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Cheap flights from Phoenix Sky Harbor Intl Airport to Los Angeles from $46

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Los Angeles departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Los Angeles

Cheap round-trip flights

Southwest Logo
10:40 am - 12:00 pmPHX-ONT
1h 20mnonstop
Southwest Logo
3:35 pm - 4:55 pmONT-PHX
1h 20mnonstop
$91Southwest
Find Deal
Tue, Aug 5 - Tue, Aug 12
Southwest Logo
6:50 am - 8:05 amPHX-ONT
1h 15mnonstop
Southwest Logo
12:55 pm - 2:15 pmONT-PHX
1h 20mnonstop
$97Southwest
Find Deal
Mon, Aug 4 - Mon, Aug 11
Southwest Logo
8:15 am - 9:30 amPHX-ONT
1h 15mnonstop
Southwest Logo
2:45 pm - 9:40 pmONT-PHX
6h 55m1 stop
$101Southwest
Find Deal
Tue, Aug 5 - Tue, Aug 12
Frontier Logo
7:00 am - 4:20 pmPHX-ONT
9h 20m1 stop
Frontier Logo
5:13 pm - 9:19 pmONT-PHX
4h 06m1 stop
$130Frontier
Find Deal
Sat, Aug 2 - Sat, Aug 9
American Airlines Logo
8:25 pm - 9:38 pmPHX-ONT
1h 13mnonstop
American Airlines Logo
6:17 am - 7:33 amONT-PHX
1h 16mnonstop
$131American Airlines
Find Deal
Tue, Aug 5 - Tue, Aug 12
American Airlines Logo
3:04 pm - 4:24 pmPHX-ONT
1h 20mnonstop
American Airlines Logo
6:17 am - 7:33 amONT-PHX
1h 16mnonstop
$132American Airlines
Find Deal
Thu, Aug 7 - Mon, Aug 11
Frontier Logo
6:00 am - 11:53 amPHX-ONT
5h 53m1 stop
Frontier Logo
6:00 am - 11:52 amONT-PHX
5h 52m1 stop
$134Frontier
Find Deal
Mon, Aug 4 - Mon, Aug 11
Frontier Logo
6:00 am - 11:53 amPHX-ONT
5h 53m1 stop
Frontier Logo
6:00 am - 9:19 pmONT-PHX
15h 19m1 stop
$140Frontier
Find Deal
Fri, Aug 1 - Mon, Aug 4
American Airlines Logo
5:01 pm - 6:17 pmPHX-ONT
1h 16mnonstop
American Airlines Logo
6:17 am - 7:33 amONT-PHX
1h 16mnonstop
$151American Airlines
Find Deal
Thu, Aug 14 - Sun, Aug 17
American Airlines Logo
10:10 am - 11:32 amPHX-ONT
1h 22mnonstop
American Airlines Logo
12:22 pm - 1:39 pmONT-PHX
1h 17mnonstop
$152American Airlines
Find Deal
Thu, Aug 7 - Sun, Aug 10

Southwest flights from Phoenix Sky Harbor Intl Airport to Ontario

Our best Southwest deals on Phoenix Sky Harbor Intl Airport to Ontario flight tickets
Southwest
Aug 5
PHX10:40 amPhoenix Sky Harbor Intl
1h 20m
ONT12:00 pmOntario
Aug 12
ONT3:35 pmOntario
1h 20m
PHX4:55 pmPhoenix Sky Harbor Intl
$91
Find similar
Southwest
Aug 4
PHX6:50 amPhoenix Sky Harbor Intl
1h 15m
ONT8:05 amOntario
Aug 11
ONT12:55 pmOntario
1h 20m
PHX2:15 pmPhoenix Sky Harbor Intl
$97
Find similar
Southwest
Aug 5
PHX8:15 amPhoenix Sky Harbor Intl
1h 15m
ONT9:30 amOntario
Aug 12
ONT2:45 pmOntario
6h 55m
1 stop
PHX9:40 pmPhoenix Sky Harbor Intl
$101
Find similar

