Cheap flights from Phoenix to Denver

Flights overview

Useful information for finding cheap flights from Phoenix to Denver and booking your next trip
Cheapest round-trip flights $88
Frontier Nonstop 2 hr Thu, Jun 11 — Mon, Jun 15
The cheapest round-trip flight from Phoenix to Denver is currently $88
Cheapest one-way flight $40
Frontier Nonstop 2 hr Tue, Jun 16
The cheapest one-way flight from Phoenix to Denver is currently $40
Last-minute weekend getaway $137
Frontier Nonstop 2 hr Sat, May 2 — Sun, May 3
The cheapest last-minute weekend getaway from Phoenix to Denver is currently $137
Cheapest business class flights $316
Frontier Nonstop 2 hr Thu, Jun 11 — Mon, Jun 15
The cheapest business class round-trip flight from Phoenix to Denver is currently $316
Fastest flight 1 hr 45 min The fastest nonstop flight from Phoenix to Denver takes 1 hr 45 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Phoenix to Denver is typically January. The most expensive month to fly is typically July.
January
Cheapest
Typical prices: $55–180
July
Most expensive
Typical prices: $115–220

Popular airlines from Phoenix to Denver

  • Southwest
    Nonstop
    from $253
    Typical price: $170–330
    84 weekly nonstop flights
    PHX - DEN Every day
    922 weekly connecting flights
    PHX - DEN Every day
  • United
    Nonstop
    from $253
    Typical price: $165–340
    48 weekly nonstop flights
    PHX - DEN Every day
    147 weekly connecting flights
    PHX - DEN Every day
  • Frontier
    Nonstop
    from $88
    Typical price: $80–180
    30 weekly nonstop flights
    PHX - DEN Every day
    39 weekly connecting flights
    PHX - DEN Every day
  • American
    Nonstop
    from $253
    Typical price: $165–340
    25 weekly nonstop flights
    PHX - DEN Every day
    166 weekly connecting flights
    PHX - DEN Every day
  • Delta
    from $273
    Typical price: $205–465
    64 weekly connecting flights
    PHX - DEN Every day
  • Alaska
    from $231
    Typical price: $215–580
    26 weekly connecting flights
    PHX - DEN Every day

Popular airports near Phoenix

  • Phoenix Sky Harbor International Airport (PHX)
    Phoenix United States 12 min 3 mi
  • Mesa Gateway Airport (AZA)
    Phoenix United States 25 mi
  • Tucson International Airport (TUS)
    Tucson United States 1 hr 54 min 112 mi
  • Scottsdale Airport (SCF)
    Phoenix United States 31 min 15 mi

Popular airports near Denver

  • Denver International Airport (DEN)
    Denver United States 38 min 19 mi
  • Colorado Springs Airport (COS)
    Colorado Springs United States 1 hr 27 min 66 mi
  • Centennial Airport (APA)
    Denver United States 27 min 14 mi
  • Eagle County Regional Airport (EGE)
    Vail United States 2 hr 19 min 103 mi

Frequently asked questions about flying from Phoenix to Denver

The cheapest flights from Phoenix to Denver are usually in January. Typical ticket prices in January range from $55 to $180.
The cheapest round-trip flight from Phoenix to Denver recently found on Google Flights was with Frontier from $88. The cheapest one-way flight was with Frontier from $40.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Phoenix to Denver is $253, flying from May 30 to Jun 1.
  • The cheapest United flight from Phoenix to Denver is $253, flying from May 30 to Jun 1.
  • The cheapest Frontier flight from Phoenix to Denver is $88, flying from Jun 11 to Jun 15.
  • The cheapest American flight from Phoenix to Denver is $253, flying from May 30 to Jun 1.
  • The cheapest Delta flight from Phoenix to Denver is $273, flying from Jun 6 to Jun 8.
  • The cheapest Alaska flight from Phoenix to Denver is $231, flying from Jul 25 to Jul 27.
The cheapest round-trip flight from Phoenix to Denver starts at $88 from Thu, Jun 11 to Mon, Jun 15. The cheapest one-way flight starts at $40 and departs on Tue, Jun 16.
1 hr 45 min is the shortest flight time from Phoenix to Denver.
Denver’s mild summer months (Jun–Aug) are a popular time for visitors exploring the city and nearby national parks. The ski season runs through winter (Nov–Mar). Major events include the National Western Stock Show & Rodeo (Jan) and A Taste of Colorado (Sep) food and arts festival.
It's easy to use Google Flights to find the cheapest days to fly from Phoenix to Denver.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Phoenix to Denver really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Phoenix to Denver.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 84 nonstop flights and 922 connecting flights per week. Southwest flies from Phoenix Sky Harbor International Airport (PHX) to Denver International Airport (DEN) .

