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$129 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 $129 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Southwest Airlines
Frontier Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Frontier Airlines
United
American Airlines
Delta

Alternative airports near Milwaukee

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

What you need to know for your flight from Baltimore Washington Intl. Thurgood Marshall to General Mitchell Intl.

Baltimore (BWI) to Milwaukee (MKE) at a glance

Travel between Baltimore (BWI) and Milwaukee (MKE) with a selection of airlines offering convenient routes for this domestic short-haul journey. Evaluate the choices available from both full-service and low-cost carriers to discover the best fit for your budget and travel plans. As you prepare to explore Milwaukee’s iconic attractions and vibrant neighborhoods, find essential details about flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to General Mitchell International Airport (MKE).

  • Fastest flight duration: around 2 hours non-stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 13 departures on average
  • Typical fares (one-way): economy tickets often range from $105–$425, depending on seasonality and how far ahead you book

Flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to General Mitchell International Airport (MKE)

According to recent traveler bookings, the most popular airlines flying from Baltimore to Milwaukee primarily offer non-stop and one-stop flights. Common layover points include O'Hare International Airport (ORD) with a layover of about 1 hour and 15 minutes, Detroit Metropolitan Wayne County Airport (DTW) with an approximately 1-hour layover, and Charlotte-Douglas International Airport (CLT), which also has a layover of around 1 hour and 15 minutes. This variety allows you to tailor your itinerary based on price, total travel time, and cabin class.

  • Southwest Airlines: This budget-friendly airline offers both non-stop and one-stop flights, with one-way ticket prices generally falling between $120 and $450. It makes up about 55% of departures on this route, with non-stop flights taking around 2 hours.
  • Delta: As a full-service airline, Delta provides one-stop options with one-way fares ranging from $105 to $415. It constitutes roughly 19% of departures on this route, featuring an in-flight duration of 3 hours and 30 minutes, and a total travel time of approximately 4 hours and 45 minutes, including layovers.
  • American Airlines: This full-service carrier also offers one-stop services, with one-way fares typically priced between $105 and $355. Representing about 17% of departures on this route, the in-flight time is around 3 hours and 30 minutes, leading to a total journey duration of about 4 hours and 45 minutes when factoring in layovers.
  • United: Another full-service option, United provides one-stop flights with one-way fares usually ranging from $105 to $380. It accounts for approximately 8% of departures on this route, featuring an in-flight duration of 3 hours and 30 minutes, culminating in a total travel time of roughly 4 hours and 45 minutes, including layovers.
  • Frontier Airlines: This low-cost carrier offers one-stop services with one-way fares that typically range from $105 to $185. Representing about 1% of departures on this route, the flight time is approximately 3 hours and 30 minutes, with total travel taking around 4 hours and 45 minutes when including layovers.

Best time to fly from Baltimore (BWI) to Milwaukee (MKE)

The most popular months for travelers flying from Baltimore to Milwaukee are April, July, and August, when peak temperatures in Milwaukee reach up to 71.4°F in July. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 22.1°F. For better deals, September usually offers the lowest average one-way fare around $210. Flight availability peaks in July, with approximately 17 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $210, roughly 11% cheaper than the yearly average.
  • More budget-friendly months to fly: February, January, and May typically offer average one-way fares roughly ranging from $215 to $230.
  • Most flight options: July has the highest number of flights from Baltimore to Milwaukee, with approximately 17 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January22.1°F (-5.5°C)Moderately Low10$226
February23.5°F (-4.7°C)Average12$215
March34.7°F (1.5°C)Average13$244
April43.7°F (6.5°C)Moderately High13$232
May54.9°F (12.7°C)Average13$230
June64.9°F (18.3°C)Average15$242
July71.4°F (21.9°C)Moderately High17$266
August70.7°F (21.5°C)Moderately High15$231
September64.2°F (17.9°C)Average14$210
October52.0°F (11.1°C)Moderately Low13$248
November39.2°F (4.0°C)Moderately Low12$237
December29.7°F (-1.3°C)Average13$267

