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$90+ Cheap flights from Milwaukee to Seattle (MKE - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEA
dic. 12 — dic. 191
vie. 12/12
vie. 12/19
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Milwaukee-Mitchell to Seattle/Tacoma Intl are usually found in February or September, booked 61 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Milwaukee to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$215
(Delta)

One-way from

$90
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$321

Good round-trip deal

$300 or less

Good one-way deal

$229 or less
Provider with most accurate pricing for Milwaukee-Mitchell-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Seattle/Tacoma Intl flights.
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From Milwaukee-Mitchell to Seattle/Tacoma Intl
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One-way flight from Milwaukee-Mitchell to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 18% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Milwaukee-Mitchell to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Milwaukee-Mitchell to Seattle/Tacoma Intl.
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Find flight deals from Milwaukee to Seattle

Cheapest flights from Milwaukee to Seattle
Explore the most affordable flight options available from Milwaukee to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 12, 2025.

This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/244:04 pmMKE - SEA
1 stop9h 27mDelta
lun. 12/296:10 amSEA - MKE
1 stop8h 33mDelta
Deal found 11/12$215
This Expedia deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/123:51 pmMKE - SEA
Nonstop4h 30mAlaska Airlines
dom. 12/149:05 amSEA - MKE
Nonstop3h 50mAlaska Airlines
Deal found 11/11$217
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/146:28 pmMKE - SEA
1 stop6h 57mAmerican Airlines
jue. 12/181:53 pmSEA - MKE
1 stop8h 05mAmerican Airlines
Deal found 11/11$228
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/95:05 amMKE - SEA
1 stop7h 10mSouthwest
mié. 12/1010:50 amSEA - MKE
2 stops9h 10mSouthwest
Deal found 11/12$229
This Alaska Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/93:51 pmMKE - SEA
Nonstop4h 30mAlaska Airlines
mié. 12/109:05 amSEA - MKE
Nonstop3h 50mAlaska Airlines
Deal found 11/12$237
This Southwest deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:10 pmMKE - SEA
1 stop6h 45mSouthwest
mar. 12/910:50 amSEA - MKE
2 stops10h 10mSouthwest
Deal found 11/12$240
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/35:00 amMKE - SEA
1 stop9h 38mAmerican Airlines
jue. 12/412:38 amSEA - MKE
1 stop5h 39mAmerican Airlines
Deal found 11/11$241
This American Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1811:54 amMKE - SEA
1 stop9h 18mAmerican Airlines
lun. 12/2912:59 amSEA - MKE
1 stop8h 04mAmerican Airlines
Deal found 11/12$243
This KAYAK deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/223:05 pmMKE - SEA
Nonstop4h 26mAlaska Airlines
sáb. 12/278:11 amSEA - MKE
Nonstop3h 58mAlaska Airlines
Deal found 11/12$246
This Alaska Airlines deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/43:51 pmMKE - SEA
Nonstop4h 30mAlaska Airlines
lun. 12/89:05 amSEA - MKE
Nonstop3h 50mAlaska Airlines
Deal found 11/10$247
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1212:10 pmMKE - SEA
1 stop8h 45mAmerican Airlines
vie. 12/1212:38 amSEA - MKE
1 stop5h 39mAmerican Airlines
Deal found 11/11$248

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 12, 2025.
Use the filters below to find and compare flights from Milwaukee to Seattle that are best for you.

