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Cheap flights from Milwaukee to Seattle from $94

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Seattle departing on 1/20. 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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Find the cheapest flights from Milwaukee to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:03 am - 4:45 pm
MKE
-
SEA
7h 42m1 stop
Delta Logo
1:38 pm - 9:15 pm
SEA
-
MKE
5h 37m1 stop
$197Delta
Wed, Jan 14 - Sat, Jan 17
American Airlines Logo
3:53 pm - 11:51 pm
MKE
-
SEA
9h 58m1 stop
American Airlines Logo
11:12 pm - 11:17 am
SEA
-
MKE
10h 05m1 stop
$212American Airlines
Mon, Jan 12 - Mon, Jan 19
Hawaiian Airlines Logo
3:47 pm - 6:21 pm
MKE
-
SEA
4h 34mnonstop
Hawaiian Airlines Logo
9:05 am - 2:51 pm
SEA
-
MKE
3h 46mnonstop
$215Hawaiian Airlines
Fri, Feb 27 - Sun, Mar 1
Alaska Airlines Logo
3:05 pm - 5:31 pm
MKE
-
SEA
4h 26mnonstop
Alaska Airlines Logo
9:08 am - 2:57 pm
SEA
-
MKE
3h 49mnonstop
$217Alaska Airlines
Mon, Jan 5 - Mon, Jan 12
Delta Logo
5:55 pm - 11:26 pm
MKE
-
SEA
7h 31m1 stop
Delta Logo
11:59 pm - 8:14 am
SEA
-
MKE
6h 15m1 stop
$218Delta
Mon, May 4 - Thu, May 7
Delta Logo
5:00 pm - 9:50 pm
MKE
-
SEA
6h 50m1 stop
Delta Logo
6:00 am - 3:16 pm
SEA
-
MKE
7h 16m1 stop
$220Delta
Wed, Mar 18 - Thu, Mar 26
United Airlines Logo
8:33 am - 4:01 pm
MKE
-
SEA
9h 28m1 stop
United Airlines Logo
11:45 pm - 10:46 am
SEA
-
MKE
9h 01m1 stop
$227United Airlines
Thu, Feb 5 - Mon, Feb 9
United Airlines Logo
11:30 am - 9:15 pm
MKE
-
SEA
11h 45m2 stops
United Airlines Logo
7:00 am - 3:43 pm
SEA
-
MKE
6h 43m1 stop
$232United Airlines
Wed, Feb 4 - Sat, Feb 7
Delta Logo
5:00 pm - 9:50 pm
MKE
-
SEA
6h 50m1 stop
Delta Logo
6:00 am - 3:16 pm
SEA
-
MKE
7h 16m1 stop
$233Delta
Tue, Mar 17 - Sat, Mar 21
American Airlines Logo
4:47 pm - 11:30 pm
MKE
-
SEA
8h 43m1 stop
American Airlines Logo
11:57 pm - 11:01 am
SEA
-
MKE
9h 04m1 stop
$234American Airlines
Wed, Mar 25 - Tue, Mar 31

Delta flights from Milwaukee to Seattle

Our best Delta deals on Milwaukee to Seattle flight tickets
Delta
Jan 14
MKE11:03 amMilwaukee-Mitchell
7h 42m
1 stop
SEA4:45 pmSeattle/Tacoma Intl
Jan 17
SEA1:38 pmSeattle/Tacoma Intl
5h 37m
1 stop
MKE9:15 pmMilwaukee-Mitchell
$197
Find similar
Delta
May 4
MKE5:55 pmMilwaukee-Mitchell
7h 31m
1 stop
SEA11:26 pmSeattle/Tacoma Intl
May 7
SEA11:59 pmSeattle/Tacoma Intl
6h 15m
1 stop
MKE8:14 amMilwaukee-Mitchell
$218
Find similar
Delta
Mar 18
MKE5:00 pmMilwaukee-Mitchell
6h 50m
1 stop
SEA9:50 pmSeattle/Tacoma Intl
Mar 26
SEA6:00 amSeattle/Tacoma Intl
7h 16m
1 stop
MKE3:16 pmMilwaukee-Mitchell
$220
Find similar

American Airlines flights from Milwaukee to Seattle

Our best American Airlines deals on Milwaukee to Seattle flight tickets
American Airlines
Jan 12
MKE3:53 pmMilwaukee-Mitchell
9h 58m
1 stop
SEA11:51 pmSeattle/Tacoma Intl
Jan 19
SEA11:12 pmSeattle/Tacoma Intl
10h 05m
1 stop
MKE11:17 amMilwaukee-Mitchell
$212
Find similar
American Airlines
Feb 27
MKE11:17 amMilwaukee-Mitchell
11h 51m
1 stop
SEA9:08 pmSeattle/Tacoma Intl
Mar 2
SEA11:59 pmSeattle/Tacoma Intl
9h 00m
1 stop
MKE10:59 amMilwaukee-Mitchell
$232
Find similar
American Airlines
Mar 25
MKE4:47 pmMilwaukee-Mitchell
8h 43m
1 stop
SEA11:30 pmSeattle/Tacoma Intl
Mar 31
SEA11:57 pmSeattle/Tacoma Intl
9h 04m
1 stop
MKE11:01 amMilwaukee-Mitchell
$234
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Milwaukee to Seattle 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 December 17, 2025.
Use the filters below to find and compare flights from Milwaukee to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 1/14

