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Cheap flights from Seattle to Milwaukee from C$ 253

SEA — MKE
27 Oct — 3 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Milwaukee

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Milwaukee

Wed 11/1110:56 p.m. -
1 stop7h 40m
Wed 18/115:00 a.m. -
1 stop9h 19m
Deal found 25/9C$ 462
Sat 24/107:00 a.m. -
1 stop6h 11m
Sat 31/108:50 a.m. -
2 stops13h 57m
Deal found 22/9C$ 471
Sat 17/108:25 a.m. -
2 stops11h 00m
Sat 31/1010:48 a.m. -
2 stops9h 11m
Deal found 25/9C$ 476
Mon 9/116:00 a.m. -
1 stop7h 19m
Mon 16/115:35 p.m. -
1 stop8h 22m
Deal found 25/9C$ 505
Tue 27/105:05 a.m. -
2 stops7h 53m
Thu 29/106:47 a.m. -
1 stop7h 32m
Deal found 26/9C$ 512
Tue 10/1111:35 a.m. -
2 stops9h 40m
Tue 17/1112:45 p.m. -
2 stops11h 35m
Deal found 25/9C$ 519
Fri 23/1011:10 p.m. -
1 stop7h 40m
Mon 26/107:05 a.m. -
1 stop9h 45m
Deal found 26/9C$ 526
Thu 26/118:30 a.m. -
2 stops12h 20m
Fri 27/118:00 a.m. -
1 stop9h 32m
Deal found 25/9C$ 527
Wed 11/119:45 a.m. -
Nonstop3h 57m
Tue 17/114:40 p.m. -
Nonstop4h 30m
Deal found 25/9C$ 533
Thu 22/1011:13 p.m. -
1 stop5h 54m
Thu 29/106:47 a.m. -
2 stops9h 07m
Deal found 23/9C$ 540
Sat 24/1011:05 a.m. -
2 stops11h 05m
Sat 31/109:10 a.m. -
2 stops11h 05m
Deal found 23/9C$ 547

Find flight deals from Seattle to Milwaukee

Round-trip from

C$ 462

One-way from

C$ 253

Popular in

July

Cheapest in

January

Average price

C$ 633

Good round-trip deal

C$ 420 or less
United Airlines
  • United Airlines
  • 24/10-27/10
  • 2 total stops
  • 17h 43m total
  • Seattle to Milwaukee
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United Airlines
  • United Airlines
  • 22/10-31/12
  • 1 total stop
  • 5h 54m total
  • Seattle to Milwaukee
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 210 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Milwaukee-Mitchell.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Sat 17/10

7:00 a.m.-5:41 p.m.

1 stop8h 41m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 253

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Tue 20/10

11:13 p.m.-10:07 a.m.

1 stop8h 54m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 253

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Wed 21/10

10:42 a.m.-7:10 p.m.

1 stop6h 28m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 253

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Sat 24/10

12:43 p.m.-9:08 p.m.

1 stop6h 25m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 253

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Sat 27/2

12:46 p.m.-9:23 p.m.

1 stop6h 37m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 260

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Thu 15/10

2:05 p.m.-12:10 a.m.

1 stop8h 05m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 267

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Sat 17/10

6:00 a.m.-2:09 p.m.

1 stop6h 09m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 267
Quickest round-trip

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Tue 13/10

11:13 p.m.-7:07 a.m.

1 stop5h 54m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 267

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Thu 22/10

11:13 p.m.-7:07 a.m.

1 stop5h 54m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 267

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Wed 14/10

5:35 a.m.-5:10 p.m.

2 stops9h 35m

Milwaukee-Mitchell

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 274

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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?

The best time to book flights from Seattle to Milwaukee is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Milwaukee (average of C$ 355). Flying from Seattle to Milwaukee in July is currently the most expensive (average of C$ 813). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Milwaukee as you normally would.

How much does it cost to fly round-trip from Seattle to Milwaukee?

Airfare is typical for this route at the moment.

Seattle to Milwaukee flights typically cost between C$ 455 and C$ 745 in November.
The cheapest round-trip price found within the last 5 days was C$ 462 on United Airlines (11 Nov-18 Nov).

Reviews of airlines servicing Milwaukee

Read reviews from past customers who have flown Alaska Airlines from Seattle to Milwaukee. 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
7.9
Good
12,978 reviews
Check prices

Overall

7.9

Crew

8.5

Food

7.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,978 reviews
Alaska Airlines
7.9
Good
12,978 reviews
Check prices

Overall

7.9

Crew

8.5

Food

7.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

  • How popular is this Seattle to Milwaukee flight route?

    Within the past month, 5 users have taken a look at flights from Seattle/Tacoma Intl to Milwaukee-Mitchell.

  • How long is the flight from Seattle to Milwaukee?

    For as low as C$ 469, United Airlines can have you in Milwaukee from Seattle in 8h 54m. The distance between Seattle and Milwaukee is about 2718 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Seattle to Milwaukee round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Milwaukee, with prices starting at C$ 149. You may be able to fly from Seattle to Milwaukee for 74% less than the average price by searching for this airline.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Milwaukee consider choosing Qatar Airways (97%), American Airlines (90%) or Alaska Airlines (90%) as they are the most reliable in getting you off to your destination on time.

  • 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, January is the cheapest month in which you can book a flight from Seattle to Milwaukee (average of C$ 355). Flying from Seattle to Milwaukee in July is currently the most expensive (average of C$ 813). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to Milwaukee

Seattle to Minneapolis flights
Seattle to O'Hare Intl flights

Top airline flying from Seattle to Milwaukee

AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 149AverageC$ 502FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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When you search for this flight from Seattle to Milwaukee, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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