Direct (nonstop) flights from Phoenix to Ontario
2 airlines fly nonstop from Phoenix Sky Harbor International (PHX) to Ontario International Airport (ONT). It's 325 miles (523 km), about 1h 15m in the air. Operated by American Airlines, Southwest Airlines.
American Airlines
Southwest Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
AA
American Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Phoenix to Ontario with one stop · direct emits 60 kg CO₂ per passenger
Looking for the return flight?
ONT → PHX: Flights from Ontario to PhoenixOther direct flights from Phoenix
Direct flights from Ontario (ONT)
Frequently Asked Questions
How long is the direct flight from Phoenix to Ontario?
A nonstop flight from Phoenix (PHX) to Ontario (ONT) takes approximately 1 hours and 15 minutes. The distance is 325 miles (523 km).
Which airlines fly nonstop from Phoenix to Ontario?
2 airlines: American Airlines, Southwest Airlines.
Is there a nonstop flight from Phoenix to Ontario?
Yes. 2 airlines: American Airlines, Southwest Airlines.
How far is Phoenix from Ontario?
The flight distance from Phoenix to Ontario is 325 miles (523 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Phoenix to Ontario?
At 1h 15m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Phoenix to Ontario?
Roughly 60 kg CO2 per passenger one-way. That's about the same as driving 300 km.
Is the return flight from Ontario to Phoenix 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 Phoenix 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 Phoenix Sky Harbor International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.