Cheap flights from Philadelphia to Milwaukee from $122

The cheapest month to fly to Milwaukee from Philadelphia is in January. Flight prices, which tend to average around $385, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Milwaukee, with average flight prices from Philadelphia averaging around $393.

According to our data, Wednesday is the cheapest day to fly to Milwaukee from Philadelphia. The lowest ticket price found for a Wednesday departure recently was $393. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Philadelphia to Milwaukee on a Monday will generally be more expensive and average around $679. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

At noon is the cheapest time of day to fly from Philadelphia to Milwaukee when you can find flight prices for as low as $404. Flying to Milwaukee at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $447 per ticket.

Fly from Philadelphia to Milwaukee-Mitchell for the best Philadelphia - Milwaukee-Mitchell flight prices

You are more likely to see cheaper flights to Milwaukee from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $434 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from Philadelphia for as low as $346 on momondo.

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

No. A direct flight is the cheapest option for a flight between Philadelphia to Milwaukee.

As of August 2026, prices for Philadelphia to Milwaukee flights are approximately 477% more expensive when compared to flights at the same time last year.

Delta and Southwest are the most popular carriers operating from Philadelphia to Milwaukee-Mitchell

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Milwaukee from Philadelphia according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 6 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.

Detroit (DTW) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Chicago (MDW) offer the lowest average round-trip price of $467.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 3h 32m.

Detroit (DTW) has the shortest average layover time for this route: 1h 26m.