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Castle Rock

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Castle Rock Flights as Low as $58

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

Frontier Airlines
Thu, May 21 - Thu, May 21
LAX
Los Angeles Intl.
DEN
Denver Intl.
$58 Roundtrip, found 7 hours ago
$58
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, May 21 from Los Angeles Intl. to Denver Intl., returning Thu, May 21, priced at $58 found 7 hours ago
Frontier Airlines
Thu, May 28 - Thu, May 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$68 Roundtrip, found 4 days ago
$68
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, May 28 from Sky Harbor Intl. to Denver Intl., returning Thu, May 28, priced at $68 found 4 days ago
Frontier Airlines
Tue, May 12 - Wed, May 20
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$68 Roundtrip, found 1 day ago
$68
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 12 from Dallas-Fort Worth Intl. to Denver Intl., returning Wed, May 20, priced at $68 found 1 day ago
Frontier Airlines
Sat, Jun 6 - Tue, Jun 9
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$82 Roundtrip, found 14 hours ago
$82
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sat, Jun 6 from Minneapolis - St. Paul Intl. to Denver Intl., returning Tue, Jun 9, priced at $82 found 14 hours ago
American Airlines
Tue, May 26 - Tue, Jun 2
LAX
Los Angeles Intl.
DEN
Denver Intl.
$140 Roundtrip, found 1 day ago
$140
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 26 from Los Angeles Intl. to Denver Intl., returning Tue, Jun 2, priced at $140 found 1 day ago
Delta
Wed, May 20 - Thu, May 21
LAX
Los Angeles Intl.
DEN
Denver Intl.
$161 Roundtrip, found 7 hours ago
$161
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, May 20 from Los Angeles Intl. to Denver Intl., returning Thu, May 21, priced at $161 found 7 hours ago
Sun Country Airlines
Tue, May 12 - Wed, May 13
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$161 Roundtrip, found 1 day ago
$161
Roundtrip
found 1 day ago
Select Sun Country Airlines flight, departing Tue, May 12 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, May 13, priced at $161 found 1 day ago
Bargain Flight
Tue, Apr 28 - Tue, May 12
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$190 Roundtrip, found 1 hour ago
$190
Roundtrip
found 1 hour ago
Select Bargain Flight flight, departing Tue, Apr 28 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, May 12, priced at $190 found 1 hour ago
Bargain Flight
Tue, Aug 18 - Wed, Aug 19
DFW
Dallas-Fort Worth Intl.
COS
Colorado Springs
$212 Roundtrip, found 2 days ago
$212
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Tue, Aug 18 from Dallas-Fort Worth Intl. to Colorado Springs, returning Wed, Aug 19, priced at $212 found 2 days ago
Delta
Wed, Jun 10 - Tue, Jun 23
DAL
Love Field
DEN
Denver Intl.
$222 Roundtrip, found 1 hour ago
$222
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jun 10 from Love Field to Denver Intl., returning Tue, Jun 23, priced at $222 found 1 hour 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
Alaska Airlines
Tue, May 12 - Thu, May 28
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$242 Roundtrip, found 17 hours ago
$242
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Tue, May 12 from Sky Harbor Intl. to Denver Intl., returning Thu, May 28, priced at $242 found 17 hours ago
Delta
Tue, Aug 18 - Wed, Aug 19
DAL
Love Field
COS
Colorado Springs
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 18 from Love Field to Colorado Springs, returning Wed, Aug 19, priced at $255 found 1 day ago
Delta
Sat, Sep 5 - Tue, Sep 15
LAX
Los Angeles Intl.
COS
Colorado Springs
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Sep 5 from Los Angeles Intl. to Colorado Springs, returning Tue, Sep 15, priced at $261 found 1 day ago
Bargain Flight
Wed, May 13 - Tue, May 19
PHX
Sky Harbor Intl.
COS
Colorado Springs
$324 Roundtrip, found 11 hours ago
$324
Roundtrip
found 11 hours ago
Select Bargain Flight flight, departing Wed, May 13 from Sky Harbor Intl. to Colorado Springs, returning Tue, May 19, priced at $324 found 11 hours ago
Contour Airlines
Tue, Jun 30 - Wed, Jul 1
PHX
Sky Harbor Intl.
DEN
Denver Intl.
$379 Roundtrip, found 19 hours ago
$379
Roundtrip
found 19 hours ago
Select Contour Airlines flight, departing Tue, Jun 30 from Sky Harbor Intl. to Denver Intl., returning Wed, Jul 1, priced at $379 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 May, 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 12 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 $58, 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 $58 right now, why wait?

Castle Rock Flight Information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Roundtrip price
$57

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! (2,008 reviews)
N

Reviewed on Apr 25, 2026

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Holiday Inn Express Denver Downtown by IHG
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! (2,364 reviews)
Loved our stay able to check in early

Reviewed on Apr 25, 2026

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Sonesta Denver Downtown
Hyatt Place Denver Downtown

Hyatt Place Denver Downtown

3.5 out of 5
440 14th St 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 ...
9/10 Wonderful! (3,102 reviews)
Clean room, professional staff.

Reviewed on Apr 24, 2026

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Hyatt Place Denver Downtown
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! (4,075 reviews)
Friendly staff and great breakfast!

Reviewed on Apr 25, 2026

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The Academy Hotel Colorado Springs
the Curtis Denver - a DoubleTree by Hilton Hotel

the Curtis Denver - a DoubleTree by Hilton Hotel

4 out of 5
1405 Curtis Street Denver CO
Book a stay at this luxury hotel in Denver. Enjoy free WiFi, breakfast (surcharge), and a 24-hour fitness center. Our guests praise the helpful staff and the ...
8.8/10 Excellent! (1,321 reviews)
Rooms were big and clean! Had games to play you can ask for at the front desk, and complimentary cookies were delicious

Reviewed on Apr 24, 2026

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the Curtis Denver - a DoubleTree by Hilton Hotel
Hyatt Place Denver South/Park Meadows

Hyatt Place Denver South/Park Meadows

3 out of 5
9030 E Westview Rd Lone Tree CO
Book a stay at this business-friendly hotel in Lone Tree. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...
9/10 Wonderful! (1,233 reviews)
Fantastic location with super friendly staff!

Reviewed on Apr 25, 2026

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Hyatt Place Denver South/Park Meadows
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! (2,368 reviews)
Amazing hotel, nice location, within walking distance to the major stadiums.

Reviewed on Apr 24, 2026

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Hyatt Centric Downtown Denver
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! (2,218 reviews)
Pet and human hair in the sheets in the bed. Genrally not in great condition, faucets tarnished and couch cushions stained. Front desk staff was super friendly and helped with extra toothpaste.

Reviewed on Apr 23, 2026

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Hilton Garden Inn Denver Union Station, CO
See all 3,966 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.