MKE - SEA

$94 Find Cheap Flights from Milwaukee to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Milwaukee to Seattle departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Milwaukee to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Milwaukee to Seattle.
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Everything you should know

Cheapest round-trip
$177
Overall average: $334
Alaska Airlines
Sat 4/4Sat 4/11
MKE - SEA • Non-stop
Cheapest one-way
$94
Typical prices: $166-$273
American Airlines
Tue 4/14
MKE - SEA • 1 stop
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Top airlines
Alaska Airlines
Cheapest • from $177 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 20% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 16% price drop
July
Most popular
Good to know
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+1
+1
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Flight Deals

Cheap Flights from Milwaukee to Seattle (MKE-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Milwaukee to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Milwaukee to Seattle

Sat, Apr 4 - Sat, Apr 11
Alaska Airlines Logo
3:10 pm - 5:38 pm
MKE
-
SEA
4h 28mnonstop
Alaska Airlines Logo
8:17 am - 2:14 pm
SEA
-
MKE
3h 57mnonstop
$177Alaska Airlines
Tue, Mar 10 - Mon, Mar 16
American Airlines Logo
11:51 am - 7:25 pm
MKE
-
SEA
9h 34m
1 stop
American Airlines Logo
12:59 am - 11:01 am
SEA
-
MKE
8h 02m
1 stop
$187American Airlines
Fri, Mar 6 - Wed, Mar 11
Delta Logo
5:03 pm - 10:05 pm
MKE
-
SEA
7h 02m
1 stop
Delta Logo
6:00 am - 4:06 pm
SEA
-
MKE
8h 06m
1 stop
$192Delta
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
5:41 pm - 12:30 am
MKE
-
SEA
8h 49m
1 stop
American Airlines Logo
11:55 pm - 10:59 am
SEA
-
MKE
9h 04m
1 stop
$197American Airlines
Mon, Mar 2 - Wed, Mar 18
Delta Logo
1:21 pm - 7:00 pm
MKE
-
SEA
7h 39m
1 stop
Delta Logo
11:25 am - 9:15 pm
SEA
-
MKE
7h 50m
1 stop
$202Delta
Fri, Mar 6 - Mon, Mar 9
Delta Logo
5:03 pm - 10:05 pm
MKE
-
SEA
7h 02m
1 stop
Delta Logo
11:59 pm - 8:39 am
SEA
-
MKE
6h 40m
1 stop
$207Delta
Sat, Apr 4 - Sat, Apr 11
American Airlines Logo
3:05 pm - 9:16 pm
MKE
-
SEA
8h 11m
1 stop
American Airlines Logo
11:28 pm - 7:41 am
SEA
-
MKE
6h 13m
1 stop
$217American Airlines
Fri, Apr 24 - Sun, May 3
Frontier Logo
7:37 pm - 9:27 am
MKE
-
SEA
15h 50m
1 stop
Frontier Logo
6:57 pm - 6:59 pm
SEA
-
MKE
22h 02m
1 stop
$222Frontier
Thu, May 7 - Tue, May 12
Alaska Airlines Logo
7:00 am - 9:27 am
MKE
-
SEA
4h 27mnonstop
Alaska Airlines Logo
8:05 am - 2:13 pm
SEA
-
MKE
4h 08mnonstop
$227Alaska Airlines
Wed, Apr 15 - Thu, Apr 23
American Airlines Logo
5:06 am - 10:14 am
MKE
-
SEA
7h 08m
1 stop
American Airlines Logo
11:28 pm - 7:41 am
SEA
-
MKE
6h 13m
1 stop
$229American Airlines
Booking Insights

KAYAK's insights & trends for Milwaukee to Seattle flights

Get data-powered insights and trends into flights from Milwaukee to Seattle to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to Seattle
Find cheap flights to Seattle

Planning a trip from Milwaukee to Seattle? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from Milwaukee to Seattle?

The average price of all round-trip flights from Milwaukee to Seattle clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Seattle on a Thursday and more expensive on a Sunday. On your return trip to Milwaukee, you should consider flying back on a Tuesday, and avoid Mondays for better deals.

What is the cheapest month to fly from Milwaukee to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Milwaukee to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Milwaukee to Seattle is February, where tickets cost $295 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $499 and $415 respectively.

Can I save money by flying with a layover from Milwaukee to Seattle?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $297, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Milwaukee to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Milwaukee to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Milwaukee to Seattle, you should book around 2 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$94
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 18% increase in price.
Flight from Milwaukee to Seattle

When to book flights from Milwaukee to Seattle

Are your dates flexible? Find out the best times to travel from Milwaukee to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Milwaukee to Seattle

  • How can I fly from MKE to SEA?

