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Cheap Flights from Milwaukee (MKE) to Seattle (SEA)

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      Compare Milwaukee General Mitchell to Seattle / Tacoma International flight deals

      Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

      Book the best Seattle / Tacoma International fare with no extra fees

      Flight deals from Milwaukee General Mitchell to Seattle / Tacoma International

      Looking for a cheap last-minute deal or the best return flight from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from $488. Find the lowest prices on one-way and return tickets right here.
      Seattle.$488 per passenger.Departing Fri, 16 Oct, returning Fri, 16 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Milwaukee General Mitchell on Fri, 16 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Fri, 16 Oct, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $488, select.
      Seattle.$489 per passenger.Departing Tue, 26 Jan, returning Sat, 30 Jan.Return flight with United.Outbound indirect flight with United, departs from Milwaukee General Mitchell on Tue, 26 Jan, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sat, 30 Jan, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $489, select.
      Seattle.$495 per passenger.Departing Wed, 24 Feb, returning Mon, 1 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Milwaukee General Mitchell on Wed, 24 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 1 Mar, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $495, select.
      Seattle.$496 per passenger.Departing Tue, 3 Nov, returning Thu, 12 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Milwaukee General Mitchell on Tue, 3 Nov, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Thu, 12 Nov, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $496, select.
      Seattle.$496 per passenger.Departing Wed, 23 Dec, returning Sun, 10 Jan.Return flight with United.Outbound indirect flight with United, departs from Milwaukee General Mitchell on Wed, 23 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sun, 10 Jan, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $496, select.
      Seattle.$496 per passenger.Departing Wed, 2 Dec, returning Wed, 30 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Milwaukee General Mitchell on Wed, 2 Dec, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Wed, 30 Dec, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $496, select.
      Seattle.$496 per passenger.Departing Wed, 30 Sep, returning Sat, 3 Oct.Return flight with United.Outbound indirect flight with United, departs from Milwaukee General Mitchell on Wed, 30 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Sat, 3 Oct, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $496, select.
      Seattle.$497 per passenger.Departing Mon, 8 Feb, returning Fri, 19 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Milwaukee General Mitchell on Mon, 8 Feb, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Fri, 19 Feb, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $497, select.
      Seattle.$497 per passenger.Departing Fri, 7 May, returning Mon, 17 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Milwaukee General Mitchell on Fri, 7 May, arriving in Seattle / Tacoma International.Inbound indirect flight with Delta, departs from Seattle / Tacoma International on Mon, 17 May, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $497, select.
      Seattle.$497 per passenger.Departing Mon, 12 Apr, returning Fri, 23 Apr.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Milwaukee General Mitchell on Mon, 12 Apr, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Fri, 23 Apr, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $497, select.
      Seattle.$497 per passenger.Departing Wed, 28 Oct, returning Mon, 9 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Milwaukee General Mitchell on Wed, 28 Oct, arriving in Seattle / Tacoma International.Inbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Mon, 9 Nov, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $497, select.
      Seattle.$497 per passenger.Departing Mon, 8 Mar, returning Fri, 19 Mar.Return flight with United.Outbound indirect flight with United, departs from Milwaukee General Mitchell on Mon, 8 Mar, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Fri, 19 Mar, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $497, select.
      Seattle.$589 per passenger.Departing Thu, 24 Sep, returning Tue, 29 Sep.Return flight with United.Outbound indirect flight with United, departs from Milwaukee General Mitchell on Thu, 24 Sep, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Tue, 29 Sep, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $589, select.
      Seattle.$642 per passenger.Departing Mon, 2 Aug, returning Mon, 9 Aug.Return flight with United.Outbound indirect flight with United, departs from Milwaukee General Mitchell on Mon, 2 Aug, arriving in Seattle / Tacoma International.Inbound indirect flight with United, departs from Seattle / Tacoma International on Mon, 9 Aug, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $642, select.
      Seattle.$675 per passenger.Departing Fri, 2 Oct, returning Mon, 5 Oct.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Milwaukee General Mitchell on Fri, 2 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Mon, 5 Oct, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $675, select.
      Seattle.$783 per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Milwaukee General Mitchell on Mon, 26 Oct, arriving in Seattle / Tacoma International.Inbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Mon, 2 Nov, arriving in Milwaukee General Mitchell.Price includes taxes and charges.From $783, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Milwaukee General Mitchell to Seattle / Tacoma International found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Milwaukee General Mitchell to Seattle / Tacoma International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Milwaukee General Mitchell to Seattle / Tacoma International flights are currently cheapest in October.
      Sep
      from $589
      Oct
      from $488
      Nov
      from $496
      Dec
      from $496
      Jan
      from $489
      Feb
      from $497
      Mar
      from $497
      Apr
      from $497
      May
      from $497
      Jun
      from $947
      Jul
      from $876
      Aug
      from $642

      Direct flights from Milwaukee General Mitchell to Seattle / Tacoma International

      Alaska Airlines
      American Airlines
      Qatar Airways

      Milwaukee General Mitchell to Seattle / Tacoma International: Alternative routes

      Compare routes from Milwaukee General Mitchell to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

