Cheap flights from Milwaukee to Austin from $120

The cheapest month to fly to Austin from Milwaukee is in September. Flight prices, which tend to average around $313, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in September, then January is your next best option. Flight prices from Milwaukee to Austin during January average around $317.

The cheapest day to depart on your flight to Austin is on a Tuesday when prices can be found for as low as $349. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Milwaukee to Austin for around $483.

In the afternoon is the cheapest time of day to fly from Milwaukee to Austin when you can find flight prices for as low as $319. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $437. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Austin from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $375 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Milwaukee for as low as $330 on momondo.

There is only 1 cabin class available to choose from on Milwaukee-Mitchell to Austin Bergstrom 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 4% on your flight if you consider stops on a Milwaukee to Austin flight.

As of March 2026, prices for Milwaukee to Austin flights are approximately 18% cheaper when compared to flights at the same time last year.

Frontier is the most popular carrier operating from Milwaukee-Mitchell to Austin Bergstrom

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Austin 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 Austin. Keep in mind that there are 6 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

The number of flights available between Milwaukee and Austin is 1 per day as of March 2026. The most frequent departure time is 12:00PM, with 100% of daily flights leaving in the afternoon.

The number of flights available between Milwaukee and Austin is 8 per week as of March 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.