Cheap flights To Castle Rock (DEN) from $46

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Cheap Flights to Castle Rock from $46 One Way, $87 Round Trip

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

Sat, Sep 26 - Tue, Sep 29
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$87 Roundtrip, found 1 hour ago
$87
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Sep 26 from Minneapolis - St. Paul Intl. to Denver Intl., returning Tue, Sep 29, priced at $87 found 1 hour ago
Tue, Aug 18 - Wed, Aug 19
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$90 Roundtrip, found 2 days ago
$90
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 18 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Aug 19, priced at $90 found 2 days ago
Thu, Oct 8 - Mon, Oct 12
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$92 Roundtrip, found 8 hours ago
$92
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Oct 8 from Minneapolis - St. Paul Intl. to Denver Intl., returning Mon, Oct 12, priced at $92 found 8 hours ago
Wed, Oct 14 - Sat, Oct 17
ORD
O'Hare Intl.
DEN
Denver Intl.
$110 Roundtrip, found 7 hours ago
$110
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Wed, Oct 14 from O'Hare Intl. to Denver Intl., returning Sat, Oct 17, priced at $110 found 7 hours ago
Mon, Dec 7 - Fri, Dec 11
PIE
St. Petersburg-Clearwater Intl.
COS
Colorado Springs
$116 Roundtrip, found 1 day ago
$116
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Mon, Dec 7 from St. Petersburg-Clearwater Intl. to Colorado Springs, returning Fri, Dec 11, priced at $116 found 1 day ago
Tue, Nov 24 - Mon, Nov 30
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$147 Roundtrip, found 10 hours ago
$147
Roundtrip
found 10 hours ago
Select Sun Country Airlines flight, departing Tue, Nov 24 from Minneapolis - St. Paul Intl. to Denver Intl., returning Mon, Nov 30, priced at $147 found 10 hours ago
Thu, Oct 8 - Sun, Oct 11
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$199 Roundtrip, just found
$199
Roundtrip
just found
Select United flight, departing Thu, Oct 8 from Minneapolis - St. Paul Intl. to Denver Intl., returning Sun, Oct 11, priced at $199 just found
Sat, Aug 15 - Sat, Aug 22
TPA
Tampa Intl.
DEN
Denver Intl.
$200 Roundtrip, found 5 hours ago
$200
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, Aug 15 from Tampa Intl. to Denver Intl., returning Sat, Aug 22, priced at $200 found 5 hours ago
Tue, Sep 29 - Wed, Oct 7
ORD
O'Hare Intl.
DEN
Denver Intl.
$205 Roundtrip, found 22 hours ago
$205
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Sep 29 from O'Hare Intl. to Denver Intl., returning Wed, Oct 7, priced at $205 found 22 hours ago
Fri, Sep 4 - Sun, Sep 6
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$207 Roundtrip, found 1 hour ago
$207
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Fri, Sep 4 from Minneapolis - St. Paul Intl. to Denver Intl., returning Sun, Sep 6, priced at $207 found 1 hour ago

Castle Rock Flight Information

Traveling To
Castle Rock
Destination Airport IATA Code
DEN
Number of Airlines Serving
Airlines
Frontier Airlines, Allegiant Air, Sun Country Airlines, Southwest Airlines, Delta, American Airlines, United
Flight Price
$87
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Castle Rock economy flight packages

Price found within the past 48 hours. Click for updated prices.
Twin Rivers Condominiums by Alderwood Colorado Management
3.0-star property

Twin Rivers Condominiums by Alderwood Colorado Management

Aug 31 - Sep 7

7 night stay

Austin (AUS) to Denver (DEN)

Frontier Airlines • Coach

Denver (DEN) to Austin (AUS)

Southwest Airlines • Coach
Save 100% on your flight
Price was $716, price is now $463 per person
$463
per person
found 1 day ago
Glenwood Springs Inn
2.0-star property

Glenwood Springs Inn

Sep 17 - Sep 21

4 night stay

Minneapolis (MSP) to Denver (DEN)

Frontier Airlines • Coach

Denver (DEN) to Minneapolis (MSP)

Southwest Airlines • Coach
Save 100% on your flight
Price was $834, price is now $484 per person
$484
per person
found 1 day ago
Pines at Meadow Ridge
3.0-star property

Pines at Meadow Ridge

Aug 31 - Sep 7

7 night stay

Austin (AUS) to Denver (DEN)

Frontier Airlines • Coach

Denver (DEN) to Austin (AUS)

