$629 Cheap Flights from Cologne (CGN) to Milwaukee (MKE)

View $629 flight on Mon, Jun 8, 2026Opens in a new window

Popular airlines from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE)

Cheap Flights from Cologne to Milwaukee (CGN-MKE)

Prices were available within the past 7 days and start at $629 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE) cost?
Grab a cheap one-way flight from $629 or cheap return flight from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE)?
is the least expensive month to fly from CGN to MKE. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from CGN to MKE. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE)?
Nonstop flights from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CGN to MKE?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE)?
Book a flight from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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.
Is it cheaper to buy a plane ticket from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE) last-minute?
Waiting until just before your departure to book your flight from CGN to MKE often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a CGN to MKE flight and hotel package?
Compared with arranging flights and hotels separately, booking a CGN to MKE flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to General Mitchell Intl. Airport (MKE)?
Generally, it's possible to reschedule or cancel your CGN to MKE flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Cologne - Bonn
Destination airport
General Mitchell Intl.
Distance
4198 mi

Book with confidence

Cologne to Milwaukee Flights

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

 

The best time to book a flight from Cologne to Milwaukee

Sunday is one of the best days to book for cheap flights from Cologne 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 Cologne 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 Cologne to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $629 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 Cologne 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 Cologne 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.

 

Cologne to Milwaukee Flights

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*Available to One Key members.