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PSM to ONO: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Ontario (Ontario Municipal Airport)
2,283 mi
3,675 km · 1,984 nm
4h 57m
estimated nonstop flight time
-2h
time difference · heading west
See live PSM→ONO fares Phone-only fares on this route — call free
Flight time details
2,283 miles nonstop takes roughly 4h 57m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 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 PSM from ONO?
The flight distance from Portsmouth (PSM) to Ontario (ONO) is 2,283 miles (3,675 km, 1,984 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to ONO?
A nonstop flight takes about 4h 57m 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 time difference between Portsmouth and Ontario?
Ontario is 2 hours behind Portsmouth.
What is the cheapest way to fly from PSM to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–ONO that never appear on search engines, with no booking fees.