Frontier flights from Phoenix Sky Harbor Intl Airport to Ontario

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Ontario flight tickets
Frontier
Aug 2
PHX7:00 amPhoenix Sky Harbor Intl
9h 20m
1 stop
ONT4:20 pmOntario
Aug 9
ONT5:13 pmOntario
4h 06m
1 stop
PHX9:19 pmPhoenix Sky Harbor Intl
$130
Find similar
Frontier
Aug 4
PHX6:00 amPhoenix Sky Harbor Intl
5h 53m
1 stop
ONT11:53 amOntario
Aug 11
ONT6:00 amOntario
5h 52m
1 stop
PHX11:52 amPhoenix Sky Harbor Intl
$134
Find similar
Frontier
Aug 1
PHX6:00 amPhoenix Sky Harbor Intl
5h 53m
1 stop
ONT11:53 amOntario
Aug 4
ONT6:00 amOntario
15h 19m
1 stop
PHX9:19 pmPhoenix Sky Harbor Intl
$140
Find similar

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, July is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $116. If you aren’t able to travel during the month of July, then book flights to Ontario from Phoenix Sky Harbor Intl Airport during October instead. Flights to Ontario in October, while not as cheap as those in July, still average around $191.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $203. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix Sky Harbor Intl Airport to Ontario for around $254.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Phoenix Sky Harbor Intl Airport to Ontario when you can find flight prices for as low as $187. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $261 on average. Flights to Ontario from Phoenix Sky Harbor Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Phoenix Sky Harbor Intl to Ontario flight route?

Fly from Phoenix Sky Harbor Intl to Ontario for the best Phoenix Sky Harbor Intl - Ontario flight prices

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $220 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Phoenix Sky Harbor Intl Airport for as low as $93 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to Ontario flights?

There are 2 cabin classes available to choose from on Phoenix Sky Harbor Intl to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to Ontario flights?

You could potentially save up to 10% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to Ontario flight.

How have Phoenix Sky Harbor Intl Airport to Ontario flight prices changed over time?

As of July 2025, prices for Phoenix Sky Harbor Intl Airport to Ontario flights are approximately 63% cheaper when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Ontario (PHX to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Ontario

Best Price Found

$46

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Phoenix Sky Harbor Intl Airport in the past 72 hours is $46. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Ontario found on momondo in the last 72 hours is $91.
The fastest flight from Phoenix Sky Harbor Intl Airport to Ontario takes 1h 10m
Direct flights go from Phoenix Sky Harbor Intl Airport to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)
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  • How far is Phoenix Sky Harbor Intl to Ontario by plane?

    Phoenix Sky Harbor Intl and Ontario are 327.4 mi apart from one another. Flights usually cover this in 1h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Ontario Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Ontario Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Ontario?

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Ontario?

Best airlines flying from Phoenix Sky Harbor Intl Airport to Ontario

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $43Free CancellationRating
5.9
3,271 reviews
Search Frontier flights
American AirlinesPriceFrom $123Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $130Free CancellationRating
8.0
4,249 reviews
Search Southwest flights

  • Southwest Flights From Phoenix Sky Harbor Intl Airport to Ontario

    Southwest flies from Phoenix Sky Harbor Intl Airport to Ontario around 25 times per week, with 4,250 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Phoenix Sky Harbor Intl Airport to Ontario in the last 72 hours was $130 (round-trip), much lower than the average airfare cost of $267 for Southwest flights on this route.

  • American Airlines Flights From Phoenix Sky Harbor Intl Airport to Ontario

    American Airlines (7.2/10 from 10,000 reviews) operates around 27 flights from Phoenix Sky Harbor Intl Airport to Ontario in any given week. The average American Airlines airfare for this route is around $275, with deals from around $123 rare but found on momondo. Referenced prices are for round-trip Phoenix Sky Harbor Intl Airport to Ontario flight searches in the last 72 hours.

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Phoenix.

Can I find flights from Phoenix to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Phoenix with this policy.

How can momondo help me find flights from Phoenix to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Phoenix.

I’m not ready to book a flight from Phoenix to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Phoenix are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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