Find cheap airlines flights from Seattle to Milwaukee

Choose from 4 carriers that fly from Seattle to Milwaukee, including Alaska Airlines, American Airlines, and Delta Air Lines. Enjoy the cheapest tickets on this route with Hawaiian Airlines.

Book direct flights from Seattle to Milwaukee: One way flights from $125, round trip flights from $250. Find flight deals for the next 3 months below.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Seattle to Milwaukee

The distance between Seattle and Milwaukee is about 2,718.23 km. It takes around 3 hours 48 minutes on average to fly from Seattle to Milwaukee. The most popular month to Milwaukee is July. The off-season for travel is November.

Cheapest one-way flight price$82
Cheapest round-trip ticket price$203
Off-season for travelNovember
Peak season for travelJuly
Flight distance2,718.23 km
Average flight time3 hours 48 minutes
Popular airlineAlaska Airlines

When is the cheapest time to fly from Seattle to Milwaukee?

The cheapest time for Seattle to Milwaukee flights: Jan 4 to Jan 11 — one way flight prices from $82.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Seattle to Milwaukee?

    At the moment, you can catch a nonstop flight from Seattle to Milwaukee with the following airlines, including: Alaska Airlines Hawaiian Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 48 minutes to fly from Seattle (SEA) to Milwaukee (MKE).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Milwaukee is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 12 flight per week flying from Seattle to Milwaukee. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS366 (09:20) American Airlines: S/M/T/W/T/F/S -- AA7534 (09:20) Hawaiian Airlines: S/M/T/W/T/F/S -- HA6813 (09:20)
  • The cheapest months to fly from Seattle to Milwaukee is November, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Seattle to Milwaukee on November 12, 2025 with Delta Air Lines, with prices starting at $173.
  • You can land at any one of the following hubs in Milwaukee, with Seattle–Tacoma International Airport to Milwaukee Mitchell International Airport (SEA-MKE) is by far the most common option on this route: Milwaukee Mitchell International Airport (MKE).
  • The time difference between Milwaukee and Seattle is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.