Cheap flights from Phoenix Sky Harbor Intl Airport to Denver
PHX — DEN
3 Jan — 10 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Denver Intl are usually found in February or January, booked 78 days in advance, depart on a Thursday or Sunday and return on a Monday
Find flight deals from Sky Harbor Intl to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 December 2025.
Popular in
June
Cheapest in
February
Average price
C$ 229
Good one-way deal
C$ 130 or less
Highest demand for flights based on searches. 12% potential increase in price (C$ 46 potential increase over avg. RT price).
Best time to book a flight from Sky Harbor Intl to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver
Prices
Airlines
Delays
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Denver. Price data was last updated on 28 November 2025.
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Denver?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of C$ 78). Flying from Phoenix Sky Harbor Intl Airport to Denver in July is currently the most expensive (average of C$ 142). 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 DEN?
Find hourly flight availability from Sky Harbor Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 December 2025.
One of the essential ways to save on airfare from Phoenix Sky Harbor Intl Airport to Denver is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 46% on airfare.
Weekly flight availability from Phoenix Sky Harbor Intl Airport to Denver
Explore weekly flight availability from Sky Harbor Intl to Denver. 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 4 December 2025.
The most flights from PHX to DEN are scheduled on a Thursday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).
How often are flights from Phoenix to Denver delayed?
About 15% of weekly flights between Phoenix and Denver have experienced delays in the past year, with the average delay time being 124 minutes.
What is the most punctual flight time for Phoenix to Denver flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Phoenix to Denver flights?
Over the past year, Frontier has had the lowest number of delays on this route, with just 12% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Denver from Phoenix Sky Harbor Intl?
Most people fly into Denver Intl (DEN) if they book a flight to Denver from Phoenix Sky Harbor Intl. On average, Denver Intl has 34 inbound flights from Phoenix Sky Harbor Intl per day from 0 airlines. Denver Intl is conveniently located just 29.7 km from Denver’s city centre.
What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Denver?
The top 3 most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Denver are Lufthansa (85%), Envoy Air (83%) and SkyWest Airlines (83%).
Can I find deals for flights from Sky Harbor Intl to Denver that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Denver?
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 Denver.
Can I find deals for business class flights from Sky Harbor Intl to Denver?
Yes. Cheapflights offers flight deals from Sky Harbor Intl to Denver 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 Denver?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of C$ 78). Flying from Phoenix Sky Harbor Intl Airport to Denver in July is currently the most expensive (average of C$ 142). 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.
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 4 December 2025.
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on 4 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sky Harbor Intl to Denver?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sky Harbor Intl to Denver. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to Denver?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Denver from Sky Harbor Intl.
Can Cheapflights find flights from Sky Harbor Intl to Denver with no change fees?
Need flexible booking options for your flight to Denver from Sky Harbor Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Sky Harbor Intl to Denver become cheaper?
Yes, Cheapflights offers price alerts on Sky Harbor Intl to Denver flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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