How popular is this Milwaukee to Seattle flight route?

Within the past month, 26 users have taken a look at flights from Milwaukee-Mitchell to Seattle/Tacoma Intl.

How long is the flight from Milwaukee to Seattle?

Delta and Alaska Airlines can get you from Milwaukee to Seattle in just under 4h 27m. Your travel time can differ by up to 2h 17m. Milwaukee and Seattle are separated by a distance of 1689 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Milwaukee to Seattle round-trip?

Flying on Sun Country Air is currently your cheapest option to Seattle, with prices starting at $132. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $136 and $165, respectively. Sun Country Air is 63% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Milwaukee to Seattle one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $94. Users have also found prices from $97 and $107 on American Airlines and United Airlines, respectively.

Weekly flight availability from Milwaukee to Seattle

The most flights from MKE to SEA are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Milwaukee to Seattle?

While on average a flight from Milwaukee to Seattle is generally $414, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Milwaukee-Mitchell - Seattle/Tacoma Intl), you can expect to pay $197 for that flight.

What are the most reliable airlines from Milwaukee to Seattle?

Before booking your flight to Seattle from Milwaukee, check out the most reliable airlines to get you to your destination on time: Hawaiian Airlines (70%), American Airlines (70%), Air Tahiti Nui( 70%).

What are the most popular airlines that fly from Milwaukee to Seattle?

Before booking your flight from Milwaukee to Seattle check out the most popular airlines for this route: Alaska Airlines, Delta or American Airlines.

Most accurate provider : When it comes to deals on Milwaukee-Seattle flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Milwaukee-Seattle flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Milwaukee-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Milwaukee-Seattle flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Milwaukee to Seattle?

Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Milwaukee-Mitchell. Booking flights from Milwaukee-Mitchell (MKE) to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 5 daily flights to Seattle from 7 different airlines. 4h 20m is how long a flight from Milwaukee to Seattle/Tacoma Intl will take if you book a nonstop flight.

Can I find deals for flights from Milwaukee to Seattle that include hotel bookings?

Yes. In addition to deals on Milwaukee to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Milwaukee to Seattle?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Seattle.

Can I find deals for business class flights from Milwaukee to Seattle?

Yes. Cheapflights offers flight deals from Milwaukee to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$99+ Flights from Milwaukee to Seattle

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Milwaukee-Mitchell to Seattle/Tacoma Intl are usually found in February or November, booked 61 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Milwaukee to Seattle

Cheapest flights from Milwaukee to Seattle
Explore the most affordable flight options available from Milwaukee to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.

