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Cheap flights from Milwaukee to Seattle from $67

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 10/22. 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

American Airlines Logo
5:25 am - 9:49 amMKE-SEA
6h 24m1 stop
American Airlines Logo
12:34 am - 10:18 amSEA-MKE
7h 44m1 stop
$199American Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
American Airlines Logo
2:27 pm - 8:09 pmMKE-SEA
7h 42m1 stop
American Airlines Logo
11:24 pm - 10:43 amSEA-MKE
9h 19m1 stop
$200American Airlines
Find Deal
Thu, Oct 2 - Tue, Oct 7
United Airlines Logo
12:05 pm - 6:49 pmMKE-SEA
8h 44m1 stop
United Airlines Logo
1:57 pm - 9:56 pmSEA-MKE
5h 59m1 stop
$215United Airlines
Find Deal
Tue, Oct 7 - Sat, Oct 11
Alaska Airlines Logo
3:56 pm - 6:25 pmMKE-SEA
4h 29mnonstop
Alaska Airlines Logo
9:09 am - 3:00 pmSEA-MKE
3h 51mnonstop
$231Alaska Airlines
Find Deal
Thu, Oct 30 - Sat, Nov 1
Hawaiian Airlines Logo
2:47 pm - 5:10 pmMKE-SEA
4h 23mnonstop
Hawaiian Airlines Logo
7:55 am - 1:55 pmSEA-MKE
4h 00mnonstop
$237Hawaiian Airlines
Find Deal
Wed, Oct 22 - Sat, Oct 25
United Airlines Logo
3:44 pm - 11:29 pmMKE-SEA
9h 45m2 stops
United Airlines Logo
1:57 pm - 9:56 pmSEA-MKE
5h 59m1 stop
$238United Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
Hawaiian Airlines Logo
2:47 pm - 5:10 pmMKE-SEA
4h 23mnonstop
Hawaiian Airlines Logo
9:09 am - 3:00 pmSEA-MKE
3h 51mnonstop
$247Hawaiian Airlines
Find Deal
Fri, Oct 24 - Wed, Oct 29
Delta Logo
4:00 pm - 8:15 pmMKE-SEA
6h 15m1 stop
Delta Logo
11:40 pm - 8:15 amSEA-MKE
6h 35m1 stop
$251Delta
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Sat, Sep 27 - Wed, Oct 1
Delta Logo
5:49 pm - 11:43 pmMKE-SEA
7h 54m1 stop
Delta Logo
11:40 pm - 8:15 amSEA-MKE
6h 35m1 stop
$267Delta
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Fri, Sep 26 - Mon, Sep 29
Alaska Airlines Logo
2:36 pm - 5:00 pmMKE-SEA
4h 24mnonstop
Alaska Airlines Logo
7:55 am - 1:45 pmSEA-MKE
3h 50mnonstop
$287Alaska Airlines
Find Deal
Mon, Mar 2 - Wed, Mar 4

American Airlines flights from Milwaukee to Seattle

Our best American Airlines deals on Milwaukee to Seattle flight tickets
American Airlines
Oct 8
MKE5:25 amMilwaukee-Mitchell
6h 24m
1 stop
SEA9:49 amSeattle/Tacoma Intl
Oct 14
SEA12:34 amSeattle/Tacoma Intl
7h 44m
1 stop
MKE10:18 amMilwaukee-Mitchell
$199
Find similar
American Airlines
Oct 2
MKE2:27 pmMilwaukee-Mitchell
7h 42m
1 stop
SEA8:09 pmSeattle/Tacoma Intl
Oct 7
SEA11:24 pmSeattle/Tacoma Intl
9h 19m
1 stop
MKE10:43 amMilwaukee-Mitchell
$200
Find similar
American Airlines
Oct 2
MKE2:27 pmMilwaukee-Mitchell
7h 42m
1 stop
SEA8:09 pmSeattle/Tacoma Intl
Oct 6
SEA11:24 pmSeattle/Tacoma Intl
9h 19m
1 stop
MKE10:43 amMilwaukee-Mitchell
$211
Find similar

