Denver (DEN) to Phoenix (PHX) flights
4 airlines fly nonstop from Denver (DEN) to Phoenix (PHX): 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 DEN to PHX
- American Airlinesoneworld Β· bookable with 9 programsWho books it

- Frontier AirlinesNot in an allianceWho books it

- Southwest AirlinesNot in an allianceWho books it

- United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book DEN to PHX 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
DEN to PHX with one stop
46 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Durango (DRO)United Airlines, then American Airlines


- Via Cortez (CEZ)Key Lime Air the whole wayKGKG
- Via Telluride (TEX)Key Lime Air the whole wayKGKG
- Via Aspen (ASE)United Airlines, then American Airlines


- Via Colorado Springs (COS)Southwest Airlines the whole way



- Via Vail (EGE)United Airlines, then American Airlines


- Via Grand Junction (GJT)United Airlines, then American Airlines


- Via Moab (CNY)Contour Aviation the whole way
LFLF - Via Santa Fe (SAF)United Airlines, then American 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)United Airlines, then American Airlines


- Via Las Vegas (LAS)Frontier Airlines and Southwest Airlines the whole way






- Via Roswell (ROW)United Airlines, then American Airlines


DEN to PHX: common questions
Which airlines fly nonstop from DEN to PHX?
American Airlines (oneworld), Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Denver (DEN) to Phoenix (PHX).
How far is Denver from Phoenix by plane?
Denver (DEN) and Phoenix (PHX) 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 DEN to PHX 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 DEN to PHX cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for DEN to PHX with taxes and fees.
Where can I connect between Denver and Phoenix?
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.