$125 Cheap United flights Knoxville (TYS) to Portland (PDX)

You’ll find cheap round-trip United Airlines flights from $251 from TYS to PDX by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $125 for a one-way journey.**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 return or one-way flights to Portland in January or December. You could find cheaper fares with United Airlines during these off-peak times.

To find cheap United Airlines fares from McGhee Tyson Airport (TYS) to Portland Intl. Airport (PDX), start searching one to three months before your intended 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 affect what you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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.

Enter your dates, hit search and check the “Nonstop” filter on Expedia to browse any direct flights from TYS to PDX with United Airlines or other airlines.

To find the earliest departure from TYS to PDX with United Airlines, filter your results by “Early Morning” and “Morning.” Choosing an early flight usually 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 McGhee Tyson Airport (TYS) to Portland land at Portland Intl. Airport (PDX). This is the main gateway to this destination.

A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to travel from TYS to PDX with United Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can earn OneKeyCash™* alongside United Airlines’s loyalty program earnings. It’s yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Typically, you can cancel or reschedule your flight, although there may be additional fees if your booking was made over 24 hours ago. Need flexible options? Use Expedia’s “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to alter your plans. To modify your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more details.