Need help booking?
Unpublished phone-only deals available
PMH to ONO: distance & flight time
Portsmouth (Greater Portsmouth Regional Airport) → Ontario (Ontario Municipal Airport)
1,792 mi
2,884 km · 1,557 nm
3h 59m
estimated nonstop flight time
—
time difference · heading northwest
See live PMH→ONO fares Phone-only fares on this route — call free
Flight time details
1,792 miles nonstop takes roughly 3h 59m gate to gate, flying northwest. 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
- PMH — Greater Portsmouth Regional Airport · Portsmouth, 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 PMH
- HTS · Tri-State/Milton J. Ferguson Field36 mi away
- ATO · Ohio University Snyder Field42 mi away
- ILN · Wilmington Airpark65 mi away
- LCK · Rickenbacker International Airport67 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 PMH from ONO?
The flight distance from Portsmouth (PMH) to Ontario (ONO) is 1,792 miles (2,884 km, 1,557 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PMH to ONO?
A nonstop flight takes about 3h 59m 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 PMH to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PMH–ONO that never appear on search engines, with no booking fees.