Seattle to Milwaukee flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seattle to Milwaukee is €256 (checked on 29 Oct 2026).
Your next trip, last seen at €256
When to fly
Explore datesFind the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €256, departing 3 Nov 2026 (Last checked: 29 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Alaska Airlines, Southwest Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Sun Country Airlines, United Airlines, WestJet (8)
- Reported fastest flight
- 3h 49m
- Non-stop
- Yes
About this route
Explore the fares we observed from Seattle to Milwaukee. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,716 km
- Reported fastest flight
- 3h 49m
- Alternative airports
- BFI
Route-level information; individual journeys vary.
Published schedules report non-stop service with Alaska Airlines, Southwest Airlines. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Alaska Airlines | 45 / 81 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
- Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
- General Mitchell International Airport (MKE) → Milwaukee, city gazetteer reference point (43.0389, -87.9065): ≈ 10 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Seattle to Milwaukee?
The lowest fare Routavio has observed is €256, found on 29 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seattle to Milwaukee?
In our observations November 2026 is the cheapest month so far, at €256.
Are there direct flights from Seattle to Milwaukee?
Yes. Published schedules report non-stop flights on this route with Alaska Airlines, Southwest Airlines.
Which airlines fly from Seattle to Milwaukee?
Routavio has seen these carriers on the route: Alaska Airlines, Southwest Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Sun Country Airlines, United Airlines, WestJet (8).
How long does the flight from Seattle to Milwaukee take?
Across the 79 fares Routavio observed, the average journey time is 5h 45m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Seattle to Milwaukee fares were non-stop?
43 of the 80 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Seattle to Milwaukee?
For Seattle to Milwaukee, examples of observed one-way non-stop offers checked within the last 14 days: Alaska Airlines (45). Each number counts distinct departure dates, not weekly flights; check current availability in search.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
Non-stop airlines on this route
More routes from Seattle
Show all 36 routes →Show fewer ↑
More routes to Milwaukee
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.