11:03 am-4:45 pm

1 stop7h 42m

Seattle/Tacoma Intl

Sat 1/17

1:38 pm-9:15 pm

1 stop5h 37m

$197

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Mon 1/12

3:53 pm-11:51 pm

1 stop9h 58m

Seattle/Tacoma Intl

Mon 1/19

11:12 pm-11:17 am

1 stop10h 05m

$212

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 2/27

3:47 pm-6:21 pm

Nonstop4h 34m

Seattle/Tacoma Intl

Sun 3/1

9:05 am-2:51 pm

Nonstop3h 46m

$215

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Mon 1/5

3:05 pm-5:31 pm

Nonstop4h 26m

Seattle/Tacoma Intl

Mon 1/12

9:08 am-2:57 pm

Nonstop3h 49m

$217

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Mon 5/4

5:55 pm-11:26 pm

1 stop7h 31m

Seattle/Tacoma Intl

Thu 5/7

11:59 pm-8:14 am

1 stop6h 15m

$218

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 3/18

5:00 pm-9:50 pm

1 stop6h 50m

Seattle/Tacoma Intl

Thu 3/26

6:00 am-3:16 pm

1 stop7h 16m

$220

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Thu 2/5

8:33 am-4:01 pm

1 stop9h 28m

Seattle/Tacoma Intl

Mon 2/9

11:45 pm-10:46 am

1 stop9h 01m

$227

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 2/4

11:30 am-9:15 pm

2 stops11h 45m

Seattle/Tacoma Intl

Sat 2/7

7:00 am-3:43 pm

1 stop6h 43m

$232

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Tue 3/17

5:00 pm-9:50 pm

1 stop6h 50m

Seattle/Tacoma Intl

Sat 3/21

6:00 am-3:16 pm

1 stop7h 16m

$233

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 3/25

4:47 pm-11:30 pm

1 stop8h 43m

Seattle/Tacoma Intl

Tue 3/31

11:57 pm-11:01 am

1 stop9h 04m

$234

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 Seattle from

How to get the cheapest flight ticket from Milwaukee to Seattle

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 Seattle?

In general, February is the cheapest month to fly from Milwaukee to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $295. If you don’t want to visit Seattle in February, then you should wait until November to fly from Milwaukee, when ticket prices are also cheap, with an average price of $295.

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

On average, the least expensive day to fly to Seattle from Milwaukee is on a Thursday. momondo users have found tickets for Thursday departures for as low as $441. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Milwaukee because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $541.

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

Flying to Seattle from Milwaukee in the evening is the least expensive time of day to depart. momondo users have found prices as low as $269 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $505. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

You are more likely to see cheaper flights to Seattle from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $361 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Milwaukee for as low as $306 on momondo.

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

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

Can stopping save me money on Milwaukee to Seattle flights?

You could potentially save up to 4% on your flight if you consider stops on a Milwaukee to Seattle flight.

How have Milwaukee to Seattle flight prices changed over time?

As of December 2025, prices for Milwaukee to Seattle flights are approximately 35% more expensive when compared to flights at the same time last year.

When to book flights from Milwaukee to Seattle

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

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

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

Best Price Found

$231

Fastest flight time

4h 12m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Milwaukee in the past 72 hours is $231. The best round-trip flight deal from Milwaukee to Seattle found on momondo in the last 72 hours is $315.
The fastest flight from Milwaukee to Seattle takes 4h 12m
Direct flights go from Milwaukee to Seattle every day.
There is 1 airport in Seattle. From Milwaukee there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

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

    Milwaukee-Mitchell and Seattle/Tacoma Intl are 1686.6 mi apart from one another. In terms of flight time, this usually takes a little over 4h 12m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Milwaukee to Seattle

Compare and see reviews for airlines that fly from Milwaukee to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Sun Country AirPriceFrom $137Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
DeltaPriceFrom $175Free CancellationRating
7.9
8,006 reviews
Search Delta flights
SouthwestPriceFrom $176Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
American AirlinesPriceFrom $181Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $239Free CancellationRating
8.0
11,474 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $257Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights

  • Alaska Airlines Flights From Milwaukee to Seattle

    Alaska Airlines is one of the most popular airlines flying from Milwaukee to Seattle, operating 1 flight/week on average for this route. A good Alaska Airlines flight deal for Milwaukee to Seattle starts from $239 round-trip, up to an average price of $399. Our users have rated Alaska Airlines at 8.0/10.

  • Hawaiian Airlines Flights From Milwaukee to Seattle

    Another popular option for Milwaukee to Seattle flights is Hawaiian Airlines (7.8/10, 2,819 ratings). Hawaiian Airlines flies from Milwaukee to Seattle around 3 times per week, with deals starting from $257 round-trip and rising to an average price of around $400.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Federal Way
Lakewood
Fife
Centralia
Westport
Kirkland
Shoreline

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Milwaukee to Seattle. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Seattle from Milwaukee with this policy.

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

Once you have performed a search for Milwaukee to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Milwaukee to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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