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C$ 125 Find cheap flights to Castle Rock

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Castle Rock departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 13/7
Sat 20/7

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Low season

January

High season

June

Cheapest flight

C$ 125
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly and prices are also 1% lower on average.
Flight from Calgary to Denver

FAQs - booking Castle Rock flights

  • How long is the flight to Castle Rock?

    Flights from Edmonton2h 46m
    Flights from Montreal3h 56m
    Flights from Toronto3h 26m
    Flights from Winnipeg2h 29m
    Flights from Calgary2h 29m
  • What is the cheapest flight to Denver?

    If travelling to Denver, the cheapest city to fly from in the last 3 days was Calgary, with flights as low as C$ 170 one-way and C$ 248 round-trip. Flights from Toronto are the most searched and start at $198 for a round-trip.

  • Which airlines fly to Denver?

    United Airlines, Air Canada and WestJet are the most frequent flyers to Denver from Canada. See the amount of flights per week for popular airlines flying to Denver.

  • How to fly to Castle Rock?

    You cannot fly directly to Castle Rock. KAYAK recommends you fly to Denver Intl (DEN) (56.3 km from Castle Rock). From there you can rent a car or get a taxi.

  • What airports are near Castle Rock?

    The closest airport is Denver Intl (DEN) (56.3 km). Other nearby airports are Colorado Springs (COS) (64.33 km) or Loveland Northern Colorado (FNL) (120.67 km). KAYAK recommends you fly to Denver Intl.

  • How far is Denver from central Denver?

    There are 30 km between Denver downtown and Denver.

  • What is the name of Denver’s airport?

    When flying to Denver, you'll arrive at Denver (DEN). The airport is also known as Denver or Denver Intl.

  • How does KAYAK find such low prices on flights to Castle Rock?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Castle Rock.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Castle Rock?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Castle Rock is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Castle Rock?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Castle Rock with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Castle Rock?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Castle Rock up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to Castle Rock

  • There is no major airport in Castle Rock. It is instead served by Denver Intl Airport.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Castle Rock flight deals.

Top 5 airlines flying to Castle Rock

Need help choosing which airline to fly with from Canada to Castle Rock? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.8
Endeavor AirlinesOverall score based on 4 reviews
7.0Entertainment
9.5Boarding
9.5Crew
9.5Comfort
8.5Food
Airline reviews
Pros: "seat space was great and I was lucky enough to have medium size passenger next to me :-)"
Cons: "Can't really think of anything . . . my expectations were exceeded"
8.6 ExcellentIllan, Jun. 2019YYZ - JFK
Read more about Endeavor Airlines reviews
Pros: "seat space was great and I was lucky enough to have medium size passenger next to me :-)"
Cons: "Can't really think of anything . . . my expectations were exceeded"

It was very cold because the air conditioner was on high power, and my son got sick.

3 hours late and all they have is was a $12 meal voucher. That’s not even enough to cover fast food.

Among the poorest flights I’ve had with Delta in a while. Entertainment system failed completely on a 7.5 hr flight. Crew seemed distracted and not the normal friendly crew. Flight overbooked it seemed… very crowded.

If I can, I always fly Delta. I’ve found their service to always be reliable and pleasant.

You could have not cancelled the flight (AA, which I will be flying from now on) left for BOS despite the fictitious weather issues (that no one in my Boston family could see). You could have rebooked my direct flight to another direct flight instead of sending me though JFK, the worst US airport after O’Hara You could have rebooked me on a Main Cabin seat (like the one I paid for in my original ticket instead of putting me a the last row on JFK->BOS leg, pocketing the difference in ticket price But I do not really care whether you will ever do that in a future because in a future neither I nor anyone from my company (unless they pay out of pocket) nor an of my clients and partners (if they heed my advice) will ever be caught dead on any of Delta flights

Really bad baggage handling. Had my Rimowa bag badly damaged at the latches.

It was pretty good I was worried with the short Layover that I might not catch my connection but the gate was there

It was good until there was a 3 hour delay because there was not any pilots to fly the plane.

There was plenty of overhead room but half of the passengers were told they had to check their carryon bags. My partner and I checked in as early as possible and our seats were split across the aisle.

