Phoenix (PHX) to Denver (DEN) flights
4 airlines fly nonstop from Phoenix (PHX) to Denver (DEN): American Airlines, Frontier Airlines, Southwest Airlines and United Airlines. The two airports are 601 miles (967 km) apart. American Airlines is in oneworld and United Airlines is in Star Alliance. There are also 46 ways to fly it with one stop, through Durango, Cortez and Telluride and more.
Airlines flying nonstop from PHX to DEN
- American Airlinesoneworld · bookable with 9 programsWho books it
- Frontier AirlinesNot in an allianceWho books it
- Southwest AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book PHX to DEN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- Alaska Atmos RewardsBooks American Airlines
- American AAdvantageBooks American Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Finnair PlusBooks American Airlines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
PHX to DEN with one stop
46 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Durango (DRO)American Airlines, then United Airlines
- Via Cortez (CEZ)Key Lime Air the whole wayKGKG
- Via Telluride (TEX)Key Lime Air the whole wayKGKG
- Via Aspen (ASE)American Airlines, then United Airlines
- Via Colorado Springs (COS)Southwest Airlines the whole way
- Via Vail (EGE)American Airlines, then United Airlines
- Via Grand Junction (GJT)American Airlines, then United Airlines
- Via Moab (CNY)Contour Aviation the whole wayLFLF
- Via Santa Fe (SAF)American Airlines, then United Airlines
- Via Albuquerque (ABQ)Southwest Airlines the whole way
- Via Tucson (TUS)Southwest Airlines the whole way
- Via Vernal (VEL)Contour Aviation the whole wayLFLF
- Via Saint George (SGU)American Airlines, then United Airlines
- Via Las Vegas (LAS)Southwest Airlines and Frontier Airlines the whole way
- Via Roswell (ROW)American Airlines, then United Airlines
PHX to DEN: common questions
Which airlines fly nonstop from PHX to DEN?
American Airlines (oneworld), Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Phoenix (PHX) to Denver (DEN).
How far is Phoenix from Denver by plane?
Phoenix (PHX) and Denver (DEN) are 601 miles (967 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book PHX to DEN award flights?
22 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does PHX to DEN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for PHX to DEN with taxes and fees.
Where can I connect between Phoenix and Denver?
The most direct connections are through Durango (DRO), Cortez (CEZ), Telluride (TEX), Aspen (ASE) and Colorado Springs (COS). On 25 of them the same airline flies both flights, for example Key Lime Air through Cortez.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.