$119 Cheap Alaska Airlines flights Ontario (ONT) to Pasco (PSC)

View $119 flight on Tue, Nov 4, 2025Opens in a new window

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$119 Cheap Alaska Airlines flights Ontario (ONT) to Pasco (PSC)

Prices were available within the past 7 days and start at $119 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Ontario (ONT) to Pasco (PSC)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
846 mi

Frequently asked questions

How much is an Alaska Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC)?
Finding cheap one-way Alaska Airlines flights from ONT to PSC from $119 on Expedia couldn't be easier — just filter by "Price (lowest to highest)." Or check out our affordable return fares for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to PSC with Alaska Airlines?
January is one of the least expensive months to jet off to Pasco with Alaska Airlines. You could also find excellent prices on one-way and round-trip fares in February.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC) with Alaska Airlines?
Begin your search one to three months ahead of your departure date to get cheaper fares on Alaska Airlines flights from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Alaska Airlines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC)?
To see if there's a direct journey from ONT to PSC with Alaska Airlines or another airline, select the "Nonstop" filter when searching for flights.
What is the earliest Alaska Airlines flight from ONT to PSC?
To find the earliest departures from ONT to PSC with Alaska Airlines, sort your results by "Morning" and "Early Morning." Choosing an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Alaska Airlines fly into in Pasco?
Tri-Cities Airport (PSC) is the main Pasco hub for Alaska Airlines flights from Los Angeles - Ontario Intl. Airport (ONT).
Why fly with Alaska Airlines from ONT to PSC?
Taking off from ONT to PSC with Alaska Airlines comes with a range of perks, including a rewarding loyalty program and top-tier customer service. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That's on top of the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport (PSC)?
In most cases, you can cancel or reschedule your flight, although additional fees may apply if you made your booking more than 24 hours ago. Prefer to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you need to alter your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for more information.
*Available to One Key members.