Cheap flights from Phoenix to Milwaukee from $89

The cheapest month to fly to Milwaukee from Phoenix is in February. Flight prices, which tend to average around $44, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Milwaukee, with average flight prices from Phoenix averaging around $58.

According to our data, Saturday is the cheapest day to fly to Milwaukee from Phoenix. The lowest ticket price found for a Saturday departure recently was $338. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Phoenix to Milwaukee on a Sunday will generally be more expensive and average around $412. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

In the afternoon is the cheapest time of day to fly from Phoenix to Milwaukee when you can find flight prices for as low as $361. Flying to Milwaukee in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $375 per ticket.

Fly from Phoenix Sky Harbor Intl to Milwaukee-Mitchell for the best Phoenix - Milwaukee-Mitchell flight prices

You are more likely to see cheaper flights to Milwaukee from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $357 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from Phoenix for as low as $300 on momondo.

There are 3 cabin classes available to choose from on Phoenix to Milwaukee flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Frontier, and Southwest are the most popular carriers operating from Phoenix to Milwaukee-Mitchell

American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Milwaukee from Phoenix according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 8 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 3 flights per day flying from Phoenix to Milwaukee. The most common time of day flights depart is 4:00PM, with 60% of flights taking off in the afternoon.

As of June 2026, 23 flights take off from Phoenix and land in Milwaukee each week. The most common flight departure day for this route is Sat, with 22% of weekly flights taking off on this day.