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.

$50 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

Fri, Oct 23 - Sat, Oct 24

3:20 pm - 4:30 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

1h 10mnonstop

5:25 pm - 6:38 pmONT Ontario-LAS Las Vegas Harry Reid Intl

1h 13mnonstop

$50Frontier

Fri, Oct 23 - Sat, Oct 24

3:20 pm - 4:30 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

1h 10mnonstop

5:25 pm - 6:38 pmONT Ontario-LAS Las Vegas Harry Reid Intl

1h 13mnonstop

$50Frontier

Sat, Oct 3 - Sat, Oct 3

8:00 am - 9:09 amLAS Las Vegas Harry Reid Intl-ONT Ontario

1h 09mnonstop

2:30 pm - 3:40 pmONT Ontario-LAS Las Vegas Harry Reid Intl

1h 10mnonstop

$74Frontier

Thu, Oct 15 - Wed, Nov 11

5:24 pm - 6:43 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 19mnonstop

9:50 am - 12:15 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

$117American Airlines

Sat, Oct 17 - Sat, Oct 24

7:45 am - 9:10 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 25mnonstop

4:29 pm - 5:52 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 23mnonstop

$117American Airlines

Sat, Jan 23 - Mon, Jan 25

11:00 am - 11:20 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

7:15 pm - 9:35 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

$117Southwest

Thu, Oct 15 - Sat, Oct 17

10:35 pm - 11:50 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 15mnonstop

5:30 am - 6:45 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 15mnonstop

$117Southwest

Thu, Oct 15 - Wed, Nov 11

10:46 am - 12:14 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 28mnonstop

9:50 am - 12:15 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

$117American Airlines

Sat, Oct 24 - Mon, Oct 26

6:00 pm - 10:51 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

4h 51m1 stop San Francisco

1:35 pm - 8:43 pmONT Ontario-LAS Las Vegas Harry Reid Intl

7h 08m1 stop San Francisco

$199United Airlines

Sat, Oct 24 - Mon, Oct 26

7:08 am - 12:36 pmTUS Tucson-ONT Ontario

5h 28m1 stop Salt Lake City

5:03 pm - 9:37 pmONT Ontario-TUS Tucson

4h 34m1 stop Salt Lake City

$254Delta

Recent last minute flight deals from Arizona to Ontario

Wed, Sep 23 - Wed, Nov 4

4:30 pm - 7:36 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

27h 06m1 stop San Francisco

10:35 am - 11:42 amONT Ontario-LAS Las Vegas Harry Reid Intl

1h 07mnonstop

$193Frontier

Thu, Sep 24 - Mon, Sep 28

3:17 pm - 7:36 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

4h 19m1 stop San Francisco

12:07 pm - 10:10 pmONT Ontario-LAS Las Vegas Harry Reid Intl

10h 03m1 stop San Francisco

$231Frontier

Thu, Sep 24 - Mon, Sep 28

11:23 am - 7:36 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

8h 13m1 stop San Francisco

12:07 pm - 10:10 pmONT Ontario-LAS Las Vegas Harry Reid Intl

10h 03m1 stop San Francisco

$237Frontier

Thu, Sep 24 - Sat, Sep 26

3:17 pm - 7:36 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

4h 19m1 stop San Francisco

4:27 pm - 3:24 pmONT Ontario-LAS Las Vegas Harry Reid Intl

22h 57m1 stop Santa Rosa Sonoma County

$478Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

5:01 pm - 6:17 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 16mnonstop

1:04 pm - 2:25 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 21mnonstop

$487American Airlines

Tue, Sep 22 - Wed, Sep 23

4:25 pm - 5:35 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 10mnonstop

8:35 am - 9:55 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

$487Southwest

Sat, Sep 26 - Tue, Sep 29

2:05 pm - 3:15 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 10mnonstop

6:40 am - 8:05 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

$487Southwest

Sat, Sep 26 - Sun, Sep 27

5:01 pm - 6:17 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 16mnonstop

6:15 am - 7:36 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 21mnonstop

$503American Airlines

Tue, Sep 22 - Thu, Sep 24

1:24 pm - 8:01 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

6h 37m1 stop San Francisco

11:10 am - 6:31 pmONT Ontario-LAS Las Vegas Harry Reid Intl

7h 21m1 stop San Francisco

$559United Airlines

Sat, Sep 26 - Sat, Sep 26

6:00 am - 12:46 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

6h 46m1 stop Denver Intl

4:03 pm - 9:15 pmONT Ontario-PHX Phoenix Sky Harbor Intl

5h 12m1 stop San Francisco

$559United Airlines

Recent direct flight deals from Arizona to Ontario

Fri, Oct 23 - Sat, Oct 24

3:20 pm - 4:30 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

1h 10mnonstop

5:25 pm - 6:38 pmONT Ontario-LAS Las Vegas Harry Reid Intl

1h 13mnonstop

$50Frontier

Fri, Oct 23 - Sat, Oct 24

3:20 pm - 4:30 pmLAS Las Vegas Harry Reid Intl-ONT Ontario

1h 10mnonstop

5:25 pm - 6:38 pmONT Ontario-LAS Las Vegas Harry Reid Intl

1h 13mnonstop

$50Frontier

Sat, Oct 3 - Sat, Oct 3

8:00 am - 9:09 amLAS Las Vegas Harry Reid Intl-ONT Ontario

1h 09mnonstop

2:30 pm - 3:40 pmONT Ontario-LAS Las Vegas Harry Reid Intl

1h 10mnonstop

$74Frontier

Tue, Nov 17 - Wed, Nov 18

8:35 am - 9:40 amLAS Las Vegas Harry Reid Intl-ONT Ontario

1h 05mnonstop

10:35 am - 11:42 amONT Ontario-LAS Las Vegas Harry Reid Intl

1h 07mnonstop

$104Frontier

Thu, Oct 15 - Wed, Nov 11

5:24 pm - 6:43 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 19mnonstop

9:50 am - 12:15 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

$117American Airlines

Sat, Oct 17 - Sat, Oct 24

7:45 am - 9:10 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 25mnonstop

4:29 pm - 5:52 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 23mnonstop

$117American Airlines

Sat, Jan 23 - Mon, Jan 25

11:00 am - 11:20 amPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 20mnonstop

7:15 pm - 9:35 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 20mnonstop

$117Southwest

Thu, Oct 15 - Sat, Oct 17

10:35 pm - 11:50 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 15mnonstop

5:30 am - 6:45 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 15mnonstop

$117Southwest

Thu, Oct 15 - Wed, Nov 11

10:46 am - 12:14 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 28mnonstop

9:50 am - 12:15 pmONT Ontario-PHX Phoenix Sky Harbor Intl

1h 25mnonstop

$117American Airlines

Thu, Oct 15 - Sat, Oct 17

10:35 pm - 11:50 pmPHX Phoenix Sky Harbor Intl-ONT Ontario

1h 15mnonstop

5:30 am - 6:45 amONT Ontario-PHX Phoenix Sky Harbor Intl

1h 15mnonstop

$117Southwest

Useful Info

Low season	January
High season	October
Cheapest flight	$50

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

Most popular time to fly and prices are also 18% lower on average.

Flight from Las Vegas 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.