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Flights from Phoenix to Ontario
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Flights from Phoenix to Ontario Starting at NZD 48

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • Cheapest nonstop
        PHX15:45
        1h 13m
        Nonstop
        ONT15:58
        Wed, Dec 25|Phoenix - Ontario|Frontier Airlines
        NZD 48NZD 66
        28% OFF
        28% OFF
        NZD 66NZD 48

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Wed, Dec 25, arriving at Ontario International Airport. One-way Prices start from NZD 48 including taxes and charges.

      • PHX16:36
        1h 14m
        Nonstop
        ONT16:50
        Tue, Dec 3|Phoenix - Ontario|Frontier Airlines
        NZD 48NZD 66
        27% OFF
        27% OFF
        NZD 66NZD 48

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Tue, Dec 3, arriving at Ontario International Airport. One-way Prices start from NZD 48 including taxes and charges.

      • PHX15:45
        1h 13m
        Nonstop
        ONT15:58
        Sat, Dec 14|Phoenix - Ontario|Frontier Airlines
        NZD 48NZD 66
        27% OFF
        27% OFF
        NZD 66NZD 48

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Sat, Dec 14, arriving at Ontario International Airport. One-way Prices start from NZD 48 including taxes and charges.

      • PHX16:36
        1h 14m
        Nonstop
        ONT16:50
        Tue, Jan 7|Phoenix - Ontario|Frontier Airlines
        NZD 49
        NZD 49

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Tue, Jan 7, arriving at Ontario International Airport. One-way Prices start from NZD 49 including taxes and charges.

      • PHX15:45
        1h 13m
        Nonstop
        ONT15:58
        Sat, Jan 11|Phoenix - Ontario|Frontier Airlines
        NZD 49
        NZD 49

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Sat, Jan 11, arriving at Ontario International Airport. One-way Prices start from NZD 49 including taxes and charges.

      • PHX15:45
        1h 13m
        Nonstop
        ONT15:58
        Wed, Jan 8|Phoenix - Ontario|Frontier Airlines
        NZD 50
        NZD 50

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Wed, Jan 8, arriving at Ontario International Airport. One-way Prices start from NZD 50 including taxes and charges.

      • PHX15:45
        1h 13m
        Nonstop
        ONT15:58
        Sat, Dec 7|Phoenix - Ontario|Frontier Airlines
        NZD 50
        NZD 50

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Sat, Dec 7, arriving at Ontario International Airport. One-way Prices start from NZD 50 including taxes and charges.

      • PHX21:34
        1h 14m
        Nonstop
        ONT21:48
        Thu, Jan 9|Phoenix - Ontario|Frontier Airlines
        NZD 57
        NZD 57

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Thu, Jan 9, arriving at Ontario International Airport. One-way Prices start from NZD 57 including taxes and charges.

      • PHX15:45
        1h 13m
        Nonstop
        ONT15:58
        Fri, Dec 6|Phoenix - Ontario|Frontier Airlines
        NZD 57
        NZD 57

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Fri, Dec 6, arriving at Ontario International Airport. One-way Prices start from NZD 57 including taxes and charges.

      • PHX21:34
        1h 14m
        Nonstop
        ONT21:48
        Thu, Dec 5|Phoenix - Ontario|Frontier Airlines
        NZD 58
        NZD 58

        Choose Frontier Airlines flights from Phoenix to Ontario. The one-way direct flight with Frontier Airlines departs from Sky Harbor International Airport on Thu, Dec 5, arriving at Ontario International Airport. One-way Prices start from NZD 58 including taxes and charges.

      • PHX13:00
        3h 5m
        Nonstop
        ONT14:00
        Mon, Dec 2|Phoenix - Ontario|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Phoenix to Ontario

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Phoenix to Ontario

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From NZD 48
American Airlines
From NZD 121
Southwest Airlines
From NZD 132
Alaska Airlines
From NZD 154
United Airlines
From NZD 321
Hawaiian Airlines
From NZD 894
Delta Air Lines
From NZD 959

Find more flights and airlines

Alternative Routes from Phoenix to Ontario

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Phoenix to Ontario.

  • Cheapest
    Frontier Airlines
    PHX
    15:45
    1h 13m
    Nonstop
    ONT
    15:58
    Sky Harbor International Airport - Ontario International Airport
    Wed, Dec 25Frontier Airlines
    NZD 48
  • Frontier Airlines
    PHX
    15:45
    1h 13m
    Nonstop
    ONT
    15:58
    Sky Harbor International Airport - Ontario International Airport
    Wed, Dec 25Frontier Airlines
    NZD 48
    Find More Flights

FAQ

  • When are flight tickets from Phoenix (PHX) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Phoenix to Ontario based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Phoenix (PHX) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around NZD 278.

How to find a cheap flight from Phoenix to Ontario

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Phoenix to Ontario. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Phoenix to Ontario

Cheapest nonstop flight priceNZD 47
Cheapest round-trip ticket priceNZD 76
Off-season for travelApril
Peak season for travelOctober
Flight distance12,036.22 km
Popular airlineFrontier Airlines

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