Cheap Flights from Seattle, WA to Milwaukee, WI from $113

Return flight: Milwaukee – Seattle

On Cheapflightsplus.com you will find 6 direct and 335 connecting flights from Seattle to Milwaukee. You can compare airfare deals from 6 airlines and multiple travel sites from $113, book and save on cheap plane tickets and last minute offers. Also check out SEA-MKE flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Milwaukee Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $113 (one-way), $194 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Seattle to Milwaukee. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:07 — 13:00
05:00 — 08:47 UA2269 United Airlines
Seattle — Denver
51m stop
10:50 — 14:12 UA1836 United Airlines
Denver — Milwaukee
5h 53m
including layover
Find flight
from$164
06:00 — 18:59
06:00 — 08:31 NK2626 Spirit Airlines
Seattle — Las Vegas
4h 56m stop
13:27 — 18:59 NK2621 Spirit Airlines
Las Vegas — Milwaukee
10h 59m
including layover
Find flight
from$137
06:25 — 19:00
06:25 — 10:16 F93406 Frontier Airlines
Seattle — Denver
5h 19m stop
15:35 — 19:00 F91608 Frontier Airlines
Denver — Milwaukee
10h 35m
including layover
Find flight
from$113
07:00 — 15:09
07:00 — 13:15 UA2618 United Airlines
Seattle — Chicago
48m stop
14:03 — 15:09 UA5668 United Airlines
Chicago — Milwaukee
6h 9m
including layover
Find flight
from$164
07:00 — 16:56
07:00 — 13:15 UA2618 United Airlines
Seattle — Chicago
2h 35m stop
15:50 — 16:56 UA5225 United Airlines
Chicago — Milwaukee
7h 56m
including layover
Find flight
from$164
07:59 — 13:52
07:59 — 13:52 AS809 Alaska Airlines
Seattle — Milwaukee
3h 53m
Find flight
from$170
08:02 — 13:54
08:02 — 13:54 HA6788 Hawaiian Airlines
Seattle — Milwaukee
3h 52m
Find flight
from$166
08:02 — 13:54
08:02 — 13:54 AS366 Alaska Airlines
Seattle — Milwaukee
3h 52m
Find flight
from$205
08:45 — 16:59
08:45 — 12:28 UA1505 United Airlines
Seattle — Denver
1h 7m stop
13:35 — 16:59 UA2049 United Airlines
Denver — Milwaukee
6h 14m
including layover
Find flight
from$164
10:55 — 18:56
10:55 — 17:10 UA2671 United Airlines
Seattle — Chicago
40m stop
17:50 — 18:56 UA5555 United Airlines
Chicago — Milwaukee
6h 1m
including layover
Find flight
from$164
18:10 — 23:59
18:10 — 23:59 HA6786 Hawaiian Airlines
Seattle — Milwaukee
3h 49m
Find flight
from$128
18:10 — 23:59
18:10 — 23:59 AS241 Alaska Airlines
Seattle — Milwaukee
3h 49m
Find flight
from$132
18:10 — 23:59
18:10 — 23:59 AS354 Alaska Airlines
Seattle — Milwaukee
3h 49m
Find flight
from$170
19:48 — 19:11
+1 day
19:10 — 23:12 F91176 Frontier Airlines
Seattle — Denver
16h 5m stop
15:35 — 19:00 F91608 Frontier Airlines
Denver — Milwaukee
21h 23m
including layover
Find flight
from$113
23:59 — 17:05
+1 day
23:59 — 05:13 SY290 Sun Country Airlines
Seattle — Minneapolis
10h 41m stop
15:54 — 17:05 SY1815 Sun Country Airlines
Minneapolis — Milwaukee
15h 6m
including layover
Find flight
from$148
*Departure and arrival times - local. Updated on September 18, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Milwaukee depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Milwaukee is 2719 miles. Time difference between the cities is 2h. Airplanes depart 00:17 to 23:59 from 3 Seattle airports and arrive 00:17 to 23:59 to 3 Milwaukee airports. Average flight time is 3h 51m.

  • The fastest flight 3h 49m
  • Average flight time 3h 51m
  • The earliest flight 00:17
  • The latest flight 23:59
  • Distance 1690 ml

The cheapest months to travel to Milwaukee are may (from 113 $), september (from 128 $), august (from 129 $).

The most expensive months are february (from 399 $), december (from 257 $), july (from 165 $).

What is the lowest airfare Seattle to Milwaukee?

The cheapest plane ticket found by our users is $113. This airfare is for economy class on one-way F91176 flight by Frontier Airlines for June 29, 2025 which leaves Seattle-Tacoma Intl in Seattle at 19:48 am and arrives at Milwaukee General Mitchell at 19:11.

Economy class
$113
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Business class
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First class
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Popular Airlines on the Route

The flight Seattle — Milwaukee is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 92 departures per week at the price of from $ 132 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 3137.

Direct flights

There are 6 nonstop flights on the route. The fastest direct flight is HA6786 by Hawaiian Airlines takes 3h 49m and the cheapest is F91176 by Frontier Airlines for $128.

  • AS - Alaska Airlines
    from $132
    Find
  • HA - Hawaiian Airlines
    from $128
    Find
See more direct flights

Connecting Flights

There are 335 flights with layovers on the route. The fastest connecting flight is SY282 by Sun Country Airlines takes 5h 50m and the cheapest is F91176 by Frontier Airlines for $113.

  • AS - Alaska Airlines
    from $207
    Find
  • F9 - Frontier Airlines
    from $113
    Find
  • SY - Sun Country Airlines
    from $148
    Find
  • HA - Hawaiian Airlines
    from $502
    Find
  • UA - United Airlines
    from $164
    Find
  • NK - Spirit Airlines
    from $137
    Find
See more connecting flights

Airports

You can fly from Seattle to Milwaukee from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    from $113
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

Milwaukee airports

  • Lawrence J Timmerman-MWC
    Find
  • Milwaukee General Mitchell-ZML
    Find
  • General Mitchell-MKE
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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