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ONT to PHX: distance & flight time
Ontario (Ontario International Airport) → Phoenix (Phoenix Sky Harbor International Airport)
324 mi
521 km · 281 nm
1h 19m
estimated nonstop flight time
Same time
time difference · heading east
See live ONT→PHX fares Phone-only fares on this route — call free
Flight time details
324 miles nonstop takes roughly 1h 19m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- PHX — Phoenix Sky Harbor International Airport · Phoenix, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near PHX
- SCF · Scottsdale Airport14 mi away
- MSC · Falcon Field16 mi away
- DVT · Phoenix Deer Valley Airport18 mi away
- GYR · Phoenix Goodyear Airport21 mi away
Frequently asked questions
How far is ONT from PHX?
The flight distance from Ontario (ONT) to Phoenix (PHX) is 324 miles (521 km, 281 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to PHX?
A nonstop flight takes about 1h 19m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from ONT to PHX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–PHX that never appear on search engines, with no booking fees.