$99 Cheap Flights from Milwaukee (MKE) to Washington (IAD)

View $99 flight on Tue, Aug 19, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Milwaukee to Washington (MKE-IAD)

Prices were available within the past 7 days and start at $99 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jul 2 - Sat, Jul 5
MKE
Milwaukee
IAD
Washington
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jul 2 from Milwaukee to Washington, returning Sat, Jul 5, priced at $197 found 2 hours ago
Delta
Sat, Jun 14 - Sat, Jun 21
MKE
Milwaukee
IAD
Washington
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jun 14 from Milwaukee to Washington, returning Sat, Jun 21, priced at $198 found 1 day ago
Delta
Wed, Jul 23 - Wed, Jul 30
MKE
Milwaukee
IAD
Washington
$200 Roundtrip, found 8 hours ago
$200
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Jul 23 from Milwaukee to Washington, returning Wed, Jul 30, priced at $200 found 8 hours ago
United
Tue, Jul 1 - Sat, Jul 5
MKE
Milwaukee
IAD
Washington
$215 Roundtrip, found 9 hours ago
$215
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Jul 1 from Milwaukee to Washington, returning Sat, Jul 5, priced at $215 found 9 hours ago
United
Tue, Jun 3 - Tue, Jun 10
MKE
Milwaukee
IAD
Washington
$216 Roundtrip, found 1 day ago
$216
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 3 from Milwaukee to Washington, returning Tue, Jun 10, priced at $216 found 1 day ago
Delta
Wed, May 7 - Wed, May 14
MKE
Milwaukee
IAD
Washington
$217 Roundtrip, found 2 hours ago
$217
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, May 7 from Milwaukee to Washington, returning Wed, May 14, priced at $217 found 2 hours ago
Delta
Sat, Sep 6 - Sat, Sep 13
MKE
Milwaukee
IAD
Washington
$218 Roundtrip, found 3 hours ago
$218
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Sep 6 from Milwaukee to Washington, returning Sat, Sep 13, priced at $218 found 3 hours ago
United
Tue, Jul 8 - Thu, Jul 10
MKE
Milwaukee
IAD
Washington
$218 Roundtrip, found 5 hours ago
$218
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jul 8 from Milwaukee to Washington, returning Thu, Jul 10, priced at $218 found 5 hours ago
American Airlines
Sat, May 24 - Tue, May 27
MKE
Milwaukee
IAD
Washington
$259 Roundtrip, found 12 hours ago
$259
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, May 24 from Milwaukee to Washington, returning Tue, May 27, priced at $259 found 12 hours ago
Southwest Airlines
Wed, Jun 4 - Wed, Jun 11
MKE
Milwaukee
IAD
Washington
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Jun 4 from Milwaukee to Washington, returning Wed, Jun 11, priced at $283 found 4 days ago
Flights from Milwaukee (MKE) to Washington (IAD)
Origin airport
General Mitchell Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$196
Distance
610 mi

Milwaukee to Washington Flights

The cheapest times to fly from Milwaukee to Washington

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 Milwaukee to Washington are during the month of July. You can find some of the cheapest flights from Milwaukee to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Milwaukee to Washington

Sunday is one of the best days to book for cheap flights from Milwaukee to Washington: 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 Milwaukee to Washington

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 Milwaukee to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 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 Milwaukee to Washington 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 Milwaukee to Washington 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 General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from MKE to IAD 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 MKE to IAD?
The cheapest flights from MKE to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MKE to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MKE to IAD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD)?
There aren’t any daily nonstop flights available from General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you’ll be on your way in no time at all.
What day of the week has the most flights from MKE to IAD?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD)?
To touch down at Washington Dulles Intl. Airport (IAD) without delays, book a flight that leaves General Mitchell Intl. Airport (MKE) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Washington from General Mitchell Intl. Airport (MKE)?
If you’re catching a direct flight from General Mitchell Intl. Airport (MKE) to Washington, you can land at either Ronald Reagan Washington National Airport (DCA) or Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
Is it cheaper to buy a plane ticket from General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from MKE to IAD are typically more expensive. To lock in the best prices, start searching for flights ahead of time. That being said, if you’re flexible with your travel plans, you may land a cheap ticket just before your departure.
Is it cheaper to book a MKE to IAD flight and hotel package?
Compared with arranging hotels and flights separately, booking a MKE to IAD flight and hotel package with Expedia could lead to significant savings. What’s more, having it all in one place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD)?
If you reserved your MKE to IAD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you’d like more information.

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*Available to One Key members.