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$141 Cheap Flights from Milwaukee (MKE) to Seattle (SEA)

View $141 flight on Wed, Dec 2, 2026Opens 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 $141 for one-way flights and $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 2 - Sat, Dec 12
MKE
Milwaukee
SEA
Seattle
$281 Roundtrip, just found
$281
Roundtrip
just found
Select American Airlines flight, departing Wed, Dec 2 from Milwaukee to Seattle, returning Sat, Dec 12, priced at $281 just found
Delta
Wed, Dec 2 - Sat, Dec 12
MKE
Milwaukee
SEA
Seattle
$281 Roundtrip, just found
$281
Roundtrip
just found
Select Delta flight, departing Wed, Dec 2 from Milwaukee to Seattle, returning Sat, Dec 12, priced at $281 just found
Southwest Airlines
Wed, Dec 2 - Sat, Dec 12
MKE
Milwaukee
SEA
Seattle
$281 Roundtrip, just found
$281
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Dec 2 from Milwaukee to Seattle, returning Sat, Dec 12, priced at $281 just found
Southwest Airlines
Wed, Dec 2 - Sat, Dec 12
MKE
Milwaukee
SEA
Seattle
$281 Roundtrip, just found
$281
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Dec 2 from Milwaukee to Seattle, returning Sat, Dec 12, priced at $281 just found
United
Sat, Oct 17 - Tue, Oct 27
MKE
Milwaukee
SEA
Seattle
$286 Roundtrip, just found
$286
Roundtrip
just found
Select United flight, departing Sat, Oct 17 from Milwaukee to Seattle, returning Tue, Oct 27, priced at $286 just found
Southwest Airlines
Tue, Nov 3 - Wed, Nov 11
MKE
Milwaukee
SEA
Seattle
$292 Roundtrip, found 6 hours ago
$292
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Tue, Nov 3 from Milwaukee to Seattle, returning Wed, Nov 11, priced at $292 found 6 hours ago
Southwest Airlines
Tue, Nov 3 - Wed, Nov 11
MKE
Milwaukee
SEA
Seattle
$297 Roundtrip, found 6 hours ago
$297
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Tue, Nov 3 from Milwaukee to Seattle, returning Wed, Nov 11, priced at $297 found 6 hours ago
Southwest Airlines
Tue, Nov 17 - Wed, Nov 18
MKE
Milwaukee
SEA
Seattle
$297 Roundtrip, found 19 hours ago
$297
Roundtrip
found 19 hours ago
Select Southwest Airlines flight, departing Tue, Nov 17 from Milwaukee to Seattle, returning Wed, Nov 18, priced at $297 found 19 hours ago
American Airlines
Mon, Nov 2 - Wed, Nov 4
MKE
Milwaukee
SEA
Seattle
$300 Roundtrip, just found
$300
Roundtrip
just found
Select American Airlines flight, departing Mon, Nov 2 from Milwaukee to Seattle, returning Wed, Nov 4, priced at $300 just found
Alaska Airlines
Sat, Oct 17 - Wed, Oct 21
MKE
Milwaukee
SEA
Seattle
$397 Roundtrip, just found
$397
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Oct 17 from Milwaukee to Seattle, returning Wed, Oct 21, priced at $397 just found

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

October is typically the cheapest month to fly

From $197 - $351 per traveler.

What you need to know for your flight from General Mitchell Intl. to Seattle - Tacoma Intl.

Milwaukee (MKE) to Seattle (SEA) at a glance

Explore a range of Milwaukee to Seattle flights on this domestic short-haul route, departing from General Mitchell International Airport (MKE) to Seattle-Tacoma International Airport (SEA). Whether you prefer full-service airlines or budget options, you can compare various itineraries to discover the best fit for your schedule and budget. Get ready to experience Seattle's iconic attractions and neighborhoods while finding the key details for your next flight. Look for cheap flights from Milwaukee to maximize your travel experience.

  • Fastest flight duration: around 4h 30m non-stop
  • Route distance: roughly 1,700 miles (2,740 km)
  • Flights per week: around 25+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $95–$350, depending on seasonality and how far ahead you book

Flights from General Mitchell International Airport (MKE) to Seattle - Tacoma International Airport (SEA)

According to recent traveler bookings, here are the top airlines favored for flights from Milwaukee to Seattle, offering both non-stop and one-stop options. Popular layover locations include O'Hare International Airport (ORD) with roughly a 1-hour layover, Minneapolis - St. Paul International Airport (MSP) at about 1 hour and 15 minutes, and Denver International Airport (DEN) with a 1-hour layover. This variety allows travelers to customize their itinerary by balancing price, total travel time, and cabin class.

