Flight tickets from Phoenix to Ontario International

Compare Phoenix to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

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Flight deals from Phoenix to Ontario International Airport

Looking for a cheap last-minute deal or the best return flight from Phoenix to Ontario International Airport? If you want to travel next month, return fares start from ₹ 13,142. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Phoenix to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Ontario International flights are currently cheapest in April.

Direct flights from Phoenix to Ontario International

Phoenix to Ontario: Flight information

The things to know before you go.
Cheapest flight found₹ 6,569
Cheapest month to flyApril
Average flight time1 hr, 17 mins
Most popular airlineAmerican Airlines
Average flights per week97

Finding cheap flights from Phoenix to Ontario International: Frequently asked questions

The best price we found for a return flight from Phoenix to Ontario International is ₹ 13,142. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 17 minutes is the average flight time from Phoenix to Ontario International.
American Airlines, Southwest Airlines and British Airways fly direct from Phoenix to Ontario International.
As of March 2026, there are 97 flights per week flying from Phoenix to Ontario International.
The cheapest month to fly from Phoenix to Ontario International is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Ontario International Airport on Saturday, 18 April 2026.
Yes – the average flight time is 1 hour and 17 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Phoenix to Ontario International Airport (ONT): What you need to know

  • Your next great adventure starts at one of Phoenix's main airports, Phoenix Sky Harbour International Airport (PHX) or Phoenix-Mesa Gateway Airport (AZA). Explore the options for booking a flight from Phoenix to Ontario International Airport (ONT) taking off from either of these bases.

  • Ontario's timezone is UTC-7, which is the same as Phoenix. Ontario International Airport is located in Ontario.

  • Give yourself enough time to catch your flight from Phoenix to ONT. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're taking off during a bank holiday or other peak period, give yourself extra time. Arrive two hours ahead of domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

Airports in Phoenix

Phoenix Scottsdale Municipal Airport (SCF)

  • SCF is about 32 kilometres from central Phoenix. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 35 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 1 hour 55 minutes.

  • Catching an early flight from Phoenix to Ontario International Airport? Avoid rushing to the terminal (and get some bonus sleep) by picking one of these hotels close to Phoenix Scottsdale Municipal Airport:

Phoenix Sky Harbour International Airport (PHX)

  • You can book a direct Phoenix to Ontario International Airport (ONT) flight ticket with departures from Phoenix Sky Harbour International Airport (PHX). Figure out if flying from PHX works better for your plans.

  • American Airlines has direct flights from Phoenix to ONT departing from PHX. Book your favourite window seat and reach your destination in one go.

  • American Airlines ranks number one in bookings on the PHX to ONT route.

  • Among the carriers operating flights between Phoenix Sky Harbour International Airport and Ontario International Airport, American Airlines has the best on-time performance.

  • You can reach PHX from central Phoenix in about 10 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 35 minutes to cover the 8 kilometres or so.

  • Catching an early morning flight? Think about checking in to one of these accommodation options near Phoenix Sky Harbour International Airport the day before your Phoenix to ONT flight:

  • Phoenix Sky Harbour International Airport has a reputation for reliability and timeliness. 82.57% of flights taking off from here arrive right when they're supposed to.

  • PHX is located at 3400 Sky Harbour Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • On your way to AZA from the centre of Phoenix? The airport is located around 56 kilometres away, and getting there takes roughly 40 minutes by car.

  • Sleep a little longer, move a little slower, and still make your Phoenix to Ontario International Airport flight with plenty of time to spare. These hotels near Phoenix-Mesa Gateway Airport make departure day a breeze if you're setting off early:

  • Airports have an on-time performance rating that measures how often flights get to their destinations without delays. At AZA, that rate is 78.65%.

  • You'll find Phoenix-Mesa Gateway Airport at 6033 S. Sossaman Rd..

About Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • Ontario International Airport to central Ontario is about 5 kilometres. If you're taking a cab or renting a car, plan in advance to make your trip as easy as possible. Journey times may vary based on traffic conditions and the time of day.

  • Travelling by public transport takes around 1 hour 30 minutes.

How to find the cheapest flights from Phoenix to Ontario International Airport (ONT)

  • Currently, ₹ 6,569 is the lowest price we've found for a one-way ticket from Phoenix to Ontario International Airport. The cheapest price for a return flight is ₹ 13,142. Keep in mind fares may change due to availability at the time of booking.

  • Booking in advance is often the key to finding a cheap flight from Phoenix to ONT. Fares tend to rise as seats fill up, so the closer you get to departure, the more you'll likely spend on your ticket.

  • If you're flexible with your travel plans, try using the 'Whole month' tool. It'll show you the cheapest price across the month when searching for your Phoenix to Ontario International Airport ticket.

  • Locking in a cheap flight ticket from Phoenix to ONT is easy with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as a lower fare pops up.

  • Filters make it easier to land a deal on your flight from Phoenix to Ontario International Airport. Choose the airlines, flight times and stops that make sense for you. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Phoenix to Ontario International Airport (ONT)

  • May is the quietest month for flights from Phoenix to Ontario International Airport (ONT), while August is the most popular. Pick the ideal time to visit Ontario based on whether you want a laid-back vibe or a lively atmosphere.

  • Book a Phoenix to ONT flight ticket departing in August if you want to explore the city during its warmest month. Expect temperatures in Ontario to range from 15ºC to 35ºC.

  • Look for cheap tickets from Phoenix to Ontario International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 4ºC and 23ºC.

More about Ontario

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Ontario right here. Check out these hotels after you've booked your flight from Phoenix to Ontario International Airport:

  • Conservation Park and Citizens Business Bank Arena are just the start of the top-rated attractions to add to your Ontario itinerary. Continue your sightseeing adventures at Scandia.

Explore more of the United States

  • San Diego is just one of the many cities in the United States waiting to be explored once you've seen the sights of Ontario. Around 153 kilometres away to the south, check out popular attractions including San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

  • Around 193 kilometres north-west of Ontario, Bakersfield is another essential stop in the United States. Get a taste of what this destination has to offer at Kern County Museum, Dr. Martin Luther King, Jr. Park and BAPS Shri Swaminarayan Mandir.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.