$114 Cheap Flights from Washington (IAD) to Milwaukee (MKE)

View $114 flight on Wed, Aug 27, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Washington to Milwaukee (IAD-MKE)

Prices were available within the past 7 days and start at $114 for one-way flights and $213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 25 - Thu, Nov 27
IAD
Washington
MKE
Milwaukee
$213 Roundtrip, found 5 days ago
$213
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 25 from Washington to Milwaukee, returning Thu, Nov 27, priced at $213 found 5 days ago
United
Thu, Oct 2 - Sat, Oct 4
IAD
Washington
MKE
Milwaukee
$216 Roundtrip, found 4 days ago
$216
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 2 from Washington to Milwaukee, returning Sat, Oct 4, priced at $216 found 4 days ago
Delta
Mon, Aug 18 - Mon, Aug 25
IAD
Washington
MKE
Milwaukee
$218 Roundtrip, found 6 days ago
$218
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Aug 18 from Washington to Milwaukee, returning Mon, Aug 25, priced at $218 found 6 days ago
United
Mon, Sep 15 - Thu, Sep 18
IAD
Washington
MKE
Milwaukee
$220 Roundtrip, found 6 days ago
$220
Roundtrip
found 6 days ago
Select United flight, departing Mon, Sep 15 from Washington to Milwaukee, returning Thu, Sep 18, priced at $220 found 6 days ago
Delta
Fri, Aug 22 - Fri, Aug 29
IAD
Washington
MKE
Milwaukee
$221 Roundtrip, found 5 days ago
$221
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Aug 22 from Washington to Milwaukee, returning Fri, Aug 29, priced at $221 found 5 days ago
United
Tue, Sep 9 - Sat, Sep 13
IAD
Washington
MKE
Milwaukee
$227 Roundtrip, just found
$227
Roundtrip
just found
Select United flight, departing Tue, Sep 9 from Washington to Milwaukee, returning Sat, Sep 13, priced at $227 just found
United
Sat, Nov 1 - Tue, Nov 4
IAD
Washington
MKE
Milwaukee
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from Washington to Milwaukee, returning Tue, Nov 4, priced at $228 found 1 day ago
American Airlines
Sat, Aug 23 - Sat, Aug 30
IAD
Washington
MKE
Milwaukee
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 23 from Washington to Milwaukee, returning Sat, Aug 30, priced at $241 found 1 day ago
Southwest Airlines
Tue, Sep 16 - Thu, Sep 18
IAD
Washington
MKE
Milwaukee
$252 Roundtrip, found 5 hours ago
$252
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Tue, Sep 16 from Washington to Milwaukee, returning Thu, Sep 18, priced at $252 found 5 hours ago
Frontier Airlines
Sat, Dec 20 - Sun, Dec 28
IAD
Washington
MKE
Milwaukee
$666 Roundtrip, found 1 hour ago
$666
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Dec 20 from Washington to Milwaukee, returning Sun, Dec 28, priced at $666 found 1 hour ago

Find the cheapest month to fly from Washington (IAD) to Milwaukee (MKE)

October is typically the cheapest month to fly

From $176 - $544 per traveler.

Graph displaying average flight prices per month

Alternative airports near Milwaukee

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Mitchell Intl. MKE. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $247
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $247
Flights from Washington (IAD) to Milwaukee (MKE)
Origin airport
Washington Dulles Intl.
Destination airport
General Mitchell Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$212
Distance
610 mi

Washington to Milwaukee Flights

The cheapest times to fly from Washington to Milwaukee

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Milwaukee are during the month of November. You can find some of the cheapest flights from Washington to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Milwaukee

Sunday is one of the best days to book for cheap flights from Washington to Milwaukee: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Milwaukee

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $114 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Milwaukee flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Milwaukee airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE) cost?
Discover the latest flight deals from IAD to MKE by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAD to MKE?
The cheapest flights from IAD to MKE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE)?
You can't fly nonstop to General Mitchell Intl. Airport (MKE) from Washington, DC (IAD-Washington Dulles Intl.). However, you can easily travel to Milwaukee without any layovers by leaving from Ronald Reagan Washington National Airport (DCA).
What is the cheapest airline that flies from IAD to MKE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAD to MKE. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE)?
Direct flights from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to MKE?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE)?
Select a flight from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE) last-minute?
Last-minute bookings from IAD to MKE are usually more expensive. For the lowest rates, start searching for flights as early as possible. That being said, if you can play around with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book an IAD to MKE flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to MKE flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to General Mitchell Intl. Airport (MKE)?
You can usually reschedule or cancel your IAD to MKE flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.