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HIO to ONO: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Ontario (Ontario Municipal Airport)
309 mi
498 km · 269 nm
1h 17m
estimated nonstop flight time
+1h
time difference · heading east
See live HIO→ONO fares Phone-only fares on this route — call free
Flight time details
309 miles nonstop takes roughly 1h 17m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, United States
- ONO — Ontario Municipal 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is HIO from ONO?
The flight distance from Hillsboro (HIO) to Ontario (ONO) is 309 miles (498 km, 269 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to ONO?
A nonstop flight takes about 1h 17m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from HIO to ONO?
Nonstop service on HIO–ONO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 17m nonstop estimate.
What is the time difference between Hillsboro and Ontario?
Ontario is 1 hour ahead of Hillsboro.
What is the cheapest way to fly from HIO to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–ONO that never appear on search engines, with no booking fees.
Why are some HIO to ONO fares phone-only?
Consolidator contracts let us sell certain HIO–ONO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.