$158 Cheap Flights from Palm Springs (PSP) to Ontario (ONT)

View $158 flight on Tue, Jan 20, 2026Opens in a new window

Popular airlines from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT)

Cheap Flights from Palm Springs to Ontario (PSP-ONT)

Prices were available within the past 7 days and start at $158 for one-way flights and $302 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Jan 21 - Sat, Jan 24
PSP
Palm Springs
ONT
Ontario
$302 Roundtrip, found 10 hours ago
$302
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Palm Springs to Ontario, returning Sat, Jan 24, priced at $302 found 10 hours ago
Hawaiian Airlines
Wed, Jan 21 - Fri, Jan 23
PSP
Palm Springs
ONT
Ontario
$312 Roundtrip, found 10 hours ago
$312
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Palm Springs to Ontario, returning Fri, Jan 23, priced at $312 found 10 hours ago
Hawaiian Airlines
Wed, Jan 21 - Sun, Jan 25
PSP
Palm Springs
ONT
Ontario
$322 Roundtrip, found 10 hours ago
$322
Roundtrip
found 10 hours ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Palm Springs to Ontario, returning Sun, Jan 25, priced at $322 found 10 hours ago
Delta
Sat, Dec 6 - Tue, Dec 23
PSP
Palm Springs
ONT
Ontario
$323 Roundtrip, found 11 hours ago
$323
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, Dec 6 from Palm Springs to Ontario, returning Tue, Dec 23, priced at $323 found 11 hours ago
Alaska Airlines
Tue, Jan 20 - Sun, Jan 25
PSP
Palm Springs
ONT
Ontario
$332 Roundtrip, found 10 hours ago
$332
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Tue, Jan 20 from Palm Springs to Ontario, returning Sun, Jan 25, priced at $332 found 10 hours ago
Delta
Mon, Dec 8 - Tue, Dec 23
PSP
Palm Springs
ONT
Ontario
$333 Roundtrip, found 11 hours ago
$333
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, Dec 8 from Palm Springs to Ontario, returning Tue, Dec 23, priced at $333 found 11 hours ago
Alaska Airlines
Thu, Jan 22 - Sun, Jan 25
PSP
Palm Springs
ONT
Ontario
$342 Roundtrip, found 10 hours ago
$342
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Thu, Jan 22 from Palm Springs to Ontario, returning Sun, Jan 25, priced at $342 found 10 hours ago
Delta
Sat, Dec 6 - Mon, Dec 22
PSP
Palm Springs
ONT
Ontario
$343 Roundtrip, found 11 hours ago
$343
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, Dec 6 from Palm Springs to Ontario, returning Mon, Dec 22, priced at $343 found 11 hours ago
Southwest Airlines
Thu, Jan 8 - Sun, Jan 11
PSP
Palm Springs
ONT
Ontario
$366 Roundtrip, found 3 days ago
$366
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Jan 8 from Palm Springs to Ontario, returning Sun, Jan 11, priced at $366 found 3 days ago
United
Tue, Jan 6 - Thu, Jan 8
PSP
Palm Springs
ONT
Ontario
$375 Roundtrip, found 3 days ago
$375
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jan 6 from Palm Springs to Ontario, returning Thu, Jan 8, priced at $375 found 3 days ago

Find the cheapest month to fly from Palm Springs (PSP) to Ontario (ONT)

January is typically the cheapest month to fly

From $226 - $901 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Cheapest option available. Average driving time to city center is 42 minutes. Flights from $367
SNA
John Wayne
Cheapest
Average driving time to city center42 min
Flights from $367
Flights from Palm Springs (PSP) to Ontario (ONT)
Origin airport
Palm Springs Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$302
Distance
64 mi

Palm Springs to Ontario Flights

The cheapest times to fly from Palm Springs to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Palm Springs to Ontario are during the month of January. You can find some of the cheapest flights from Palm Springs to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Palm Springs to Ontario

Sunday is one of the best days to book for cheap flights from Palm Springs to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Palm Springs to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Palm Springs to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $158 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Palm Springs to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Palm Springs to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Secure a cheap one-way flight from $158 or cheap return flight from $302 from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT)?
The cheapest month to fly from PSP to ONT is January, when demand is low. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT)?
To find the cheapest airline flying from PSP to ONT, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT)?
Direct flights from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PSP to ONT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT)?
Book a flight from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT) that leaves before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ontario from Palm Springs Intl. Airport (PSP)?
If you've booked a direct flight from Palm Springs Intl. Airport (PSP) to Ontario, Los Angeles Intl. Airport (LAX) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your plane ticket from PSP to ONT shortly before your getaway is generally more expensive. However, if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a PSP to ONT flight and hotel package?
You'll generally save money by booking a PSP to ONT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your ideal flights and accommodations, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Palm Springs Intl. Airport (PSP) to Los Angeles - Ontario Intl. Airport (ONT)?
If you reserved your PSP to ONT flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.