Cheap Flights from Ontario, CA to Phoenix, AZ from $65

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On Cheapflightsplus.com you will find 258 connecting flights from Ontario to Phoenix. You can compare airfare deals from 4 airlines and multiple travel sites from $65, book and save on cheap plane tickets and last minute offers. Also check out ONT-PHX flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to Phoenix Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $65 (one-way), $111 (round-trip).

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Best Flights from Ontario to Phoenix Today

Take a look at the list of non stop flights and flights with layovers from Ontario to Phoenix with the lowest price of $65. Take a look at the list of flights with layovers from Ontario to Phoenix from $65. There’re no direct flights. The fastest connecting flight – 3h 48m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $65 Find flight	17:21 Ontario Ontario Int.	23:41+1 день Phoenix Sky Harbor Intl	6h 20m layover 1h 54m - Denver	Frontier Airlines	F91262 F94753
from $77 Find flight	17:21 Ontario Ontario Int.	08:27+1 день Phoenix Sky Harbor Intl	15h 6m layover 10h 48m - Denver	Frontier Airlines	F92908 F91375

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 15, 2025

Flight Schedule Ontario (California) to Phoenix (Arizona)

Full flight schedule will help you in detecting at what time planes fly from Ontario to Phoenix. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
00:59 — 08:27	00:59 — 04:17 F91500 Frontier Airlines Ontario — Denver 3h 12m stop 07:30 — 08:34 F91375 Frontier Airlines Denver — Phoenix	7h 28m including layover	Find flight from$70
00:59 — 19:20	00:08 — 03:26 F91500 Frontier Airlines Ontario — Denver 13h 56m stop 18:21 — 19:26 F94765 Frontier Airlines Denver — Phoenix	18h 21m including layover	Find flight from$82
00:59 — 17:20	00:59 — 04:17 F91500 Frontier Airlines Ontario — Denver 11h 56m stop 16:48 — 17:51 F92105 Frontier Airlines Denver — Phoenix	16h 21m including layover	Find flight from$83
00:59 — 21:55	00:59 — 04:20 F91500 Frontier Airlines Ontario — Denver 16h 35m stop 20:55 — 21:55 F94753 Frontier Airlines Denver — Phoenix	20h 56m including layover	Find flight from$83
06:00 — 11:52	06:00 — 07:16 F92232 Frontier Airlines Ontario — Las Vegas 3h 20m stop 10:38 — 12:00 F94048 Frontier Airlines Las Vegas — Phoenix	5h 52m including layover	Find flight from$85
07:00 — 18:24	06:00 — 07:16 F92232 Frontier Airlines Ontario — Las Vegas 8h 55m stop 17:14 — 18:38 F94116 Frontier Airlines Las Vegas — Phoenix	11h 24m including layover	Find flight from$82
07:00 — 21:15	06:00 — 07:10 F92232 Frontier Airlines Ontario — Las Vegas 11h 47m stop 19:56 — 21:15 F93484 Frontier Airlines Las Vegas — Phoenix	14h 15m including layover	Find flight from$90
08:00 — 15:36	10:52 — 12:04 F92232 Frontier Airlines Ontario — Las Vegas 4h 58m stop 20:06 — 21:24 F94114 Frontier Airlines Las Vegas — Phoenix	7h 36m including layover	Find flight from$83
17:13 — 21:15	17:13 — 18:26 F91358 Frontier Airlines Ontario — Las Vegas 1h 30m stop 19:56 — 21:15 F93484 Frontier Airlines Las Vegas — Phoenix	4h 2m including layover	Find flight from$85
17:21 — 23:41 +1 day	10:55 — 14:18 F91262 Frontier Airlines Ontario — Denver 1h 54m stop 22:59 — 00:56 F94753 Frontier Airlines Denver — Phoenix	6h 20m including layover	Find flight from$65
17:21 — 08:34 +1 day	10:55 — 14:18 F91262 Frontier Airlines Ontario — Denver 10h 45m stop 07:00 — 09:02 F91375 Frontier Airlines Denver — Phoenix	15h 13m including layover	Find flight from$65
17:21 — 22:34	17:21 — 20:45 F92908 Frontier Airlines Ontario — Denver 52m stop 22:39 — 23:41 F94753 Frontier Airlines Denver — Phoenix	5h 13m including layover	Find flight from$72
17:21 — 08:27 +1 day	17:21 — 20:45 F92908 Frontier Airlines Ontario — Denver 10h 48m stop 07:30 — 08:34 F91375 Frontier Airlines Denver — Phoenix	15h 6m including layover	Find flight from$77
17:26 — 21:14	17:15 — 18:28 F91358 Frontier Airlines Ontario — Las Vegas 1h 17m stop 19:56 — 21:14 F94114 Frontier Airlines Las Vegas — Phoenix	3h 48m including layover	Find flight from$86
17:26 — 12:00 +1 day	17:15 — 18:28 F91358 Frontier Airlines Ontario — Las Vegas 15h 59m stop 10:33 — 11:55 F94048 Frontier Airlines Las Vegas — Phoenix	18h 34m including layover	Find flight from$91

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on September 15, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to Phoenix depends on and how to choose the most interesting flight option for you.

Distance between Ontario and Phoenix is 521 miles. Time difference between the cities is 1h. Airplanes depart 00:59 to 20:59 from 2 Ontario airports and arrive 00:59 to 20:59 to 5 Phoenix airports. Average flight time is 10h 59m.

The fastest flight 3h 48m
Average flight time 10h 59m
The earliest flight 00:59
The latest flight 20:59
Distance 324 ml

The cheapest months to travel to Phoenix are november (from 65 $), september (from 65 $), july (from 70 $).

The most expensive months are october (from 84 $), june (from 76 $), may (from 76 $).

What is the lowest airfare Ontario to Phoenix?

The cheapest plane ticket found by our users is $65. This airfare is for economy class on one-way F91262 flight by Frontier Airlines for September 17, 2025 which leaves Ontario Int. in Ontario at 17:21 am and arrives at Phoenix Sky Harbor Intl at 23:41.

Economy class

$65

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Business class

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First class

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Popular Airlines on the Route

The flight Ontario — Phoenix is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 98 departures per week at the price of from $ 163 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 928.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 258 flights with layovers on the route. The fastest connecting flight is F91358 by Frontier Airlines takes 3h 48m and the cheapest is F91262 by Frontier Airlines for $65.

AS - Alaska Airlines

from $163

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F9 - Frontier Airlines

from $65

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HA - Hawaiian Airlines

from $160

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UA - United Airlines

from $204

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Airports

You can fly from Ontario to Phoenix from 2 airports (Ontario Int., International Heliport).

Ontario airports

Ontario Int.-ONT

from $65
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International Heliport-JIO

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Phoenix airports

Williams Gateway-AZA

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Sky Harbor Intl-PHX

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Phoenix-Deer Valley-DVT

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Luke AFB-LUF

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Scottsdale Municipal-SCF

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Airplanes

There are flights to Phoenix from Ontario by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Ontario — Phoenix

from $56

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Ontario — Denver

from $65

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Ontario — Austin

from $67

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Ontario — Miami

from $62

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Ontario — Tucson

from $80

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Ontario — Las Vegas

from $63

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Ontario — Seattle

from $65

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Ontario — Boise

from $70

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Ontario — Chicago

from $78

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Ontario — Philadelphia

from $62

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Top International Destinations from Ontario

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Ontario — London

from $62

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Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Cancun

from $74

Find

How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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