Direct (nonstop) flights from Boise to Ontario
1 airline flys nonstop from Boise Air Terminal (BOI) to Ontario International Airport (ONT). It's 660 miles (1,062 km), about 2h 7m in the air. Operated by Alaska Airlines.
Alaska Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Boise to Ontario with one stop · direct emits 122 kg CO₂ per passenger
Looking for the return flight?
ONT → BOI: Flights from Ontario to BoiseOther direct flights from Boise
Direct flights from Ontario (ONT)
Frequently Asked Questions
How long is the direct flight from Boise to Ontario?
A nonstop flight from Boise (BOI) to Ontario (ONT) takes approximately 2 hours and 7 minutes. The distance is 660 miles (1,062 km).
Which airlines fly nonstop from Boise to Ontario?
Just Alaska Airlines.
Is there a nonstop flight from Boise to Ontario?
Yes. 1 airline: Alaska Airlines.
How far is Boise from Ontario?
The flight distance from Boise to Ontario is 660 miles (1,062 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Boise to Ontario?
At 2h 7m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Boise to Ontario?
Roughly 122 kg CO2 per passenger one-way. That's about the same as driving 610 km.
Is the return flight from Ontario to Boise also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Boise to Ontario?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Boise Air Terminal for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.