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PRM to ONO: distance & flight time
Portimao (Portimão Airport) → Ontario (Ontario Municipal Airport)
5,265 mi
8,474 km · 4,575 nm
10h 47m
estimated nonstop flight time
-7h
time difference · heading northwest
See live PRM→ONO fares Phone-only fares on this route — call free
Flight time details
5,265 miles nonstop takes roughly 10h 47m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- PRM — Portimão Airport · Portimao, Portugal
- 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 PRM
- FAO · Faro Airport35 mi away
- BYJ · Beja Airport / Airbase73 mi away
- CAT · Cascais Airport117 mi away
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)117 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 PRM from ONO?
The flight distance from Portimao (PRM) to Ontario (ONO) is 5,265 miles (8,474 km, 4,575 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRM to ONO?
A nonstop flight takes about 10h 47m 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 Portimao and Ontario?
Ontario is 7 hours behind Portimao.
What is the cheapest way to fly from PRM to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRM–ONO that never appear on search engines, with no booking fees.