Cheap flights from Ontario to Phoenix

Flights overview

Useful information for finding cheap flights from Ontario to Phoenix and booking your next trip
Cheapest round-trip flights $177
American Nonstop 2 hr Thu, May 28 — Mon, Jun 1
The cheapest round-trip flight from Ontario to Phoenix is currently $177
Cheapest one-way flight $69
American Nonstop 2 hr Wed, May 27
The cheapest one-way flight from Ontario to Phoenix is currently $69
Last-minute weekend getaway $238
Frontier 1 stop 8 hr Sat, May 9 — Sun, May 10
The cheapest last-minute weekend getaway from Ontario to Phoenix is currently $238
Cheapest business class flights $361
American Nonstop 2 hr Thu, May 28 — Mon, Jun 1
The cheapest business class round-trip flight from Ontario to Phoenix is currently $361
Fastest flight 1 hr 15 min The fastest nonstop flight from Ontario to Phoenix takes 1 hr 15 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Ontario to Phoenix is typically August. The most expensive month to fly is typically March.
August
Cheapest
Typical prices: $110–250
March
Most expensive
Typical prices: $190–320

Popular airlines from Ontario to Phoenix

  • Southwest
    Nonstop
    from $177
    Typical price: $180–415
    32 weekly nonstop flights
    ONT - PHX Every day
    1450 weekly connecting flights
    ONT - PHX Every day
  • American
    Nonstop
    from $177
    Typical price: $195–435
    28 weekly nonstop flights
    ONT - PHX Every day
    192 weekly connecting flights
    ONT - PHX Every day
  • United
    from $217
    Typical price: $270–550
    138 weekly connecting flights
    ONT - PHX Every day
  • Alaska
    from $513
    Typical price: $390–780
    107 weekly connecting flights
    ONT - PHX Every day
  • Delta
    from $1,144
    Typical price: $1,400–1,600
    91 weekly connecting flights
    ONT - PHX Every day
  • Frontier
    from $192
    Typical price: $145–275
    39 weekly connecting flights
    ONT - PHX Every day

Popular airports near Ontario

  • Ontario International Airport (ONT)
    Ontario United States 11 min 2 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 1 hr 7 min 44 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 2 hr 16 min 112 mi
  • San Diego International Airport (SAN)
    San Diego United States 1 hr 50 min 95 mi

Popular airports near Phoenix

  • Phoenix Sky Harbor International Airport (PHX)
    Phoenix United States 12 min 3 mi
  • Mesa Gateway Airport (AZA)
    Phoenix United States 25 mi
  • Tucson International Airport (TUS)
    Tucson United States 1 hr 54 min 112 mi
  • Scottsdale Airport (SCF)
    Phoenix United States 31 min 15 mi

Frequently asked questions about flying from Ontario to Phoenix

The cheapest flights from Ontario to Phoenix are usually in August. Typical ticket prices in August range from $110 to $250.
The cheapest round-trip flight from Ontario to Phoenix recently found on Google Flights was with American from $177. The cheapest one-way flight was with American from $69.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Ontario to Phoenix is $177, flying from May 28 to Jun 1.
  • The cheapest American flight from Ontario to Phoenix is $177, flying from May 28 to Jun 1.
  • The cheapest United flight from Ontario to Phoenix is $217, flying from Jul 16 to Jul 20.
  • The cheapest Alaska flight from Ontario to Phoenix is $513, flying from May 30 to Jun 1.
  • The cheapest Delta flight from Ontario to Phoenix is $1,144, flying from Jul 4 to Jul 5.
  • The cheapest Frontier flight from Ontario to Phoenix is $192, flying from May 28 to May 31.
The cheapest round-trip flight from Ontario to Phoenix starts at $177 from Thu, May 28 to Mon, Jun 1. The cheapest one-way flight starts at $69 and departs on Wed, May 27.
1 hr 15 min is the shortest flight time from Ontario to Phoenix.
Most visitors arrive Dec–May, when the weather is warm and dry. Summers (May–Sep) are very hot. Local events include the Phoenix Open professional golf tournament (late Jan–early Feb), the Arizona State Fair (Oct) and the Arizona National Livestock Show (Dec).
It's easy to use Google Flights to find the cheapest days to fly from Ontario to Phoenix.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Ontario to Phoenix really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Ontario to Phoenix.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 32 nonstop flights and 1,450 connecting flights per week. Southwest flies from Ontario International Airport (ONT) to Phoenix Sky Harbor International Airport (PHX) .

Other popular airlines flying from Ontario to Phoenix are:
  • American offers 28 nonstop flights and 192 connecting flights per week. American flies from Ontario International Airport (ONT) to Phoenix Sky Harbor International Airport (PHX) .
  • United offers 138 connecting flights per week. United flies from Ontario International Airport (ONT) to Phoenix Sky Harbor International Airport (PHX) .
  • Alaska offers 107 connecting flights per week. Alaska flies from Ontario International Airport (ONT) to Phoenix Sky Harbor International Airport (PHX) .
  • Delta offers 91 connecting flights per week. Delta flies from Ontario International Airport (ONT) to Phoenix Sky Harbor International Airport (PHX) .
  • Frontier offers 39 connecting flights per week. Frontier flies from Ontario International Airport (ONT) to Phoenix Sky Harbor International Airport (PHX) .
The number of connecting flights refers to distinct flights with at least one stop between Ontario and Phoenix.
The cheapest round-trip flight from Ontario to Phoenix recently found on Google Flights was with American from $177. The cheapest one-way flight was with American from $69.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Ontario to Phoenix is $177, flying from May 28 to Jun 1.
  • The cheapest American flight from Ontario to Phoenix is $177, flying from May 28 to Jun 1.
  • The cheapest United flight from Ontario to Phoenix is $217, flying from Jul 16 to Jul 20.
  • The cheapest Alaska flight from Ontario to Phoenix is $513, flying from May 30 to Jun 1.
  • The cheapest Delta flight from Ontario to Phoenix is $1,144, flying from Jul 4 to Jul 5.
  • The cheapest Frontier flight from Ontario to Phoenix is $192, flying from May 28 to May 31.
Southwest and American fly direct from Ontario to Phoenix.
  • There are 32 Southwest direct flights from Ontario to Phoenix per week. Flights are available every day.
  • There are 28 American direct flights from Ontario to Phoenix per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Ontario and Phoenix at price $238 is offered by Frontier from Sat, May 9 to Sun, May 10.
Southwest and American fly direct from Ontario to Phoenix.
  • There are 32 Southwest direct flights from Ontario to Phoenix per week. Flights are available every day.
  • There are 28 American direct flights from Ontario to Phoenix per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Ontario to Phoenix on a daily basis.
The cheapest direct (nonstop) round-trip flights between Ontario and Phoenix start at $177 from Thu, May 28 to Mon, Jun 1 with American.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Ontario to Phoenix, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Ontario and Phoenix start at $361 from Thu, May 28 to Mon, Jun 1 with American.
The cheapest economy class round-trip flights between Ontario and Phoenix start at $177 from Thu, May 28 to Mon, Jun 1.
To book business class trips from Ontario to Phoenix, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Ontario and Phoenix starts at $238 from Sat, May 9 to Sun, May 10 with Frontier.
The cheapest last-minute deal between Ontario and Phoenix at price $238 is offered by Frontier from Sat, May 9 to Sun, May 10.
To find last-minute flight deals from Ontario to Phoenix, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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Popular trips from Ontario

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  3. Hong Kong
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