PHX - DEN

£66 Find Cheap Flights from Phoenix to Denver – Compare and Save

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Everything you should know

Cheapest return flight
£89
Typical prices: £89-£188
Frontier
Wed 24/10Wed 31/10
PHX - DEN • 1 stop
Cheapest direct flights
£131
Typical prices: £89-£188
Southwest
Fri 5/10Fri 12/10
PHX - DEN • Direct
Direct flights
You can fly direct with Southwest, United Airlines, and others. Average duration is 1h 52m.
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 89% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 7 weeks in advance save around 44% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £174 (return)
Shortest trip • 5h 51m (one-way)
Insights
Insights
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We hope you enjoy your trip to Denver!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Phoenix to Denver (PHX-DEN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Phoenix to Denver

Sat, 24 Oct - Sat, 31 Oct
Frontier Logo
13:12 - 20:24PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
6h 12m1 stop San Diego
Frontier Logo
07:00 - 08:04DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
2h 04mdirect
£89Frontier
Sat, 24 Oct - Sat, 31 Oct
Frontier Logo
13:12 - 20:24PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
6h 12m1 stop San Diego
Frontier Logo
07:28 - 12:30DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
6h 02m1 stop Las Vegas Harry Reid Intl
£115Frontier
Mon, 26 Oct - Wed, 28 Oct
Alaska Airlines Logo
10:12 - 18:01PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
6h 49m1 stop San Diego
Alaska Airlines Logo
12:31 - 18:42DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
7h 11m1 stop San Diego
£131Alaska Airlines
Tue, 6 Oct - Tue, 13 Oct
Southwest Logo
08:25 - 13:15PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
3h 50m1 stop Salt Lake City
Southwest Logo
19:50 - 20:50DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
2h 00mdirect
£135Southwest
Mon, 5 Oct - Thu, 8 Oct
Southwest Logo
15:10 - 19:45PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
3h 35m1 stop Salt Lake City
Southwest Logo
05:55 - 06:50DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
1h 55mdirect
£138Southwest
Sat, 14 Nov - Mon, 16 Nov
Southwest Logo
09:30 - 14:30PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
5h 00m1 stop Ontario
Southwest Logo
08:50 - 12:10DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
3h 20m1 stop Colorado Springs
£142Southwest
Fri, 30 Oct - Sat, 31 Oct
Alaska Airlines Logo
15:42 - 23:59PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
7h 17m1 stop San Diego
Alaska Airlines Logo
09:45 - 15:00DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
6h 15m1 stop San Diego
£143Alaska Airlines
Tue, 27 Oct - Sat, 31 Oct
Delta Logo
17:29 - 22:40PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
4h 11m1 stop Salt Lake City
Delta Logo
18:00 - 22:43DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
5h 43m1 stop Salt Lake City
£145Delta
Sat, 24 Oct - Sat, 31 Oct
Southwest Logo
08:00 - 12:20PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
3h 20m1 stop Tucson
Southwest Logo
05:45 - 10:40DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
5h 55m2 stops Las Vegas Harry Reid Intl Tucson
£146Southwest
Fri, 8 Jan - Tue, 12 Jan
Southwest Logo
11:30 - 13:20PHX  Phoenix Sky Harbor Intl-DEN Denver Intl
1h 50mdirect
Southwest Logo
15:10 - 18:25DEN  Denver Intl-PHX Phoenix Sky Harbor Intl
3h 15m1 stop Colorado Springs
£148Southwest
Booking Insights

Price, demand, and travel trends for Phoenix Sky Harbor Intl Airport to Denver flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Phoenix Sky Harbor Intl Airport to Denver with more confidence.

How much is a return flight from Phoenix Sky Harbor Intl Airport to Denver?

Return flights from Phoenix Sky Harbor Intl Airport to Denver start at £89. Prices are typical for this route right now, with typical return fares ranging from £89 to £188. The lowest price found in the past 5 days was £89 on Frontier.

What's the cheapest day of the week to fly from Phoenix Sky Harbor Intl Airport to Denver?

Tuesday is the cheapest day of the week to fly from Phoenix Sky Harbor Intl Airport to Denver and is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Denver at £93 return.
  • July (£176) and June (£171) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 88% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Phoenix Sky Harbor Intl Airport to Denver the cheapest?

Flights from Phoenix Sky Harbor Intl Airport to Denver are cheapest 7 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Phoenix to Denver

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has travelled to more than 50 countries across six continents.

Key details for Phoenix Sky Harbor Intl Airport to Denver flights

Low season

February

Cheapest flight

£66
Best time to beat the crowds (29% less expensive on average)
Most popular time to fly (9% more expensive on average)
Flights from Phoenix Sky Harbor Intl Airport to Denver

When to book flights from Phoenix to Denver

Are your dates flexible? Find out the best times to travel from Phoenix to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Phoenix Sky Harbor Intl Airport to Denver flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What’s the best way to travel from Denver International Airport?

