$88 Cheap Alaska Airlines flights Boise (BOI) to Ontario (ONT)

View $88 flight on Mon, Jan 12, 2026Opens in a new window

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$88 Cheap Alaska Airlines flights Boise (BOI) to Ontario (ONT)

Prices were available within the past 7 days and start at $88 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Boise (BOI) to Ontario (ONT)
Origin airport
Boise
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Southwest Airlines
Distance
660 mi

Frequently asked questions

How much is an Alaska Airlines flight from Boise Airport (BOI) to Los Angeles - Ontario Intl. Airport (ONT)?
Scoring cheap one-way Alaska Airlines flights from BOI to ONT from $88 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares for your next exciting getaway.**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 BOI to ONT with Alaska Airlines?
Look for round-trip or one-way flights to Ontario in January or April. You could find cheaper fares with Alaska Airlines during these off-peak times.
What is the cheapest time to book flights from Boise Airport (BOI) to Los Angeles - Ontario Intl. Airport (ONT) with Alaska Airlines?
Search for affordable Alaska Airlines flights from Boise Airport (BOI) to Los Angeles - Ontario Intl. Airport (ONT) one to three months prior to your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 Boise Airport (BOI) to Los Angeles - Ontario Intl. Airport (ONT)?
To find out if there's a direct route from BOI to ONT with Alaska Airlines or any other airlines, check the "Nonstop" box when browsing for flights.
What is the earliest Alaska Airlines flight from BOI to ONT?
Sort your results by "Morning" and "Early Morning" to see the earliest flights from BOI to ONT. Heading off early means flight 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 Boise Airport (BOI) to Ontario come in to Los Angeles - Ontario Intl. Airport (ONT). This is the main entry point to this destination.
Why fly with Alaska Airlines from BOI to ONT?
Offering top-tier customer service and an excellent in-flight experience, Alaska Airlines is a favorite for many passengers heading from BOI to ONT. Plus, if you're a Mileage Plan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can go toward future travel purchases.*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 Boise Airport (BOI) to Los Angeles - Ontario Intl. Airport (ONT)?
Changes are typically free within 24 hours of booking, but your airline may add a charge after that time. For further details about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your itinerary without being charged, check the "Changes included" or "No cancel fee" filter when planning your trip.

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*Available to One Key members.