HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Estes Park

$33+ Cheap flights from Sky Harbor Intl (PHX) to Estes Park, CO

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Estes Park with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Estes Park are usually found in February or January, booked 56 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Sky Harbor Intl to Estes Park

Cheapest flights from Sky Harbor Intl to Estes Park
Explore the most affordable flight options available from Sky Harbor Intl to Estes Park. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Super.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amPHX - DEN
Nonstop1h 55mFrontier
Tue 2/35:11 pmDEN - PHX
Nonstop2h 08mFrontier
Deal found 12/13$67
This Frontier deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amPHX - DEN
Nonstop1h 55mFrontier
Wed 2/49:44 pmDEN - PHX
Nonstop2h 09mFrontier
Deal found 12/13$68
This Frontier deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amPHX - DEN
Nonstop1h 55mFrontier
Fri 1/307:17 pmDEN - PHX
Nonstop2h 09mFrontier
Deal found 12/13$72
This Super.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:43 pmPHX - DEN
Nonstop1h 56mFrontier
Wed 12/3110:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 12/14$77
This Expedia deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amPHX - DEN
Nonstop1h 55mMultiple Airlines
Sun 1/1812:34 pmDEN - PHX
1 stop6h 51mMultiple Airlines
Deal found 12/14$107
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:26 pmPHX - DEN
1 stop5h 32mFrontier
Wed 1/710:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 12/14$109
This Orbitz deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:56 amPHX - DEN
1 stop10h 43mFrontier
Tue 1/610:29 pmDEN - PHX
Nonstop2h 00mFrontier
Deal found 12/13$111
This Frontier deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:40 pmPHX - DEN
1 stop7h 59mFrontier
Thu 1/296:00 amDEN - PHX
Nonstop2h 12mFrontier
Deal found 12/13$115

Find flight deals from Sky Harbor Intl to Estes Park

Keep the following information in mind while searching for Sky Harbor Intl to Estes Park flight deals. Data was last updated December 15, 2025.

Round-trip from

$67
(Super.com)

One-way from

$33
(Priceline)

Popular in

June

Cheapest in

February

Average price

$179
From Phoenix Sky Harbor Intl to Estes Park
Search Deals
One-way flight from Phoenix Sky Harbor Intl to Estes Park
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Estes Park that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Estes Park that are best for you.

Fly from

Sky Harbor Intl

Fly to

Estes Park

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 1/17

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

Tue 1/20

12:34 pm-7:25 pm

1 stop6h 51m

$136

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 1/14

8:24 am-11:58 pm

1 stop15h 34m

Denver Intl

Sun 1/18

8:04 am-3:03 pm

1 stop6h 59m

$136

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 1/15

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

Sun 1/18

12:34 pm-7:25 pm

1 stop6h 51m

$156

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sun 1/18

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

Mon 1/19

7:39 pm-2:00 pm

1 stop18h 21m

$156

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sun 1/11

8:24 am-6:41 pm

1 stop10h 17m

Denver Intl

Wed 1/14

8:04 am-2:00 pm

1 stop5h 56m

$156

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 1/16

8:07 pm-11:38 am

1 stop15h 31m

Denver Intl

Sun 1/18

8:04 am-3:03 pm

1 stop6h 59m

$166

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 1/14

8:24 am-11:58 pm

1 stop15h 34m

Denver Intl

Mon 1/19

12:34 pm-7:25 pm

1 stop6h 51m

$166

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 1/30

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

Sun 2/1

12:34 pm-7:25 pm

1 stop6h 51m

$176

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 1/22

3:45 pm-11:58 pm

1 stop8h 13m

Denver Intl

Sun 1/25

8:04 am-3:03 pm

1 stop6h 59m

$176

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 1/24

8:30 am-4:25 pm

1 stop7h 55m

$64

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 results
1
2

Best time to book a flight from Sky Harbor Intl to Estes Park

Have a flexible travel schedule? Discover the best time to fly to Estes Park from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Estes Park

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Estes Park?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Estes Park. Price data was last updated on December 12, 2025.

The best time to book flights from Phoenix Sky Harbor Intl Airport to Estes Park is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Estes Park?

Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Estes Park (average of $53). Flying from Phoenix Sky Harbor Intl Airport to Estes Park in July is currently the most expensive (average of $102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to ES9?

Find hourly flight availability from Sky Harbor Intl to Estes Park. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

When flying from Phoenix Sky Harbor Intl Airport to Estes Park, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 47% versus a flight at noon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Estes Park?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Estes Park. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Estes Park flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Phoenix Sky Harbor Intl Airport to Estes Park

Explore weekly flight availability from Sky Harbor Intl to Estes Park. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 15, 2025.

The most flights from PHX to ES9 are scheduled on a Monday (45 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Estes Park?

Reviews of airlines servicing Estes Park

Get insights into the airlines that provide service to Estes Park. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Estes Park. Reviews last updated December 15, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Phoenix Sky Harbor Intl Airport to Estes Park by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,249 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,249 reviews
Southwest
7.9
Good
4,249 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,249 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,051 reviews
Southwest
7.9
Good
4,249 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,079 reviews
Southwest
7.9
Good
4,249 reviews

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Estes Park. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Estes Park?

    For as low as $136, Alaska Airlines can have you in Estes Park from Phoenix Sky Harbor Intl Airport in 8h 13m. The distance between Phoenix Sky Harbor Intl Airport and Estes Park is about 601 mi.

  • What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Estes Park one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $33. Users have also found prices from $68 and $74 on American Airlines and United Airlines, respectively.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Estes Park?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Phoenix Sky Harbor Intl Airport to Estes Park on time: Lufthansa (85%), Envoy Air (83%), SkyWest Airlines (83%).

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Estes Park?

    Looking for the cheapest flight from Phoenix Sky Harbor Intl Airport to Estes Park? While on average our users pay $937, our data indicates the cheapest price to be $51. The most popular route (Phoenix Sky Harbor Intl - Denver Intl), is priced around $53.

  • Can I find deals for flights from Sky Harbor Intl to Estes Park that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Estes Park flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Estes Park?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Estes Park.

  • Can I find deals for business class flights from Sky Harbor Intl to Estes Park?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Estes Park by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Estes Park?

    Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Estes Park (average of $53). Flying from Phoenix Sky Harbor Intl Airport to Estes Park in July is currently the most expensive (average of $102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Sky Harbor Intl to Estes Park

Discover the top 4 airlines that operate flights from Sky Harbor Intl to Estes Park. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$65Average$145FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$137Average$221FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$138Average$336FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$153Average$244FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.