Southwest Airlines • Coach
Save 100% on your flight
Price was $845, price is now $535 per person
$535
per person
found 1 day ago
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Castle Rock first class flight packages

Price found within the past 48 hours. Click for updated prices.
Motel 6 Aurora, CO – Medical Center
2.5-star property

Motel 6 Aurora, CO – Medical Center

6/10 (1,005 reviews)

Sep 7 - Sep 10

3 night stay

Minneapolis (MSP) to Denver (DEN)

Delta • FirstClass

Denver (DEN) to Minneapolis (MSP)

Frontier Airlines • FirstClass
Price was $644, price is now $566 per person
$566
per person
found 1 day ago
Air conditioning was falling off the wall in unit 160 and in unit 163 the people next door kept going out to smoke constantly and since the smoke tray was next door it reeked of cigarette.

Reviewed on Jul 23, 2026

Renaissance Denver Hotel & Conference Center
4.0-star property

Renaissance Denver Hotel & Conference Center

8.8/10 Excellent! (1,650 reviews)

Sep 7 - Sep 10

3 night stay

Minneapolis (MSP) to Denver (DEN)

Delta • FirstClass

Denver (DEN) to Minneapolis (MSP)

Frontier Airlines • FirstClass
Price was $684, price is now $613 per person
$613
per person
found 1 day ago
My only complaint as the AC in our room wasn’t cooling as much as we like but they did give us a fan to keep cool! We are from Texas and need our rooms super cold lol

Reviewed on Jul 24, 2026

AmericInn by Wyndham Denver Airport
3.0-star property

AmericInn by Wyndham Denver Airport

8.4/10 Very Good! (3,170 reviews)

Sep 7 - Sep 10

3 night stay

Minneapolis (MSP) to Denver (DEN)

Delta • FirstClass

Denver (DEN) to Minneapolis (MSP)

Frontier Airlines • FirstClass
Price was $730, price is now $671 per person
$671
per person
found 1 day ago
This was a quick overnight at DIA. The hotel is the nicely cleaned up RED LION. Rooms are suites. Spacious and clean. Carpet new. Very adequate for quick stay. In group of similar hotels. NOT a resort but a clean quiet rest😘. Perfect for our layover needs.

Reviewed on Jul 24, 2026

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Castle Rock

Save more on flights to Castle Rock while making top-quality travel arrangements. At Orbitz we provide access to low cost flights, hotel lodgings and other discounts, along with superior customer service and an unbeatable satisfaction guarantee.

Compare And Book Discount Flights to Castle Rock

Now it is easier than ever to find a discount Castle Rock flight. Orbitz users can compare airfares for both international and domestic flights and can quickly determine the best hotels and car rental companies to use. You may also check out hotel and other reviews along with a number of travel tips, making your visit to an unfamiliar destination enjoyable and hassle-free.

Use Your Mobile Phone To Secure A Low Cost Flight To Castle Rock

We now offer free apps for the most commonly used mobile devices. You can use your mobile phone to share relevant information pertaining to your trips, view images of local lodgings and take advantage of hotel and car rental discounts that may be available only to mobile device users.

Boost Your Frequent Flyer Rewards

You even retain your ability to earn frequent flier points and rewards when purchasing your tickets with Orbitz for Castle Rock flights. Enter your frequent flyer information into your Orbitz profile to start earning rewards.

You will find that Orbitz is a very low cost, yet very effective travel planner. Free updates via your mobile phone device will help to keep you and all relevant parties informed of important flight updates. With access to unbeatable sales on all travel essentials, Orbitz makes booking an affordable flight to Castle Rock a breeze.

Frequently asked questions

Which airlines fly to Castle Rock?
With 20 airlines operating services to Denver Intl. Airport (DEN), a major entrance point to Castle Rock, you have loads of options. Find a fabulous deal among these renowned international carriers that'll fly you to this city:

  • United Airlines - 269 flights to Castle Rock per month
  • Southwest Airlines - 88 flights to Castle Rock per month
  • Air Canada - 83 flights to Castle Rock per month

How much is a flight to Castle Rock?
Lots of huge deals were going begging this week, with round-trip flights to Castle Rock ranging from $87 to $207. But it was travelers starting their trip from Minneapolis (MSP) who nabbed the best bargains. One-way tickets to Castle Rock fell to just $46.
How to book the cheapest flight to Castle Rock?
Snapping up cheap flights to Castle Rock is as easy as booking your ticket with Orbitz. But if you'd like to make sure you're getting the best flight deals around, here are a few tips your budget will love:

