Flights from Ontario to Phoenix Sky Harbor

Our cheapest offers for flights from Ontario to Phoenix Sky Harbor

Here you can compare cheap flights from Ontario (ONT) to Phoenix Sky Harbor (PHX) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Phoenix Sky Harbor. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Ontario
Phoenix - Sky Harbor
Outbound
10/18/25
1 Stopover (DEN)
F91500, F94753
20h 56min
Return
11/17/25
1 Stopover (SFO)
F91191, F92678
12h 10min
Frontier Airlines
$171
Best option
Ontario
Phoenix - Sky Harbor
Outbound
10/18/25
direct
AA1423
01h 17min
Return
11/17/25
direct
AA2167
01h 21min
American Airlines ?
$277
Ontario
Phoenix - Sky Harbor
Outbound
10/18/25
1 Stopover (DEN)
F91500, F94753
20h 56min
Return
11/17/25
1 Stopover (SFO)
F91191, F92678
12h 10min
Frontier Airlines
$181
Ontario
Phoenix - Sky Harbor
Outbound
10/18/25
direct
AA5002
01h 24min
Return
11/17/25
direct
AA1666
01h 18min
American Airlines ?
$283
Ontario
Phoenix - Sky Harbor
Outbound
10/18/25
direct
AA5002
01h 24min
Return
11/17/25
direct
AA3016
01h 29min
American Airlines ?
$287
Ontario
Phoenix - Sky Harbor
Outbound
10/18/25
direct
AA6508
01h 23min
Return
11/17/25
direct
AA3016
01h 29min
American Airlines ?
$379
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Ontario to Phoenix Sky Harbor

Favorite airline: Frontier Airlines
100 % of flights booked on the route from Ontario to Phoenix - Sky Harbor are booked with Frontier Airlines, American Airlines and United Airlines.
Frontier Airlines
95 %
American Airlines
3 %
United Airlines
2 %
Cheapest weekday: Saturday
The cheapest ticket prices are available for flights departing on Saturday.
Direct flights are the cheapest connection
Compared to direct flights, flights with a stopover on this route are on average 88 % more expensive.
non stop flight
1 stop
01h 19min
06h 48min
$ 53
$ 442
The favorite connection is non-stop
99 % of travelers decide to book a direct flight on this route.
Route
bookings
Direct flights
01h 19min, from $ 53
99 %
1 stopover San Francisco International Airport, CA
06h 48min, from $ 442
1 %

Important flight information

Flight information: Ontario - Phoenix - Sky Harbor

Roundtrip from $ 170,37
Flight duration min. 01:14 / max. 06:20
Return flight duration min. 01:10/ max. 03:05
Distance 522 km
Flights per week 91
Departure airport Airport Ontario-CA (ONT)
Arrival airport Airport Phoenix - Sky Harbor International Airport (PHX)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Phoenix - Sky Harbor
Flight destinations with a similar price
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