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Cheap flights from Seattle to Milwaukee from $78

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Milwaukee departing on 1/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Alaska Airlines Logo
7:55 am - 1:55 pmSEA-MKE
4h 00mnonstop
Alaska Airlines Logo
2:47 pm - 5:10 pmMKE-SEA
4h 23mnonstop
$247Alaska Airlines
Find Deal
Sat, Oct 18 - Thu, Oct 23
Southwest Logo
4:00 pm - 12:05 amSEA-MKE
6h 05m1 stop
Southwest Logo
8:05 pm - 12:35 amMKE-SEA
6h 30m1 stop
$248Southwest
Find Deal
Fri, Nov 7 - Sun, Nov 9
United Airlines Logo
11:40 pm - 10:11 amSEA-MKE
8h 31m1 stop
United Airlines Logo
5:00 am - 9:43 amMKE-SEA
6h 43m1 stop
$249United Airlines
Find Deal
Fri, Oct 10 - Sun, Oct 12
American Airlines Logo
12:34 am - 10:33 amSEA-MKE
7h 59m1 stop
American Airlines Logo
4:59 pm - 12:27 amMKE-SEA
9h 28m1 stop
$253American Airlines
Find Deal
Sun, Oct 5 - Wed, Oct 8
United Airlines Logo
12:00 pm - 10:43 pmSEA-MKE
8h 43m2 stops
United Airlines Logo
6:05 am - 11:30 amMKE-SEA
7h 25m1 stop
$254United Airlines
Find Deal
Tue, Nov 11 - Sun, Nov 16
American Airlines Logo
12:59 am - 11:20 amSEA-MKE
8h 21m1 stop
American Airlines Logo
6:12 am - 1:10 pmMKE-SEA
8h 58m1 stop
$263American Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
Hawaiian Airlines Logo
9:09 am - 3:00 pmSEA-MKE
3h 51mnonstop
Hawaiian Airlines Logo
3:56 pm - 6:25 pmMKE-SEA
4h 29mnonstop
$276Hawaiian Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 2
Delta Logo
11:40 pm - 8:19 amSEA-MKE
6h 39m1 stop
Delta Logo
12:09 pm - 4:54 pmMKE-SEA
6h 45m1 stop
$277Delta
Find Deal
Sun, Oct 5 - Thu, Oct 9
Hawaiian Airlines Logo
9:09 am - 3:00 pmSEA-MKE
3h 51mnonstop
Hawaiian Airlines Logo
3:56 pm - 6:25 pmMKE-SEA
4h 29mnonstop
$286Hawaiian Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Delta Logo
7:25 am - 8:19 amSEA-MKE
22h 54m2 stops
Delta Logo
7:03 pm - 11:57 pmMKE-SEA
6h 54m1 stop
$314Delta
Find Deal
Tue, Oct 14 - Wed, Oct 22

Alaska Airlines flights from Seattle to Milwaukee

Our best Alaska Airlines deals on Seattle to Milwaukee flight tickets
Alaska Airlines
Oct 18
SEA7:55 amSeattle/Tacoma Intl
4h 00m
MKE1:55 pmMilwaukee-Mitchell
Oct 23
MKE2:47 pmMilwaukee-Mitchell
4h 23m
SEA5:10 pmSeattle/Tacoma Intl
$247
Find similar
Alaska Airlines
Jan 16
SEA7:55 amSeattle/Tacoma Intl
3h 50m
MKE1:45 pmMilwaukee-Mitchell
Jan 19
MKE2:36 pmMilwaukee-Mitchell
4h 24m
SEA5:00 pmSeattle/Tacoma Intl
$257
Find similar
Alaska Airlines
Oct 14
SEA7:55 amSeattle/Tacoma Intl
4h 00m
MKE1:55 pmMilwaukee-Mitchell
Oct 18
MKE2:47 pmMilwaukee-Mitchell
4h 23m
SEA5:10 pmSeattle/Tacoma Intl
$321
Find similar

Southwest flights from Seattle to Milwaukee

Our best Southwest deals on Seattle to Milwaukee flight tickets
Southwest
Sep 24
SEA6:45 amSeattle/Tacoma Intl
7h 20m
1 stop
MKE4:05 pmMilwaukee-Mitchell
Oct 1
MKE5:55 amMilwaukee-Mitchell
9h 25m
2 stops
SEA1:20 pmSeattle/Tacoma Intl
$244
Find similar
Southwest
Nov 7
SEA4:00 pmSeattle/Tacoma Intl
6h 05m
1 stop
MKE12:05 amMilwaukee-Mitchell
Nov 9
MKE8:05 pmMilwaukee-Mitchell
6h 30m
1 stop
SEA12:35 amSeattle/Tacoma Intl
$248
Find similar
Southwest
Dec 3
SEA10:50 amSeattle/Tacoma Intl
9h 10m
2 stops
MKE10:00 pmMilwaukee-Mitchell
Dec 9
MKE5:05 amMilwaukee-Mitchell
11h 20m
2 stops
SEA2:25 pmSeattle/Tacoma Intl
$258
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Seattle to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Sat 10/18

