Cheap flights from Denver (DEN) to Sky Harbor Intl (PHX) from $21

This is the cheapest one-way flight price, found on 9/26. Prices may vary by date and flight preferences.
DEN — PHX
Oct 3 — Oct 101

How to find the cheapest flight from Denver (DEN) to Sky Harbor Intl (PHX)

All the information you need to plan the best DEN to PHX flight in 2023: compare Denver to Sky Harbor Intl flight prices with the expected peak season, weather and rainfall in Sky Harbor Intl.

Popular in

November

Cheapest in

January

Round-trip from

$247

One-way from

$63
High demand for flights, 23% potential price rise
Best time to find cheap flights, 47% potential price drop
From Denver Intl to Phoenix Sky Harbor Intl
One-way flight from Denver Intl to Phoenix Sky Harbor Intl

DEN - PHX

Price

$247 - $489

PHX

Temperature

55.4 - 95 °F

PHX

Rainfall

0 - 1.1 inches

How far in advance should I book a flight from Denver to Phoenix Sky Harbor Intl Airport?

Find a great deal and save up to 23% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Denver to Phoenix Sky Harbor Intl Airport within the next two weeks, with the cheapest ticket starting at $208.

What is the cheapest month to fly from Denver to Phoenix Sky Harbor Intl Airport?

The best pricing can be found in the month of January. Prices to Phoenix Sky Harbor Intl Airport from Denver average $203. You can even find prices in January for less than $203, as users have found deals to Phoenix Sky Harbor Intl Airport from as low as $60. The month of November appears to be one of the more expensive times to travel to Phoenix Sky Harbor Intl Airport from Denver. Flying in the targeted month can save you up to 29%.

When is the cheapest time to fly from Denver to Phoenix Sky Harbor Intl Airport (DEN - PHX)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Phoenix Sky Harbor Intl Airport as you normally would.

Cheap Frontier flights from Denver to Sky Harbor Intl

Find some of the cheapest Frontier flights traveling from Denver to Phoenix. Deals update often to give you more flight options matching your criteria
  • One of the most popular airlines traveling from Denver to Phoenix Sky Harbor Intl Airport is Frontier. Flights from Frontier traveling this route typically cost $204.68 RT. This price is typically 19% cheaper than other airlines that offer Denver to Phoenix Sky Harbor Intl Airport flights. When booking this route, the cheapest RT price found was $134. Denver Intl Airport is the most common Denver airport to take off from when flying to Phoenix Sky Harbor Intl Airport. Phoenix Sky Harbor Intl Airport is the most popular arrival airport in Phoenix Sky Harbor Intl Airport. When flying from Denver to Phoenix Sky Harbor Intl Airport, Frontier flights are 9% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from Denver to Sky Harbor Intl

Have a look at some of the cheapest available Spirit Airlines flights departing from Denver and landing in Phoenix. Deals are refreshing constantly so come back soon for more options.
  • If you’re traveling from Denver to Phoenix Sky Harbor Intl Airport, one of the more common airlines traveling that route is Spirit Airlines. Denver to Phoenix Sky Harbor Intl Airport flights are typically 30% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $269.74 RT. The cheapest Spirit Airlines flight found for this route was $79. When traveling from Denver to Phoenix Sky Harbor Intl Airport on Spirit Airlines, the most popular airport to depart from is Denver Intl Airport and the most popular airport to arrive at is Phoenix Sky Harbor Intl Airport. When flying from Denver to Phoenix Sky Harbor Intl Airport, Spirit Airlines flights are 6% more popular than any other airline flying that same route.

Cheap Denver to Sky Harbor Intl flights in September & October 2023

The best prices found for DEN to PHX flights for September, October
The lowest fares we've come across on flights traveling from Denver to Phoenix in September and October 2023. Check back soon for alternative fares.

Denver to Sky Harbor Intl 2023 flight deals

Cheap flights to Sky Harbor Intl from Denver found for this year
The lowest fares we've come across on flights traveling from Denver to Phoenix in September and October 2023. Check back soon for alternative fares.

Non-stop flights to Sky Harbor Intl from Denver

Save time with Denver to Sky Harbor Intl direct flight deals
If you're seeking options on non-stop flights from Denver to Phoenix, check out these fares. Users seeking other options on flights from Denver to Phoenix should update the search form at the top of the page.

Denver to Sky Harbor Intl flights leaving soon

Late deals on return flights to Sky Harbor Intl from Denver, departing today and this week
Users seeking a last-minute flight from Denver to Phoenix should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Sky Harbor Intl from Denver

The cheapest one-way flights from Denver to Sky Harbor Intl
If you're seeking multiple options on one-way flights from Denver to Phoenix, be sure to check out these deals, which are updated often. Users in need of a round-trip flight from Denver to Phoenix instead should update the search form at the top of page.

Find flights from Denver to Sky Harbor Intl within your budget

Use the slider to find flights from Denver to Sky Harbor Intl that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$38 - $81

