$116 Cheap Delta flights Seattle (SEA) to Milwaukee (MKE)

You’ll find budget-friendly return Delta Air Lines flights from $231 from SEA to MKE by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $116 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Delta Air Lines flights to Milwaukee tend to be cheaper in the off-peak months of January and February. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Start searching one to three months before your departure to get cheaper fares on Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to General Mitchell Intl. Airport (MKE). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, press search and use the “Nonstop” filter on Expedia to browse any direct flights from SEA to MKE with Delta Air Lines or another airline.

Find Delta Air Lines’s earliest flights from SEA to MKE by selecting our “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Milwaukee come in to land at General Mitchell Intl. Airport (MKE). This is the main gateway to this destination.

Delta Air Lines makes traveling from SEA to MKE more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You could even start earning points with Delta SkyMiles. Don’t forget to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the ticket type you purchased, a fee will generally apply if you modify or cancel your booking more than 24 hours after it’s confirmed. To find flexible plane tickets, select our “Changes included” or “No cancel fee” filter when you look for flights. For additional information on canceling or modifying your reservation, visit “Trips,” select your flight and click on “Manage Booking.”