Fly from

Milwaukee

Fly to

Seattle

Route

Depart

Return

Price

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

jue. 2/26

3:47 pm-6:21 pm

Nonstop4h 34m

Seattle/Tacoma Intl

lun. 3/2

9:05 am-2:51 pm

Nonstop3h 46m

$217

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

mié. 12/10

5:05 am-10:15 am

1 stop7h 10m

Seattle/Tacoma Intl

mié. 12/17

10:50 am-10:00 pm

2 stops9h 10m

$235

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

mar. 12/23

5:49 pm-11:31 pm

1 stop7h 42m

Seattle/Tacoma Intl

vie. 12/26

6:10 am-4:43 pm

1 stop8h 33m

$237

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

jue. 2/26

7:00 am-11:49 am

1 stop6h 49m

Seattle/Tacoma Intl

lun. 3/2

11:59 pm-10:30 am

1 stop8h 31m

$237

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

vie. 5/8

1:00 pm-8:29 pm

1 stop9h 29m

Seattle/Tacoma Intl

mar. 5/12

11:59 pm-8:14 am

1 stop6h 15m

$237

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

vie. 12/5

3:51 pm-6:21 pm

Nonstop4h 30m

Seattle/Tacoma Intl

dom. 12/7

9:05 am-2:55 pm

Nonstop3h 50m

$237

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

jue. 2/19

6:00 am-11:49 am

1 stop7h 49m

Seattle/Tacoma Intl

sáb. 2/28

7:00 am-3:35 pm

1 stop6h 35m

$237

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

lun. 3/2

3:47 pm-6:21 pm

Nonstop4h 34m

Seattle/Tacoma Intl

mié. 3/4

9:05 am-2:51 pm

Nonstop3h 46m

$247

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

jue. 12/18

11:29 am-5:00 pm

1 stop7h 31m

Seattle/Tacoma Intl

mar. 12/30

6:10 am-4:43 pm

1 stop8h 33m

$247

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

vie. 12/5

3:15 pm-11:15 pm

2 stops10h 00m

Seattle/Tacoma Intl

dom. 12/7

5:00 am-2:19 pm

1 stop7h 19m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 22 results
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Compare providers for flights from Milwaukee to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Seattle in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Milwaukee-Seattle flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Milwaukee-Seattle flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Milwaukee-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-Seattle flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Milwaukee to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Milwaukee with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Milwaukee to Seattle

How far ahead should I book a flight from Milwaukee to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Milwaukee to Seattle. Price data was last updated on November 7, 2025.

To ensure you get the cheapest price possible for a flight from Milwaukee to Seattle, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Milwaukee to Seattle?

Currently, September is the cheapest month in which you can book a flight from Milwaukee to Seattle (average of $113). Flying from Milwaukee to Seattle in December is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MKE to SEA?

Find hourly flight availability from Milwaukee to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 12, 2025.

It’s optimal to fly from Milwaukee to Seattle in the evening. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Milwaukee to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Milwaukee to Seattle. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Milwaukee to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated noviembre 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Milwaukee to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,281 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,281 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,809 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
9,015 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
11,049 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Milwaukee to Seattle?

    Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Milwaukee-Mitchell. Booking flights from Milwaukee-Mitchell (MKE) to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 3 daily flights to Seattle from 7 different airlines. 4h 12m is how long a flight from Milwaukee to Seattle/Tacoma Intl will take if you book a nonstop flight.

  • How popular is this Milwaukee to Seattle flight route?

    Within the past month, 25 users have taken a look at flights from Milwaukee-Mitchell to Seattle/Tacoma Intl.

  • How long is the flight from Milwaukee to Seattle?

    Alaska Airlines, Southwest, and Delta can get you from Milwaukee to Seattle in just under 4h 34m. Your travel time can differ by up to 3h 08m. Milwaukee and Seattle are separated by a distance of 1689 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Milwaukee to Seattle round-trip?

    Flying on Sun Country Air is currently your cheapest option to Seattle, with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by Southwest and Delta, with the lowest prices starting at $165 and $178, respectively. Sun Country Air is 62% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Milwaukee to Seattle?

    Before booking your flight to Seattle from Milwaukee, check out the most reliable airlines to get you to your destination on time: Qatar Airways (94%), Air Tahiti Nui (91%), American Airlines( 88%).

  • What are the cheapest flights from Milwaukee to Seattle?

    While on average a flight from Milwaukee to Seattle is generally $335, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Milwaukee-Mitchell - Seattle/Tacoma Intl), you can expect to pay $179 for that flight.

  • Can I find deals for flights from Milwaukee to Seattle that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Seattle.

  • Can I find deals for business class flights from Milwaukee to Seattle?

    Yes. Cheapflights offers flight deals from Milwaukee to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Milwaukee to Seattle?

    Currently, September is the cheapest month in which you can book a flight from Milwaukee to Seattle (average of $113). Flying from Milwaukee to Seattle in December is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

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Alternative routes for Milwaukee to Seattle

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Top 7 airlines flying from Milwaukee to Seattle

Discover the top 7 airlines that operate flights from Milwaukee to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$137Average$374FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$165Average$382FlexibilityNo cancel feeOn-time63%
DeltaCheapest$178Average$290FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$192Average$419FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$230Average$321FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$254Average$402FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$257Average$400FlexibilityNo cancel feeOn-time85%

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