Cheap flights from Milwaukee to Washington, D.C. from $72

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Milwaukee, with most prices found around $221. If you’re not able to fly to Washington, D.C. in September, then August is your next best option. Flight prices from Milwaukee to Washington, D.C. during August average around $266.

On average, the least expensive day to fly to Washington, D.C. from Milwaukee is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $308. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Milwaukee to Washington, D.C. for around $394.

In the afternoon is the cheapest time of day to fly from Milwaukee to Washington, D.C. when you can find flight prices for as low as $335. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $361. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Milwaukee-Mitchell to Washington, D.C. Reagan-National for the best Milwaukee-Mitchell - Washington, D.C. flight prices

There are 3 cabin classes available to choose from on Milwaukee-Mitchell to Washington, D.C. 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 18% on your flight if you consider stops on a Milwaukee to Washington, D.C. flight.

United Airlines, Delta, and Southwest are the most popular carriers operating from Milwaukee-Mitchell to Washington, D.C.

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. from Milwaukee according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 7 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Milwaukee and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

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

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

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.

Chicago (ORD) was the most common stop: 63% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $199.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 3h 53m.

Chicago (ORD) has the shortest average layover time for this route: 0h 53m.

As of February 2026, there are 2 flights per day flying from Milwaukee to Washington, D.C.. The most common time of day flights depart is 5:00AM, with 52% of flights taking off in the afternoon.

The number of flights available between Milwaukee and Washington, D.C. is 18 per week as of February 2026. The most frequent departure day is Mon, with 28% of weekly flights leaving on this day.