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SEE to ONO: distance & flight time
El Cajon (Gillespie Field) → Ontario (Ontario Municipal Airport)
773 mi
1,245 km · 672 nm
2h 9m
estimated nonstop flight time
+1h
time difference · heading north
See live SEE→ONO fares Phone-only fares on this route — call free
Flight time details
773 miles nonstop takes roughly 2h 9m gate to gate, flying north. 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
- SEE — Gillespie Field · El Cajon, 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 SEE
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 SEE from ONO?
The flight distance from El Cajon (SEE) to Ontario (ONO) is 773 miles (1,245 km, 672 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEE to ONO?
A nonstop flight takes about 2h 9m 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 El Cajon and Ontario?
Ontario is 1 hour ahead of El Cajon.
What is the cheapest way to fly from SEE to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEE–ONO that never appear on search engines, with no booking fees.