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Castle Rock

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Castle Rock Flights as Low as $56

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

Frontier Airlines
Tue, Apr 14 - Tue, Apr 14
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$56 Roundtrip, found 20 hours ago
$56
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Tue, Apr 14 from Sky Harbor Intl. to Denver Intl., returning Tue, Apr 14, priced at $56 found 20 hours ago
Frontier Airlines
Thu, Apr 23 - Mon, Apr 27
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$56 Roundtrip, found 2 hours ago
$56
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Dallas-Fort Worth Intl. to Denver Intl., returning Mon, Apr 27, priced at $56 found 2 hours ago
Frontier Airlines
Wed, May 13 - Tue, May 19
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$60 Roundtrip, found 1 hour ago
$60
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, May 13 from Minneapolis - St. Paul Intl. to Denver Intl., returning Tue, May 19, priced at $60 found 1 hour ago
Frontier Airlines
Tue, Apr 14 - Mon, Apr 27
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$78 Roundtrip, found 11 hours ago
$78
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Tue, Apr 14 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Mon, Apr 27, priced at $78 found 11 hours ago
Sun Country Airlines
Mon, May 4 - Thu, May 7
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$151 Roundtrip, found 21 hours ago
$151
Roundtrip
found 21 hours ago
Select Sun Country Airlines flight, departing Mon, May 4 from Minneapolis - St. Paul Intl. to Denver Intl., returning Thu, May 7, priced at $151 found 21 hours ago
American Airlines
Wed, Apr 29 - Wed, Apr 29
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$155 Roundtrip, found 14 hours ago
$155
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Wed, Apr 29 from Dallas-Fort Worth Intl. to Denver Intl., returning Wed, Apr 29, priced at $155 found 14 hours ago
United
Wed, Apr 29 - Wed, Apr 29
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$155 Roundtrip, found 14 hours ago
$155
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Apr 29 from Dallas-Fort Worth Intl. to Denver Intl., returning Wed, Apr 29, priced at $155 found 14 hours ago
Delta
Tue, Apr 28 - Tue, May 12
DAL
Love Field
DEN
Denver Intl.
$177 Roundtrip, found 15 hours ago
$177
Roundtrip
found 15 hours ago
Select Delta flight, departing Tue, Apr 28 from Love Field to Denver Intl., returning Tue, May 12, priced at $177 found 15 hours ago
Delta
Wed, May 13 - Tue, May 19
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$177 Roundtrip, found 12 hours ago
$177
Roundtrip
found 12 hours ago
Select Delta flight, departing Wed, May 13 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, May 19, priced at $177 found 12 hours ago
Alaska Airlines
Sat, Apr 18 - Sat, Apr 18
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$222 Roundtrip, just found
$222
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Apr 18 from Sky Harbor Intl. to Denver Intl., returning Sat, Apr 18, priced at $222 just found
Bargain Flight
Tue, Apr 14 - Sat, Apr 25
DFW
Dallas-Fort Worth Intl.
COS
Colorado Springs
$224 Roundtrip, found 20 hours ago
$224
Roundtrip
found 20 hours ago
Select Bargain Flight flight, departing Tue, Apr 14 from Dallas-Fort Worth Intl. to Colorado Springs, returning Sat, Apr 25, priced at $224 found 20 hours ago
United
Tue, May 19 - Sat, May 23
PHX
Sky Harbor Intl.
COS
Colorado Springs
$232 Roundtrip, found 15 hours ago
$232
Roundtrip
found 15 hours ago
Select United flight, departing Tue, May 19 from Sky Harbor Intl. to Colorado Springs, returning Sat, May 23, priced at $232 found 15 hours ago
Bargain Flight
Sat, Sep 5 - Thu, Sep 10
MSP
Minneapolis - St. Paul Intl.
COS
Colorado Springs
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Sat, Sep 5 from Minneapolis - St. Paul Intl. to Colorado Springs, returning Thu, Sep 10, priced at $238 found 1 day ago
Bargain Flight
Wed, Apr 8 - Sat, Apr 18
ATL
Hartsfield-Jackson Atlanta Intl.
COS
Colorado Springs
$311 Roundtrip, found 16 hours ago
$311
Roundtrip
found 16 hours ago
Select Bargain Flight flight, departing Wed, Apr 8 from Hartsfield-Jackson Atlanta Intl. to Colorado Springs, returning Sat, Apr 18, priced at $311 found 16 hours ago
Delta
Sat, May 9 - Wed, May 27
DAL
Love Field
COS
Colorado Springs
$317 Roundtrip, found 17 hours ago
$317
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, May 9 from Love Field to Colorado Springs, returning Wed, May 27, priced at $317 found 17 hours ago
JetBlue Airways
Tue, Apr 28 - Tue, Apr 28
ATL
Hartsfield-Jackson Atlanta Intl.
DEN
Denver Intl.
$464 Roundtrip, found 20 hours ago
$464
Roundtrip
found 20 hours ago
Select JetBlue Airways flight, departing Tue, Apr 28 from Hartsfield-Jackson Atlanta Intl. to Denver Intl., returning Tue, Apr 28, priced at $464 found 20 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 April, 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 $56, 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 $56 right now, why wait?

