$109 Cheap Flights from Milwaukee (MKE) to Seattle (SEA)

View $109 flight on Tue, Jun 2, 2026Opens in a new window

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

Cheap Flights from Milwaukee to Seattle (MKE-SEA)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Jun 2 - Sat, Jun 6
MKE
Milwaukee
SEA
Seattle
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Jun 2 from Milwaukee to Seattle, returning Sat, Jun 6, priced at $217 found 1 hour ago
American Airlines
Wed, Apr 29 - Wed, May 6
MKE
Milwaukee
SEA
Seattle
$218 Roundtrip, found 12 hours ago
$218
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, Apr 29 from Milwaukee to Seattle, returning Wed, May 6, priced at $218 found 12 hours ago
Southwest Airlines
Sat, May 2 - Wed, May 6
MKE
Milwaukee
SEA
Seattle
$222 Roundtrip, found 1 hour ago
$222
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, May 2 from Milwaukee to Seattle, returning Wed, May 6, priced at $222 found 1 hour ago
Southwest Airlines
Tue, Jun 2 - Sat, Jun 6
MKE
Milwaukee
SEA
Seattle
$227 Roundtrip, found 1 hour ago
$227
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Jun 2 from Milwaukee to Seattle, returning Sat, Jun 6, priced at $227 found 1 hour ago
Southwest Airlines
Tue, Jun 2 - Sat, Jun 6
MKE
Milwaukee
SEA
Seattle
$227 Roundtrip, found 1 hour ago
$227
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Jun 2 from Milwaukee to Seattle, returning Sat, Jun 6, priced at $227 found 1 hour ago
Delta
Tue, Jun 2 - Sat, Jun 6
MKE
Milwaukee
SEA
Seattle
$230 Roundtrip, found 1 hour ago
$230
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Jun 2 from Milwaukee to Seattle, returning Sat, Jun 6, priced at $230 found 1 hour ago
Southwest Airlines
Sat, May 2 - Wed, May 6
MKE
Milwaukee
SEA
Seattle
$232 Roundtrip, found 1 hour ago
$232
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sat, May 2 from Milwaukee to Seattle, returning Wed, May 6, priced at $232 found 1 hour ago
Southwest Airlines
Sat, May 9 - Tue, May 19
MKE
Milwaukee
SEA
Seattle
$233 Roundtrip, found 12 hours ago
$233
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Sat, May 9 from Milwaukee to Seattle, returning Tue, May 19, priced at $233 found 12 hours ago
United
Tue, Jun 2 - Tue, Jun 9
MKE
Milwaukee
SEA
Seattle
$237 Roundtrip, found 19 hours ago
$237
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jun 2 from Milwaukee to Seattle, returning Tue, Jun 9, priced at $237 found 19 hours ago
Alaska Airlines
Wed, Apr 29 - Sat, May 2
MKE
Milwaukee
SEA
Seattle
$277 Roundtrip, just found
$277
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Apr 29 from Milwaukee to Seattle, returning Sat, May 2, priced at $277 just found

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $274
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $274

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

September is typically the cheapest month to fly

From $143 - $315 per traveler.

Frequently asked questions

How much does a flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from $109 and cheap return flights from $217 Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights usually range from $132 to $744, and return flights typically cost between $303 and $1476. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest month to fly from MKE to SEA is June when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Hawaiian Airlines offers around 7 weekly direct flights from MKE to SEA.
What is the cheapest airline that flies from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
American Airlines is one of the cheapest airlines offering nonstop flights from General Mitchell Intl. (MKE) to Seattle - Tacoma Intl. (SEA), with round-trip tickets starting from around $282. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Milwaukee, WI (MKE) to Seattle, WA (SEA) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. WN offers the most daily flights from MKE to SEA, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can find approximately 1 nonstop flights per day from General Mitchell Intl. (MKE) to Seattle - Tacoma Intl. (SEA). For more options, look at flights that include layovers.
What is the earliest flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Milwaukee, WI (General Mitchell Intl.) to Seattle, WA (Seattle - Tacoma Intl.) typically departs at 5:00 AM, operated by American Airlines. This seasonal service is available in December, allowing you to kick off your trip to the Pacific Northwest early in the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Milwaukee (MKE-General Mitchell Intl.) to Seattle (SEA-Seattle - Tacoma Intl.) are in the early morning, from 6am to 9am. About 31% of passengers prefer this time window. Many major carriers, including Alaska Airlines and American Airlines, offer flights during this window. This timing is popular because it allows you to arrive in Seattle with a full day ahead of you.
How long does it take to fly from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Direct flights from MKE to SEA usually take about 4 hours 30 minutes, traveling roughly 1,689 miles. If you opt for a connecting flight, expect to add around 2 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
First class is available on flights from MKE to SEA. First class cabins are available on:

  • Delta Air Lines
  • United Airlines
  • American Airlines

How much is a business class flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A direct, return business class ticket from Milwaukee, WI (MKE) to Seattle, WA (SEA) typically costs between $1,120 - $1,620 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from General Mitchell Intl. (MKE)?
If you're planning to travel to Seattle from General Mitchell Intl. (MKE), you can fly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like O'Hare Intl. (ORD), Denver Intl. (DEN), Harry Reid Intl. (LAS) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Milwaukee, WI (MKE-General Mitchell Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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 if you'd like more information.

Travel information

Origin airport
General Mitchell Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$216
Distance
1688 mi
Average flight time
4 hours 28 mins

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 June. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $109 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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