How many flights depart from Milwaukee to Seattle on average per week?

The number of flights available between Milwaukee and Seattle is 5 per week as of March 2026. The most frequent departure day is Wed, with 60% of weekly flights leaving on this day.

Which layover airport has the shortest connection time from Milwaukee to Seattle?

Chicago (ORD) has the shortest average layover time for this route: 1h 54m.

Which layover airport has the shortest travel time from Milwaukee to Seattle?

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 07m.

What is the cheapest airline that flies from Milwaukee-Mitchell to Seattle/Tacoma Intl?

Frontier, Delta, and Alaska Airlines are the most popular carriers operating from Milwaukee-Mitchell to Seattle/Tacoma Intl

Which layover airport offers the lowest fares from Milwaukee to Seattle?

Flights via Chicago (ORD) offer the lowest average round-trip price of $307.

What airlines fly to Seattle?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from Milwaukee according to our data. Alaska Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Milwaukee and Seattle?

Chicago (ORD) was the most common stop: 57% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?

The number of operators available for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport is 6 as of March 2026.

How old do you have to be to fly from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$115 Cheap Flights from Milwaukee to Seattle in 2026

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 5:38 pm

MKE

SEA

4h 28mnonstop

8:17 am - 2:14 pm

SEA

MKE

3h 57mnonstop

$217Alaska Airlines

Wed, Apr 8 - Wed, Apr 15

6:29 pm - 9:27 am

MKE

SEA

16h 58m

1 stop

7:12 pm - 4:10 pm

SEA

MKE

18h 58m

1 stop

$221Frontier

Fri, Apr 24 - Sun, Apr 26

6:50 am - 11:48 am

MKE

SEA

6h 58m

1 stop

11:35 pm - 10:10 am

SEA

MKE

8h 35m

1 stop

$237United Airlines

Tue, Apr 7 - Tue, Apr 14

6:29 pm - 9:27 am

MKE

SEA

16h 58m

1 stop

4:20 pm - 4:10 pm

SEA

MKE

21h 50m

1 stop

$239Frontier

Fri, Apr 24 - Sun, Apr 26

7:05 pm - 12:55 am

MKE

SEA

7h 50m

1 stop

9:40 am - 10:20 pm

SEA

MKE

10h 40m

2 stops

$242Southwest

Fri, May 1 - Mon, May 11

4:55 pm - 12:30 am

MKE

SEA

9h 35m

1 stop

11:55 pm - 10:55 am

SEA

MKE

9h 00m

1 stop

$248Southwest

Mon, Apr 6 - Mon, Apr 13

12:25 pm - 1:40 am

MKE

SEA

15h 15m

2 stops

11:55 pm - 10:55 am

SEA

MKE

9h 00m

1 stop

$253Southwest

Sun, Apr 5 - Mon, Apr 13

5:00 pm - 10:05 pm

MKE

SEA

7h 05m

1 stop

6:00 am - 4:07 pm

SEA

MKE

8h 07m

1 stop

$255Delta

Tue, Jun 23 - Thu, Jul 9

5:37 pm - 12:36 am

MKE

SEA

8h 59m

1 stop

11:33 pm - 7:41 am

SEA

MKE

6h 08m

1 stop

$257American Airlines

Wed, May 13 - Fri, May 15

4:00 pm - 10:30 pm

MKE

SEA

8h 30m

2 stops

11:55 pm - 10:55 am

SEA

MKE

9h 00m

1 stop

$258Southwest

Tue, Apr 7 - Mon, Apr 13

Frontier flights from Milwaukee to Seattle

Our best Frontier deals on Milwaukee to Seattle flight tickets

Frontier

Apr 24

MKE6:29 pmMilwaukee-Mitchell

16h 58m

1 stop

SEA9:27 amSeattle/Tacoma Intl

Apr 26

SEA7:12 pmSeattle/Tacoma Intl

18h 58m

1 stop

MKE4:10 pmMilwaukee-Mitchell

$221

Frontier

Apr 24

MKE6:29 pmMilwaukee-Mitchell

16h 58m

1 stop

SEA9:27 amSeattle/Tacoma Intl

Apr 26

SEA4:20 pmSeattle/Tacoma Intl

21h 50m

1 stop

MKE4:10 pmMilwaukee-Mitchell

$239

Frontier

Apr 17

MKE6:29 pmMilwaukee-Mitchell

16h 58m

1 stop

SEA9:27 amSeattle/Tacoma Intl

Apr 19

SEA7:12 pmSeattle/Tacoma Intl

18h 58m

1 stop

MKE4:10 pmMilwaukee-Mitchell

$259

Delta flights from Milwaukee to Seattle

Our best Delta deals on Milwaukee to Seattle flight tickets

