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$99+ Cheap flights from Seattle to Milwaukee (SEA - MKE)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MKE
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Milwaukee-Mitchell are usually found in April or February, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Seattle to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Milwaukee (MKE). 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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Alaska Airlines)

One-way from

$99
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$358

Good round-trip deal

$284 or less

Good one-way deal

$183 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Milwaukee-Mitchell flights.
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From Seattle/Tacoma Intl to Milwaukee-Mitchell
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One-way flight from Seattle/Tacoma Intl to Milwaukee-Mitchell
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Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Milwaukee-Mitchell.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Milwaukee-Mitchell.
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Find flight deals from Seattle to Milwaukee

Cheapest flights from Seattle to Milwaukee
Explore the most affordable flight options available from Seattle to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/167:59 amSEA - MKE
Nonstop4h 03mAlaska Airlines
Tue 4/223:06 pmMKE - SEA
Nonstop4h 18mAlaska Airlines
Deal found 3/25$237
This Delta deal was found by Cheapflights users on 3/25. 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.
Mon 4/712:49 amSEA - MKE
1 stop7h 15mDelta
Mon 4/147:31 pmMKE - SEA
1 stop6h 08mDelta
Deal found 3/25$242
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/188:56 pmSEA - MKE
1 stop19h 57mSpirit Airlines
Tue 4/222:45 pmMKE - SEA
1 stop22h 50mSpirit Airlines
Deal found 3/26$244
This Southwest deal was found by Cheapflights users on 3/26. 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.
Wed 4/162:50 pmSEA - MKE
1 stop5h 45mSouthwest
Sun 4/207:40 pmMKE - SEA
1 stop7h 40mSouthwest
Deal found 3/26$254
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/167:59 amSEA - MKE
Nonstop4h 03mHawaiian Airlines
Sun 4/202:58 pmMKE - SEA
Nonstop4h 24mHawaiian Airlines
Deal found 3/26$257
This Priceline deal was found by Cheapflights users on 3/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:00 amSEA - MKE
1 stop10h 54mMultiple Airlines
Thu 5/153:48 pmMKE - SEA
1 stop10h 56mMultiple Airlines
Deal found 3/25$260
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Thu 4/1712:59 amSEA - MKE
1 stop7h 35mAmerican Airlines
Tue 4/226:37 pmMKE - SEA
1 stop6h 32mAmerican Airlines
Deal found 3/26$264
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/112:20 amSEA - MKE
1 stop7h 42mUnited Airlines
Wed 7/95:15 amMKE - SEA
1 stop6h 35mUnited Airlines
Deal found 3/24$266
This CheapOair deal was found by Cheapflights users on 3/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:00 amSEA - MKE
1 stop6h 11mFrontier
Sun 4/273:01 pmMKE - SEA
1 stop11h 43mFrontier
Deal found 3/26$290

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 27, 2025.
Use the filters below to find and compare flights from Seattle to Milwaukee that are best for you.