Tue 12/303:50 pmMKE - SEA

1 stop9h 02mUnited Airlines

Fri 1/25:02 amSEA - MKE

1 stop7h 58mUnited Airlines

Deal found 12/25

$345

Thu 12/254:04 pmMKE - SEA

1 stop9h 27mDelta

Tue 12/306:10 amSEA - MKE

1 stop8h 33mDelta

Deal found 12/23

$355

Wed 12/245:25 pmMKE - SEA

1 stop7h 00mDelta

Mon 12/296:00 amSEA - MKE

1 stop9h 14mDelta

Deal found 12/23

$403

Wed 12/245:25 pmMKE - SEA

1 stop7h 00mDelta

Fri 12/266:10 amSEA - MKE

1 stop8h 33mDelta

Deal found 12/24

$413

Thu 12/255:05 amMKE - SEA

1 stop7h 10mSouthwest

Tue 12/306:45 amSEA - MKE

2 stops15h 00mSouthwest

Deal found 12/23

$424

Fri 12/265:49 pmMKE - SEA

1 stop7h 42mDelta

Mon 12/296:00 amSEA - MKE

1 stop9h 14mDelta

Deal found 12/25

$426

Wed 12/314:04 pmMKE - SEA

1 stop9h 27mDelta

Tue 1/611:25 amSEA - MKE

1 stop7h 50mDelta

Deal found 12/25

$428

Wed 12/241:00 pmMKE - SEA

1 stop11h 30mSouthwest

Fri 12/2612:10 pmSEA - MKE

2 stops10h 20mSouthwest

Deal found 12/24

$447

Fri 12/264:45 pmMKE - SEA

2 stops10h 10mSouthwest

Mon 12/295:00 amSEA - MKE

1 stop8h 35mSouthwest

Deal found 12/25

$481

Sat 12/275:35 pmMKE - SEA

1 stop9h 50mSouthwest

Wed 12/312:20 pmSEA - MKE

1 stop5h 40mSouthwest

Deal found 12/23

$488

Best flights from Milwaukee to Seattle
Discover carefully curated flight deals from Milwaukee to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 25, 2025.

Thu 1/153:53 pmMKE - SEA

Nonstop4h 31mAlaska Airlines

Mon 1/199:08 amSEA - MKE

Nonstop3h 49mAlaska Airlines

Deal found 12/24

$197

Wed 4/157:20 amMKE - SEA

1 stop9h 26mDelta

Mon 4/2711:14 pmSEA - MKE

1 stop7h 36mDelta

Deal found 12/23

$204

Wed 4/86:10 amMKE - SEA

2 stops12h 45mSouthwest

Wed 4/1511:45 pmSEA - MKE

1 stop9h 10mSouthwest

Deal found 12/24

$275

Wed 1/710:30 amMKE - SEA

1 stop9h 44mUnited Airlines

Mon 1/1210:58 amSEA - MKE

1 stop7h 50mUnited Airlines

Deal found 12/24

$284

Fri 4/245:45 pmMKE - SEA

1 stop8h 08mDelta

Sat 4/256:00 amSEA - MKE

1 stop6h 19mDelta

Deal found 12/24

$224

Wed 3/253:10 pmMKE - SEA

Nonstop4h 28mAlaska Airlines

Sat 3/288:17 amSEA - MKE

Nonstop3h 57mAlaska Airlines

Deal found 12/23

$244

Fri 3/137:20 amMKE - SEA

1 stop9h 32mDelta

Fri 3/2011:59 pmSEA - MKE

1 stop8h 12mDelta

Deal found 12/23

$241

Fri 5/83:08 pmMKE - SEA

Nonstop4h 20mAlaska Airlines

Tue 5/128:04 amSEA - MKE

Nonstop4h 08mAlaska Airlines

Deal found 12/25

$244

Thu 5/144:42 pmMKE - SEA

Nonstop4h 29mAlaska Airlines

Thu 5/216:00 pmSEA - MKE

Nonstop3h 57mAlaska Airlines

Deal found 12/23

$254

Sat 1/173:59 pmMKE - SEA

1 stop6h 47mDelta

Tue 1/2011:10 pmSEA - MKE

1 stop7h 38mDelta

Deal found 12/24

$264

Thu 1/223:53 pmMKE - SEA

Nonstop4h 31mAlaska Airlines

Mon 1/269:08 amSEA - MKE

Nonstop3h 49mAlaska Airlines

Deal found 12/23

$254

Mon 4/66:59 pmMKE - SEA

1 stop6h 41mDelta

Mon 4/133:35 pmSEA - MKE

1 stop5h 11mDelta

Deal found 12/23

$275

Last-minute flights from Milwaukee to Seattle
Discover last-minute flight deals from Milwaukee to Seattle. Data last updated December 25, 2025 and is based on user searches.

