$78 Cheap Flights from Milwaukee (MKE) to Seattle (SEA)

Bundle Your Flight + Hotel & Save!

Featured airlines

Top nine airline logos for desktop

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Milwaukee to Seattle (MKE-SEA)

Prices were available within the past 7 days and start at $78 for one-way flights and $151 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Spirit Airlines
Frontier Airlines
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, JetBlue Airways, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$151
Distance
1688 mi
Average flight time
2 hours 24 mins

Milwaukee to Seattle Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Milwaukee to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Milwaukee to Seattle may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from MKE to SEA today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Seattle are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Seattle more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is $78 now!

Frequently asked questions

How much is a one-way flight from MKE to Sea-Tac Airport?
Book with Expedia and you could bag one-way Milwaukee flights to Seattle from $76. This was the cheapest fare found for this route with a departure date in the next three months — an Spirit Airlines flight, departing MKE on June 10 2024 and touching down at Seattle - Tacoma Intl. Airport (SEA). The price was updated on May 16 2024 and has not changed since. Ready to land your own bargain flights? Wonderful offers are just a click of a button away.
How long does it take to fly from General Mitchell Intl. Airport (MKE) to Sea-Tac Airport?
A direct flight with Alaska Airlines takes approximately 4 hours and 24 minutes. Grab a seat on the 2:20PM flight from Mitchell Intl. Airport and touch down at Seattle - Tacoma Intl. Airport (SEA) at 4:44PM. Pick up a top deal on this and many other routes when you book with Expedia.
Is it cheaper to buy a plane ticket from Mitchell Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) last minute?
Being the spontaneous type is a fantastic way to travel the world, but it’s not necessarily the cleverest way to land a cheap airfare. It’s better to book your General Mitchell Intl. Airport (MKE) to Sea-Tac Airport journey well ahead of time rather than waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. We recommend saving that spontaneity for when you arrive at your destination!
What is the cheapest airline flying from MKE to Sea-Tac Airport in the next 90 days?
Based on airfares found on Expedia with a departure date within the next 90 days, Spirit Airlines is the cheapest airline flying from Milwaukee to Seattle. The fare between these destinations starts at $76. This flight leaves Mitchell Intl. Airport on June 10 2024 and touches down at Seattle - Tacoma Intl. Airport (SEA). The price was last updated on May 16 2024 and has not changed since.
What's the cheapest price for a flight from MKE to SEA next month?
You can grab a flight from Milwaukee to Seattle for $76. This is the cheapest ticket price for this route departing in the next month. It’s an Spirit Airlines flight leaving MKE on June 10 2024 and touching down at Sea-Tac Airport. The ticket price was updated on May 16 2024 and has not changed since. It was found after looking at all available flights on Expedia within the next 30 days.
What airline has the least delays from Mitchell Intl. Airport to Sea-Tac Airport?
With an on-time performance rate of 81%, Alaska Airlines is the airline most likely to fly you from Mitchell Intl. Airport to Sea-Tac Airport without any delays. Flight delays can be an excuse to head to the airport bar. However, they can also cause you to miss a connection or even ruin your entire vacation. Stay updated about delays by checking your flight status through the free Expedia App before you even reach the airport. If you’re already at your gate and the delay will significantly impact your plans, visit your airline’s customer service desk to see what your options are.
Can I find cheap nonstop flights from MKE to Sea-Tac Airport in the next three months?
The best price we could find for a roundtrip nonstop flight from Milwaukee to Seattle within the next 90 days is $226. This amount is based on available flights on Expedia with a departure date within the next three months. This fare is for a flight via Alaska Airlines leaving Mitchell Intl. Airport on June 4 2024 and landing at Sea-Tac Airport, with a return journey on June 5 2024. Pricing details were last updated on May 16 2024.To locate nonstop cheap flights flying from Mitchell Intl. Airport to SEA, use our filters once you’ve hit the search button. Simply click on “Nonstop” under “Filter by” to the left of the page to go over your options. Your results will be organized from the lowest price, so you’ll see the cheapest nonstop tickets first. You’re also able to compare ticket prices for nearby days by clicking “Flexible dates” located on the same page.
What airports do you fly into for Seattle from Milwaukee?
From Milwaukee, you can connect to Seattle through Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI). It’s wise to check which terminal works best for you before you make a decision. If you decide to land at Seattle - Tacoma Intl. Airport (SEA), it’s roughly 12 mi south of the city center. Use the dollars you save when booking your fare with Expedia to visit the city’s popular sights, such as Space Needle and Pike Place Market.
What are the most popular departure times for flights from General Mitchell Intl. Airport (MKE) to Sea-Tac Airport?
For Alaska Airlines flights from MKE to Sea-Tac Airport, the most popular period is between 2:00 PM - 3:00 PM. If you’d like to avoid any delays, head out in the morning. This way you’re more likely to dodge the heavy air traffic that accumulates in the afternoon.
Can I change the date of my flight from Mitchell Intl. Airport to Seattle - Tacoma Intl. Airport (SEA)?
It’s so easy to make changes to your General Mitchell Intl. Airport (MKE) to Sea-Tac Airport journey yourself. Log in to the Expedia Trips portal and choose “change flight.” Look for new flights and choose the one that fits your plans. You’ll see an estimate of applicable flight change costs. Alternatively, head to our Customer Service portal to connect with our Virtual Agent and get answers to your questions.
Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available to One Key members.