What is the cheapest month to fly from Ontario to Phoenix?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Ontario (ONT) to Phoenix (PHX), with fares starting from $137.

What is the lowest current fare from ONT to PHX?

The lowest currently-listed fare from Ontario (ONT) to Phoenix (PHX) is $137 on 2026-06-10.

How long is the flight from Ontario to Phoenix?

Direct flights from ONT to PHX cover approximately 522 km (324 miles), with an estimated flight time of 37m. Operating airlines: AA, WN.

Cheap flights from Ontario to Phoenix

Cheapest current fares: $137 in June 2026, 522 km direct flight in ~37m.

Last updated May 24, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Ontario (ONT) to Phoenix (PHX). Refreshed daily.

Ontario (ONT) → Phoenix (PHX)

June 2026 $137
May 2026 $145
September 2026 $155

Frequently asked questions

What is the cheapest month to fly from Ontario to Phoenix?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Ontario (ONT) to Phoenix (PHX), with fares starting from $137.
What is the lowest current fare from ONT to PHX?

The lowest currently-listed fare from Ontario (ONT) to Phoenix (PHX) is $137 on 2026-06-10.
How long is the flight from Ontario to Phoenix?

Direct flights from ONT to PHX cover approximately 522 km (324 miles), with an estimated flight time of 37m. Operating airlines: AA, WN.

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