Fly from

Seattle

Fly to

Milwaukee

Route

Depart

Return

Price

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Wed 4/16

7:59 am-2:02 pm

Nonstop4h 03m

Milwaukee-Mitchell

Tue 4/22

3:06 pm-5:24 pm

Nonstop4h 18m

$237

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Mon 4/7

12:49 am-10:04 am

1 stop7h 15m

Milwaukee-Mitchell

Mon 4/14

7:31 pm-11:39 pm

1 stop6h 08m

$242

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Fri 4/18

8:56 pm-6:53 pm

1 stop19h 57m

Milwaukee-Mitchell

Tue 4/22

2:45 pm-11:35 am

1 stop22h 50m

$244

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Wed 4/16

2:50 pm-10:35 pm

1 stop5h 45m

Milwaukee-Mitchell

Sun 4/20

7:40 pm-1:20 am

1 stop7h 40m

$254

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Wed 5/7

6:00 am-6:54 pm

1 stop10h 54m

Milwaukee-Mitchell

Thu 5/15

3:48 pm-12:44 am

1 stop10h 56m

$260

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Thu 4/17

12:59 am-10:34 am

1 stop7h 35m

Milwaukee-Mitchell

Tue 4/22

1:16 pm-9:04 pm

1 stop9h 48m

$264

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Tue 7/1

12:20 am-10:02 am

1 stop7h 42m

Milwaukee-Mitchell

Wed 7/9

5:15 am-9:50 am

1 stop6h 35m

$266

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Thu 4/17

7:59 am-2:02 pm

Nonstop4h 03m

Milwaukee-Mitchell

Sun 4/20

2:58 pm-5:22 pm

Nonstop4h 24m

$277

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Thu 4/24

6:00 am-2:11 pm

1 stop6h 11m

Milwaukee-Mitchell

Sun 4/27

3:01 pm-12:44 am

1 stop11h 43m

$290

SeattleMilwaukee

SEA - MKE

SEAMKE

Seattle/Tacoma Intl

Mon 5/12

6:00 am-6:54 pm

1 stop10h 54m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 17 results
1
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Compare providers for flights from Seattle to Milwaukee

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 Seattle to Milwaukee in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice 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 Seattle-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Milwaukee flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Milwaukee 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 Seattle to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Seattle 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 Seattle to Milwaukee

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Milwaukee. Price data was last updated on March 21, 2025.

The price you pay for your flight from Seattle to Milwaukee may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Milwaukee (average of $280). Flying from Seattle to Milwaukee in June is currently the most expensive (average of $376). 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 SEA to MKE?

Find hourly flight availability from Seattle to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 27, 2025.

One of the essential ways to save on airfare from Seattle to Milwaukee is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 30% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Milwaukee. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Seattle to Milwaukee 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.

Weekly flight availability from Seattle to Milwaukee

Explore weekly flight availability from Seattle to Milwaukee. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 27, 2025.

The most flights from SEA to MKE are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Milwaukee ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Milwaukee when rainfall is around 1.4 in.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. 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 Milwaukee. Reviews last updated March 27, 2025.
To help decide which airline to fly from Seattle to Milwaukee, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,795 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Milwaukee. 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 Seattle to Milwaukee?

    If you book a flight from Seattle to Milwaukee, you will be flying from Seattle/Tacoma Intl to Milwaukee-Mitchell. Flights to Milwaukee-Mitchell (MKE) from Seattle/Tacoma Intl (SEA) take 3h 49m for a nonstop flight. There are 3 flights from Seattle/Tacoma Intl to Milwaukee per day from 8 airlines.

  • How popular is this Seattle to Milwaukee flight route?

    Flights from Seattle/Tacoma Intl to Milwaukee-Mitchell have been viewed 3 times in the past calendar month.

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

    Our cheapest airline available from Seattle to Milwaukee is Alaska Airlines. Our recent data shows that you can find tickets from as low as $237 on this airline. Additional options worth looking into are Delta and Spirit Airlines, starting at $242 and $244 round-trip. These flights start at 39% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Milwaukee one-way?

    One-way options have recently been found by users for as low as $99 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $116 and Hawaiian Airlines from $119 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Milwaukee on time: American Airlines (92%), Alaska Airlines (92%), Hawaiian Airlines (92%).

  • What are the cheapest flights from Seattle to Milwaukee?

    Looking for the cheapest flight from Seattle to Milwaukee? While on average our users pay $476, our data indicates the cheapest price to be $118. The most popular route (Seattle/Tacoma Intl - Milwaukee-Mitchell), is priced around $224.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Milwaukee 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 Seattle to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Milwaukee (average of $280). Flying from Seattle to Milwaukee in June is currently the most expensive (average of $376). 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
Mequon
Pewaukee
Sheboygan
Oak Creek
Wauwatosa

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Alternative routes for Seattle to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Seattle to Milwaukee

Discover the top 8 airlines that operate flights from Seattle to Milwaukee. 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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$116Average$195FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$135Average$290FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$145Average$264FlexibilityNo cancel feeOn-time85%
DeltaCheapest$176Average$334FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$358FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$377FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$259Average$417FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$300Average$526FlexibilityNo cancel feeOn-time63%
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