    A taxi or rideshare will get you to the city in about 30min. There’s also a shuttle service to and from the airport, and more than 10 rental car companies serve travelers in Colorado, even those moving out of Denver.

  • Are there nonstop flights from Phoenix Sky Harbor International Airport to Denver?

    Several airlines fly from Phoenix Sky Harbor International Airport to Denver nonstop. You can use Southwest Airlines, United Airlines, and Air Canada. These have the most frequent flights between Phoenix and Denver, offering the fastest way to travel between the two cities.

  • Does Denver International Airport offer services for families?

    The Denver International Airport offers services convenient for traveling families, including pet relief areas, children’s play areas, private nursing rooms, family restrooms in each concourse, and medical services, such as defibrillators for cardiac emergencies, which you can find in each concourse and the Jeppesen Terminal.

  • Are there on-site lounges at the Phoenix Sky Harbor Airport?

    There are several lounges you can use while at the Phoenix Sky Harbor Airport. These include the Escape Lounge on Terminal 4, which offers showers, WiFi, snacks, premium foods, drinks, flight monitors, and more. You can also visit the Centurion Lounge, which offers TV, snacks, printers and copiers, WiFi, and other services.

  • Does Phoenix Sky Harbor Airport have a museum?

    Yes, passengers can explore the Phoenix Airport Museum, which hosts exhibitions, an art collection, and aviation history. The museum is open 24 hours daily, and you can view art collections that date as far back as the 1960s.

  • Which airlines offer extra legroom and free seat selection on Phoenix Sky Harbor Intl Airport to Denver flights?

    Among airlines operating Phoenix Sky Harbor Intl Airport to Denver flights:

    • Frontier: offers free seat selection
    • Southwest: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Phoenix Sky Harbor Intl Airport to Denver?

    4 airlines operate flights between Phoenix Sky Harbor Intl Airport and Denver. The airlines offering direct flights on this route include:

    • Southwest
    • United Airlines
    • Frontier
    • American Airlines

  • Which airports can I use when flying from Phoenix Sky Harbor Intl Airport to Denver?

    Flights from Phoenix Sky Harbor Intl Airport to Denver usually depart from Phoenix Sky Harbor Intl (PHX) and arrive at Denver Intl (DEN).

  • Which airlines include bags at no extra cost on Phoenix Sky Harbor Intl Airport to Denver flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a cabin bag and a checked bag in Economy class
    • Southwest: a cabin bag and a checked bag in Economy class
    • United Airlines: a cabin bag and a checked bag in Economy class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Phoenix Sky Harbor Intl Airport to Denver?

    Only Economy class is available on flights from Phoenix Sky Harbor Intl Airport to Denver.

  • How much can I save by having a stopover when flying from Phoenix Sky Harbor Intl Airport to Denver?

    On this route, direct flights are cheaper than stopover options on average. Direct fares average £131 return, compared with £174 via a stopover through San Diego (SAN).

  • What is the standard checked bag allowance on flights from Phoenix Sky Harbor Intl Airport to Denver?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £28–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Phoenix Sky Harbor Intl Airport to Denver?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Airbus A320neo variants.

  • Which airports do connecting flights from Phoenix Sky Harbor Intl Airport to Denver pass through?

    One-stop flights from Phoenix Sky Harbor Intl Airport to Denver most commonly connect through:

    • San Diego (SAN) – 35% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) – 25% of one-stop connections
    • Los Angeles Los Angeles (LAX) – 20% of one-stop connections
    • Salt Lake City (SLC) – 20% of one-stop connections

    San Diego (SAN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Phoenix Sky Harbor Intl Airport to Denver?

    Yes. Being flexible with your travel dates can save you up to 28% on the Phoenix Sky Harbor Intl Airport to Denver route. Tuesday is the cheapest departure day at £122 return on average, while Sunday is the most expensive at £168, a difference of £46. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Phoenix Sky Harbor Intl Airport to Denver?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Phoenix Sky Harbor Intl Airport to Denver route, 16% of flights were delayed in the past 3 months, with delays averaging 2 hours 10 minutes.

  • How are flight departures from Phoenix Sky Harbor Intl Airport to Denver spread across the day?

    Morning is the busiest departure period on Phoenix Sky Harbor Intl Airport to Denver flights, with 43% leaving in that window. Afternoon departures account for 35%, Evening flights for 19%, and Night flights for 3%.

  • What popular places can I visit in Denver?

    Some of the most popular sights in Denver are Union Station Denver, Colorado Convention Center, and Coors Field. These are among the most viewed places in Denver on KAYAK.

  • What are the earliest and latest flights from Phoenix Sky Harbor Intl Airport to Denver?

    These are the earliest and latest flight times available from Phoenix Sky Harbor Intl Airport to Denver:

    • Earliest: departs at 05:10 and lands at 07:02
    • Latest: departs at 22:55 and lands at 00:47.