Ongoing flight was delayed. Staff at bag recheck was able to get us on an earlier flight. With only 20 minutes till take off we feared our bags would not make the new earlier flight. We were most delighted that they did and were there when we landed. Delta came through

It was fine. I had a lot of trouble trying to buy a seat. The Westjet website charged me and then didn’t give me my seat. I ended up keeping the seat I was assigned and hope that the charges didn’t go through.. they didn’t. But this problem with the website (trying to purchase a seat at check in) has happened a few times before. But overall the flight was good.

Terrible! Delayed three times, landed at some corner of airport, walked in bitter cold night, took a bus, bad experience

My wife and I had an uncomfortable experience with your WestJet ticket counter rep at the WestJet Priority Member ticket counter at YYC (Calgary) on May 15, 2024. I not knowing this individual’s exact name, however, in order to easily identify her, she was one (of only two at the time) ticket counter reps at your Priority members ticket counter check-in, upon our arrival around 12:15 p.m. She was a Caucasian woman with blonde hair, and wore spectacles, approximate age being probably somewhere in her 30’s or 40’s. Background: After arriving in to the West Jet terminal in Calgary (YYC), I asked a terminal employee where the West Jet check-in ticket counter was. He told me, “Column 16”. My wife and I continuing to walk through the terminal, we finally arrived at the Column 16 area, i.e. this woman’s ticket counter area, which we discovered later was the Priority Member ticket counter. However, I was simply going by the directions given to me by the previous employee, i.e. “Walk to column 16.” Standing in her line (my wife and I being the only people in her line at the time), I tried to get her attention, and I then gestured to her, motioning to her as if to ask her if I should then possibly leave the waiting line in order to then proceed to walk up to her ticket counter. She never really motioned me to come forward. I sort of had to figure this out on my own, as my wife and I then finally decided to walk forward to her station. From this point on, after I arrived at her ticket counter, never once did she ever look me in the eye. She was always looking at her computer screen, or down at the ground, as she and I occasionally exchanged conversation with one another in order for me to be able to acquire my boarding passes from her. Shortly after she began servicing us, she commented that her work section is for Priority members only. Fair enough. I did not realize this at the time. Wishing to be polite, I then mentioned to her that, if I should, I could then walk over to the regular West Jet check-in ticket counter in order to complete the check-in process. She remained quiet, never responding to this goodwill gesture of mine. She continued to work in order to print out my boarding passes, and then finally handed them to me, never at all the entire time looking at me. I told her, “Thank you.” Never once did she respond. My wife and I then walked away. Even my wife commented to me afterward that this woman absolutely never looked at us. I cannot say that this attendant was outright rude. However, she certainly was not at all warm, congenial, nor friendly. Additionally, … After getting on the plane, we then discovered that she had needlessly assigned us seats in the very last row of the plane, these being the seats adjacent to the restroom back wall, thus, unfortunately not at all reclinable. I think that the row number of this last row of seats was 30. [However, I am not sure.] How strangely awkward that we were assigned these uncomfortable row of seats when in fact the row immediately ahead of us, i.e. I think that was row 29, had two vacancies, which could have otherwise easily seated my wife and me. That is, my wife and I could have easily been assigned these more comfortable seats, which would be reclinable, and then row 30 could have otherwise had instead our two vacancies. After our flight departed, and the fasten seatbelt sign was turned off, my wife and I had hoped to “jump seats”, that is, to leave row 30 and instead sit in row 29 to utilize the reclinable seats. However, another couple apparently had the same idea as us. That is, these other two people, for whatever reason, decided to leave their previously assigned seats, and instead, seat themselves in row 29. Thus, my wife and I were stuck with these miserably cramped row 30 seats for the entire 3.5 hour flight. To reiterate, the WestJet rep we originally encountered, knowledgeable of the plane lay-out as it appeared on her computer screen, could have easily assigned us the more comfortable row 29 seats, instead of the non-reclinable row 30 seats.

It was very, very cold extremely uncomfortable almost unbearable I was sitting at the front of the cabin

Was the longest flight I have ever taken to Orlando. Not Westjet’s fault necessarily. There was a traffic issue in Orlando. We sat in the airplane for about 2 hrs before leaving Calgary on a 5 hour flight was just a little long to be stuck in the plane. Once we arrived in Orlando we were stuck in traffic on the ground for another 30min. I guess maybe the flight could be delayed so boarding would have been later so we wouldn’t have to have the discomfort of being on the plane so long.