Other popular airlines flying from Phoenix to Denver are:
  • United offers 48 nonstop flights and 147 connecting flights per week. United flies from Phoenix Sky Harbor International Airport (PHX) to Denver International Airport (DEN) .
  • Frontier offers 30 nonstop flights and 39 connecting flights per week. Frontier flies from Phoenix Sky Harbor International Airport (PHX) to Denver International Airport (DEN) .
  • American offers 25 nonstop flights and 166 connecting flights per week. American flies from Phoenix Sky Harbor International Airport (PHX) to Denver International Airport (DEN) .
  • Delta offers 64 connecting flights per week. Delta flies from Phoenix Sky Harbor International Airport (PHX) to Denver International Airport (DEN) .
  • Alaska offers 26 connecting flights per week. Alaska flies from Phoenix Sky Harbor International Airport (PHX) to Denver International Airport (DEN) .
The number of connecting flights refers to distinct flights with at least one stop between Phoenix and Denver.
The cheapest round-trip flight from Phoenix to Denver recently found on Google Flights was with Frontier from $88. The cheapest one-way flight was with Frontier from $40.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Phoenix to Denver is $253, flying from May 30 to Jun 1.
  • The cheapest United flight from Phoenix to Denver is $253, flying from May 30 to Jun 1.
  • The cheapest Frontier flight from Phoenix to Denver is $88, flying from Jun 11 to Jun 15.
  • The cheapest American flight from Phoenix to Denver is $253, flying from May 30 to Jun 1.
  • The cheapest Delta flight from Phoenix to Denver is $273, flying from Jun 6 to Jun 8.
  • The cheapest Alaska flight from Phoenix to Denver is $231, flying from Jul 25 to Jul 27.
Southwest, United, American and Frontier fly direct from Phoenix to Denver.
  • There are 84 Southwest direct flights from Phoenix to Denver per week. Flights are available every day.
  • There are 48 United direct flights from Phoenix to Denver per week. Flights are available every day.
  • There are 30 Frontier direct flights from Phoenix to Denver per week. Flights are available every day.
  • There are 25 American direct flights from Phoenix to Denver per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Phoenix and Denver at price $137 is offered by Frontier from Sat, May 2 to Sun, May 3.
Southwest, United, American and Frontier fly direct from Phoenix to Denver.
  • There are 84 Southwest direct flights from Phoenix to Denver per week. Flights are available every day.
  • There are 48 United direct flights from Phoenix to Denver per week. Flights are available every day.
  • There are 30 Frontier direct flights from Phoenix to Denver per week. Flights are available every day.
  • There are 25 American direct flights from Phoenix to Denver per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Phoenix to Denver on a daily basis.
The cheapest direct (nonstop) round-trip flights between Phoenix and Denver start at $88 from Thu, Jun 11 to Mon, Jun 15 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Phoenix to Denver, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Phoenix and Denver start at $316 from Thu, Jun 11 to Mon, Jun 15 with Frontier.
The cheapest economy class round-trip flights between Phoenix and Denver start at $88 from Thu, Jun 11 to Mon, Jun 15.
To book business class trips from Phoenix to Denver, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Phoenix and Denver starts at $137 from Sat, May 2 to Sun, May 3 with Frontier.
The cheapest last-minute deal between Phoenix and Denver at price $137 is offered by Frontier from Sat, May 2 to Sun, May 3.
To find last-minute flight deals from Phoenix to Denver, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

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