Delta

May 1

MKE5:48 pmMilwaukee-Mitchell

8h 06m

1 stop

SEA11:54 pmSeattle/Tacoma Intl

May 11

SEA10:50 amSeattle/Tacoma Intl

8h 43m

1 stop

MKE9:33 pmMilwaukee-Mitchell

$255

Delta

Apr 8

MKE7:35 amMilwaukee-Mitchell

9h 19m

1 stop

SEA2:54 pmSeattle/Tacoma Intl

Apr 15

SEA6:00 amSeattle/Tacoma Intl

7h 03m

1 stop

MKE3:03 pmMilwaukee-Mitchell

$273

Delta

Jun 2

MKE5:01 pmMilwaukee-Mitchell

7h 45m

1 stop

SEA10:46 pmSeattle/Tacoma Intl

Jun 10

SEA11:45 amSeattle/Tacoma Intl

7h 20m

1 stop

MKE9:05 pmMilwaukee-Mitchell

$295

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 4/8

3:10 pm-5:38 pm

Nonstop4h 28m

Seattle/Tacoma Intl

Wed 4/15

8:17 am-2:14 pm

Nonstop3h 57m

$217

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 4/24

6:29 pm-9:27 am

1 stop16h 58m

Seattle/Tacoma Intl

Sun 4/26

7:12 pm-4:10 pm

1 stop18h 58m

$221

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Tue 4/7

6:50 am-11:48 am

1 stop6h 58m

Seattle/Tacoma Intl

Tue 4/14

11:35 pm-10:10 am

1 stop8h 35m

$237

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 4/24

6:29 pm-9:27 am

1 stop16h 58m

Seattle/Tacoma Intl

Sun 4/26

4:20 pm-4:10 pm

1 stop21h 50m

$239

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 5/1

7:05 pm-12:55 am

1 stop7h 50m

Seattle/Tacoma Intl

Mon 5/11

9:40 am-10:20 pm

2 stops10h 40m

$242

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Mon 4/6

4:55 pm-12:30 am

1 stop9h 35m

Seattle/Tacoma Intl

Mon 4/13

11:55 pm-10:55 am

1 stop9h 00m

$248

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Sun 4/5

12:25 pm-1:40 am

2 stops15h 15m

Seattle/Tacoma Intl

Mon 4/13

11:55 pm-10:55 am

1 stop9h 00m

$253

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Tue 6/23

5:00 pm-10:05 pm

1 stop7h 05m

Seattle/Tacoma Intl

Thu 7/9

6:00 am-4:07 pm

1 stop8h 07m

$255

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 5/13

5:37 pm-12:36 am

1 stop8h 59m

Seattle/Tacoma Intl

Fri 5/15

11:33 pm-7:41 am

1 stop6h 08m

$257

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Tue 4/7

4:00 pm-10:30 pm

2 stops8h 30m

Seattle/Tacoma Intl

Mon 4/13

11:55 pm-10:55 am

1 stop9h 00m

$258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Milwaukee to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Milwaukee to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $277. If you don’t want to visit Seattle in February, then you should wait until November to fly from Milwaukee, when ticket prices are also cheap, with an average price of $295.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Milwaukee is on a Saturday. momondo users have found tickets for Saturday departures for as low as $412. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Milwaukee because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $514.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Milwaukee in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $366 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $512. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Milwaukee-Mitchell to Seattle/Tacoma Intl flight route?

Fly from Milwaukee-Mitchell to Seattle/Tacoma Intl for the best Milwaukee-Mitchell - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Milwaukee when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $340 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Milwaukee for as low as $293 on momondo.

What cabin class options are available on Milwaukee-Mitchell to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Milwaukee-Mitchell to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Milwaukee to Seattle flight prices changed over time?