    American Airlines and Alaska Airlines are two carriers that operate non-stop flights between MKE and SEA. Many airlines operate one-stop flights as well. Some of these include United Airlines, Spirit Airlines, Alaska Airlines, Delta, and American Airlines. Layover cities include Chicago (ORD), Minneapolis (MSP), Denver (DEN), and Las Vegas (LAS).

  • Does MKE have any facilities for nursing mothers?

    Yes. If you are a traveling mom who wishes to breastfeed in private or needs to pump before your flight, you are in luck. MKE has Mamava pods in three of the terminals. A Mamava pod is a freestanding lactation suite made of Corian and fiberglass. Inside the 4x8 unit, you will find two benches, a shelf, a mirror, a coat hook, an exhaust fan, motion-activated lighting, and an appropriately placed power outlet. These nursing suites can be found across from the Miller Brew House in the Main Terminal, at Bronzeville on Concourse C, and near the Children's Play Area on Concourse D.

  • Does MKE have a USO?

    Yes. There is a USO lounge at MKE before security in the Main Terminal. This lounge welcomes any active-duty member of the US military who is traveling. Open from 8 am to 8 pm on Monday and Tuesday and from 8 am to 6 pm on Wednesday thru Sunday, this USO offers TV, comfortable seating, computers, and beverages and snacks.

  • How do I get from SEA into downtown Seattle?

    At SEA, take a short walk to the fourth floor of the parking garage where you will find the Light Rail Station. Here you can take the Light Rail #1 and you can alight at various locations throughout Seattle. This trip takes approximately 40min.

  • What is the cheapest flight from Milwaukee to Seattle?

    In the last 3 days, the lowest price for a flight from Milwaukee to Seattle was $94 for a one-way ticket and $177 for a round-trip.

  • Do I need a passport to fly between Milwaukee and Seattle?

    No

  • Which airports will I be using when flying from Milwaukee to Seattle?

    On your way to Seattle, you’ll fly out from Milwaukee-Mitchell. You’ll be landing at Seattle/Tacoma Intl.

  • Which airlines offer Wi-Fi service onboard planes from Milwaukee to Seattle?

    Alaska Airlines, Hawaiian Airlines, Air Canada, American Airlines, and Delta offer inflight Wi-Fi service on the Milwaukee to Seattle flight route.

  • Which aircraft models fly most regularly from Milwaukee to Seattle?

    The Boeing 737 is the aircraft model that flies most regularly on the Milwaukee to Seattle flight route.

  • Which airline alliances offer flights from Milwaukee to Seattle?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Milwaukee and Seattle, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Milwaukee to Seattle?

    You can catch a nonstop flight from Milwaukee to Seattle on on Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday.

  • Which is the best airline for flights from Milwaukee to Seattle, Alaska Airlines or Southwest?

    The two airlines most popular with KAYAK users for flights from Milwaukee to Seattle are Alaska Airlines and Southwest. With an average price for the route of $386 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Southwest is also a great choice for the route, with an average price of $363 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Milwaukee to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Milwaukee to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Milwaukee to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Milwaukee is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Milwaukee to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Milwaukee with another airline. Booking your flights between Milwaukee and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Milwaukee to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Milwaukee up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Milwaukee to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $225 or less one-way and $294 or less round-trip.
  • Seattle-Tacoma International Airport (SEA) is a hub for Delta Airlines and Alaska Airlines. Milwaukee Mitchell International Airport (MKE) does not serve as a hub for any commercial airlines.
  • Every terminal of MKE has an indoor playground where children can entertain themselves and wear themselves out before a flight. Each of these play areas has soft airplanes that are safe and easy to climb on, small tunnels, and slides.
  • At MKE, you will find restrooms that have adult changing facilities. These accommodations are for adults and their caregivers and provide height-adjustable, adult-sized changing tables. These facilities can be found in the public restrooms in the Main Terminal and Concourse D.
  • If your muscles are sore or weary when you land at SEA, consider visiting a spa at the airport. At the Spa Terminal Gateway, you can ease the kinks out of your neck, back, and legs, or receive another relaxation treatment before you head into Seattle.
  • SEA provides relief areas for pets and service animals both inside and outside the terminals. Inside the terminals, you can find relief areas at Concourse D, Concourse S, Concourse N, the Central Terminal, and the International Arrivals Facility. Outside the terminal, there are pet relief areas on the north end by Alaska Airlines ticketing, on the north end by Alaska Airlines baggage claim, on the south end near the baggage claim past carousel one, and near the parking garage outside the first level near the blue elevators.

Prefer to fly direct from Milwaukee to Seattle?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Milwaukee-Mitchell to Seattle/Tacoma Intl.
Find which airlines fly direct from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Milwaukee-Mitchell to Seattle/Tacoma Intl

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Direct returns

Seattle/Tacoma Intl to Milwaukee-Mitchell

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Reviews of the top 5 airlines serving from Milwaukee to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Milwaukee to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Milwaukee to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11874 reviews
8.5Crew
7.8Comfort
7.0Entertainment
8.1Boarding
7.1Food
Airline reviews

The flight was on time and got in early which allowed us to get to our next flight.