7:55 am-1:55 pm

Nonstop4h 00m

Milwaukee-Mitchell

Thu 10/23

2:47 pm-5:10 pm

Nonstop4h 23m

$247

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Fri 11/7

4:00 pm-12:05 am

1 stop6h 05m

Milwaukee-Mitchell

Sun 11/9

8:05 pm-12:35 am

1 stop6h 30m

$248

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Fri 10/10

11:40 pm-10:11 am

1 stop8h 31m

Milwaukee-Mitchell

Sun 10/12

5:00 am-9:43 am

1 stop6h 43m

$249

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Sun 10/5

12:34 am-10:33 am

1 stop7h 59m

Milwaukee-Mitchell

Wed 10/8

4:59 pm-12:27 am

1 stop9h 28m

$253

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Tue 11/11

12:00 pm-10:43 pm

2 stops8h 43m

Milwaukee-Mitchell

Sun 11/16

6:05 am-11:30 am

1 stop7h 25m

$254

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Thu 11/6

12:59 am-11:20 am

1 stop8h 21m

Milwaukee-Mitchell

Tue 11/11

6:12 am-1:10 pm

1 stop8h 58m

$263

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Wed 10/29

9:09 am-3:00 pm

Nonstop3h 51m

Milwaukee-Mitchell

Sun 11/2

3:56 pm-6:25 pm

Nonstop4h 29m

$276

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Sun 10/5

11:40 pm-8:19 am

1 stop6h 39m

Milwaukee-Mitchell

Thu 10/9

12:09 pm-4:54 pm

1 stop6h 45m

$277

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Thu 11/13

9:09 am-3:00 pm

Nonstop3h 51m

Milwaukee-Mitchell

Sun 11/16

3:56 pm-6:25 pm

Nonstop4h 29m

$286

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Tue 10/14

7:25 am-8:19 am

2 stops22h 54m

Milwaukee-Mitchell

Wed 10/22

7:03 pm-11:57 pm

1 stop6h 54m

$314

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Milwaukee from

How to get the cheapest flight ticket from Seattle to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Milwaukee?

The cheapest month to fly to Milwaukee from Seattle is in February. Flight prices, which tend to average around $305, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Milwaukee, with average flight prices from Seattle averaging around $327.

What is the cheapest day to depart on your flight to Milwaukee?

According to our data, Tuesday is the cheapest day to fly to Milwaukee from Seattle. The lowest ticket price found for a Tuesday departure recently was $372. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Seattle to Milwaukee on a Sunday will generally be more expensive and average around $552. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Milwaukee?

In the evening is the cheapest time of day to fly from Seattle to Milwaukee when you can find flight prices for as low as $306. Flying to Milwaukee in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Milwaukee, so prices are often more expensive at around $441 per ticket.

What is the cheapest Seattle/Tacoma Intl to Milwaukee-Mitchell flight route?

Fly from Seattle/Tacoma Intl to Milwaukee-Mitchell for the best Seattle/Tacoma Intl - Milwaukee-Mitchell flight prices

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

You are more likely to see cheaper flights to Milwaukee from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Milwaukee for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Milwaukee from Seattle for as low as $252 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Milwaukee-Mitchell flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Milwaukee-Mitchell flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Milwaukee flight prices changed over time?

As of September 2025, prices for Seattle to Milwaukee flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Milwaukee (SEA to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Milwaukee

Best Price Found

$212

Fastest flight time

3h 50m

Direct flights

Every day

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from Seattle in the past 72 hours is $212. The best round-trip flight deal from Seattle to Milwaukee found on momondo in the last 72 hours is $276.
The fastest flight from Seattle to Milwaukee takes 3h 50m
Direct flights go from Seattle to Milwaukee every day.
There is 1 airport near Milwaukee: Milwaukee-Mitchell (MKE)
Search flight deals

  • How far is Seattle/Tacoma Intl to Milwaukee-Mitchell by plane?

    Milwaukee-Mitchell is 1686.6 mi away from Seattle/Tacoma Intl. Typically, this will take 3h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Milwaukee-Mitchell Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Milwaukee-Mitchell Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Milwaukee-Mitchell Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Milwaukee-Mitchell Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Milwaukee-Mitchell Airport.

  • What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

    The necessary travel and health documents for your Milwaukee-Mitchell Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Milwaukee?

  • What is the most popular airline from Seattle to Milwaukee?

Best airlines flying from Seattle to Milwaukee

Compare and see reviews for airlines that fly from Seattle to Milwaukee with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $197Free CancellationRating
7.9
7,954 reviews
Search Delta flights
SouthwestPriceFrom $200Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
American AirlinesPriceFrom $230Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $237Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Milwaukee

    Alaska Airlines is one of the most popular airlines flying from Seattle to Milwaukee, operating 14 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Milwaukee starts from $257 round-trip, up to an average price of $426. Our users have rated Alaska Airlines at 8.0/10.

  • Hawaiian Airlines Flights From Seattle to Milwaukee

    Another popular option for Seattle to Milwaukee flights is Hawaiian Airlines (7.8/10, 2,723 ratings). Hawaiian Airlines flies from Seattle to Milwaukee around 15 times per week, with deals starting from $237 round-trip and rising to an average price of around $390.

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Waukesha
Wauwatosa
Oak Creek
Mequon
Glendale
Kohler
Pewaukee
West Bend
Port Washington
Grafton
New Berlin

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Milwaukee?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Milwaukee from Seattle.

Can I find flights from Seattle to Milwaukee with flexible booking policies on momondo?

Yes. All flights to Milwaukee from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Milwaukee?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Milwaukee.

I’m not ready to book a flight from Seattle to Milwaukee right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Milwaukee flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Milwaukee trip

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