$369 Cheap Flights from Milwaukee (MKE) to Gustavus (GST)

View $369 flight on Sat, Aug 30, 2025Opens in a new window

Popular airlines from General Mitchell Intl. Airport (MKE) to Gustavus, AK (GST)

Cheap Flights from Milwaukee to Gustavus (MKE-GST)

Prices were available within the past 7 days and start at $369 for one-way flights and $944 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Aug 30 - Wed, Sep 3
MKE
Milwaukee
GST
Gustavus
$944 Roundtrip, found 3 days ago
$944
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Milwaukee to Gustavus, returning Wed, Sep 3, priced at $944 found 3 days ago
Alaska Airlines
Sat, Aug 30 - Mon, Sep 8
MKE
Milwaukee
GST
Gustavus
$956 Roundtrip, found 3 days ago
$956
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Milwaukee to Gustavus, returning Mon, Sep 8, priced at $956 found 3 days ago
Alaska Airlines
Sun, Aug 31 - Tue, Sep 9
MKE
Milwaukee
GST
Gustavus
$979 Roundtrip, found 3 days ago
$979
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Milwaukee to Gustavus, returning Tue, Sep 9, priced at $979 found 3 days ago
Alaska Airlines
Sun, Aug 31 - Mon, Sep 8
MKE
Milwaukee
GST
Gustavus
$992 Roundtrip, found 3 days ago
$992
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Milwaukee to Gustavus, returning Mon, Sep 8, priced at $992 found 3 days ago
Alaska Airlines
Sun, Aug 31 - Wed, Sep 3
MKE
Milwaukee
GST
Gustavus
$998 Roundtrip, found 3 days ago
$998
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Milwaukee to Gustavus, returning Wed, Sep 3, priced at $998 found 3 days ago
Alaska Airlines
Sat, Aug 30 - Thu, Sep 4
MKE
Milwaukee
GST
Gustavus
$1,043 Roundtrip, found 3 days ago
$1,043
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Milwaukee to Gustavus, returning Thu, Sep 4, priced at $1,043 found 3 days ago
Alaska Airlines
Sat, Aug 30 - Sun, Sep 7
MKE
Milwaukee
GST
Gustavus
$1,057 Roundtrip, found 3 days ago
$1,057
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Milwaukee to Gustavus, returning Sun, Sep 7, priced at $1,057 found 3 days ago
Alaska Airlines
Fri, Aug 29 - Wed, Sep 3
MKE
Milwaukee
GST
Gustavus
$1,073 Roundtrip, found 3 days ago
$1,073
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Aug 29 from Milwaukee to Gustavus, returning Wed, Sep 3, priced at $1,073 found 3 days ago
Alaska Airlines
Fri, Aug 29 - Mon, Sep 8
MKE
Milwaukee
GST
Gustavus
$1,080 Roundtrip, found 3 days ago
$1,080
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Aug 29 from Milwaukee to Gustavus, returning Mon, Sep 8, priced at $1,080 found 3 days ago
Hawaiian Airlines
Sun, Aug 31 - Sun, Sep 7
MKE
Milwaukee
GST
Gustavus
$1,105 Roundtrip, found 3 days ago
$1,105
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sun, Aug 31 from Milwaukee to Gustavus, returning Sun, Sep 7, priced at $1,105 found 3 days ago
Flights from Milwaukee (MKE) to Gustavus (GST)
Origin airport
General Mitchell Intl.
Destination airport
Gustavus
Roundtrip price
$943
Distance
2285 mi

Milwaukee to Gustavus Flights

The cheapest times to fly from Milwaukee to Gustavus

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

 

The best time to book a flight from Milwaukee to Gustavus

Sunday is one of the best days to book for cheap flights from Milwaukee to Gustavus: 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 Milwaukee to Gustavus

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 Milwaukee to Gustavus in 2025. You can also book with separate airlines for your outbound and return journeys, from $369 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 Milwaukee to Gustavus 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 Milwaukee to Gustavus 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 General Mitchell Intl. Airport (MKE) to Gustavus Airport (GST) cost?
Discover the latest flight deals from MKE to GST by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MKE to GST?
The cheapest flights from MKE to GST are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MKE to GST?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from MKE to GST. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from General Mitchell Intl. Airport (MKE) to Gustavus Airport (GST)?
You'll have to book a flight with a layover when traveling from General Mitchell Intl. Airport (MKE) to Gustavus Airport (GST). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from MKE to GST?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from General Mitchell Intl. Airport (MKE) to Gustavus Airport (GST)?
Choose a flight from General Mitchell Intl. Airport (MKE) to Gustavus Airport (GST) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 General Mitchell Intl. Airport (MKE) to Gustavus Airport (GST) last-minute?
Booking your ticket from MKE to GST just before your getaway is generally more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a MKE to GST flight and hotel package?
Securing a MKE to GST flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to Gustavus Airport (GST)?
Typically, you can cancel or modify your MKE to GST flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more details, visit our Customer Service portal.

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*Available to One Key members.