    The flight takes about 1h 52m.

  • How expensive are last-minute Phoenix Sky Harbor Intl Airport to Denver flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 31% above the route average of £131. Book 7 weeks before departure for the lowest fares.

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

    A direct flight from Phoenix Sky Harbor Intl Airport to Denver takes 1h 52m, covering 601 miles.

  • Do I need a passport to fly from Phoenix Sky Harbor Intl Airport to Denver?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Phoenix Sky Harbor Intl Airport to Denver looking right now?

    One-way fares from Phoenix Sky Harbor Intl Airport to Denver are currently lower than usual. Average one-way flight prices are about £88, which is 19% below the typical average for this route.

  • How does United Airlines's on-time performance compare to other airlines on Phoenix Sky Harbor Intl Airport to Denver flights?

    United Airlines is slightly above the route average for timely arrivals, while Frontier has a lower on-time arrival rate. On-time arrival rates on Phoenix Sky Harbor Intl Airport to Denver flights are:

    • United Airlines: 89% on time
    • Frontier: 88% on time
    • American Airlines: 84% on time

    On average, flights on this route are punctual 84% of the time.

  • How do delay rates compare for morning and evening flights from Phoenix Sky Harbor Intl Airport to Denver?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different stopover airport from Phoenix Sky Harbor Intl Airport to Denver?

    Flying via San Diego (SAN) gives the shortest average 1-stop total travel time of 5h 51m, compared to 5h 51m via Salt Lake City (SLC) and 5h 58m via Las Vegas Harry Reid Intl (LAS).

  • What is the time difference between Phoenix Sky Harbor Intl Airport and Denver?

    Denver is 1 hour ahead of Phoenix Sky Harbor Intl Airport (Mountain Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Denver Intl Airport (DEN)?

    Denver Intl Airport (DEN) hosts 5 major car hire companies, with daily rates starting from around £12 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · Ace
    · NU Car
    · Europcar
    · Hertz

  • How much should I expect to pay for a Phoenix Sky Harbor Intl Airport to Denver flight?

    Return flights from Phoenix Sky Harbor Intl Airport to Denver range from £89 to £188, with an average of £131 over the past 12 months. Anything below £89 counts as a good deal.

  • Which airlines offer Wi-Fi on Phoenix Sky Harbor Intl Airport to Denver flights?

    Two airlines offer in-flight Wi-Fi on Phoenix Sky Harbor Intl Airport to Denver flights:

    • • American Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty programme, while others are paid add-ons priced by flight length.

Your guide to booking Phoenix Sky Harbor Intl Airport to Denver flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average £122 – about £46 less than Sunday (27% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Phoenix Sky Harbor Intl Airport to Denver trip for February. Fares historically average £93 return in that month – typically £83 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 89% of United Airlines flights from Phoenix Sky Harbor Intl Airport to Denver arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 84%. When flights on this route do arrive late, the average delay is 2 hours10 minutes, so choosing an airline with strong on-time performance can make a difference on tight schedules.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Denver Intl Airport.
    - The Westin Denver International Airport
  • There are two major airports that serve Phoenix, Arizona: the Phoenix Sky Harbor International Airport (PHX) and the Phoenix-Mesa Gateway Airport (AZA).
  • If you’re flying from central Phoenix, the Phoenix Sky Harbor International Airport offers the closest option at just 5.8 miles away. The Phoenix Sky Harbor is the primary airport, served by major airlines with international and domestic flights.
  • Both airports offer public transport and car rental services to help you access the city and other nearby destinations such as Glendale, Tempe, Mesa, and Scottsdale.
  • For your arrival in Denver, Colorado, you can use the Denver International Airport (DEN), which serves the Front Range Urban Corridor and the city of Denver.
  • If you’re traveling to points like Fort Collins, the scheduled bus service offers a convenient means of transport to nearby towns or cities.
  • People traveling to Downtown Denver for business or work can use the A-Line, a rail transit corridor that connects between the Denver International Airport and Downtown Denver. It also serves adjacent neighborhoods, employment centers, and development areas in Aurora and Denver.
  • The Phoenix Sky Harbor International Airport has a deal with Uber, so you can order the service on the company’s smartphone app if you want to travel to or from the airport.
  • To avoid delays at security checkpoints, arrive at the Phoenix Sky Harbor International Airport about 2 hours before the flight to familiarize yourself with the airport's operations.

Prefer to fly direct from Phoenix to Denver?

 
Find which airlines fly direct from Phoenix Sky Harbor Intl Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Phoenix Sky Harbor Intl to Denver Intl

Monday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

See more direct flights

Direct returns

Denver Intl to Phoenix Sky Harbor Intl

Monday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Thursday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

See more direct flights

More options for your flight from Phoenix to Denver

Complete your trip to Denver with a hotel stay or car hire