As of March 2026, prices for Milwaukee to Seattle flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Milwaukee to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Milwaukee to Seattle (MKE to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Seattle

Best Price Found	$180
Fastest flight time	4h 20m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Milwaukee in the past 72 hours is $180. The best round-trip flight deal from Milwaukee to Seattle found on momondo in the last 72 hours is $298.

The fastest flight from Milwaukee to Seattle takes 4h 20m

Direct flights go from Milwaukee to Seattle every day.

There is 1 airport in Seattle. From Milwaukee there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

How far is Milwaukee-Mitchell to Seattle/Tacoma Intl by plane?
Milwaukee-Mitchell and Seattle/Tacoma Intl are 1686.6 mi apart from one another. In terms of flight time, this usually takes a little over 4h 20m.
When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport is 6 as of March 2026.
How old do you have to be to fly from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Milwaukee to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Milwaukee to Seattle is Boeing 737 (44.62% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (19.32%), Boeing 737-800 (6.77%), and Boeing 737 MAX 9 (4.98%).
What is the most popular airline from Milwaukee to Seattle?
Based on momondo bookings for flights between Milwaukee and Seattle, the leading airline is Alaska Airlines, making up 59% of the total bookings. Other popular airlines include Hawaiian Airlines with 11%, Delta with 10%, and American Airlines with 10%.

Best airlines flying from Milwaukee to Seattle

Compare and see reviews for airlines that fly from Milwaukee to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $130	Free Cancellation	Rating 7.9 8,288 reviews	Search Delta flights
Southwest	PriceFrom $176	Free Cancellation	Rating 8.0 4,320 reviews	Search Southwest flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,469 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $206	Free Cancellation	Rating 7.9 12,063 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $226	Free Cancellation	Rating 7.4 9,434 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $237	Free Cancellation	Rating 7.8 2,840 reviews	Search Hawaiian Airlines flights

Alaska Airlines Flights From Milwaukee to Seattle
Alaska Airlines is one of the most popular airlines flying from Milwaukee to Seattle, operating 1 flight/week on average for this route. A good Alaska Airlines flight deal for Milwaukee to Seattle starts from $206 round-trip, up to an average price of $368. Our users have rated Alaska Airlines at 7.9/10.
Hawaiian Airlines Flights From Milwaukee to Seattle
Another popular option for Milwaukee to Seattle flights is Hawaiian Airlines (7.8/10, 2,840 ratings). Hawaiian Airlines flies from Milwaukee to Seattle around 1 time per week, with deals starting from $237 round-trip and rising to an average price of around $390.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Puyallup

Cle Elum

Lakewood

Tukwila

Federal Way

Fife

Westport

Centralia

Kirkland

Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Milwaukee to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Milwaukee to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Milwaukee with this policy.

How can momondo help me find flights from Milwaukee to Seattle?

Once you have performed a search for Milwaukee to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Milwaukee to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Milwaukee to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

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Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from Milwaukee to Seattle from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Seattle departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best Delta deals on Milwaukee to Seattle flight tickets

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See travel insights to Seattle from

How to get the cheapest flight ticket from Milwaukee to Seattle

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest Milwaukee-Mitchell to Seattle/Tacoma Intl flight route?

How far in advance should I book a flight to Seattle?

What cabin class options are available on Milwaukee-Mitchell to Seattle/Tacoma Intl flights?

How have Milwaukee to Seattle flight prices changed over time?

What is the cheapest airline that flies from Milwaukee-Mitchell to Seattle/Tacoma Intl?

What airlines fly to Seattle?

Which airport is the most popular layover for flights between Milwaukee and Seattle?

Which layover airport offers the lowest fares from Milwaukee to Seattle?

Which layover airport has the shortest travel time from Milwaukee to Seattle?

Which layover airport has the shortest connection time from Milwaukee to Seattle?

How many flights depart from Milwaukee to Seattle on average per week?

When to book flights from Milwaukee to Seattle

Cheap Milwaukee to Seattle (MKE to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

Best airlines flying from Milwaukee to Seattle

Compare and see reviews for airlines that fly from Milwaukee to Seattle with momondo

Alaska Airlines Flights From Milwaukee to Seattle

Hawaiian Airlines Flights From Milwaukee to Seattle

Traveling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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Find better results for your trip to the United States

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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