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HIO to ONT: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Ontario (Ontario International Airport)
842 mi
1,355 km · 732 nm
2h 18m
estimated nonstop flight time
Same time
time difference · heading south
See live HIO→ONT fares Phone-only fares on this route — call free
Flight time details
842 miles nonstop takes roughly 2h 18m 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
- HIO — Portland Hillsboro Airport · Hillsboro, 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 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 HIO from ONT?
The flight distance from Hillsboro (HIO) to Ontario (ONT) is 842 miles (1,355 km, 732 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to ONT?
A nonstop flight takes about 2h 18m 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 HIO to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–ONT that never appear on search engines, with no booking fees.