10.0 ExcellentKen, Feb 2026
DFW - SEA
Read more Alaska Airlines reviews

The flight was on time and got in early which allowed us to get to our next flight.

The plane not having any overhead bin space was inconvenient. Anytime my luggage has to be checked it ends up covered in scratches and that’s not covered by the airlines for replacement/repair. The WiFi did not work or was not offered for the flight from Seattle to Vancouver.

Most of it was good. The flights were on time. The staff were helpful and friendly. I had a short time connecting flights and they let me deplane first and I made the connection. On the outbound from DTW to SEA I was seated in the middle of two very large people. I am petite and even with my arms crossed they were both hanging over into my seat touching me. The meal had way too much pepper and spice, my lips were burning. Other than those two issues, I was pleased with the service and the trip and will use Alaska Air again.

Wheelchair assistant was on the spot, and very helpful. Gate agent was kind, and made sure I boarded the plane without having to try to hurry with my painful hip. My seat was so comfortable, 20A. I am tall, 5'9 and I need to stretch out my legs due to chronic nerve pain in my back that runs down my right leg, in addition to the bursitis in my right hip. Alaska air has the best economy seating in the market. So much room for legs, elbows, etc. When I arrived in SEA, the next Wheelchair was waiting to take me to the next gate. Great communication.

I had to cancel my trip due to health reasons three days after making the reservation. I was stunned to find out that the ticket was not able to be credited for future travel. $734 loss. Not happy that this was not my experience with Southwest Airlines. I will stick with SW in the future. Boo Alaskan Air and Kayak.

The staff was extremely helpful and accommodating. The only thing I could have done without was the long layover in between flights but I was going to a less popular destination so it was understandable.

All went well, right on time, easy boarding. We ordered the evergreens grain bowl and were surprised and pleased how adequate it was for vegan lunch! Landing was smooth and gate exit was easy

My seat and tray were filthy. Someone’s used straw was in the seat pocket and there were coffee stains and food crumbs on the tray table

On time, good boarding process very quick. Clean planes. Planes are tight, not much leg room ( i am only 5'8"). Some attendants are moving through aisles fiercely and pushing passengers. Got yelled for a tiny man bag that it is an extra personal tem ( size of a wallet) Wi-Fi on the plane does not work well with android phones.

I didn’t go, and can’t use a no refundable ticket.

Was forced to check in my small carry on, even though I informed the crew it has very fragile items inside

This was one of the worst flights I’ve been on in years. I upgraded to comfort and had such an uncomfortable experience. The person next to me was oversized - which I understand - however, they took up their space and mine. I could only use about 50% of my seat space to not be physically touching this person the entire flight and there was no spatial awareness. I also could not use the seat outlet because their body was obstructing it. It was very inconvenient. Their body kept touching me repeatedly during the flight and I felt very uncomfortable. To pay more for an upgraded space and then not even being able to use it was highly disappointing.

No wheel chair as requested at Atlanta arrival on first flight.

Only freetext wifi was available in flight; browsing WiFi required payment. Since the seats had no in flight entertainment, Delta should revisit this policy on this longer flight.

Only water, tea or coffee served midflight, even to comfort seating. Man next to me needed two seats and took up a portion of my seat and Delta did nothing.

The flight was great as well as the airline staff

Prior to takeoff, the pilot told us there was a possibility of not being able to land and going to Portland. Well that happened, we took off and then did 8 loops around Spokane before the pilot told us we ran out of fuel and had to go to Portland. So for a 35 minute flight we have now been on the plane for 3 hours (boarded at 6:50 am and landed in Portland at 10:30). Then, we just sat in Portland's airport with no updates of when we can start heading back. All of a sudden, our pilots and crew just left, leaving us stranded in a different city and state. We continued to sit in Portland until we finally got a new crew assigned and boarded the plane (This was from 10:30-2). We then sat on the plane for an additional hour before take off because they had to count us multiple times. We finally landed in Spokane at 3:55 PM. So a flight that should have taken at max an hour took us 10 hours and we missed the majority of the recruiting event we went for.

Probably not the fault of Delta but there was delay after delay after delay and I ended up getting home 4 hours later then I should have at 1:30 in the morning

Staff was great! Kind and cordial! Middle seat row 28 seat B has a hump in it. Trays were getting stuck when putting down and up. Good flight

This flight was no comparison to our prior flight. I'm thinking it all has to do with the age of the aircraft.

