Cheap flights from Austin to Milwaukee from $121

The cheapest month to fly to Milwaukee from Austin is in August. Flight prices, which tend to average around $317, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Milwaukee, with average flight prices from Austin averaging around $347.

According to our data, Tuesday is the cheapest day to fly to Milwaukee from Austin. The lowest ticket price found for a Tuesday departure recently was $375. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Austin to Milwaukee on a Sunday will generally be more expensive and average around $600. 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 Austin to Milwaukee when you can find flight prices for as low as $393. 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 $432 per ticket.

Fly from Austin Bergstrom to Milwaukee-Mitchell for the best Austin Bergstrom - Milwaukee-Mitchell flight prices

You are more likely to see cheaper flights to Milwaukee from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from Austin for as low as $298 on momondo.

There is only 1 cabin class available to choose from on Austin to Milwaukee 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 40% on your flight if you consider stops on a Austin to Milwaukee flight.

As of July 2026, prices for Austin to Milwaukee flights are approximately 8% more expensive when compared to flights at the same time last year.

Frontier, Southwest, and Delta are the most popular carriers operating from Austin Bergstrom to Milwaukee-Mitchell

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Milwaukee from Austin according to our data. American Airlines is the first choice among our users, with 42% 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.

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Nashville (BNA) offer the lowest average round-trip price of $424.

Flights connecting via Nashville (BNA) have the shortest average one-way travel time: 4h 32m.

Nashville (BNA) has the shortest average layover time for this route: 0h 57m.