  • Alaska Airlines: This full-service airline provides both non-stop and one-stop flights, with one-way fares generally falling between $110 and $395. It represents around 33% of departures for this route, with a typical non-stop duration of approximately 4 hours and 30 minutes.
  • Delta: As a full-service carrier, Delta offers one-stop flights with one-way fares usually ranging from $95 to $340. It accounts for about 20% of flights on this route, featuring an in-flight time of 5 hours and 45 minutes, leading to a total travel time of about 7 hours, including layover.
  • American Airlines: This full-service airline provides both non-stop and one-stop services, with one-way ticket prices typically between $95 and $375. It comprises roughly 17% of departures on this route, with a common one-stop flight time of 5 hours and 45 minutes and an overall journey time nearing 7 hours.
  • Southwest Airlines: A budget-friendly carrier, Southwest offers one-stop service with one-way fares generally between $95 and $350. It makes up about 14% of departures on this route, featuring an in-flight duration of 5 hours and 45 minutes and a total travel time of around 7 hours, including layover.
  • United: This full-service airline provides one-stop options, with one-way fares typically ranging from $115 to $350. It accounts for approximately 14% of departures on this route, with a flight time of 5 hours and 45 minutes and a total journey duration of about 7 hours, factoring in layover.

Travelers flying from Milwaukee to Seattle have the option to upgrade their flights. Alaska Airlines provides first class and business class service, while Delta offers first class and premium economy. American Airlines features a first class cabin for enhanced travel comfort.

Best time to fly from Milwaukee (MKE) to Seattle (SEA)

The most popular months for travelers flying from Milwaukee to Seattle are March, July, and August, when peak temperatures in Seattle reach up to 67.5°F in August. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 40.3°F. For better deals, October usually offers the lowest average one-way fare around $188. Flight availability peaks in July, with approximately 39 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $188, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: February, September, and January typically offer average one-way fares roughly ranging from $189 to $200.
  • Most flight options: July has the highest number of flights from Milwaukee to Seattle, with approximately 39 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January40.3°F (4.6°C)Moderately Low18$200
February40.5°F (4.7°C)Average18$189
March43.9°F (6.6°C)Moderately High19$213
April48.6°F (9.2°C)Average21$202
May55.8°F (13.2°C)Average26$206
June61.0°F (16.1°C)Average32$242
July67.1°F (19.5°C)Moderately High39$235
August67.5°F (19.7°C)Moderately High38$207
September61.3°F (16.3°C)Average31$200
October52.7°F (11.5°C)Average27$188
November44.2°F (6.8°C)Moderately Low32$213
December39.2°F (4.0°C)Moderately Low22$212

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Milwaukee (MKE) to Seattle (SEA)

  • Milwaukee to Seattle (MKE-BFI): Located roughly 6 miles from Seattle - Tacoma International Airport (SEA), Boeing Field Airport (BFI) provides convenient access to the city.
  • Waukesha to Seattle (UES-SEA): Waukesha County Airport (UES) is approximately 18 miles from General Mitchell International Airport (MKE), offering an alternative departure point.
  • Kenosha to Seattle (ENW-SEA): Situated around 24 miles from General Mitchell International Airport (MKE), Kenosha Regional Airport (ENW) serves as another viable option for travelers.

How to find the best prices for flights from Milwaukee (MKE) to Seattle (SEA)

Getting some of the best deals on flights from Milwaukee to Seattle is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, coinciding with when most travelers make their reservations. Evening departures from 6 PM to 12 AM tend to be more affordable, while Afternoon flights from 12 PM to 6 PM are the most popular. Additionally, flying on Wednesdays usually offers lower prices, even though Thursdays are the busiest travel days.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Seattle - Tacoma International Airport from General Mitchell International Airport

Seattle welcomes travelers from Milwaukee with a range of transport options based on price, convenience, and proximity. Seattle city center is approximately a 20-minute drive (covering about 14 miles) from Seattle - Tacoma International Airport, depending on traffic. Here's how to reach Seattle efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Seattle, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Seattle - Tacoma International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Seattle - Tacoma International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Seattle - Tacoma International Airport, SeaTac/Airport Station, a metro station, is located about 0.3 miles away on foot, while Tukwila Station, a train station, is approximately 4.3 miles from the airport and is best reached by car.

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 $141 and cheap return flights from $281 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 December 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, Southwest Airlines, United
Roundtrip price
$280
Distance
1688 mi
Average flight time
4 hours 15 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 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 2026. You can also book with separate airlines for your outbound and return journeys, from $141 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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