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Baltimore (BWI) to Milwaukee (MKE)

  • Washington to Milwaukee (DCA-MKE): Ronald Reagan Washington National Airport (DCA) is located approximately 30 miles from Baltimore Washington International Thurgood Marshall Airport (BWI). One-way economy fares on this route generally fall between $100 and $410, influenced by factors such as the time of year and how far in advance you book. Travelers can choose from both non-stop and one-stop flights. Major airlines servicing this route include American Airlines and the budget-friendly Southwest Airlines. Additionally, first class options are offered for those seeking a more premium experience.

How to find the best prices for flights from Baltimore (BWI) to Milwaukee (MKE)

Getting some of the best deals on flights from Baltimore to Milwaukee is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2 to 8 weeks in advance, although most travelers tend to book within 2 weeks. Departures in the morning, from 5 a.m. to 12 p.m., often offer lower prices and are quite popular. Additionally, flying on Wednesday typically results in cheaper prices, while Friday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at General Mitchell International Airport from Baltimore Washington International Thurgood Marshall Airport

Milwaukee welcomes travelers from Baltimore with a range of transport options based on price, convenience, and proximity. Here's how to reach Milwaukee efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Milwaukee, with private rides that can be arranged in advance.
  • Car rental: Renting a car from General Mitchell International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at General Mitchell International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From General Mitchell International Airport, travelers can easily reach the Milwaukee Airport Bus Station, located just 0.1 miles away on foot, while the Milwaukee Airport Station, a train station, is about 1.8 miles away by car. Additionally, the Michigan & Jackson Tram Stop, a metro station, is approximately 7.8 miles from the airport by car.

Frequently asked questions

How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) cost?
You can find cheap one-way flights from $129 and cheap return flights from $229 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) with Expedia. One-way flights generally range between $177 and $577, and roundtrip flights usually range from $339 to $971. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
September is the cheapest month to fly from Baltimore, MD (BWI) to Milwaukee, WI (MKE), with average round-trip fares around $301. This is about 21% lower than the average price throughout the year, as demand tends to drop after the summer travel season. Other budget-friendly months include May and June.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Enter BWI to MKE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Southwest Airlines is one of the cheapest airlines offering nonstop flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to General Mitchell Intl. (MKE), with round-trip tickets starting from around $206. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The best airline to fly with from Baltimore, MD to Milwaukee, WI will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from BWI to MKE, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The best times to fly from Baltimore, MD (BWI) to Milwaukee, WI (MKE) are in September and June. September has an average price of around $301 for a return flight, making it a budget-friendly option. June is also popular, offering a good mix of favorable weather and flight availability. These months provide a great balance of cost and travel experience. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
There are approximately 2 nonstop flights per day from Baltimore Washington Intl. Thurgood Marshall (BWI) to General Mitchell Intl. (MKE). For more options, look at flights that include layovers.
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) typically departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in December, and an early departure allows you to maximize your time in Milwaukee. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
For flights from Baltimore, MD (BWI) to Milwaukee, WI (MKE), the most popular departure times are from 6am to 9am. This time window represents about 31% of total traffic. Many travelers opt for this early morning slot to maximize their day in Milwaukee, with Southwest Airlines and Delta offering flights during this period.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Flying nonstop from BWI to MKE takes around 2 hours, with the route covering approximately 640 miles. Flights with a layover typically take 4 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
First class seats are offered on the BWI to MKE route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines
  • Spirit Airlines

How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Milwaukee from Baltimore Washington Intl. Thurgood Marshall (BWI)?
If you're planning to travel to Milwaukee from Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into General Mitchell Intl. (MKE) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Cincinnati - Northern Kentucky Intl. (CVG), MYR (MYR) before reaching Milwaukee. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) Milwaukee Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Milwaukee, WI (MKE-General Mitchell Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. 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.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
General Mitchell Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$228
Distance
639 mi
Average flight time
1 hour 1 min

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*Flight schedules are subject to change.

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