Cheap Alaska Airlines flights Ontario (ONT) to Portland (PDX)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap Alaska Airlines return flights from $172 from ONT to PDX. Affordable one-way options are also on offer.**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.

Search for one-way or round-trip flights to Portland in January or December. You could find an affordable fare with Alaska Airlines during these quieter months.

To find cheap Alaska Airlines fares from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.

Depart on one of Alaska Airlines’s 18 direct weekly flights from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX). To view available options, enter your origin, dates and destination and hit search. Next, apply the “Nonstop” and “Airline” filters.

It takes around 2h 25m to fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX) with Alaska Airlines.

Alaska Airlines has the most flights from Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX) on Thursday. With up to 3 daily departures, you’ll get the most flexibility on this day.

Departing ONT at 7:00AM UTC-8, the earliest Alaska Airlines flight to PDX lands at 9:33AM UTC-8. Flying earlier in the day means you’ll be less likely to encounter delays or cancellations.* Don’t like early starts? The last Alaska Airlines flight from ONT to PDX departs at 6:39PM UTC-8 and touches down at 9:05PM UTC-8.*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.

Jump on an Alaska Airlines flight from Los Angeles - Ontario Intl. Airport (ONT) to Portland, and you’ll likely touch down at Portland Intl. Airport (PDX). This is the airline’s main hub in this city.

Flying from ONT to PDX with Alaska Airlines comes with a range of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That’s in addition to 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.

For the Los Angeles - Ontario Intl. Airport (ONT) to Portland Intl. Airport (PDX) route, Alaska Airlines typically uses Embraer 175 and Boeing 737-800 planes. Keep in mind that last-minute changes can occur for operational purposes, so your flight may be on another aircraft.

Changes are often free within 24 hours of booking, but your airline may charge you after that time. For more details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without additional costs, apply the “Changes included” or “No cancel fee” filter when planning your next trip.