Popular airlines from Watertown, SD (ATY-Watertown Regional) to General Mitchell Intl. Airport (MKE)

Cheap Flights from Watertown to Milwaukee (ATY-MKE)

Prices were available within the past 7 days and start at $222 for one-way flights and $214 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jan 5 - Sun, Jan 25
ATY
Watertown
MKE
Milwaukee
$214 Roundtrip, found 17 hours ago
$214
Roundtrip
found 17 hours ago
Select Delta flight, departing Mon, Jan 5 from Watertown to Milwaukee, returning Sun, Jan 25, priced at $214 found 17 hours ago
Delta
Tue, Nov 25 - Tue, Dec 2
ATY
Watertown
MKE
Milwaukee
$224 Roundtrip, found 8 hours ago
$224
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Nov 25 from Watertown to Milwaukee, returning Tue, Dec 2, priced at $224 found 8 hours ago
Delta
Thu, Nov 27 - Fri, Dec 5
ATY
Watertown
MKE
Milwaukee
$229 Roundtrip, found 19 hours ago
$229
Roundtrip
found 19 hours ago
Select Delta flight, departing Thu, Nov 27 from Watertown to Milwaukee, returning Fri, Dec 5, priced at $229 found 19 hours ago
Delta
Tue, Feb 10 - Thu, Feb 19
ATY
Watertown
MKE
Milwaukee
$234 Roundtrip, found 4 days ago
$234
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 10 from Watertown to Milwaukee, returning Thu, Feb 19, priced at $234 found 4 days ago
Delta
Tue, Jan 27 - Sun, Feb 15
ATY
Watertown
MKE
Milwaukee
$239 Roundtrip, found 17 hours ago
$239
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Jan 27 from Watertown to Milwaukee, returning Sun, Feb 15, priced at $239 found 17 hours ago
Delta
Thu, Feb 12 - Tue, Feb 17
ATY
Watertown
MKE
Milwaukee
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Feb 12 from Watertown to Milwaukee, returning Tue, Feb 17, priced at $244 found 4 days ago
Delta
Fri, Jan 9 - Sun, Jan 25
ATY
Watertown
MKE
Milwaukee
$249 Roundtrip, found 17 hours ago
$249
Roundtrip
found 17 hours ago
Select Delta flight, departing Fri, Jan 9 from Watertown to Milwaukee, returning Sun, Jan 25, priced at $249 found 17 hours ago
Delta
Thu, Feb 12 - Thu, Feb 19
ATY
Watertown
MKE
Milwaukee
$264 Roundtrip, found 4 days ago
$264
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Feb 12 from Watertown to Milwaukee, returning Thu, Feb 19, priced at $264 found 4 days ago
Delta
Fri, Nov 14 - Wed, Nov 19
ATY
Watertown
MKE
Milwaukee
$279 Roundtrip, found 4 days ago
$279
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Nov 14 from Watertown to Milwaukee, returning Wed, Nov 19, priced at $279 found 4 days ago
United
Mon, Feb 9 - Wed, Feb 18
ATY
Watertown
MKE
Milwaukee
$433 Roundtrip, found 4 days ago
$433
Roundtrip
found 4 days ago
Select United flight, departing Mon, Feb 9 from Watertown to Milwaukee, returning Wed, Feb 18, priced at $433 found 4 days ago

Watertown to Milwaukee Flights

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

 

The best time to book a flight from Watertown to Milwaukee

Sunday is one of the best days to book for cheap flights from Watertown 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 Watertown 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 Watertown to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $222 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 Watertown 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 Watertown 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 Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE) cost?
Snag a cheap one-way flight from $222 or cheap return flight from $214 from Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE) 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 Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE)?
Traveling in January can help you save, as it's the cheapest month for flights between ATY and MKE. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ATY to MKE flight.
How many flights per day from Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE)?
Direct flights from Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ATY to MKE?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, carrier 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 Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE)?
To reach General Mitchell Intl. Airport (MKE) on schedule, pick a flight that takes off from Watertown Regional Airport (ATY) before 3 PM. The chance 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.
Is it cheaper to buy a plane ticket from Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE) last-minute?
Holding off until right before your break to book your flight from ATY to MKE generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book an ATY to MKE flight and hotel package?
Compared with arranging flights and hotels separately, booking an ATY to MKE flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Watertown Regional Airport (ATY) to General Mitchell Intl. Airport (MKE)?
Typically, you can cancel or reschedule your ATY to MKE flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.