United Airlines flights from Milwaukee to Seattle

Our best United Airlines deals on Milwaukee to Seattle flight tickets
United Airlines
Oct 7
MKE12:05 pmMilwaukee-Mitchell
8h 44m
1 stop
SEA6:49 pmSeattle/Tacoma Intl
Oct 11
SEA1:57 pmSeattle/Tacoma Intl
5h 59m
1 stop
MKE9:56 pmMilwaukee-Mitchell
$215
Find similar
United Airlines
Oct 1
MKE3:44 pmMilwaukee-Mitchell
9h 45m
2 stops
SEA11:29 pmSeattle/Tacoma Intl
Oct 7
SEA1:57 pmSeattle/Tacoma Intl
5h 59m
1 stop
MKE9:56 pmMilwaukee-Mitchell
$238
Find similar
United Airlines
Sep 27
MKE8:30 amMilwaukee-Mitchell
9h 54m
2 stops
SEA4:24 pmSeattle/Tacoma Intl
Sep 29
SEA11:10 pmSeattle/Tacoma Intl
8h 56m
1 stop
MKE10:06 amMilwaukee-Mitchell
$272
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 September 15, 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 10/8

5:25 am-9:49 am

1 stop6h 24m

Seattle/Tacoma Intl

Tue 10/14

12:34 am-10:18 am

1 stop7h 44m

$199

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Thu 10/2

2:27 pm-8:09 pm

1 stop7h 42m

Seattle/Tacoma Intl

Tue 10/7

11:24 pm-10:43 am

1 stop9h 19m

$200

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Tue 10/7

12:05 pm-6:49 pm

1 stop8h 44m

Seattle/Tacoma Intl

Sat 10/11

1:57 pm-9:56 pm

1 stop5h 59m

$215

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Thu 10/30

3:56 pm-6:25 pm

Nonstop4h 29m

Seattle/Tacoma Intl

Sat 11/1

9:09 am-3:00 pm

Nonstop3h 51m

$231

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 10/22

2:47 pm-5:10 pm

Nonstop4h 23m

Seattle/Tacoma Intl

Sat 10/25

7:55 am-1:55 pm

Nonstop4h 00m

$237

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 10/1

3:44 pm-11:29 pm

2 stops9h 45m

Seattle/Tacoma Intl

Tue 10/7

1:57 pm-9:56 pm

1 stop5h 59m

$238

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 10/24

2:47 pm-5:10 pm

Nonstop4h 23m

Seattle/Tacoma Intl

Wed 10/29

9:09 am-3:00 pm

Nonstop3h 51m

$247

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Sat 9/27

4:00 pm-8:15 pm

1 stop6h 15m

Seattle/Tacoma Intl

Wed 10/1

11:40 pm-8:15 am

1 stop6h 35m

$251

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 9/26

5:49 pm-11:43 pm

1 stop7h 54m

Seattle/Tacoma Intl

Mon 9/29

11:40 pm-8:15 am

1 stop6h 35m

$267

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Mon 3/2

2:36 pm-5:00 pm

Nonstop4h 24m

Seattle/Tacoma Intl

Wed 3/4

7:55 am-1:45 pm

Nonstop3h 50m

$287

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 September to fly from Milwaukee, when ticket prices are also cheap, with an average price of $312.

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, Saturday 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 $528.

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 $497. 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 $364 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 $331 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?

No. A direct flight is the cheapest option for a flight between Milwaukee to Seattle.

How have Milwaukee to Seattle flight prices changed over time?

As of September 2025, prices for Milwaukee to Seattle flights are approximately 14% 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

$185

Fastest flight time

4h 17m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Milwaukee in the past 72 hours is $185. The best round-trip flight deal from Milwaukee to Seattle found on momondo in the last 72 hours is $345.
The fastest flight from Milwaukee to Seattle takes 4h 17m
Direct flights go from Milwaukee to Seattle every day.
There is 1 airport near Seattle: 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 17m.

  • 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
330 reviews
Search Sun Country Air flights
SouthwestPriceFrom $176Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
DeltaPriceFrom $180Free CancellationRating
7.9
7,954 reviews
Search Delta flights
American AirlinesPriceFrom $214Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $230Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $257Free 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 Milwaukee to Seattle

    Alaska Airlines is one of the most popular airlines flying from Milwaukee to Seattle, operating 10 flights/week on average for this route. A good Alaska Airlines flight deal for Milwaukee to Seattle starts from $257 round-trip, up to an average price of $405. 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, 2,723 ratings). Hawaiian Airlines flies from Milwaukee to Seattle around 17 times per week, with deals starting from $257 round-trip and rising to an average price of around $399.

Traveling to a place near Seattle?

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

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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