$126 Cheap United flights Portland (PWM) to Phoenix (PHX)

Finding cheap one-way United Airlines flights from PWM to PHX from $126 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $237 for your next exciting getaway.**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.

July is one of the most affordable months to jet off to Phoenix with United Airlines. You could also find fantastic deals on one-way and return fares in August.

For cheap United Airlines fares from Portland Intl. Jetport Airport (PWM) to Sky Harbor Intl. Airport (PHX), 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 influence what you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight 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.

Fill in your dates, hit search and check the “Nonstop” filter on Expedia to browse any direct flights from PWM to PHX with United Airlines or other airlines.

Find United Airlines’s earliest flights from PWM to PHX by checking our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**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.

Sky Harbor Intl. Airport (PHX) is the main Phoenix gateway for United Airlines flights from Portland Intl. Jetport Airport (PWM).

With a rewarding loyalty program, United Airlines is a favorite of many travelers journeying from PWM to PHX. Plus, if you’re 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.

Depending on your ticket type, a fee typically applies if you cancel or reschedule your flight more than 24 hours after confirmation. To find plane tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when you search for flights. For more details on canceling or changing your reservation, head to “Trips,” select your flight and click on “Manage Booking.”