$90 Cheap Flights from Seattle (SEA) to Milwaukee (MKE)

View $90 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from Seattle to Milwaukee (SEA-MKE)

Prices were available within the past 7 days and start at $90 for one-way flights and $164 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 23 - Sun, Sep 28
SEA
Seattle
MKE
Milwaukee
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 23 from Seattle to Milwaukee, returning Sun, Sep 28, priced at $164 found 3 days ago
Southwest Airlines
Tue, Nov 11 - Thu, Nov 13
SEA
Seattle
MKE
Milwaukee
$164 Roundtrip, found 3 days ago
$164
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Nov 11 from Seattle to Milwaukee, returning Thu, Nov 13, priced at $164 found 3 days ago
Frontier Airlines
Mon, Sep 22 - Fri, Sep 26
SEA
Seattle
MKE
Milwaukee
$171 Roundtrip, found 17 hours ago
$171
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Mon, Sep 22 from Seattle to Milwaukee, returning Fri, Sep 26, priced at $171 found 17 hours ago
American Airlines
Fri, Oct 24 - Sat, Oct 25
SEA
Seattle
MKE
Milwaukee
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 24 from Seattle to Milwaukee, returning Sat, Oct 25, priced at $173 found 1 day ago
Southwest Airlines
Wed, Nov 12 - Fri, Nov 14
SEA
Seattle
MKE
Milwaukee
$174 Roundtrip, found 2 days ago
$174
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Nov 12 from Seattle to Milwaukee, returning Fri, Nov 14, priced at $174 found 2 days ago
Southwest Airlines
Fri, Dec 12 - Sun, Dec 14
SEA
Seattle
MKE
Milwaukee
$177 Roundtrip, found 4 days ago
$177
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Dec 12 from Seattle to Milwaukee, returning Sun, Dec 14, priced at $177 found 4 days ago
American Airlines
Tue, Nov 4 - Sat, Nov 8
SEA
Seattle
MKE
Milwaukee
$179 Roundtrip, just found
$179
Roundtrip
just found
Select American Airlines flight, departing Tue, Nov 4 from Seattle to Milwaukee, returning Sat, Nov 8, priced at $179 just found
American Airlines
Sat, Oct 25 - Tue, Oct 28
SEA
Seattle
MKE
Milwaukee
$184 Roundtrip, found 15 hours ago
$184
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Sat, Oct 25 from Seattle to Milwaukee, returning Tue, Oct 28, priced at $184 found 15 hours ago
Delta
Fri, Oct 31 - Sat, Nov 1
SEA
Seattle
MKE
Milwaukee
$189 Roundtrip, found 2 days ago
$189
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 31 from Seattle to Milwaukee, returning Sat, Nov 1, priced at $189 found 2 days ago
United
Tue, Sep 23 - Wed, Sep 24
SEA
Seattle
MKE
Milwaukee
$246 Roundtrip, found 17 hours ago
$246
Roundtrip
found 17 hours ago
Select United flight, departing Tue, Sep 23 from Seattle to Milwaukee, returning Wed, Sep 24, priced at $246 found 17 hours ago

Find the cheapest month to fly from Seattle (SEA) to Milwaukee (MKE)

October is typically the cheapest month to fly

From $130 - $327 per traveler.

Graph displaying average flight prices per month

Alternative airports near Milwaukee

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

Select flight to General Mitchell Intl. MKE. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $171
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $171
Flights from Seattle (SEA) to Milwaukee (MKE)
Origin airport
Seattle - Tacoma Intl.
Destination airport
General Mitchell Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$163
Distance
1688 mi
Average flight time
5 hours 53 mins

Seattle to Milwaukee Flights

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

 

The best time to book a flight from Seattle to Milwaukee

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $90 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 Seattle 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 Seattle 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 Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE) cost?
Grab a cheap one-way flight from $90 or cheap return flight from $164 from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
Traveling in September is a good way to save, as it's the cheapest month for flights between SEA and MKE. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
You can fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE) on an Alaska Airlines flight.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from SEA to MKE. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
On average, you can take your pick of 4 nonstop flights taking off from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE) per week. If you can't see one that works for your schedule, consider booking a flight with a layover. Customize your search on Expedia to include one or two stops and select the next best option.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
The 7 AM departures from SEA to MKE are typically the busiest. Prices can be higher for these popular slots. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from SEA to MKE?
Fly on a Friday if you're searching for the largest selection of flights from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
Seattle - Tacoma Intl. Airport (SEA)'s first flight to General Mitchell Intl. Airport (MKE) takes off at approximately 7:55AM UTC-8. With a travel time of 3h 54m, you'll touch down at around 1:49PM UTC-6.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
Flights from SEA to MKE have an average travel time of 3 hours and 54 minutes. The distance between these two airports is 1,700 mi.
What airline has the least delays from SEA to MKE?
Delta Air Lines has the best track record for on-time direct flights from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE), with an on-time rating of 92%. Use the Expedia App to see your flight schedule before you take off and get immediate updates about any trip changes.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
To land at General Mitchell Intl. Airport (MKE) on time, opt for a flight that takes off from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The likelihood 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.
What airports do you fly into for Milwaukee from Seattle - Tacoma Intl. Airport (SEA)?
Explore your flight options from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE). This is the only Milwaukee airport you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE) last-minute?
Holding off until just before your trip to book a flight from SEA to MKE often results in higher prices. While it's possible to find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a SEA to MKE flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to MKE flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and select from our wide range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE)?
If you booked your SEA to MKE flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare 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 for more details.

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