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Cheap flights from Seattle to Milwaukee from $90

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 12/15. 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

Enter your travel dates to find the best prices.
American Airlines Logo
5:24 am - 5:04 pmSEA-MKE
9h 40m1 stop
American Airlines Logo
8:05 am - 1:54 pmMKE-SEA
7h 49m1 stop
$245American Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
Alaska Airlines Logo
6:06 pm - 11:59 pmSEA-MKE
3h 53mnonstop
Alaska Airlines Logo
7:00 am - 9:28 amMKE-SEA
4h 28mnonstop
$247Alaska Airlines
Find Deal
Sat, Dec 27 - Tue, Jan 6
Delta Logo
11:15 am - 9:45 pmSEA-MKE
8h 30m1 stop
Delta Logo
7:31 pm - 12:01 amMKE-SEA
6h 30m1 stop
$248Delta
Find Deal
Mon, Nov 17 - Fri, Nov 21
United Airlines Logo
7:00 am - 5:07 pmSEA-MKE
8h 07m1 stop
United Airlines Logo
5:00 am - 12:03 pmMKE-SEA
9h 03m1 stop
$250United Airlines
Find Deal
Mon, Dec 22 - Thu, Dec 25
United Airlines Logo
12:00 pm - 10:43 pmSEA-MKE
8h 43m2 stops
United Airlines Logo
5:00 am - 9:50 amMKE-SEA
6h 50m1 stop
$251United Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
American Airlines Logo
12:59 am - 11:10 amSEA-MKE
8h 11m1 stop
American Airlines Logo
3:25 pm - 9:16 pmMKE-SEA
7h 51m1 stop
$256American Airlines
Find Deal
Wed, Nov 12 - Fri, Nov 14
Alaska Airlines Logo
8:11 am - 2:09 pmSEA-MKE
3h 58mnonstop
Alaska Airlines Logo
7:00 am - 9:28 amMKE-SEA
4h 28mnonstop
$257Alaska Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
Southwest Logo
10:50 am - 10:00 pmSEA-MKE
9h 10m2 stops
Southwest Logo
8:05 pm - 12:35 amMKE-SEA
6h 30m1 stop
$259Southwest
Find Deal
Fri, Dec 5 - Sun, Dec 7
Southwest Logo
5:15 am - 6:25 pmSEA-MKE
11h 10m2 stops
Southwest Logo
6:10 pm - 10:55 pmMKE-SEA
6h 45m1 stop
$261Southwest
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Thu, Nov 13 - Mon, Nov 17
Delta Logo
6:00 am - 4:05 pmSEA-MKE
8h 05m1 stop
Delta Logo
5:49 pm - 11:31 pmMKE-SEA
7h 42m1 stop
$294Delta
Find Deal
Sat, Dec 13 - Sun, Jan 4

American Airlines flights from Seattle to Milwaukee

Our best American Airlines deals on Seattle to Milwaukee flight tickets
American Airlines
Nov 12
SEA5:24 amSeattle/Tacoma Intl
9h 40m
1 stop
MKE5:04 pmMilwaukee-Mitchell
Nov 15
MKE8:05 amMilwaukee-Mitchell
7h 49m
1 stop
SEA1:54 pmSeattle/Tacoma Intl
$245
Find similar
American Airlines
Nov 12
SEA12:59 amSeattle/Tacoma Intl
8h 11m
1 stop
MKE11:10 amMilwaukee-Mitchell
Nov 14
MKE3:25 pmMilwaukee-Mitchell
7h 51m
1 stop
SEA9:16 pmSeattle/Tacoma Intl
$256
Find similar
American Airlines
Nov 18
SEA12:41 amSeattle/Tacoma Intl
8h 39m
1 stop
MKE11:20 amMilwaukee-Mitchell
Nov 25
MKE5:00 amMilwaukee-Mitchell
7h 05m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$262
Find similar

