$99 Cheap United flights Los Angeles (LAX) to Portland (PDX)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap United Airlines return flights from $162 from LAX to PDX. Affordable one-way tickets from $99 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.

January is one of the cheapest months to travel to Portland with United Airlines. You could also find great prices on one-way and return fares in December.

Begin your search one to three months ahead of your travel date to score cheap fares on United Airlines flights from Los Angeles Intl. Airport (LAX) to Portland Intl. Airport (PDX). 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 spot on, and you can enjoy significant savings on domestic flights.*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.

Use our “Nonstop” filter when looking for direct United Airlines flights from LAX to PDX. It’s also an easy way to compare other airlines offering the same nonstop route.

To find the earliest departure from LAX to PDX with United Airlines, filter your results by “Morning” and “Early 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.

United Airlines flights from Los Angeles Intl. Airport (LAX) to Portland touch down at Portland Intl. Airport (PDX). This is the main gateway to this destination.

With a rewarding loyalty program, United Airlines is a top choice for many travelers heading from LAX to PDX. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to cancel or reschedule your flight, although additional charges may apply if you booked more than 24 hours ago. Need flexible options? Apply the “No cancel fee” or “Changes included” filter to find flights that won’t charge extra if you have to revise your plans. To make changes, head to “Trips,” select your flight and click on “Manage Booking” for more information.