$118 Cheap Alaska Airlines flights Redmond (RDM) to Ontario (ONT)

View $118 flight on Thu, Sep 18, 2025Opens in a new window

$118 Cheap Alaska Airlines flights Redmond (RDM) to Ontario (ONT)

Prices were available within the past 7 days and start at $118 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Redmond (RDM) to Ontario (ONT)
Origin airport
Robert's Field
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Delta
Distance
729 mi

Frequently asked questions

How much is an Alaska Airlines flight from Robert's Field Airport (RDM) to Los Angeles - Ontario Intl. Airport (ONT)?
Apply the "Price (lowest to highest)" filter on Expedia to search for cheap Alaska Airlines round-trip flights from RDM to ONT. Affordable one-way tickets from $118 are available as well.**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 RDM to ONT with Alaska Airlines?
Alaska Airlines flights to Ontario are typically cheaper in the low-season months of January and April. Whether you're after a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from Robert's Field Airport (RDM) to Los Angeles - Ontario Intl. Airport (ONT) with Alaska Airlines?
Start searching one to three months ahead of your departure date to score cheap fares on Alaska Airlines flights from Robert's Field Airport (RDM) to Los Angeles - Ontario Intl. Airport (ONT). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce 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 Robert's Field Airport (RDM) to Los Angeles - Ontario Intl. Airport (ONT)?
To see if there's a direct trip from RDM to ONT with Alaska Airlines or another carrier, check the "Nonstop" box when looking for flights.
What is the earliest Alaska Airlines flight from RDM to ONT?
To find the earliest departures from RDM to ONT with Alaska Airlines, sort your results by "Early Morning" and "Morning." Booking an early flight generally means cancellations are less likely.**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 Ontario?
Alaska Airlines flights from Robert's Field Airport (RDM) to Ontario arrive at Los Angeles - Ontario Intl. Airport (ONT). This is the main gateway to this destination.
Why fly with Alaska Airlines from RDM to ONT?
Heading from RDM to ONT with Alaska Airlines comes with a host of benefits, including top-tier customer service and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend 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 Robert's Field Airport (RDM) to Los Angeles - Ontario Intl. Airport (ONT)?
Changes are often free within 24 hours of making your booking, but your airline may add a charge after that. For more details about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your itinerary without additional charges, tick the "No cancel fee" or "Changes included" filter when planning your next break.

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*Available to One Key members.