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BOI to ONT: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Ontario (Ontario International Airport)
661 mi
1,064 km · 574 nm
1h 54m
estimated nonstop flight time
-1h
time difference · heading south
See live BOI→ONT fares Phone-only fares on this route — call free
Flight time details
661 miles nonstop takes roughly 1h 54m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- ONT — Ontario International 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Near ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Frequently asked questions
How far is BOI from ONT?
The flight distance from Boise (BOI) to Ontario (ONT) is 661 miles (1,064 km, 574 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to ONT?
A nonstop flight takes about 1h 54m 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 Boise and Ontario?
Ontario is 1 hour behind Boise.
What is the cheapest way to fly from BOI to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–ONT that never appear on search engines, with no booking fees.