Cheap flights from Milwaukee to Phoenix from $129

In general, September is the cheapest month to fly from Milwaukee to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $316. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of September, then departing from Milwaukee during the month August is also very affordable. Most momondo users find prices during this month for around $324.

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Milwaukee is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $364. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $440. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

At noon is the cheapest time of day to fly from Milwaukee to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $371. Flying to Phoenix Sky Harbor Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $422. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $357 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Milwaukee for as low as $316 on momondo.

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

You could potentially save up to 19% on your flight if you consider stops on a Milwaukee to Phoenix Sky Harbor Intl Airport flight.

As of July 2026, prices for Milwaukee to Phoenix Sky Harbor Intl Airport flights are approximately 4% more expensive when compared to flights at the same time last year.

Southwest, Delta, and Sun Country Air are the most popular carriers operating from Milwaukee-Mitchell to Phoenix Sky Harbor Intl

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from Milwaukee 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 Phoenix Sky Harbor Intl Airport. Keep in mind that there are 9 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Milwaukee and Phoenix have experienced a delay on any given week. The average delay length over the past 12 months has been 146 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

Kansas City (MCI) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Kansas City (MCI) offer the lowest average round-trip price of $263.

Flights connecting via Kansas City (MCI) have the shortest average one-way travel time: 5h 19m.

Kansas City (MCI) has the shortest average layover time for this route: 0h 57m.

As of July 2026, there are 2 flights per day flying from Milwaukee to Phoenix Sky Harbor Intl Airport. The most common time of day flights depart is 7:00AM, with 55% of flights taking off at noon.

As of July 2026, there are 19 flights per week flying from Milwaukee to Phoenix Sky Harbor Intl Airport. The most common day of the week flights depart is Sat, with 21% of flights taking off on this day.