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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 3/4. 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.
Alaska Airlines Logo
3:47 pm - 6:21 pm
MKE
-
SEA
4h 34mnonstop
Alaska Airlines Logo
9:11 am - 2:57 pm
SEA
-
MKE
3h 46mnonstop
$197Alaska Airlines
Fri, Feb 27 - Mon, Mar 16
American Airlines Logo
4:47 pm - 11:04 pm
MKE
-
SEA
8h 17m
1 stop
American Airlines Logo
11:59 pm - 11:01 am
SEA
-
MKE
9h 02m
1 stop
$207American Airlines
Fri, Mar 6 - Mon, Mar 9
Delta Logo
7:30 am - 2:44 pm
MKE
-
SEA
9h 14m
1 stop
Delta Logo
6:00 am - 4:08 pm
SEA
-
MKE
8h 08m
1 stop
$223Delta
Thu, Feb 19 - Tue, Feb 24
Alaska Airlines Logo
7:00 am - 9:27 am
MKE
-
SEA
4h 27mnonstop
Alaska Airlines Logo
6:00 pm - 11:58 pm
SEA
-
MKE
3h 58mnonstop
$227Alaska Airlines
Sat, Apr 25 - Fri, May 1
Delta Logo
6:59 pm - 11:40 pm
MKE
-
SEA
6h 41m
1 stop
Delta Logo
11:59 pm - 8:39 am
SEA
-
MKE
6h 40m
1 stop
$228Delta
Mon, Mar 16 - Mon, Mar 23
Delta Logo
7:20 am - 2:46 pm
MKE
-
SEA
9h 26m
1 stop
Delta Logo
6:00 am - 3:03 pm
SEA
-
MKE
7h 03m
1 stop
$229Delta
Wed, Apr 22 - Tue, Apr 28
American Airlines Logo
7:32 am - 2:10 pm
MKE
-
SEA
8h 38m
1 stop
American Airlines Logo
10:08 pm - 11:03 am
SEA
-
MKE
10h 55m
1 stop
$234American Airlines
Tue, Feb 10 - Tue, Feb 17
Alaska Airlines Logo
3:53 pm - 6:21 pm
MKE
-
SEA
4h 28mnonstop
Alaska Airlines Logo
8:17 am - 2:14 pm
SEA
-
MKE
3h 57mnonstop
$237Alaska Airlines
Mon, Mar 16 - Thu, Mar 19
American Airlines Logo
5:00 am - 9:54 am
MKE
-
SEA
6h 54m
1 stop
American Airlines Logo
12:59 am - 11:00 am
SEA
-
MKE
8h 01m
1 stop
$238American Airlines
Thu, May 7 - Mon, May 11
Delta Logo
7:20 am - 2:46 pm
MKE
-
SEA
9h 26m
1 stop
Delta Logo
6:00 am - 3:03 pm
SEA
-
MKE
7h 03m
1 stop
$242Delta
Wed, Apr 22 - Thu, Apr 30

American Airlines flights from Milwaukee to Seattle

Our best American Airlines deals on Milwaukee to Seattle flight tickets
American Airlines
Mar 6
MKE4:47 pmMilwaukee-Mitchell
8h 17m
1 stop
SEA11:04 pmSeattle/Tacoma Intl
Mar 9
SEA11:59 pmSeattle/Tacoma Intl
9h 02m
1 stop
MKE11:01 amMilwaukee-Mitchell
$207
American Airlines
Feb 10
MKE7:32 amMilwaukee-Mitchell
8h 38m
1 stop
SEA2:10 pmSeattle/Tacoma Intl
Feb 17
SEA10:08 pmSeattle/Tacoma Intl
10h 55m
1 stop
MKE11:03 amMilwaukee-Mitchell
$234
American Airlines
May 7
MKE5:00 amMilwaukee-Mitchell
6h 54m
1 stop
SEA9:54 amSeattle/Tacoma Intl
May 11
SEA12:59 amSeattle/Tacoma Intl
8h 01m
1 stop
MKE11:00 amMilwaukee-Mitchell
$238

