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Cheap flights from Seattle to Milwaukee from C$ 203

SEA — MKE
9 Dec — 16 Dec1
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

Fri 4/1212:50 p.m. -
1 stop6h 20m
Fri 11/126:00 a.m. -
1 stop7h 44m
Deal found 5/11C$ 398
Thu 31/1211:59 p.m. -
1 stop8h 15m
Thu 7/17:05 a.m. -
1 stop9h 45m
Deal found 5/11C$ 405
Thu 31/125:00 a.m. -
1 stop6h 42m
Thu 7/112:45 p.m. -
2 stops10h 32m
Deal found 5/11C$ 449
Tue 1/125:05 a.m. -
1 stop6h 19m
Thu 3/128:30 a.m. -
2 stops9h 52m
Deal found 5/11C$ 453
Sat 5/1210:48 a.m. -
1 stop8h 07m
Sat 12/122:05 p.m. -
1 stop10h 46m
Deal found 9/11C$ 461
Sat 5/1212:50 p.m. -
1 stop6h 20m
Wed 9/129:15 a.m. -
2 stops13h 46m
Deal found 6/11C$ 463
Wed 2/1211:33 p.m. -
1 stop8h 41m
Sat 5/1212:15 p.m. -
2 stops11h 06m
Deal found 5/11C$ 468
Thu 31/126:00 a.m. -
1 stop8h 40m
Mon 11/17:05 a.m. -
1 stop9h 45m
Deal found 5/11C$ 470
Thu 31/1211:14 p.m. -
1 stop7h 35m
Sun 10/17:05 a.m. -
1 stop9h 45m
Deal found 5/11C$ 488
Thu 31/127:25 p.m. -
2 stops12h 38m
Tue 5/15:00 a.m. -
1 stop8h 58m
Deal found 5/11C$ 525

Find flight deals from Seattle to Milwaukee

Round-trip from

C$ 398

One-way from

C$ 203

Popular in

July

Cheapest in

February

Average price

C$ 602

Good round-trip deal

C$ 419 or less
United Airlines
  • United Airlines
  • 4/12-11/12
  • 2 total stops
  • 14h 04m total
  • Seattle to Milwaukee
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Delta
  • Delta
  • 26/11-31/12
  • 1 total stop
  • 8h 23m total
  • Seattle to Milwaukee
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
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Average for round-trip flights in November 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

Thu 26/11

6:00 a.m.-4:23 p.m.

1 stop8h 23m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 203

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Tue 12/1

10:52 a.m.-6:56 p.m.

1 stop6h 04m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 288

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Sat 9/1

11:00 a.m.-9:33 p.m.

1 stop8h 33m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 288

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Wed 6/1

10:52 a.m.-6:56 p.m.

1 stop6h 04m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 288

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Tue 2/3

5:00 a.m.-5:01 p.m.

2 stops10h 01m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 295

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Thu 31/12

8:38 a.m.-11:11 p.m.

2 stops12h 33m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 295

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Tue 1/12

5:28 p.m.-10:03 a.m.

2 stops14h 35m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 295

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Thu 10/12

9:25 a.m.-10:15 p.m.

2 stops10h 50m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 309

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Thu 1/4

12:10 a.m.-10:50 a.m.

1 stop8h 40m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 329

SeattleMilwaukee

SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell

SEAMKE

Seattle/Tacoma Intl

Mon 29/3

11:53 p.m.-10:02 a.m.

1 stop8h 09m

Milwaukee-Mitchell

Wed 31/12

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

Nonstop0h 00m

C$ 329

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

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 63 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, February is the cheapest month in which you can book a flight from Seattle to Milwaukee (average of C$ 419). Flying from Seattle to Milwaukee in July is currently the most expensive (average of C$ 811). 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 below average for this route at the moment.

Seattle to Milwaukee flights typically cost between C$ 560 and C$ 739 in December.
The cheapest round-trip price found within the last 5 days was C$ 398 on United Airlines (4 Dec-11 Dec).

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
13,159 reviews
Check prices

Comfort

7.8

Food

7.0

Boarding

8.1

Crew

8.5

Overall

7.9

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
13,159 reviews
Alaska Airlines
7.9
Good
13,159 reviews
Check prices

Comfort

7.8

Food

7.0

Boarding

8.1

Crew

8.5

Overall

7.9

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$ 560, Delta can have you in Milwaukee from Seattle in 3h 51m. 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 75% 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 Finnair (100%), American Airlines (99%) or Qatar Airways (99%) 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, February is the cheapest month in which you can book a flight from Seattle to Milwaukee (average of C$ 419). Flying from Seattle to Milwaukee in July is currently the most expensive (average of C$ 811). 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 O'Hare Intl flights
Seattle to Minneapolis flights

Top airline flying from Seattle to Milwaukee

AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 149AverageC$ 501FlexibilityNo 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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