United Airlines flights from Seattle to Milwaukee

Our best United Airlines deals on Seattle to Milwaukee flight tickets
United Airlines
Dec 22
SEA7:00 amSeattle/Tacoma Intl
8h 07m
1 stop
MKE5:07 pmMilwaukee-Mitchell
Dec 25
MKE5:00 amMilwaukee-Mitchell
9h 03m
1 stop
SEA12:03 pmSeattle/Tacoma Intl
$250
Find similar
United Airlines
Nov 19
SEA12:00 pmSeattle/Tacoma Intl
8h 43m
2 stops
MKE10:43 pmMilwaukee-Mitchell
Nov 25
MKE5:00 amMilwaukee-Mitchell
6h 50m
1 stop
SEA9:50 amSeattle/Tacoma Intl
$251
Find similar
United Airlines
Nov 12
SEA5:00 amSeattle/Tacoma Intl
6h 14m
1 stop
MKE1:14 pmMilwaukee-Mitchell
Nov 15
MKE8:44 amMilwaukee-Mitchell
9h 31m
2 stops
SEA4:15 pmSeattle/Tacoma Intl
$276
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 October 30, 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

Wed 11/12

5:24 am-5:04 pm

1 stop9h 40m

Milwaukee-Mitchell

Sat 11/15

8:05 am-1:54 pm

1 stop7h 49m

$245

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Sat 12/27

6:06 pm-11:59 pm

Nonstop3h 53m

Milwaukee-Mitchell

Tue 1/6

7:00 am-9:28 am

Nonstop4h 28m

$247

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Mon 11/17

11:15 am-9:45 pm

1 stop8h 30m

Milwaukee-Mitchell

Fri 11/21

7:31 pm-12:01 am

1 stop6h 30m

$248

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Mon 12/22

7:00 am-5:07 pm

1 stop8h 07m

Milwaukee-Mitchell

Thu 12/25

5:00 am-12:03 pm

1 stop9h 03m

$250

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Wed 11/19

12:00 pm-10:43 pm

2 stops8h 43m

Milwaukee-Mitchell

Tue 11/25

5:00 am-9:50 am

1 stop6h 50m

$251

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Wed 11/12

12:59 am-11:10 am

1 stop8h 11m

Milwaukee-Mitchell

Fri 11/14

3:25 pm-9:16 pm

1 stop7h 51m

$256

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Thu 12/25

8:11 am-2:09 pm

Nonstop3h 58m

Milwaukee-Mitchell

Thu 1/1

7:00 am-9:28 am

Nonstop4h 28m

$257

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Fri 12/5

10:50 am-10:00 pm

2 stops9h 10m

Milwaukee-Mitchell

Sun 12/7

8:05 pm-12:35 am

1 stop6h 30m

$259

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Thu 11/13

5:15 am-6:25 pm

2 stops11h 10m

Milwaukee-Mitchell

Mon 11/17

6:10 pm-10:55 pm

1 stop6h 45m

$261

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Sat 12/13

6:00 am-4:05 pm

1 stop8h 05m

Milwaukee-Mitchell

Sun 1/4

5:49 pm-11:31 pm

1 stop7h 42m

$294

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 September. Flight prices, which tend to average around $291, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Milwaukee, with average flight prices from Seattle averaging around $305.

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

According to our data, Wednesday is the cheapest day to fly to Milwaukee from Seattle. The lowest ticket price found for a Wednesday departure recently was $383. 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 $546. 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 $444 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 $383 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 $320 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 October 2025, prices for Seattle to Milwaukee flights are approximately 7% 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

$203

Fastest flight time

3h 49m

Direct flights

Every day

Airports in Milwaukee

1 airport
The best one-way flight to Milwaukee from Seattle in the past 72 hours is $203. The best round-trip flight deal from Seattle to Milwaukee found on momondo in the last 72 hours is $257.
The fastest flight from Seattle to Milwaukee takes 3h 49m
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
SouthwestPriceFrom $178Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $215Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $230Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $237Free CancellationRating
7.8
2,797 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
11,214 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 1 flight/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 $432. 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, 2,797 ratings). Hawaiian Airlines flies from Seattle to Milwaukee around 4 times per week, with deals starting from $237 round-trip and rising to an average price of around $376.

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
New Berlin
Grafton

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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