$98 Cheap Flights from Milwaukee (MKE) to Seattle (SEA)

View $98 flight on Tue, Jul 22, 2025Opens in a new window

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

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Cheap Flights from Milwaukee to Seattle (MKE-SEA)

Prices were available within the past 7 days and start at $98 for one-way flights and $195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Sep 27 - Tue, Oct 7
MKE
Milwaukee
SEA
Seattle
$195 Roundtrip, just found
$195
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Sep 27 from Milwaukee to Seattle, returning Tue, Oct 7, priced at $195 just found
American Airlines
Wed, Oct 22 - Mon, Oct 27
MKE
Milwaukee
SEA
Seattle
$195 Roundtrip, just found
$195
Roundtrip
just found
Select American Airlines flight, departing Wed, Oct 22 from Milwaukee to Seattle, returning Mon, Oct 27, priced at $195 just found
Southwest Airlines
Fri, Aug 22 - Sat, Aug 30
MKE
Milwaukee
SEA
Seattle
$196 Roundtrip, found 5 hours ago
$196
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Fri, Aug 22 from Milwaukee to Seattle, returning Sat, Aug 30, priced at $196 found 5 hours ago
Southwest Airlines
Sat, Sep 20 - Tue, Sep 30
MKE
Milwaukee
SEA
Seattle
$200 Roundtrip, just found
$200
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Sep 20 from Milwaukee to Seattle, returning Tue, Sep 30, priced at $200 just found
American Airlines
Fri, Aug 8 - Wed, Aug 13
MKE
Milwaukee
SEA
Seattle
$201 Roundtrip, found 8 hours ago
$201
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Aug 8 from Milwaukee to Seattle, returning Wed, Aug 13, priced at $201 found 8 hours ago
Southwest Airlines
Tue, Aug 19 - Wed, Aug 27
MKE
Milwaukee
SEA
Seattle
$205 Roundtrip, found 5 hours ago
$205
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Milwaukee to Seattle, returning Wed, Aug 27, priced at $205 found 5 hours ago
Southwest Airlines
Tue, Aug 19 - Tue, Aug 26
MKE
Milwaukee
SEA
Seattle
$210 Roundtrip, found 7 hours ago
$210
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Milwaukee to Seattle, returning Tue, Aug 26, priced at $210 found 7 hours ago
United
Sat, Aug 30 - Tue, Sep 9
MKE
Milwaukee
SEA
Seattle
$214 Roundtrip, just found
$214
Roundtrip
just found
Select United flight, departing Sat, Aug 30 from Milwaukee to Seattle, returning Tue, Sep 9, priced at $214 just found
Frontier Airlines
Fri, Sep 12 - Mon, Sep 22
MKE
Milwaukee
SEA
Seattle
$215 Roundtrip, just found
$215
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 12 from Milwaukee to Seattle, returning Mon, Sep 22, priced at $215 just found
Hawaiian Airlines
Sun, Aug 31 - Sat, Sep 13
MKE
Milwaukee
SEA
Seattle
$227 Roundtrip, found 21 hours ago
$227
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Sun, Aug 31 from Milwaukee to Seattle, returning Sat, Sep 13, priced at $227 found 21 hours ago

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

October is typically the cheapest month to fly

From $127 - $333 per traveler.

Graph displaying average flight prices per month

Flights from Milwaukee (MKE) to Seattle (SEA)
Origin airport
General Mitchell Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$194
Distance
1688 mi
Average flight time
2 hours 24 mins

Milwaukee to Seattle Flights

The cheapest times to fly from Milwaukee to Seattle

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

 

The best time to book a flight from Milwaukee to Seattle

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

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 Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $98 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 Seattle 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 Seattle 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 Seattle - Tacoma Intl. Airport (SEA) cost?
Discover the latest flight deals from MKE to SEA 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 SEA?
Fly nonstop from MKE to SEA in November to enjoy cheaper fares. You can find a one-way Alaska Airlines flight for $119 leaving on November 27 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 1 2025 and remains unchanged.
Which airlines fly direct from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
You can travel nonstop from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA) on an Alaska Airlines flight.
What is the cheapest airline that flies from MKE to SEA?
Book a flight from MKE to SEA with Alaska Airlines. This airline currently has the cheapest one-way fare for this route, starting at $119. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MKE on August 31 2025. Prices were last updated on July 1 2025 and have not changed since.
How many flights per day from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
On average, there are 4 nonstop flights flying from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA) per week. If you don't see one that suits your schedule, think about taking a flight with a layover. Customize your search results on Expedia to include one or more stops and choose the next best option.
What are the most popular departure times for flights from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
Flights between MKE and SEA are busiest at 2 PM. If you're after a more relaxed atmosphere and possibly cheaper prices, choose a time when demand is lower.
What day of the week has the most flights from MKE to SEA?
If you depart on a Friday, you'll get the greatest range of options for flights from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
General Mitchell Intl. Airport (MKE)'s earliest flight to Seattle - Tacoma Intl. Airport (SEA) departs at approximately 2:49PM UTC-6. With a total journey time of 4h 36m, you'll touch down at around 5:25PM UTC-8.
How long does it take to fly from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
Flights from MKE to SEA have an average travel time of 4 hours and 36 minutes. The total distance between these two airports is 1,700 mi.
What airline has the least delays from MKE to SEA?
Consider traveling with Delta Air Lines if you'd like to go straight from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA) without any interruptions. This airline has the best track record for punctuality, with an on-time performance of 82%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
To touch down at Seattle - Tacoma Intl. Airport (SEA) on schedule, opt for a flight that takes off from General Mitchell Intl. Airport (MKE) 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.
What airports do you fly into for Seattle from General Mitchell Intl. Airport (MKE)?
Seattle - Tacoma Intl. Airport (SEA) is the only airport in Seattle with direct flights from General Mitchell Intl. Airport (MKE). Browse the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until right before your break to book a ticket from MKE to SEA generally means paying more. While you may find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of snagging a bargain.
Is it cheaper to book a MKE to SEA flight and hotel package?
You can save money by securing a MKE to SEA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
It's usually possible to reschedule or cancel your MKE to SEA flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

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