  • Departing from or landing at other airports can often help you save on airfares. Type in your preferred departure and arrival airports. Next, select the 'Nearby airports' function below the form fields to look through your options.
  • If you're flexible with your schedule, click on the 'Show flexible dates' link. It'll bring up flight deals for the days around your selected departure. Airfares often vary depending on the day of the week.
  • Select 'Show options' to refine your search results. You can choose your preferred airline and seating class here. Under 'Sort & Filter' to the left, you can even specify whether you want to fly in the morning, afternoon or evening.
  • Once you've worked out your travel dates, book your flight. Ticket prices generally increase as the departure date gets closer.
  • Consider combining your flights, hotels and car rental into a package deal to save cash.
  • Whenever possible, avoid flying in the most popular seasons. Airfares are usually at their most expensive during summer, school breaks and around other vacation times like Thanksgiving and Christmas.

What is the best time to book a flight to Castle Rock?
Pick up a bargain and secure your seats to Castle Rock in January. If you've missed this month, fear not. February and August often have low airfares available, too. Just be careful you don't sleep on a sale — cheap flights pop up and disappear in the click of a mouse!
What day of the week is the cheapest to book a flight to Castle Rock?
Make a booking on a Tuesday, Wednesday or Saturday. Typically, these are the cheapest days of the week to purchase seats to Castle Rock. The getaway of your dreams starts with an incredible flight deal!
What is the cheapest day of the week to fly to Castle Rock?
According to Orbitz data from 2020, Monday is generally the best day of the week for cheap flights to Castle Rock. Tuesday also offers more affordable fares, whereas Saturday has the highest ticket rates. Although flying out at the weekend may be easier to organize, you'll have more money to play with if you jet out early in the week.
What is the cheapest month to fly to Castle Rock?
If you have some wiggle room with your travel plans, think about jetting off sometime in August. Orbitz data shows that this is generally the best month to travel if you want cheap flights to Castle Rock. As you would imagine, airfares climb in June and flights get snapped up fast.
Which airlines allow free cancellation?
We understand that plans can change and flexibility matters. That's why you can search for flights that include free cancellation and no change fees on Orbitz. Just click on "Filter by flexible change policies" and we'll find you fares with more flexibility than a lip balm left in the sun!
What do I need for the flight to Castle Rock?
There's nothing more exciting than jetting somewhere new, but it's smart to be prepared. The following handy tips will help get your journey off to a flying start:

  • Your travel documents are the most important items you'll need to take on your flight to Castle Rock. To avoid any issues when checking in, make sure that the personal information on your ticket corresponds with your government-issued ID.
  • Make time fly by even quicker on your short flight by packing the right things. Think snacks, a water bottle and entertainment. If you'd like your trip to Castle Rock to go quietly, put some noise-canceling headphones or earplugs into your carry-on bag as well.
  • It can get chilly on the plane. If you don't like the idea of shivering your way through the flight, bring an extra layer.

How do I get cheap first-class/business deals to Castle Rock?
Savvy travelers have mastered the art of finding first or business-class airfares to Castle Rock without the hefty price tag. Take their lead with these useful tips:

  • Be more flexible with your travel dates and hold out for big sales on first or business-class airfares.
  • Many low-cost airlines these days have terrific business-class seating for a reasonable price.
  • Make the most of your airline's flight rewards program and use points to upgrade your seat. You can also bid for an upgrade in online auctions.

What is the best time to go to Castle Rock?
Castle Rock is busy in June, July and August. If you're planning to visit during these months, it would be a good idea to book ahead of time to ensure you get the most rewarding deals. Like to know what the summer's like in Castle Rock? Average daily temperatures normally float between 55 ºF and 80 ºF. Like most of the Northern Hemisphere, the summer season kicks off June 20 here.
Travel tips for Castle Rock

  • Get into your comfy sneakers and discover this bustling city on foot. There are lots of big-name attractions you shouldn't miss, such as Outlets at Castle Rock and Red Hawk Ridge Golf Course.
  • You'll discover fun day trip adventures a short drive from Castle Rock's center. Check out Ball Arena first and then make tracks to Red Rocks Amphitheater.
  • Like to see the sights of Denver's other great cities? Pick up a car rental and road-trip your way to Golden or Arvada — or both! With your own ride, discovering those off-radar destinations will also be a cinch.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.