$157 Cheap Flights from Yakima (YKM) to Ontario (ONT)

View $157 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Yakima, WA (YKM-Yakima Air Terminal - McAllister Field) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Yakima to Ontario (YKM-ONT)

Prices were available within the past 7 days and start at $157 for one-way flights and $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Aug 26 - Sat, Sep 13
YKM
Yakima
ONT
Ontario
$274 Roundtrip, found 14 hours ago
$274
Roundtrip
found 14 hours ago
Select Hawaiian Airlines flight, departing Tue, Aug 26 from Yakima to Ontario, returning Sat, Sep 13, priced at $274 found 14 hours ago
Hawaiian Airlines
Sun, Aug 31 - Sat, Sep 13
YKM
Yakima
ONT
Ontario
$276 Roundtrip, found 14 hours ago
$276
Roundtrip
found 14 hours ago
Select Hawaiian Airlines flight, departing Sun, Aug 31 from Yakima to Ontario, returning Sat, Sep 13, priced at $276 found 14 hours ago
Alaska Airlines
Sat, Sep 20 - Sat, Sep 27
YKM
Yakima
ONT
Ontario
$278 Roundtrip, found 11 hours ago
$278
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Sep 20 from Yakima to Ontario, returning Sat, Sep 27, priced at $278 found 11 hours ago
Alaska Airlines
Sat, Sep 20 - Sat, Sep 27
YKM
Yakima
ONT
Ontario
$285 Roundtrip, found 11 hours ago
$285
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Sep 20 from Yakima to Ontario, returning Sat, Sep 27, priced at $285 found 11 hours ago
Hawaiian Airlines
Tue, Sep 23 - Thu, Oct 16
YKM
Yakima
ONT
Ontario
$287 Roundtrip, found 14 hours ago
$287
Roundtrip
found 14 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 23 from Yakima to Ontario, returning Thu, Oct 16, priced at $287 found 14 hours ago
Hawaiian Airlines
Mon, Aug 25 - Sun, Aug 31
YKM
Yakima
ONT
Ontario
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Aug 25 from Yakima to Ontario, returning Sun, Aug 31, priced at $288 found 1 day ago
Hawaiian Airlines
Tue, Sep 16 - Sat, Oct 4
YKM
Yakima
ONT
Ontario
$289 Roundtrip, found 14 hours ago
$289
Roundtrip
found 14 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Yakima to Ontario, returning Sat, Oct 4, priced at $289 found 14 hours ago
Alaska Airlines
Sat, Aug 30 - Sat, Sep 6
YKM
Yakima
ONT
Ontario
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Yakima to Ontario, returning Sat, Sep 6, priced at $291 found 1 day ago
Hawaiian Airlines
Tue, Sep 2 - Tue, Sep 9
YKM
Yakima
ONT
Ontario
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep 2 from Yakima to Ontario, returning Tue, Sep 9, priced at $294 found 1 day ago
American Airlines
Tue, Nov 18 - Thu, Nov 20
YKM
Yakima
ONT
Ontario
$720 Roundtrip, found 1 day ago
$720
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 18 from Yakima to Ontario, returning Thu, Nov 20, priced at $720 found 1 day ago

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. Average driving time to city center is 42 minutes. Flights from $455
SNA
John Wayne
Average driving time to city center42 min
Flights from $455
Flights from Yakima (YKM) to Ontario (ONT)
Origin airport
Yakima Air Terminal - McAllister Field
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$274
Distance
877 mi

Yakima to Ontario Flights

The cheapest times to fly from Yakima 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 Yakima to Ontario are during the month of August. You can find some of the cheapest flights from Yakima to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Yakima to Ontario

Sunday is one of the best days to book for cheap flights from Yakima 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 Yakima 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 Yakima to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $157 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 Yakima 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 Yakima 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 Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Snag a cheap one-way flight from $157 or cheap return flight from $274 from Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT)?
Planning your trip for August is a good way to save, as it's the cheapest month for flights between YKM and ONT. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT)?
To find the cheapest airline that'll fly you from YKM to ONT, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT)?
There are no daily direct flights available from Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from YKM to ONT?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid possible delays on the Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being 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.
Is it cheaper to buy a plane ticket from Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Waiting until right before your break to book your flight from YKM to ONT often results in higher prices. Although you may find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of snagging a bargain.
Is it cheaper to book a YKM to ONT flight and hotel package?
Opting for a YKM to ONT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our wide range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Yakima Air Terminal - McAllister Field Airport (YKM) to Los Angeles - Ontario Intl. Airport (ONT)?
In most cases, you're able to cancel or reschedule your YKM to ONT flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.