$149 Cheap United flights Austin (AUS) to Portland (PWM)

You’ll discover affordable return United Airlines flights from $297 from AUS to PWM by sorting your results from “Price (lowest to highest)” on Expedia. Or look for options from $149 for a one-way trip.**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 return flights to Portland in January or February. You could find lower fares with United Airlines during these off-peak travel months.

Start searching one to three months ahead of your departure date to find cheap fares on United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to Portland Intl. Jetport Airport (PWM). 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.* Time it well, 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.

Click on the “Nonstop” filter when looking for direct United Airlines flights from AUS to PWM. It’s also a great way to compare other carriers servicing the same nonstop route.

To find the earliest departures from AUS to PWM with United Airlines, filter your results by “Morning” and “Early Morning.” Booking an early flight generally 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.

Portland Intl. Jetport Airport (PWM) is the main Portland hub for United Airlines flights from Austin-Bergstrom Intl. Airport (AUS).

Depart from AUS to PWM with United Airlines and you can look forward to a range of benefits including a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For more details about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to adjust your plans without additional costs, tick the “Changes included” or “No cancel fee” filter when planning your next trip.