United States · 1,689 miles (2,718 km)

Milwaukee (MKE) to Seattle (SEA) flights

One airline flies nonstop from Milwaukee (MKE) to Seattle (SEA): Alaska Airlines. The two airports are 1,689 miles (2,718 km) apart. Alaska Airlines is in oneworld. There are also 25 ways to fly it with one stop, through Minneapolis, Chicago and Chicago and more.

Airlines flying nonstop from MKE to SEA

Book MKE to SEA with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

MKE to SEA with one stop

25 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
    Delta Air Lines logo
    Sun Country Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Denver (DEN)United Airlines and Southwest Airlines the whole way
    United Airlines logo
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
  • Via Kansas City (MCI)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Saint Louis (STL)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Southwest Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Las Vegas (LAS)Southwest Airlines the whole way
    Southwest Airlines logo
    Sun Country Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    +2
  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Dallas (DAL)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Phoenix (PHX)American Airlines and Southwest Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Sun Country Airlines logo
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
  • Via San Diego (SAN)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Austin (AUS)Southwest Airlines the whole way
    Southwest Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
See all 25 in Routes

MKE to SEA: common questions

Which airlines fly nonstop from MKE to SEA?

Alaska Airlines (oneworld) flies nonstop from Milwaukee (MKE) to Seattle (SEA).

How far is Milwaukee from Seattle by plane?

Milwaukee (MKE) and Seattle (SEA) are 1,689 miles (2,718 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book MKE to SEA award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does MKE to SEA cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for MKE to SEA with taxes and fees.

Where can I connect between Milwaukee and Seattle?

The most direct connections are through Minneapolis (MSP), Chicago (ORD), Chicago (MDW), Denver (DEN) and Kansas City (MCI). On 23 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.