$144 Cheap United flights Tulsa (TUL) to Portland (PDX)

Landing cheap one-way United Airlines flights from TUL to PDX from $144 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $287 for your next break.**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.

Look for one-way or return flights to Portland in January or December. You could find cheaper fares with United Airlines during these off-peak travel months.

Begin your search one to three months ahead of your departure date to get cheaper fares on United Airlines flights from Tulsa Intl. Airport (TUL) to Portland Intl. Airport (PDX). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to 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.* Nail your timing, and you can enjoy significant savings on domestic journeys.*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.

Fill in your dates, hit search and tick the “Nonstop” filter on Expedia to browse any direct flights from TUL to PDX with United Airlines or another airline.

Sort your results by “Morning” and “Early Morning” to browse the earliest departures from TUL to PDX. Taking off early 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. Airport (PDX) is the main Portland hub for United Airlines flights from Tulsa Intl. Airport (TUL).

A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to travel from TUL to PDX with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* in addition to 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.

Changes are often free within 24 hours of booking, but your airline may charge you after that. For more information about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your itinerary without extra charges, check the “Changes included” and “No cancel fee” filters when organizing your next getaway.