Southwest flights from Milwaukee to Seattle

Our best Southwest deals on Milwaukee to Seattle flight tickets
Southwest
Mar 21
MKE7:50 pmMilwaukee-Mitchell
7h 30m
1 stop
SEA1:20 amSeattle/Tacoma Intl
Mar 29
SEA2:00 pmSeattle/Tacoma Intl
9h 55m
1 stop
MKE1:55 amMilwaukee-Mitchell
$252
Southwest
Mar 23
MKE6:20 pmMilwaukee-Mitchell
9h 20m
2 stops
SEA1:40 amSeattle/Tacoma Intl
Mar 30
SEA3:45 pmSeattle/Tacoma Intl
7h 10m
1 stop
MKE12:55 amMilwaukee-Mitchell
$253
Southwest
Mar 22
MKE6:35 pmMilwaukee-Mitchell
6h 30m
1 stop
SEA11:05 pmSeattle/Tacoma Intl
Mar 29
SEA11:55 pmSeattle/Tacoma Intl
9h 50m
1 stop
MKE11:45 amMilwaukee-Mitchell
$255

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 January 29, 2026.
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

Fri 2/27

3:47 pm-6:21 pm

Nonstop4h 34m

Seattle/Tacoma Intl

Mon 3/16

9:11 am-2:57 pm

Nonstop3h 46m

$197

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 3/6

4:47 pm-11:04 pm

1 stop8h 17m

Seattle/Tacoma Intl

Mon 3/9

11:59 pm-11:01 am

1 stop9h 02m

$207

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Thu 2/19

7:30 am-2:44 pm

1 stop9h 14m

Seattle/Tacoma Intl

Tue 2/24

6:00 am-4:08 pm

1 stop8h 08m

$223

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Sat 4/25

7:00 am-9:27 am

Nonstop4h 27m

Seattle/Tacoma Intl

Fri 5/1

6:00 pm-11:58 pm

Nonstop3h 58m

$227

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Mon 3/16

6:59 pm-11:40 pm

1 stop6h 41m

Seattle/Tacoma Intl

Mon 3/23

11:59 pm-8:39 am

1 stop6h 40m

$228

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 4/22

7:20 am-2:46 pm

1 stop9h 26m

Seattle/Tacoma Intl

Tue 4/28

6:00 am-3:03 pm

1 stop7h 03m

$229

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Tue 2/10

7:32 am-2:10 pm

1 stop8h 38m

Seattle/Tacoma Intl

Tue 2/17

10:08 pm-11:03 am

1 stop10h 55m

$234

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Mon 3/16

3:53 pm-6:21 pm

Nonstop4h 28m

Seattle/Tacoma Intl

Thu 3/19

8:17 am-2:14 pm

Nonstop3h 57m

$237

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Thu 5/7

5:00 am-9:54 am

1 stop6h 54m

Seattle/Tacoma Intl

Mon 5/11

12:59 am-11:00 am

1 stop8h 01m

$238

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 4/22

7:20 am-2:46 pm

1 stop9h 26m

Seattle/Tacoma Intl

Thu 4/30

6:00 am-3:03 pm

1 stop7h 03m

$242

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 typical price of a round-trip flight between Milwaukee and Seattle?

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 $437. 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 $520.

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

Flying to Seattle from Milwaukee in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $375 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $508. 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 $358 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 10% 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 January 2026, prices for Milwaukee to Seattle flights are approximately 48% 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

$245

Fastest flight time

4h 27m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Milwaukee in the past 72 hours is $245. The best round-trip flight deal from Milwaukee to Seattle found on momondo in the last 72 hours is $295.
The fastest flight from Milwaukee to Seattle takes 4h 27m
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 27m.

  • 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
DeltaPriceFrom $125Free CancellationRating
7.9
8,127 reviews
Search Delta flights
SouthwestPriceFrom $165Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $208Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $227Free CancellationRating
8.0
11,808 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Milwaukee to Seattle

    Alaska Airlines is one of the most popular airlines flying from Milwaukee to Seattle, operating 2 flights/week on average for this route. A good Alaska Airlines flight deal for Milwaukee to Seattle starts from $227 round-trip, up to an average price of $388. 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, 2,830 ratings). Hawaiian Airlines flies from Milwaukee to Seattle around 3 times per week, with deals starting from $208 round-trip and rising to an average price of around $392.

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
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
Tumwater

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

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