      Seattle Lake Union SPB

      2km from central Seattle
      Closest
      Search flights

      Seattle Boeing Fld

      11km from central Seattle
      Search flights

      Seattle / Tacoma International

      20km from central Seattle
      Cheapest
      from $488
      Search flights

      Paine Field

      33km from central Seattle
      Search flights

      Milwaukee to Seattle: Flight information

      The things to know before you go.
      Cheapest flight found$488
      Cheapest month to flyOctober
      Average flight time4 hrs, 32 mins
      Most popular airlineAlaska Airlines
      Average flights per week40

      Finding cheap flights from Milwaukee General Mitchell to Seattle / Tacoma International: Frequently asked questions

      The best price we found for a return flight from Milwaukee General Mitchell to Seattle / Tacoma International is $488. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      4 hours and 32 minutes is the average flight time from Milwaukee General Mitchell to Seattle / Tacoma International.
      Alaska Airlines, Qatar Airways and American Airlines fly direct from Milwaukee General Mitchell to Seattle / Tacoma International.
      As of September 2026, there are 40 flights per week flying from Milwaukee General Mitchell to Seattle / Tacoma International.
      The cheapest month to fly from Milwaukee General Mitchell to Seattle / Tacoma International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport on Friday, 16 October 2026.
      Yes – the average flight time is 4 hours and 32 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Delta and Alaska Airlines offer the cheapest flight tickets to Seattle / Tacoma International.

      Travelling from Milwaukee General Mitchell Airport (MKE) to Seattle / Tacoma International Airport (SEA): what you need to know

      • The average duration of a direct flight from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport is 4 hours 30 minutes.

      • The timezone in Seattle is UTC-8, which is two hours behind Milwaukee.

      • Every week, there are nine Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport flights. If you prefer to take off as early as possible, select the 06:18 Alaska Airlines flight. If you're eager to make the most of your time before flying, the last flight is at 15:06 with Alaska Airlines.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport on time to catch your MKE to SEA flight.

      • During popular months like June, it's best to get to the airport even earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during peak periods in general.

      • Jetting into Seattle (and then discovering more of the United States!) is a breeze with Alaska Airlines. This popular carrier has direct flights from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport.

      • Alaska Airlines is the airline with the highest passenger demand for this route.

      • The most punctual carrier that offers MKE to SEA flights is Alaska Airlines. Its services arrive without delay 76.52% of the time.

      • We make it simple to book a flight with a stopover. To see your options for tickets from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to tour the city of your choice. Top stopovers between MKE and SEA include:

        • Denver International Airport

        • Minneapolis St Paul Airport

        • St Louis Airport

      How to find the cheapest flights from Milwaukee General Mitchell Airport (MKE) to Seattle / Tacoma International Airport (SEA)

      • $211 is currently the lowest price for a one-way Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport flight. Return flights start at $488. These fares may change depending on availability.

      • To score cheap tickets from MKE to SEA, book as early as you can. Airlines typically offer lower prices when flights are first made available.

      • The cheapest month for flights from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible schedule.

      • Landing cheap flights from MKE to SEA is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when there's a better deal.

      • Tailor your flights using filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport.

      Handy information about Milwaukee General Mitchell Airport (MKE)

      • You'll find MKE at 5300 S. Howell Avenue.

      • 76% of flights leaving from Milwaukee General Mitchell Airport reach their destination on schedule.

      • Milwaukee General Mitchell Airport is about 16 kilometres from central Milwaukee. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

      • Catching public transport? Expect a journey time of around 40 minutes.

      • Taking an early flight from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to MKE:

      Arriving at Seattle / Tacoma International Airport (SEA)

      Getting from Seattle / Tacoma International Airport (SEA) to central Seattle

      • Seattle / Tacoma International Airport is approximately 23 kilometres from central Seattle. The drive time takes about 25 minutes.

      • Travelling on public transport takes about 35 minutes.

      When to fly to Seattle / Tacoma International Airport (SEA)

      • The quietest month for a flight from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport is March, while July is the busiest. Pick the best time to go to Seattle based on whether you prefer a laid-back vibe or a more bustling atmosphere.

      • Before locking in your flight from Milwaukee General Mitchell Airport to Seattle / Tacoma International Airport, consider the type of weather you enjoy. August is the warmest month in Seattle, with the temperature ranging from 12ºC (54ºF) to 28ºC (82ºF).

      • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for cheap tickets from MKE to SEA sometime then if you like travelling in cooler conditions.

      Explore more of the United States

      • You've seen Seattle, now it's time to discover more of the United States. Journey about 241 kilometres south to Portland to check off its leading attractions. From Portland Japanese Garden to Peninsula Park Rose Garden and Beyond Van Gogh Portland, you'll have a full itinerary ahead.

      • If you're eager to discover another well-known destination in the United States, head for Spokane, roughly 370 kilometres east of Seattle. Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes are key highlights.

      Plan smart, explore more

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      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.