intl., returning Tue, Jun 24, priced at $358 found 1 day ago
JetBlue Airways
Tue, Sep 16 - Sat, Sep 20
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$369 Roundtrip, found 1 hour ago
$369
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Tue, Sep 16 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Sat, Sep 20, priced at $369 found 1 hour ago
Delta
Sun, Jun 15 - Tue, Jun 17
ONT
Los Angeles - Ontario Intl.
COS
Colorado Springs
$396 Roundtrip, found 1 day ago
$396
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Jun 15 from Los Angeles - Ontario Intl. to Colorado Springs, returning Tue, Jun 17, priced at $396 found 1 day 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 September, 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 $87, 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 $87 right now, why wait?

Castle Rock Flight Information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Roundtrip price
$87

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! (1,015 reviews)
"nice rooms, very clean. and in a very nice area! having valet was really nice as well"

Reviewed on Jun 2, 2025

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Hilton Denver City Center
Sonesta Denver Downtown
Sonesta Denver Downtown
4 out of 5
1450 Glenarm Place, Denver, CO
Book a stay at this business-friendly hotel in Denver. Enjoy an outdoor pool, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the helpful ...
8/10 Very Good! (1,576 reviews)
"We loved every minute of our (unfortunately) short stay. The room was awesome and the bar was open late for dinner."

Reviewed on Jun 1, 2025

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Sonesta Denver Downtown
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 ...
8.4/10 Very Good! (1,019 reviews)
"Amazing place to stay"

Reviewed on Jun 1, 2025

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Magnolia Hotel Denver, A Tribute Portfolio Hotel
The Academy Hotel Colorado Springs
The Academy Hotel Colorado Springs
3.5 out of 5
8110 N Academy Blvd, Colorado Springs, CO
Stay at this 3.5-star business-friendly hotel in Colorado Springs. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the ...
8.8/10 Excellent! (3,468 reviews)
"Excellent!"

Reviewed on Jun 3, 2025

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The Academy Hotel Colorado Springs
Hilton Garden Inn Denver Union Station, CO
Hilton Garden Inn Denver Union Station, CO
3.5 out of 5
1999 Chestnut Place, Denver, CO
Stay at this 3.5-star business-friendly hotel in Denver. Enjoy breakfast (surcharge), a health club, and WiFi (surcharge). Our guests praise the helpful staff ...
9/10 Wonderful! (1,641 reviews)
"Absolutely perfect. The check in was smooth, the attendant was very professional and friendly. The room was clean, and well stocked. My husband and I had just come from a formal military event and he was in uniform. The front desk attendant gave us a complimentary breakfast and thanked him for his ..."

Reviewed on Jun 1, 2025

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Hilton Garden Inn Denver Union Station, CO
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! (1,227 reviews)
"Staff is always on top of your requests. Communication trough the message system worked perfectly!"

Reviewed on Jun 3, 2025

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Holiday Inn Denver East by IHG
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! (561 reviews)
"The property was very clean and spacious. It had very nice conveniences. I would stay there again."

Reviewed on May 31, 2025

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DoubleTree by Hilton Hotel Denver
Home2 Suites by Hilton Denver Downtown Convention Center
Home2 Suites by Hilton Denver Downtown Convention Center
3 out of 5
801 15TH STREET, Denver, CO
Stay at this 3-star hotel in Denver. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the bar in our reviews. Popular ...
8.8/10 Excellent! (1,909 reviews)
"I love this hotel! This is the second time I have stayed at this location, and it didn't disappoint. Friendly and communicative staff, clean premises, awesome location!"

Reviewed on Jun 1, 2025

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Home2 Suites by Hilton Denver Downtown Convention Center
See all 3,751 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.