Airport monitors did not give the gate for our flight returning Detroit to Vancouver Juice served from glass storage containers are a far more healthy alternative for people. And would also minimize the need for recycling plastic or aluminum containers

I wish that seats closer to the front of the plan were available, but when I booked the flight the seats were VERY expensive so I did not book seats at that time. The day before flying only seats at the back of the plane were available. It takes so long to board the plane and empty the plane on arrival due to SO many roller bags.

Good flight. No I’m seat entertainment. But my phone worked just fine on the west jet app.

I had planned to watch the Westjet entertainment for the entire flight however, because the seat mounted outlets in our row did not work.

Not a bad flight but our priority tagged luggage was the very last to come down the carousel.

Horrible, the flights kept delaying, so it is obvious that we won't be able to make it to the next connection. No easier/real agent on site to help you figure this out. UA agent on other counters refuse to assist you and direct us to use the QR code/call customer service. So inefficient and poor. While technology seems convenient, but it's not the best interest/experience for customers need help while there is active issue need assistance.

Not worth the price of premium class ticket paid, felt more like steerage.

I have to wait for plane in Denver for three hours. I don’t receive my luggage in Denver. I come back home without the luggage and I wait till next day to see my luggage again. Not really good experience with United airlines. I’m sorry to say that.

The Wi-Fi was unavailable on this flight for some reason.

This was a Lufthansa flight, not United. The CSA at the counter, Ashley, was not only incompetent, but quite rude. Me and two other PAX waited over 7 minutes standing in front of her and another CSA and they ignored us. We joked that we must have accidently taken invisibility pills. She could have at least said "I'll be with you in a moment, I'm currently....". I could go on about how rude she and the other CSAs were (whispering, not communicating with me, blaming the situation on others, etc.). She would not work for me. Then, she gave me literally the worst seat on the plane. the worst. My seat kept getting bumped (rammed twice by the crew with their carts and about every 5 minutes by someone using the bathroom), listening to the bathroom all night, crowded seat, etc.

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

I paid $380 for my one-way ticket from California to Minnesota. The fair did not include online check-in. I received instructions from their app to check in at a kiosk. At the kiosk, the boarding pass would not print until an actual person came to verify that I had a personal item and not a carry-on item, On the plane, the person next to me was drunk and allowed to continue to order alcohol. United is garbage I’d rather fly spirit.

The plane was dirty and the in seat air wasn't blowing as planes usually do.

Generally good but there wasn’t any staff available when my luggage didn’t appear at baggage claim in Fresno. It took about half an hour to locate a staff member to open up the room where it was being kept.

T hey did a great job. Flight was on time .

The flight was very turbulent. The who 3 hours we mostly needed seat belts. Plane is older and does not have tv screens so no entertainment.

Experienced flight cancelations and delays in 5 days. They seem pretty common to AC. Experienced with one of AC's check-in agents at the counter of a big liar. She lied and acted (yes like acting in a movie) that an early flight was fully booked and refused to rebook me, but my flight was delayed two hours so I could not make my connection. Later, I got help at the gate to switch the early flight (Big thanks to that agent). Ater boading, I found the early flight was only 2/3 full meaning there was almost one vacant seat in a 3-person seater, and multiple empty 3-seaters. AC is wired that it is filled with good and bad employees. BTW, AC employees seem never smile, or they don't know how.

Not much food/snacks. I had just tea and it was so bitter.

My husbands flight last night Vancouver/Sydney was 90 minutes late in leaving. My flight tonight Vancouver/Seattle was also late in departing.

My mother, 80years old, had arranged for wheelchair assist to and from the aircraft cabin and in the airport but, no one showed up for her to de-plane. Apart from Air Canada having a reputation of being late for every leg of its flight so nothing was new this time so this time they did worse by not assisting seniors. I guess our whole family is done with this airline

Flights delayed over 4 hours with no compensation. No agents at counters to assist with re-booking.

Seating for almost 3 hours in the plan before aircraft takeoff. Very exhausted .

The bathroom did not have hand soap. That is unacceptable.

The only problem I encountered was they changed the gate on me while I was sitting down but no one notified me, they had sent me an email and by coincidence I checked it and found out that they had changed my boarding terminal. No one notified me and when I had asked the lady she told me yes this is the spot while they had already changed to another gate/terminal

I was seated next to someone who was, to be polite, not a small person. I had to press myself against the wall as I had no personal space. Aside from that the crew was wonderful and they got me home safely, which is the most important part of my journey. I am very appreciative to your air crews for the job they have, which isn't easy, and appreciative of the fact that they are professional and courteous. The employees I encountered on my journey, with the few exceptions I mentioned in a previous review, are a credit to Air Canada.

