$81 Cheap Flights from Baltimore (BWI) to Milwaukee (MKE)

Popular airlines from Baltimore Washington Intl. Airport (BWI) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from Baltimore to Milwaukee (BWI-MKE)

Prices were available within the past 7 days and start at $81 for one-way flights and $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
United
United
United
Southwest Airlines
Spirit Airlines
Delta
United
American Airlines
Southwest Airlines

Find the cheapest month to fly from Baltimore (BWI) to Milwaukee (MKE)

May is typically the cheapest month to fly

From $94 - $497 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.

Flights from Baltimore (BWI) to Milwaukee (MKE)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
General Mitchell Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$181
Distance
639 mi
Average flight time
1 hour 6 mins

Baltimore to Milwaukee Flights

The cheapest times to fly from Baltimore 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 Baltimore to Milwaukee are during the month of August. You can find some of the cheapest flights from Baltimore to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Milwaukee

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $81 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 Baltimore 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 Baltimore 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE) cost?
Cheap return flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE) start from $217. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving BWI on August 19 2025 and touching down at MKE. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BWI to MKE?
The cheapest flights from BWI 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE)?
You can fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE) on a Southwest Airlines flight.
What is the cheapest airline that flies from BWI to MKE?
With prices starting from $109 for a one-way flight from BWI to MKE, Southwest Airlines is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BWI on October 14 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE)?
On average, Baltimore Washington Intl. Thurgood Marshall Airport (BWI) only offers 1 direct flight to General Mitchell Intl. Airport (MKE) daily. For more choices, try our easy-to-use filters. Simply enter your preferred travel dates, then select "1 Stop" or "2+ Stops" to find flights with layovers.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE)?
More travelers fly between BWI and MKE at 2 PM than at any other point in the day. Rather skip the crowds? Try choosing a quieter departure window and you're likely to save on your ticket as well.
What day of the week has the most flights from BWI to MKE?
If you depart on a Friday, you'll get the widest range of options for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE).
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE)?
Take the earliest flight at around 9:50AM UTC-5, heading out of Baltimore Washington Intl. Thurgood Marshall Airport (BWI). You'll be flying for around 2h 10m, touching down at General Mitchell Intl. Airport (MKE) at approximately 11:00AM UTC-6.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE)?
It takes approximately 2 hours and 7 minutes to fly the 640 mi from BWI to MKE.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE)?
To arrive at General Mitchell Intl. Airport (MKE) without delays, choose a flight that takes off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Milwaukee from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
General Mitchell Intl. Airport (MKE) is the only airport in Milwaukee with direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Consider the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE) last-minute?
Waiting until just before your trip to book your flight from BWI to MKE often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a BWI to MKE flight and hotel package?
Compared with arranging hotels and flights separately, booking a BWI to MKE flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to General Mitchell Intl. Airport (MKE)?
Typically, you're able to cancel or reschedule your BWI to MKE flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more information, visit our Customer Service portal.

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