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PDX to ONT: distance & flight time
Portland (Portland International Airport) → Ontario (Ontario International Airport)
839 mi
1,351 km · 729 nm
2h 17m
estimated nonstop flight time
Same time
time difference · heading south
See live PDX→ONT fares Phone-only fares on this route — call free
Flight time details
839 miles nonstop takes roughly 2h 17m gate to gate, flying south. 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
- PDX — Portland International Airport · Portland, United States
- ONT — Ontario International Airport · Ontario, 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 PDX
- TTD · Portland Troutdale Airport10 mi away
- HIO · Portland Hillsboro Airport17 mi away
- KLS · Southwest Washington Regional Airport39 mi away
- SLE · Salem Municipal Airport/McNary Field51 mi away
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
Frequently asked questions
How far is PDX from ONT?
The flight distance from Portland (PDX) to Ontario (ONT) is 839 miles (1,351 km, 729 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PDX to ONT?
A nonstop flight takes about 2h 17m 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 PDX to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PDX–ONT that never appear on search engines, with no booking fees.