Book Cheap Castle Rock Plane Tickets

Recent round-trip flight deals

23/6Sun
directWestJet
2h 32mYYC-DEN
1/7Mon
directWestJet
2h 27mDEN-YYC
C$ 181
10/7Wed
directWestJet
2h 32mYYC-DEN
11/7Thu
directWestJet
2h 27mDEN-YYC
C$ 187
23/8Fri
directAir Canada
2h 31mYYC-DEN
26/8Mon
1 stopAir Canada
9h 29mDEN-YYC
C$ 235
23/8Fri
1 stopAir Canada
6h 16mYYC-DEN
26/8Mon
1 stopAir Canada
9h 29mDEN-YYC
C$ 242
19/9Thu
directDelta
2h 26mYYC-DEN
23/9Mon
directDelta
2h 28mDEN-YYC
C$ 321
6/8Tue
1 stopDelta
8h 38mYYC-DEN
15/8Thu
1 stopDelta
10h 25mDEN-YYC
C$ 324
9/7Tue
1 stopAlaska Airlines
6h 38mYEG-DEN
17/7Wed
1 stopAlaska Airlines
13h 23mDEN-YEG
C$ 368
21/9Sat
directUnited Airlines
2h 51mYVR-DEN
21/9Sat
1 stopUnited Airlines
6h 04mDEN-YVR
C$ 378
28/9Sat
1 stopAlaska Airlines
9h 28mYVR-DEN
8/10Tue
1 stopAlaska Airlines
10h 00mDEN-YVR
C$ 398
22/9Sun
directUnited Airlines
2h 31mYYC-DEN
8/10Tue
directUnited Airlines
2h 29mDEN-YYC
C$ 412

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4/7Thu
directWestJet
2h 32mYYC-DEN
C$ 125
21/9Sat
directWestJet
2h 26mYYC-DEN
C$ 128
26/8Mon
directAir Canada
2h 31mYYC-DEN
C$ 133
17/9Tue
directAir Canada
2h 31mYYC-DEN
C$ 136
26/6Wed
directDelta
2h 32mYYC-DEN
C$ 202
25/7Thu
1 stopDelta
4h 39mYWG-DEN
C$ 203
26/7Fri
directUnited Airlines
2h 40mYYC-DEN
C$ 225
16/8Fri
1 stopAlaska Airlines
4h 58mYVR-DEN
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C$ 239
3/7Wed
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3h 42mYYZ-DEN
C$ 286

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Last minute flights to Castle Rock

Last minute flight, train and bus deals

18/6Tue
directWestJet
2h 32mYYC-DEN
25/6Tue
directWestJet
2h 27mDEN-YYC
C$ 177
18/6Tue
directAir Canada
2h 39mYYC-DEN
22/6Sat
multi-stopAir Canada
7h 57mDEN-YYC
C$ 199
18/6Tue
multi-stopAir Canada
6h 23mYYC-DEN
22/6Sat
multi-stopAir Canada
7h 02mDEN-YYC
C$ 206
18/6Tue
multi-stopDelta
8h 24mYYC-DEN
22/6Sat
directDelta
2h 27mDEN-YYC
C$ 347
16/6Sun
multi-stopUnited Airlines
7h 59mYVR-DEN
17/6Mon
directUnited Airlines
3h 04mDEN-YVR
C$ 426
18/6Tue
multi-stopWestJet
8h 17mYHM-DEN
25/6Tue
multi-stopWestJet
7h 55mDEN-YHM
C$ 459
18/6Tue
multi-stopAlaska Airlines
7h 03mYYC-DEN
25/6Tue
multi-stopAlaska Airlines
21h 45mDEN-YYC
C$ 508
18/6Tue
multi-stopDelta
7h 02mYYZ-DEN
21/8Wed
multi-stopDelta
9h 21mDEN-YYZ
C$ 550
18/6Tue
directUnited Airlines
3h 42mYYZ-DEN
21/8Wed
multi-stopUnited Airlines
5h 53mDEN-YYZ
C$ 600
18/6Tue
multi-stopAlaska Airlines
12h 19mYYC-DEN
22/6Sat
multi-stopAlaska Airlines
24h 07mDEN-YYC
C$ 880

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