$84 Flight Deals from Phoenix to Ontario International Airport

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Stops

Nonstop

from $144

Up to 1 stop

$167

Up to 2 stops

$547

Airlines

American Airlines

$144

Delta Air Lines

$805

Frontier Airlines

$167

Hawaiian Airlines

$391

Southwest Airlines

$295

United Airlines

$1153

Cabin Class

Economy

$144

Departure Airports

Phoenix Sky Harbor International Airport

$144

Arrival Airports

Ontario International Airport

$144

Layover Airports

Denver International Airport

$167

Harry Reid International Airport

$167

Oakland International Airport

$295

Portland International Airport

$547

Salt Lake City International Airport

$805

San Francisco International Airport

$167

Seattle Tacoma International Airport

$391

Best Price. GUARANTEED.

Exclusively for Priceline Members
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On average save $240 per traveler

American Airlines

04/28/25

10:34am

PHX

1h 25m

Direct

04/28/25

11:59am

ONT

American Airlines

04/30/25

10:34am

ONT

1h 28m

Direct

04/30/25

12:02pm

PHX

^$144

Free cancellation within 83 hours of booking

Frontier Airlines

04/28/25

8:14am

PHX

LAS

04/28/25

1:14pm

ONT

Frontier Airlines

04/30/25

10:44am

ONT

6h 37m

LAS

04/30/25

5:21pm

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

04/24/25

5:40am

PHX

5h 40m

DEN

04/24/25

11:20am

ONT

Frontier Airlines

04/29/25

12:10pm

ONT

6h 30m

DEN

04/29/25

6:40pm

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

05/01/25

7:50am

PHX

7h 49m

LAS

05/01/25

3:39pm

ONT

Frontier Airlines

05/04/25

8:24am

ONT

5h 8m

SFO

05/04/25

1:32pm

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

05/02/25

7:50am

PHX

5h 26m

LAS

05/02/25

1:16pm

ONT

Frontier Airlines

05/14/25

1:08pm

ONT

3h 41m

LAS

05/14/25

4:49pm

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

05/08/25

2:33pm

PHX

3h 12m

LAS

05/08/25

5:45pm

ONT

Frontier Airlines

05/11/25

12:59am

ONT

7h 25m

DEN

05/11/25

8:24am

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

04/25/25

3:15pm

PHX

8h 44m

DEN

04/25/25

11:59pm

ONT

Frontier Airlines

04/28/25

2:42pm

ONT

6h 42m

LAS

04/28/25

9:24pm

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

04/26/25

5:40am

PHX

5h 40m

DEN

04/26/25

11:20am

ONT

Frontier Airlines

04/28/25

12:59am

ONT

7h 23m

DEN

04/28/25

8:22am

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

04/29/25

5:40am

PHX

5h 40m

DEN

04/29/25

11:20am

ONT

Frontier Airlines

05/06/25

1:08pm

ONT

3h 41m

LAS

05/06/25

4:49pm

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

04/23/25

5:40am

PHX

5h 40m

DEN

04/23/25

11:20am

ONT

Frontier Airlines

04/30/25

12:10pm

ONT

6h 30m

DEN

04/30/25

6:40pm

PHX

^$167

Free cancellation within 83 hours of booking

Frontier Airlines

04/22/25

5:40am

PHX

5h 40m

DEN

04/22/25

11:20am

ONT

Frontier Airlines

04/29/25

12:10pm

ONT

6h 30m

DEN

04/29/25

6:40pm

PHX

^$168

Free cancellation within 83 hours of booking

Frontier Airlines

05/09/25

5:50am

PHX

5h 25m

DEN

05/09/25

11:15am

ONT

Frontier Airlines

05/16/25

12:59am

ONT

7h 25m

DEN

05/16/25

8:24am

PHX

^$169

Free cancellation within 83 hours of booking

Frontier Airlines

04/30/25

5:40am

PHX

5h 40m

DEN

04/30/25

11:20am

ONT

Frontier Airlines

05/03/25

8:24am

ONT

6h 50m

SFO

05/03/25

3:14pm

PHX

^$169

Free cancellation within 83 hours of booking

Frontier Airlines

04/15/25

5:09pm

PHX

6h 50m

DEN

04/15/25

11:59pm

ONT

Frontier Airlines

04/18/25

4:25pm

ONT

7h 32m

DEN

04/18/25

11:57pm

PHX

^$170

Free cancellation within 83 hours of booking

Frontier Airlines

04/15/25

2:05pm

PHX

6h 44m

LAS

04/15/25

8:49pm

ONT

Frontier Airlines

04/18/25

10:53am

ONT

10h 27m

LAS

04/18/25

9:20pm

PHX

^$178

Free cancellation within 83 hours of booking

Frontier Airlines

04/16/25

9:05am

PHX

5h 22m

DEN

04/16/25

2:27pm

ONT

Frontier Airlines

04/18/25

4:25pm

ONT

7h 32m

DEN

04/18/25

11:57pm

PHX

^$178

Free cancellation within 83 hours of booking

Frontier Airlines

04/18/25

4:49pm

PHX

7h 10m

DEN

04/18/25

11:59pm

ONT

Frontier Airlines

04/19/25

6:47pm

ONT

5h 10m

DEN

04/19/25

11:57pm

PHX

^$178

Free cancellation within 83 hours of booking

Frontier Airlines

04/21/25

4:49pm

PHX

7h 10m

DEN

04/21/25

11:59pm

ONT

Frontier Airlines

04/28/25

2:42pm

ONT

6h 42m

LAS

04/28/25

9:24pm

PHX

^$179

Free cancellation within 83 hours of booking

Frontier Airlines

04/19/25

5:55pm

PHX

6h 4m

DEN

04/19/25

