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

View $90 flight on Wed, Oct 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 $90 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Dec 9 - Sat, Dec 13
MKE
Milwaukee
SEA
Seattle
$179 Roundtrip, just found
$179
Roundtrip
just found
Select American Airlines flight, departing Tue, Dec 9 from Milwaukee to Seattle, returning Sat, Dec 13, priced at $179 just found
American Airlines
Sat, Nov 8 - Thu, Nov 13
MKE
Milwaukee
SEA
Seattle
$181 Roundtrip, found 2 hours ago
$181
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Nov 8 from Milwaukee to Seattle, returning Thu, Nov 13, priced at $181 found 2 hours ago
Southwest Airlines
Sat, Dec 6 - Mon, Dec 8
MKE
Milwaukee
SEA
Seattle
$182 Roundtrip, found 19 hours ago
$182
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Milwaukee to Seattle, returning Mon, Dec 8, priced at $182 found 19 hours ago
Southwest Airlines
Sat, Oct 18 - Tue, Oct 28
MKE
Milwaukee
SEA
Seattle
$184 Roundtrip, found 4 hours ago
$184
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Sat, Oct 18 from Milwaukee to Seattle, returning Tue, Oct 28, priced at $184 found 4 hours ago
Southwest Airlines
Sat, Dec 6 - Mon, Dec 8
MKE
Milwaukee
SEA
Seattle
$188 Roundtrip, found 19 hours ago
$188
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Milwaukee to Seattle, returning Mon, Dec 8, priced at $188 found 19 hours ago
Southwest Airlines
Tue, Oct 28 - Wed, Nov 5
MKE
Milwaukee
SEA
Seattle
$189 Roundtrip, found 9 hours ago
$189
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Tue, Oct 28 from Milwaukee to Seattle, returning Wed, Nov 5, priced at $189 found 9 hours ago
Frontier Airlines
Fri, Oct 3 - Sun, Oct 5
MKE
Milwaukee
SEA
Seattle
$192 Roundtrip, found 10 hours ago
$192
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Milwaukee to Seattle, returning Sun, Oct 5, priced at $192 found 10 hours ago
American Airlines
Tue, Dec 9 - Sat, Dec 13
MKE
Milwaukee
SEA
Seattle
$194 Roundtrip, just found
$194
Roundtrip
just found
Select American Airlines flight, departing Tue, Dec 9 from Milwaukee to Seattle, returning Sat, Dec 13, priced at $194 just found
Delta
Sat, Nov 8 - Thu, Nov 13
MKE
Milwaukee
SEA
Seattle
$199 Roundtrip, found 2 hours ago
$199
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Nov 8 from Milwaukee to Seattle, returning Thu, Nov 13, priced at $199 found 2 hours ago
United
Thu, Oct 23 - Fri, Oct 24
MKE
Milwaukee
SEA
Seattle
$202 Roundtrip, found 1 hour ago
$202
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Oct 23 from Milwaukee to Seattle, returning Fri, Oct 24, priced at $202 found 1 hour ago

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

November is typically the cheapest month to fly

From $135 - $323 per traveler.

Frequently asked questions

How much does a flight from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight from $90 or cheap return flight from $179 from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA) 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 General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between MKE and SEA. You'll typically find the lowest prices during off-peak months.
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 General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline that'll fly you from MKE to SEA, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
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.

Travel information

Travel information

Origin airport
General Mitchell Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$178
Distance
1688 mi
Average flight time
2 hours 20 mins

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Book with confidence

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 December. 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 $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 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.

 

Milwaukee to Seattle Flights

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