$129 Cheap United flights Phoenix (PHX) to Newark Liberty Intl. Airport (EWR)

You'll find affordable return United Airlines flights from $237 from PHX to EWR by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from $129 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.

Start searching one to three months before your departure to get cheap fares on United Airlines flights from Sky Harbor Intl. Airport (PHX) to Liberty Intl. Airport (EWR). 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 reduce 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 the timing right, 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.

Departing PHX at 7:30AM UTC-7, the first United Airlines flight to EWR arrives at 2:09PM UTC-5. Traveling early means you're less likely to experience delays.* Prefer to travel later? The last United Airlines flight from PHX to EWR departs at 11:58PM UTC-7 and touches down at 6:31AM UTC-5.*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.

A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to travel from PHX to EWR with United Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* alongside United Airlines's loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.