$86 Cheap Flights from Milwaukee (MKE) to Washington (IAD)

View $86 flight on Wed, Jan 7, 2026Opens in a new window

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

Cheap Flights from Milwaukee to Washington (MKE-IAD)

Prices were available within the past 7 days and start at $86 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 10 - Tue, Dec 16
MKE
Milwaukee
IAD
Washington
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Delta flight, departing Wed, Dec 10 from Milwaukee to Washington, returning Tue, Dec 16, priced at $227 just found
Delta
Sat, Dec 13 - Tue, Dec 16
MKE
Milwaukee
IAD
Washington
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Delta flight, departing Sat, Dec 13 from Milwaukee to Washington, returning Tue, Dec 16, priced at $237 just found
United
Wed, Feb 11 - Tue, Feb 24
MKE
Milwaukee
IAD
Washington
$247 Roundtrip, found 6 hours ago
$247
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Feb 11 from Milwaukee to Washington, returning Tue, Feb 24, priced at $247 found 6 hours ago
United
Wed, Nov 26 - Sat, Dec 6
MKE
Milwaukee
IAD
Washington
$251 Roundtrip, found 3 days ago
$251
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 26 from Milwaukee to Washington, returning Sat, Dec 6, priced at $251 found 3 days ago
United
Wed, Nov 26 - Thu, Nov 27
MKE
Milwaukee
IAD
Washington
$254 Roundtrip, found 2 days ago
$254
Roundtrip
found 2 days ago
Select United flight, departing Wed, Nov 26 from Milwaukee to Washington, returning Thu, Nov 27, priced at $254 found 2 days ago
Delta
Sat, Dec 13 - Mon, Dec 15
MKE
Milwaukee
IAD
Washington
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Delta flight, departing Sat, Dec 13 from Milwaukee to Washington, returning Mon, Dec 15, priced at $257 just found
Southwest Airlines
Mon, Dec 8 - Wed, Dec 10
MKE
Milwaukee
IAD
Washington
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Milwaukee to Washington, returning Wed, Dec 10, priced at $259 found 4 days ago
Frontier Airlines
Sat, Dec 20 - Sat, Jan 10
MKE
Milwaukee
IAD
Washington
$260 Roundtrip, found 17 hours ago
$260
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Sat, Dec 20 from Milwaukee to Washington, returning Sat, Jan 10, priced at $260 found 17 hours ago
Southwest Airlines
Wed, Nov 19 - Wed, Dec 3
MKE
Milwaukee
IAD
Washington
$264 Roundtrip, found 6 days ago
$264
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Nov 19 from Milwaukee to Washington, returning Wed, Dec 3, priced at $264 found 6 days ago
American Airlines
Thu, Dec 25 - Tue, Dec 30
MKE
Milwaukee
IAD
Washington
$287 Roundtrip, found 12 hours ago
$287
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Dec 25 from Milwaukee to Washington, returning Tue, Dec 30, priced at $287 found 12 hours ago

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

September is typically the cheapest month to fly

From $183 - $672 per traveler.

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $289
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $289
Flights from Milwaukee (MKE) to Washington (IAD)
Origin airport
General Mitchell Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$226
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 December. 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 $86 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?
Secure a cheap one-way flight from $86 or cheap return flight from $227 from General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD)?
Planning your trip for December may help you find better deals, as it's the cheapest month for flights between MKE and IAD. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from General Mitchell Intl. Airport (MKE) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from MKE to IAD, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
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.