Cheap Flights from Ontario, CA to Phoenix, AZ from $66

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 $66, 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.

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 october (from 66 $), november (from 66 $), july (from 71 $).

The most expensive months are september (from 84 $), june (from 78 $), may (from 78 $).

What is the lowest airfare Ontario to Phoenix?

The cheapest plane ticket found by our users is $66. This airfare is for economy class on one-way F91262 flight by Frontier Airlines for October 22, 2025 which leaves Ontario Int. in Ontario at 17:21 am and arrives at Phoenix Sky Harbor Intl at 23:41.

Economy class
$66
Find
Business class
?
Find
First class
?
Find

Flight Schedule Ontario (California) to Phoenix (Arizona)

00:59 — 08:27
7h 28m flight time
Find flight
from$71
00:59 — 04:17 Ontario — Denver
F91500 Frontier Airlines
3h 12m stop
07:30 — 08:34 Denver — Phoenix
F91375 Frontier Airlines
00:59 — 19:20
18h 21m flight time
Find flight
from$83
00:08 — 03:26 Ontario — Denver
F91500 Frontier Airlines
13h 56m stop
18:21 — 19:26 Denver — Phoenix
F94765 Frontier Airlines
00:59 — 17:20
16h 21m flight time
Find flight
from$84
00:59 — 04:17 Ontario — Denver
F91500 Frontier Airlines
11h 56m stop
16:48 — 17:51 Denver — Phoenix
F92105 Frontier Airlines
00:59 — 21:55
20h 56m flight time
Find flight
from$84
00:59 — 04:20 Ontario — Denver
F91500 Frontier Airlines
16h 35m stop
20:55 — 21:55 Denver — Phoenix
F94753 Frontier Airlines
06:00 — 11:52
5h 52m flight time
Find flight
from$87
06:00 — 07:16 Ontario — Las Vegas
F92232 Frontier Airlines
3h 20m stop
10:38 — 12:00 Las Vegas — Phoenix
F94048 Frontier Airlines
07:00 — 18:24
11h 24m flight time
Find flight
from$83
06:00 — 07:16 Ontario — Las Vegas
F92232 Frontier Airlines
8h 55m stop
17:14 — 18:38 Las Vegas — Phoenix
F94116 Frontier Airlines
07:00 — 21:15
14h 15m flight time
Find flight
from$92
06:00 — 07:10 Ontario — Las Vegas
F92232 Frontier Airlines
11h 47m stop
19:56 — 21:15 Las Vegas — Phoenix
F93484 Frontier Airlines
08:00 — 15:36
7h 36m flight time
Find flight
from$84
10:52 — 12:04 Ontario — Las Vegas
F92232 Frontier Airlines
4h 58m stop
20:06 — 21:24 Las Vegas — Phoenix
F94114 Frontier Airlines
17:13 — 21:15
4h 2m flight time
Find flight
from$87
17:13 — 18:26 Ontario — Las Vegas
F91358 Frontier Airlines
1h 30m stop
19:56 — 21:15 Las Vegas — Phoenix
F93484 Frontier Airlines
17:21 — 23:41+1day
6h 20m flight time
Find flight
from$66
10:55 — 14:18 Ontario — Denver
F91262 Frontier Airlines
1h 54m stop
22:59 — 00:56 Denver — Phoenix
F94753 Frontier Airlines
17:21 — 08:34+1day
15h 13m flight time
Find flight
from$66
10:55 — 14:18 Ontario — Denver
F91262 Frontier Airlines
10h 45m stop
07:00 — 09:02 Denver — Phoenix
F91375 Frontier Airlines
17:21 — 22:34
5h 13m flight time
Find flight
from$73
17:21 — 20:45 Ontario — Denver
F92908 Frontier Airlines
52m stop
22:39 — 23:41 Denver — Phoenix
F94753 Frontier Airlines
17:21 — 08:27+1day
15h 6m flight time
Find flight
from$79
17:21 — 20:45 Ontario — Denver
F92908 Frontier Airlines
10h 48m stop
07:30 — 08:34 Denver — Phoenix
F91375 Frontier Airlines
17:26 — 21:14
3h 48m flight time
Find flight
from$87
17:15 — 18:28 Ontario — Las Vegas
F91358 Frontier Airlines
1h 17m stop
19:56 — 21:14 Las Vegas — Phoenix
F94114 Frontier Airlines
17:26 — 12:00+1day
18h 34m flight time
Find flight
from$93
17:15 — 18:28 Ontario — Las Vegas
F91358 Frontier Airlines
15h 59m stop
10:33 — 11:55 Las Vegas — Phoenix
F94048 Frontier Airlines
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 and arrival times - local. Updated on October 16, 2025.

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 $ 167 . And the most expensive tickets are offered by Hawaiian Airlines airline - from $ 948.

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 $66.

  • AS - Alaska Airlines
    from $167
    Find
  • F9 - Frontier Airlines
    from $66
    Find
  • HA - Hawaiian Airlines
    from $163
    Find
  • UA - United Airlines
    from $208
    Find
See more connecting flights

Airports

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

Ontario airports

  • Ontario Int.-ONT
    from $66
    Find
  • International Heliport-JIO
    Find

Phoenix airports

  • Williams Gateway-AZA
    Find
  • Sky Harbor Intl-PHX
    Find
  • Phoenix-Deer Valley-DVT
    Find
  • Luke AFB-LUF
    Find
  • Scottsdale Municipal-SCF
    Find

How to book a plane ticket yourself?

How to book an air 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.

    To find a plane ticket, please select dates.

Back