Route

Depart

Return

Price

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Wed 10/11

Nonstop2h 00m

Phoenix Sky Harbor Intl

Sat 10/14

Nonstop1h 54m

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Sat 11/4

Nonstop1h 59m

Phoenix Sky Harbor Intl

Tue 11/7

Nonstop1h 54m

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Wed 11/1

Nonstop2h 00m

Phoenix Sky Harbor Intl

Mon 11/6

Nonstop1h 56m

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Fri 10/27

Nonstop2h 01m

Phoenix Sky Harbor Intl

Tue 10/31

Nonstop1h 53m

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Tue 10/10

Nonstop2h 02m

Phoenix Sky Harbor Intl

Sat 10/14

Nonstop1h 54m

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Wed 10/11

Nonstop2h 03m

Phoenix Sky Harbor Intl

Sat 10/14

1 stop5h 11m

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Tue 10/10

1 stop5h 46m

Phoenix Sky Harbor Intl

Sat 10/14

Nonstop1h 54m

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Thu 11/30

Nonstop2h 02m

Phoenix Sky Harbor Intl

Mon 12/4

1 stop10h 06m

Denver IntlPhoenix Sky Harbor Intl

DEN - PHX

DENPHX

Denver Intl

Fri 12/1

1 stop12h 59m

Phoenix Sky Harbor Intl

Mon 12/4

1 stop10h 06m

Flights are sorted by cheapest first

Deals found on 9/27

Reviews of airlines servicing Sky Harbor Intl

Get a feel of what it's like to fly with Frontier and Spirit Airlines from Denver to Phoenix by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Spirit Airlines
6.3
Okay
1,483 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Comfort

8.0

Entertainment

7.2

Crew

8.6

Food

7.2

Overall

8.1

Boarding

8.3

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Related info for your journey

Useful info, stats and facts about Denver to Sky Harbor Intl flights.

What airport do you fly from for flights from Denver to Phoenix Sky Harbor Intl?

Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Phoenix Sky Harbor Intl. 6 airlines have flights from Denver Intl to Phoenix Sky Harbor Intl on a regular basis. Booking flights from Denver Intl to Phoenix Sky Harbor Intl should not be difficult; the airport handles an average of 41 outbound flights to Phoenix Sky Harbor Intl per day.

Can I find flights from Denver to Phoenix Sky Harbor Intl Airport for under $100 on Cheapflights?

Yes, there are multiple flights from Denver to Phoenix Sky Harbor Intl Airport for under $100. The cheapest flight booked recently is on Frontier for just $38, but on average you can expect to pay $60.

Are there nonstop flights from Denver to Phoenix Sky Harbor Intl Airport for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to Phoenix Sky Harbor Intl Airport under $100. A good price for a nonstop flight from Denver to Phoenix Sky Harbor Intl Airport is less than $62.

Are there last-minute flights available from Denver to Phoenix Sky Harbor Intl Airport for under $100?

There are currently 20+ open flights from Denver to Phoenix Sky Harbor Intl Airport within the next 7 days for less than $100.

What days are nonstop flights available from Denver to Phoenix Sky Harbor Intl Airport?

Nonstop flights can be found on the following days: Sunday, Monday, Thursday, Friday, Saturday.

How many flights depart from Denver to Phoenix Sky Harbor Intl Airport on average per day?

On average, you can expect to see 51 flights from Denver to Phoenix Sky Harbor Intl Airport a day.
Early Morning (Midnight to 6am) - 12% of flight departures
Morning (6am - Noon) - 25% of flight departures
Afternoon (Noon - 6pm) - 29% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

How long is the flight from Denver to Phoenix Sky Harbor Intl Airport?

Airlines like Frontier and Spirit Airlines fly from Denver to Phoenix Sky Harbor Intl Airport in about 2h. The time it takes to get you to your destination can typically vary by up to 10h 59m. Airlines will cover a distance of 605 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Denver to Phoenix Sky Harbor Intl Airport round-trip?

Currently priced at $38, Frontier will fly you from Denver to Phoenix Sky Harbor Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Spirit Airlines for as low as $81. Users have found that Frontier is 81% cheaper than the other options available to this destination.

What are the most popular airlines that fly from Denver to Phoenix Sky Harbor Intl Airport?

What are the most reliable airlines from Denver to Phoenix Sky Harbor Intl Airport?

Consider Mesa Airlines (85%), Alaska Airlines (82%) or Air Canada (78%) when booking your flight. These represent the most reliable airlines when flying from Denver to Phoenix Sky Harbor Intl Airport.

What are the cheapest flights from Denver to Phoenix Sky Harbor Intl Airport?

While on average a flight from Denver to Phoenix Sky Harbor Intl Airport is generally $679, our data shows the cheapest flight currently is $31. When looking at the most popular route, (Denver Intl - Phoenix Sky Harbor Intl), you can expect to pay $48 for that flight.

What does DEN to PHX mean?

DEN and PHX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. DEN to PHX refers to a flight route from Denver Intl Airport to Phoenix Sky Harbor Intl Airport.

Top 5 airlines flying from Denver to Sky Harbor Intl

The chart below displays the airlines Cheapflights users traveling from Denver to Sky Harbor Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$164FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$66Average$149FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$79Average$270FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$90Average$268FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$167Average$197FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from Denver to Sky Harbor Intl

See what time of day planes typically take off from Denver to Sky Harbor Intl
10%of flight departuresEarly morningMidnight to 6 am
39%of flight departuresMorning6 am to noon
27%of flight departuresAfternoonNoon to 6 pm
24%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Denver to Sky Harbor Intl

See how many times per day planes take to the skies headed from Denver to Sky Harbor Intl
Sunday35daily flights
Monday46daily flights
Tuesday43daily flights
Wednesday40daily flights
Thursday44daily flights
Friday47daily flights
Saturday32daily flights

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How does Cheapflights help users find flights from Denver to Sky Harbor Intl?

Cheapflights helps you search for flights from Denver to Sky Harbor Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Denver to Sky Harbor Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Denver to Sky Harbor Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Denver to Sky Harbor Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Denver to Sky Harbor Intl, users can toggle the no change fees filter when performing a flight search.

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Of course! You can now track prices for flights from Denver to Sky Harbor Intl and get an alert from Cheapflights when they change. Have a valid email address ready and make a flight search when you’re ready to set up your price alert.

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