How does KAYAK find such low prices on flights from Arizona to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Arizona to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Arizona with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$45 CHEAP FLIGHTS from Arizona to Ontario

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Flight Deals

Cheap Flights from Arizona to Ontario

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Arizona to Ontario

Sat, Dec 5 - Sat, Dec 12

9:00 am - 6:31 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

10h 31m1 stop Las Vegas Harry Reid Intl

8:44 am - 6:45 pmONT Ontario-PHX Phoenix Sky Harbor Intl

9h 01m1 stop Las Vegas Harry Reid Intl

$89Frontier

Tue, Dec 1 - Tue, Dec 8

12:52 pm - 6:11 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

6h 19m1 stop Las Vegas Harry Reid Intl

8:44 am - 10:12 pmONT Ontario-PHX Phoenix Sky Harbor Intl

12h 28m1 stop Las Vegas Harry Reid Intl

$89Frontier

Tue, Dec 8 - Tue, Dec 15

9:50 am - 6:31 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

9h 41m1 stop Las Vegas Harry Reid Intl

8:44 am - 6:45 pmONT Ontario-PHX Phoenix Sky Harbor Intl

9h 01m1 stop Las Vegas Harry Reid Intl

$89Frontier

Thu, Dec 3 - Mon, Dec 7

3:11 pm - 3:35 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 24mnonstop

1:23 pm - 3:45 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 22mnonstop

$117American Airlines

Tue, Nov 24 - Fri, Nov 27

8:15 am - 8:35 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

6:30 am - 8:58 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 28mnonstop

$117American Airlines

Fri, Dec 4 - Fri, Dec 4

9:00 am - 9:20 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

3:50 pm - 6:10 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

$117Southwest

Tue, Nov 24 - Fri, Nov 27

11:30 am - 11:50 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

4:00 pm - 6:20 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

$117Southwest

Sat, Dec 5 - Sat, Dec 5

12:18 pm - 12:38 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

4:51 pm - 7:17 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 26mnonstop

$117American Airlines

Fri, Dec 25 - Sat, Jan 9

2:48 pm - 9:00 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

7h 12m1 stop Denver Intl

5:00 am - 11:42 amONT Ontario-PHX Phoenix Sky Harbor Intl

5h 42m1 stop Denver Intl

$297United Airlines

Fri, Dec 25 - Thu, Jan 7

2:48 pm - 9:00 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

7h 12m1 stop Denver Intl

6:00 am - 11:15 amONT Ontario-PHX Phoenix Sky Harbor Intl

4h 15m1 stop San Francisco

$297United Airlines

Recent last minute flight deals from Arizona to Ontario

Tue, Nov 10 - Wed, Nov 25

3:46 pm - 11:51 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

9h 05m1 stop Denver Intl

8:15 am - 6:49 pmONT Ontario-PHX Phoenix Sky Harbor Intl

9h 34m1 stop Las Vegas Harry Reid Intl

$199Frontier

Tue, Nov 10 - Tue, Nov 24

8:30 am - 4:21 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

8h 51m1 stop Las Vegas Harry Reid Intl

4:13 pm - 12:33 amONT Ontario-PHX Phoenix Sky Harbor Intl

7h 20m1 stop Las Vegas Harry Reid Intl

$199Frontier

Mon, Nov 9 - Tue, Nov 24

2:45 pm - 7:30 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

5h 45m1 stop San Francisco

2:01 pm - 12:33 amONT Ontario-PHX Phoenix Sky Harbor Intl

9h 32m1 stop Las Vegas Harry Reid Intl

$214Frontier

Fri, Nov 6 - Sat, Dec 5

3:56 pm - 4:19 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 23mnonstop

4:51 pm - 7:17 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 26mnonstop

$328American Airlines

Fri, Nov 6 - Mon, Dec 7

3:56 pm - 4:19 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 23mnonstop

1:23 pm - 3:45 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 22mnonstop

$328American Airlines

Fri, Nov 6 - Mon, Dec 7

10:35 am - 3:20 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

5h 45m1 stop Sacramento Intl

3:50 pm - 6:10 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

$338Southwest

Fri, Nov 6 - Sat, Dec 5

3:15 pm - 6:10 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

3h 55m1 stop San Jose

5:35 am - 7:50 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 15mnonstop

$338Southwest

Tue, Nov 10 - Thu, Nov 12

12:18 pm - 12:38 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

1:27 pm - 3:52 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

$479American Airlines

Fri, Nov 6 - Sun, Nov 8

8:16 pm - 4:21 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

21h 05m2 stops Provo Las Vegas Harry Reid Intl

2:23 pm - 11:09 pmONT Ontario-PHX Phoenix Sky Harbor Intl

7h 46m1 stop Las Vegas Harry Reid Intl

$506Multiple Airlines

Tue, Nov 10 - Thu, Nov 12

11:20 am - 6:01 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

7h 41m1 stop San Francisco

4:17 pm - 9:59 pmONT Ontario-PHX Phoenix Sky Harbor Intl

4h 42m1 stop San Francisco

$573United Airlines

Recent direct flight deals from Arizona to Ontario

Thu, Dec 3 - Mon, Dec 7

3:11 pm - 3:35 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 24mnonstop

1:23 pm - 3:45 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 22mnonstop

$117American Airlines

Tue, Nov 24 - Fri, Nov 27

8:15 am - 8:35 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

6:30 am - 8:58 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 28mnonstop

$117American Airlines

Fri, Dec 4 - Fri, Dec 4

9:00 am - 9:20 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

3:50 pm - 6:10 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

$117Southwest

Tue, Nov 24 - Fri, Nov 27

11:30 am - 11:50 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

4:00 pm - 6:20 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

$117Southwest

Sat, Dec 5 - Sat, Dec 5

12:18 pm - 12:38 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

4:51 pm - 7:17 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 26mnonstop

$117American Airlines

Fri, Feb 5 - Mon, Feb 8

3:11 pm - 3:29 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 18mnonstop

4:19 pm - 6:46 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 27mnonstop

$117American Airlines

Sat, Dec 19 - Wed, Dec 23

8:20 am - 8:45 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 25mnonstop

7:36 pm - 10:00 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 24mnonstop

$117American Airlines

Thu, Dec 3 - Thu, Dec 10

9:35 pm - 9:53 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 18mnonstop

7:49 pm - 10:11 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 22mnonstop

$117American Airlines

Tue, Dec 1 - Tue, Dec 8

8:15 am - 8:35 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

6:30 am - 8:55 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

$117American Airlines

Wed, Nov 25 - Thu, Nov 26

3:09 pm - 3:35 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 26mnonstop

6:30 am - 8:58 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 28mnonstop

$117American Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$45

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 3% increase in price.

Flight from Phoenix to Ontario

How does KAYAK find such low prices on flights from Arizona to Ontario?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Arizona to Ontario?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Arizona with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to Ontario?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.