No charging outlets worked. Other than collecting trash attendants didn’t come around. No one could hear flight attendants announcements during the flight. Seat pads were horrible. Sitting on a board for 5 hours. What happened to Hawaiian airlines comfort, hospitality, and extras? Our pilots did an excellent job trying to minimize turbulence and incredible job in landing in windy conditions.

I like that if they asked you to checked in a bag at the gate they give you priority to board

Horrible food and crew. Crew were laughing and talking loud while people were trying to sleep

Yall need to integrate your system with Alaska more efficiently. They booted me off the first flight because of a discrepancy on your end.

The crew at Hawaiian Airlines was fantastic. Kind and hard working. The pilots were great with giving us all the updates to make sure we were informed.

Very good. Nice plane and we sat in economy plus - bigger seats, more room. They served a meal and snacks, and the meal was an apple stuffed pancake that was very good! The snack for us was a hummus sandwich - also very good. The flight attendants were helpful and nice. They have plenty of movies and shows to watch. My only negative -- they changed our flights around and did not adjust the layovers, so we ended up with a very long and unnecessary layover in Honolulu.

I liked the Starlink WiFi but didn't like how they said they were the only airline to offer a free meal and it turns out to be just a standalone sandwich and then charge for snacks to go with it. Rather have the free snacks like Southwest, but have the option to purchase a decent meal for a 5+ hour flight.

Flight scheduled to take off at 5.55pm but it did not take off until 7pm due to some food delivery delay.

Unfortunately, I was put into the middle seat in the first row of premium seating. Sounds nice right? No! that is the worst seat in the plane. I wish I was in economy rather than be in that seat! There is no seat back pocket, no tray table, no charger. Nothing! so unless you're row mates are willing to let you share their basic amenities any flyer should have, you are stuck. It was the worst experience ever! And the flight attendant forgot to take my drink order. I felt like the forgotten flyer.

Delayed and cancelled flights were hard and very stressful, both ways!

Short flight, but no drink/snack service. The flights both going and coming were delayed.

Much better than Spirit. I was please by the easy fast check in and boarding

Everything was on time Will use united again for sure

Plane outlets in my row not working to charge phone. Staff response was, well it should be. Plug into seed for volume not working well. Had to find the sweet spot for plug in or it would shut off and on.

Fine not above and beyond as I had a connection that was delayed due to maintenance

The power at the seat didn't work and the seat itself was difficult to adjust - this was a business class seat. Flight attendant gave me miles to compensate. The attendant was very professional and on top of his game the entire flight.

I upgraded my seat and was promised it would be next to the emergency door for extra leg room and they said it was premium plus but it was at the back of the plane...same thing happened from Newark to Dubai

Everything except the food and entertainment. It was a great experience though

Bad food, bad service, cold cabin with no additional blankets when asked for (they told me they don’t provide additional blankets). I’m a frequent traveler and this is one of the worst companies I traveled with (by the way I thought that I booked my ticket with Lufthansa but I didn’t see that the flights were handled by United).

United Airlines is my preferred airlines and I am thankful for Gary who also help support me on the phone to switch my flight literally last min.

The flight was on time/early, attentive crew, and everything overall went smoothly. Disappointed that WIFI was not working for the flight.

One day, I do so hope for a gluten free snack! Seems like with the rest of the world FINALLY figuring out what gluten free is, American Airlines would too. Fingers crossed!!

The flight was significantly delayed for 6.5 hours because of snow. There was no communication once the plane returned to the gate regarding when the flight would resume. Other flights were departing while our flight was being unloaded for reasons unknown. Our flight also seemed out of the queue regarding further deicing, refueling, and waiting to Taxi to the runway.

Flight was on time and the meal and service were good.

Flight was delayed for 2 hours, then last minute the change to on time. The satélite location is far and a nightmare to get to.

This was a horrible experience. I’ve experienced several delays at this point and still not home. I was supposed to be home by 8:30 last night and here I sit at 7 am on a plane STILL unable to go home because of American Airlines.

Generally good. Flight left on time and the seats are comfortable. Plenty of space in front if you in you choose a comfort plus seat, completely worth spending the extra money given the amount of hours the flight lasts. The food tastes good but I would say it’s a the amount is too little. The crew was friendly and efficient. There was a some turbulence at different points into the flight. American Airlines has good deals to NZ if you book with plenty of time before you plan on going.

the plane was so hot!! the air-conditioning was barely blowing. The flight was delayed, and we had to sit on the hot plane before take off for an extended amount of time, waiting on international passengers. Would not have been so bad if it was not so hot. They said it would get better after take off, but it did not.

They are always late and seats was also not having working charger

We flew in first class. The crew did not offer drinks before the flight took off, but they treated us well during the flight. The food was excellent. There was actually too much food served, but it was nice to have all the options.

Everything you need to know for your flight from Milwaukee to Seattle

Information on your arrival and departure airports