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

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines return flights from $180 from MKE to SEA. Affordable one-way tickets from $116 are also available.**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.

Look for one-way or round-trip flights to Seattle in January or February. You could find a cheap fare with Delta Air Lines during these quieter months.

Begin your search one to three months ahead of your travel date to get cheap fares on Delta Air Lines flights from General Mitchell Intl. Airport (MKE) to Seattle - Tacoma Intl. Airport (SEA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, 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.

Use the “Nonstop” filter when looking for direct Delta Air Lines flights from MKE to SEA. It’s also a great way to compare other carriers offering the same nonstop trip.

Filter your results by “Morning” and “Early Morning” to find the earliest departures from MKE to SEA. Heading off early means you’re less likely to experience cancellations.**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.

Seattle - Tacoma Intl. Airport (SEA) is the main Seattle hub for Delta Air Lines flights from General Mitchell Intl. Airport (MKE).

Heading from MKE to SEA with Delta Air Lines comes with a host of benefits, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually reschedule or cancel your flight, although additional charges may apply if you booked more than 24 hours ago. Prefer to keep your options open? Make use of our “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you have to revise your plans. To modify your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more details.