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CA $326 Cheap Flights from Green Bay (GRB) to Milwaukee (MKE)

View CA $326 flight on Sat, Dec 12, 2026Opens in a new window

Popular airlines from Green Bay Austin Straubel Intl. Airport (GRB) to General Mitchell Intl. Airport (MKE)

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Cheap flights from Green Bay (GRB) to Milwaukee (MKE)

Prices were available within the past 7 days and start at CA $326 for one-way flights and CA $454 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $454 Roundtrip, found 6 days ago
CA $454
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $454 found 6 days ago
American Airlines
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $578 Roundtrip, found 6 days ago
CA $578
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $578 found 6 days ago
American Airlines
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $588 Roundtrip, found 6 days ago
CA $588
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $588 found 6 days ago
American Airlines
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $593 Roundtrip, found 6 days ago
CA $593
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $593 found 6 days ago
American Airlines
Fri, Dec 11 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $594 Roundtrip, found 6 days ago
CA $594
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Dec 11 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $594 found 6 days ago
American Airlines
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $614 Roundtrip, found 6 days ago
CA $614
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $614 found 6 days ago
United
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $621 Roundtrip, found 6 days ago
CA $621
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $621 found 6 days ago
United
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $628 Roundtrip, found 6 days ago
CA $628
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $628 found 6 days ago
United
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $637 Roundtrip, found 6 days ago
CA $637
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $637 found 6 days ago
Delta
Sat, Dec 12 - Mon, Dec 14
GRB
Green Bay
MKE
Milwaukee
CA $828 Roundtrip, found 6 days ago
CA $828
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 12 from Green Bay to Milwaukee, returning Mon, Dec 14, priced at CA $828 found 6 days ago

Frequently asked questions

How much does a flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) cost?
You can find one-way and return flights from GRB to MKE with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when GRB to MKE ticket fares go up or down.
What is the cheapest month to fly from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The cheapest months to fly from GRB to MKE are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
Enter GRB to MKE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
To find a cheap flight from Green Bay, WI (GRB-Austin Straubel Intl.) 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 time to fly from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
While there aren't any direct flights, you'll find approximately 19 connecting flights per day from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.). Some common connection points include O'Hare Intl. (ORD), Minneapolis - St. Paul Intl. (MSP), and Detroit Metropolitan Wayne County (DTW).
What is the earliest flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The earliest flight from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) typically departs around 5:00 AM. This service is operated by United. This is a seasonal service, active only in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
You'll typically find the most flights from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) on a Wednesday, with around 15 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta.
What are the most popular departure times for flights from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
The most popular departure times for flights from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Delta, American Airlines and United, offer flights during this window. Many travellers prefer this time to get an early start on their day.
How long does it take to fly from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
There are no nonstop flights from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.). The distance between these two airports is approximately 172 kilometres. If you're flying with one stop, your journey will typically take around 5 hours. Flights with two or more stops usually take longer, averaging about 9 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
You can fly business class or first class between GRB and MKE. First class cabins are available on Delta and American Airlines.
How do I earn miles on a Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight with Expedia?
It's easy to earn miles on a Green Bay, WI (GRB-Austin Straubel Intl.) 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, WI (MKE) from Green Bay, WI (GRB)?
If you're planning to travel to Milwaukee from Austin Straubel Intl. (GRB), you can fly directly into General Mitchell Intl. (MKE). Some flights may connect through major hubs like Minneapolis - St. Paul Intl. (MSP) 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 Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) at the last minute?
Typically, booking a last minute flight from Green Bay, WI (GRB-Austin Straubel Intl.) 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 Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package?
Securing a Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.) flight and hotel package 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 Green Bay, WI (GRB-Austin Straubel Intl.) to Milwaukee, WI (MKE-General Mitchell Intl.)?
If you booked your Green Bay, WI (GRB-Austin Straubel Intl.) 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
Austin Straubel Intl.
Destination airport
General Mitchell Intl.
Roundtrip price
CA $453
Distance
171 km

Book with confidence

Green Bay to Milwaukee Flights

The easy way to book your flights from Green Bay to Milwaukee 

With Expedia, it’s simple to find and book flights to Milwaukee from Green Bay whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to General Mitchell Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Green Bay to Milwaukee today, tomorrow, or this week.  

 

Save dollars with cheap flights from Austin Straubel Intl., GRB to General Mitchell Intl., MKE 

Sort your search results by price to find great deals on your flight from Green Bay to Milwaukee—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Milwaukee from Green Bay currently is just CA $454 rising to CA $828.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Milwaukee  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Milwaukee from Green Bay 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Milwaukee with Expedia today.

Green Bay to Milwaukee Flights

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