Castle Rock Flight Information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Roundtrip price
$56

Last Minute Hotel Deals in Castle Rock

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 24-hour fitness center. Our guests praise the breakfast and the ...
7.2/10 Good! (1,908 reviews)
The property is definitely older and there's no parking lot, so you have to use the valet service, which is expensive. The shower was mostly very cold water and uncomfortable. The staff was friendly, though

Reviewed on Mar 25, 2026

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Holiday Inn Express Denver Downtown by IHG
The Academy Hotel Colorado Springs

The Academy Hotel Colorado Springs

3.5 out of 5
8110 N Academy Blvd 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 breakfast and the pool ...
9/10 Wonderful! (3,960 reviews)
Room wasn’t cleaned the entire stay even though I requested it multiple times. When I spoke with the manager her said they are in the process of new ownership and the new owner is unable to be reached as he is out of the country so he is sorry but there is nothing they can do to rectify

Reviewed on Mar 25, 2026

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The Academy Hotel Colorado Springs
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 ...
8.4/10 Very Good! (2,345 reviews)
Room was clean. Was surprised by the $65/night charge to park as most places include that with your purchase being as much as I paid for the room. Additionally, I went to go enjoy the pool which they advertised openly in their photos. Upon my arrival I found the pool under construction. Upon further ...

Reviewed on Mar 24, 2026

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Sonesta Denver Downtown
Hilton Denver City Center

Hilton Denver City Center

4 out of 5
1701 California St Denver CO
Book a stay at this business-friendly hotel in Denver. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the helpful staff in our reviews. ...
8.8/10 Excellent! (1,395 reviews)
The hotel was extremely cold, but the temperature control in the rooms was excellent. If you have a meeting in this hotel, even in the summer, bring a sweater or jacket. The staff were great. There was one morning when there was no hot water, and that made for a very cold shower. But it was fixed ...

Reviewed on Mar 25, 2026

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Hilton Denver City Center
Hyatt Centric Downtown Denver

Hyatt Centric Downtown Denver

4 out of 5
1776 Champa St Denver CO
Stay at this hotel in Denver. Enjoy free WiFi, a rooftop terrace, and breakfast (surcharge). Our guests praise the restaurant and the helpful staff in our reviews. ...
9/10 Wonderful! (2,324 reviews)
Great location

Reviewed on Mar 24, 2026

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Hyatt Centric Downtown Denver
Hotel Teatro

Hotel Teatro

4.5 out of 5
1100 14th St Denver CO
Book a stay at this luxury hotel in Denver. Enjoy breakfast (surcharge), room service, and a 24-hour fitness center. Our guests praise the restaurant and the ...
9.2/10 Wonderful! (1,336 reviews)
We absolutely loved this fabulous boutique hotel which is perfectly located in the theatre district and close to all the exceptional high end steakhouses. We were however disappointed when we returned home after a night at the theatre and their bar was closed. It closed at 10:00pm. It would have ...

Reviewed on Mar 22, 2026

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Hotel Teatro
Homewood Suites by Hilton Denver Downtown-Convention Center

Homewood Suites by Hilton Denver Downtown-Convention Center

3.5 out of 5
550 15th St Denver CO
Stay at this hotel in Denver. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and the helpful staff in our reviews. ...
8.8/10 Excellent! (1,003 reviews)
Me and my partner stayed here for a weekend. From

Reviewed on Mar 24, 2026

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Homewood Suites by Hilton Denver Downtown-Convention Center
Hilton Garden Inn Denver Union Station, CO

Hilton Garden Inn Denver Union Station, CO

3.5 out of 5
1999 Chestnut Place Denver CO
Book a stay at this business-friendly hotel in Denver. Enjoy breakfast (surcharge), a health club, and WiFi (surcharge). Our guests praise the helpful staff ...
9.2/10 Wonderful! (2,196 reviews)
It was a great stay!! the bed could’ve been comfier though. Staff was friendly and that is always a plus!

Reviewed on Mar 25, 2026

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Hilton Garden Inn Denver Union Station, CO
See all 3,900 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.