11:59pm

ONT

Frontier Airlines

04/26/25

8:10am

ONT

4h 55m

SFO

04/26/25

1:05pm

PHX

^$179

Free cancellation within 83 hours of booking

Frontier Airlines

04/20/25

7:00pm

PHX

4h 59m

DEN

04/20/25

11:59pm

ONT

Frontier Airlines

05/06/25

1:08pm

ONT

3h 41m

LAS

05/06/25

4:49pm

PHX

^$229

Free cancellation within 83 hours of booking

Southwest Airlines

04/18/25

4:20pm

PHX

6h 40m

LAS

04/18/25

11:00pm

ONT

Southwest Airlines

04/20/25

8:45pm

ONT

10h 35m

OAK

04/21/25

7:20am

PHX

^$295

Free cancellation within 83 hours of booking

Hawaiian Airlines

05/09/25

5:00pm

PHX

6h 59m

SEA

05/09/25

11:59pm

ONT

Hawaiian Airlines

05/11/25

8:10am

ONT

7h 39m

SFO

05/11/25

3:49pm

PHX

^$391

Free cancellation within 83 hours of booking

Hawaiian Airlines

05/05/25

7:00am

PHX

10h 30m

PDX

SEA

05/05/25

5:30pm

ONT

Hawaiian Airlines

05/08/25

7:01am

ONT

8h 48m

SFO

05/08/25

3:49pm

PHX

^$547

Free cancellation within 83 hours of booking

Hawaiian Airlines

05/09/25

5:00pm

PHX

6h 59m

SEA

05/09/25

11:59pm

ONT

Hawaiian Airlines

05/11/25

12:36pm

ONT

11h 23m

SFO

SEA

05/11/25

11:59pm

PHX

^$660

Free cancellation within 83 hours of booking

Delta Air Lines

04/23/25

10:05am

PHX

6h 28m

SLC

04/23/25

4:33pm

ONT

Delta Air Lines

04/30/25

8:45am

ONT

7h 4m

SFO

04/30/25

3:49pm

PHX

^$805

Free cancellation within 83 hours of booking

Delta Air Lines

04/29/25

6:00am

PHX

6h 16m

SLC

04/29/25

12:16pm

ONT

Delta Air Lines

05/01/25

8:45am

ONT

7h 4m

SFO

05/01/25

3:49pm

PHX

^$840

Free cancellation within 83 hours of booking

Delta Air Lines

05/05/25

6:00am

PHX

6h 16m

SLC

05/05/25

12:16pm

ONT

Delta Air Lines

05/08/25

7:30am

ONT

7h 16m

SEA

05/08/25

2:46pm

PHX

^$1017

Free cancellation within 83 hours of booking

United Airlines

04/27/25

6:00am

PHX

9h 32m

SEA

04/27/25

3:32pm

ONT

United Airlines

04/28/25

3:55pm

ONT

8h 4m

SFO

PDX

04/28/25

11:59pm

PHX

^$1153

Free cancellation within 83 hours of booking

Delta Air Lines

04/28/25

10:05am

PHX

6h 28m

SLC

04/28/25

4:33pm

ONT

Delta Air Lines

04/30/25

6:00am

ONT

6h 9m

SLC

04/30/25

12:09pm

PHX

^$1362

Free cancellation within 83 hours of booking

Delta Air Lines

04/27/25

5:25pm

PHX

6h 16m

SLC

04/27/25

11:41pm

ONT

Delta Air Lines

04/28/25

5:15pm

ONT

6h 18m

SLC

04/28/25

11:33pm

PHX

^$1381

Free cancellation within 83 hours of booking

Top Deals on flights from Phoenix to Ontario International Airport

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

Apr 28

8:14am

PHX

LAS

Apr 28

1:14pm

ONT

as low as

$84

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

May 3

9:45am

PHX

8h 2m

DFW

May 3

5:47pm

ONT

as low as

$84

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

Apr 24

5:40am

PHX

5h 40m

DEN

Apr 24

11:20am

ONT

as low as

$84

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

May 1

2:33pm

PHX

3h 12m

LAS

May 1

5:45pm

ONT

as low as

$84

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

Apr 26

5:40am

PHX

5h 40m

DEN

Apr 26

11:20am

ONT

as low as

$84

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

May 15

11:08am

PHX

6h 49m

DFW

May 15

5:57pm

ONT

as low as

$84

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

May 11

5:50am

PHX

5h 25m

DEN

May 11

11:15am

ONT

as low as

$84

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

May 10

9:45am

PHX

8h 2m

DFW

May 10

5:47pm

ONT

as low as

$84

Phoenix, US (PHX) - Los Angeles, US (LAX)

Frontier Airlines

May 5

7:50am

PHX

5h 26m

LAS

May 5

1:16pm

ONT

as low as

$103

Phoenix, US (PHX) - Los Angeles, US (LAX)

American Airlines

Apr 26

5:09pm

PHX

1h 11m

Direct

Apr 26

6:20pm

ONT

as low as

$165

Phoenix, US (PHX) - Los Angeles, US (LAX)

Hawaiian Airlines

May 2

3:08pm

PHX

8h 51m

SEA

May 2

11:59pm

ONT

as low as

$170

Phoenix, US (PHX) - Los Angeles, US (LAX)

Hawaiian Airlines

May 1

6:00am

PHX

9h 32m

SEA

May 1

3:32pm

ONT

as low as

$170

Flights to Los Angeles

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Flights From Ontario International Airport To Phoenix

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Ontario International Airport

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Flight Deals from Phoenix to Ontario International Airport from $84

Stops

Airlines

Cabin Class

Departure Airports

Arrival Airports

Layover Airports

Best Price. GUARANTEED.

Top Deals on flights from Phoenix to Ontario International Airport

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