Need help booking?
Unpublished phone-only deals available
ONT to BOI: distance & flight time
Ontario (Ontario International Airport) → Boise (Boise Air Terminal/Gowen Field)
661 mi
1,064 km · 574 nm
1h 54m
estimated nonstop flight time
+1h
time difference · heading north
See live ONT→BOI fares Phone-only fares on this route — call free
Flight time details
661 miles nonstop takes roughly 1h 54m 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
- ONT — Ontario International Airport · Ontario, United States
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
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
Frequently asked questions
How far is ONT from BOI?
The flight distance from Ontario (ONT) to Boise (BOI) is 661 miles (1,064 km, 574 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to BOI?
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 Ontario and Boise?
Boise is 1 hour ahead of Ontario.
What is the cheapest way to fly from ONT to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–BOI that never appear on search engines, with no booking fees.