$164 Cheap United flights Phoenix (PHX) to Milwaukee (MKE)

You’ll find cheap round-trip United Airlines flights from $283 from PHX to MKE by sorting your results from “Price (lowest to highest)” on Expedia. Or look for options from $164 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.

January is one of the least expensive months to jet off to Milwaukee with United Airlines. You could also find great deals on one-way and round-trip fares in February.

Start searching one to three months before your departure to score cheaper fares on United Airlines flights from Sky Harbor Intl. Airport (PHX) to General Mitchell Intl. Airport (MKE). 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 your timing spot on, 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.

Use the “Nonstop” filter when looking for direct United Airlines flights from PHX to MKE. It’s also an easy way to compare other carriers offering the same nonstop journey.

To find the earliest departures from PHX to MKE with United Airlines, filter your search by “Morning” and “Early Morning.” Choosing an early flight usually 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.

General Mitchell Intl. Airport (MKE) is the primary Milwaukee gateway for United Airlines flights from Sky Harbor Intl. Airport (PHX).

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

Depending on the type of fare you purchased, a fee typically applies if you change or cancel your booking more than 24 hours after it’s confirmed. To secure flexible fares, select our “Changes included” or “No cancel fee” filter while searching for flights. For more information on changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”