Tue 1/133:59 pmMKE - SEA

1 stop6h 47mDelta

Tue 1/2011:10 pmSEA - MKE

1 stop7h 38mDelta

Deal found 12/24

$234

Tue 1/133:59 pmMKE - SEA

1 stop6h 47mDelta

Thu 1/2211:10 pmSEA - MKE

1 stop7h 38mDelta

Deal found 12/24

$241

Thu 1/153:53 pmMKE - SEA

Nonstop4h 31mAlaska Airlines

Sun 1/189:18 amSEA - MKE

Nonstop3h 49mAlaska Airlines

Deal found 12/24

$197

Fri 1/166:40 amMKE - SEA

1 stop10h 54mAmerican Airlines

Tue 1/2011:55 amSEA - MKE

1 stop8h 04mAmerican Airlines

Deal found 12/23

$238

Sat 1/1712:07 pmMKE - SEA

1 stop9h 11mAmerican Airlines

Wed 1/2111:55 amSEA - MKE

1 stop8h 04mAmerican Airlines

Deal found 12/24

$196

Sat 1/175:30 amMKE - SEA

1 stop8h 25mSouthwest

Wed 1/216:05 amSEA - MKE

2 stops10h 20mSouthwest

Deal found 12/24

$202

Sat 1/173:59 pmMKE - SEA

1 stop6h 47mDelta

Wed 1/216:05 amSEA - MKE

1 stop7h 14mDelta

Deal found 12/24

$217

Sat 1/173:59 pmMKE - SEA

1 stop6h 47mDelta

Thu 1/2211:10 pmSEA - MKE

1 stop7h 38mDelta

Deal found 12/24

$224

Sun 1/184:03 pmMKE - SEA

Nonstop4h 31mAlaska Airlines

Thu 1/229:08 amSEA - MKE

Nonstop3h 49mAlaska Airlines

Deal found 12/24

$237

Wed 1/216:05 amMKE - SEA

1 stop8h 15mSouthwest

Wed 1/286:05 amSEA - MKE

2 stops10h 20mSouthwest

Deal found 12/22

$209

Thu 1/2212:07 pmMKE - SEA

1 stop9h 11mAmerican Airlines

Mon 1/2612:45 pmSEA - MKE

1 stop8h 50mAmerican Airlines

Deal found 12/24

$204

Thu 1/223:53 pmMKE - SEA

Nonstop4h 31mAlaska Airlines

Mon 1/269:08 amSEA - MKE

Nonstop3h 49mAlaska Airlines

Deal found 12/25

$254

One-way flights from Milwaukee to Seattle
Search for one-way flight options from Milwaukee to Seattle. Find affordable one-way fares based on user searches. Data last updated December 25, 2025.

Thu 1/157:32 amMKE - SEA

1 stop7h 42mAmerican Airlines

Deal found 12/25

$99

Fri 2/205:03 pmMKE - SEA

1 stop7h 02mDelta

Deal found 12/25

$106

Fri 2/63:53 pmMKE - SEA

Nonstop4h 31mHawaiian Airlines

Deal found 12/23

$117

Thu 1/153:53 pmMKE - SEA

Nonstop4h 31mAlaska Airlines

Deal found 12/25

$118

Thu 1/2211:30 amMKE - SEA

2 stops11h 45mUnited Airlines

Deal found 12/23

$134

Wed 1/711:30 amMKE - SEA

1 stop8h 44mUnited Airlines

Deal found 12/23

$136

Tue 1/66:40 amMKE - SEA

1 stop10h 54mAmerican Airlines

Deal found 12/24

$149

Sat 2/2811:30 amMKE - SEA

2 stops11h 42mUnited Airlines

Deal found 12/23

$153

Tue 1/64:05 pmMKE - SEA

2 stops10h 54mUnited Airlines

Deal found 12/24

$154

Sat 2/2111:30 amMKE - SEA

1 stop9h 33mUnited Airlines

Deal found 12/24

$164

Sat 2/2111:00 amMKE - SEA

1 stop5h 54mDelta

Deal found 12/23

$170

Find flight deals from Milwaukee to Seattle

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$177 (Alaska Airlines)
One-way from	$99 (American Airlines)
Popular in	June
Cheapest in	February
Average price	$369
Good round-trip deal	$347 or less
Good one-way deal	$242 or less

Provider with most accurate pricing for Milwaukee-Mitchell-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Seattle/Tacoma Intl flights.

Search Deals

From Milwaukee-Mitchell to Seattle/Tacoma Intl

Search Deals

One-way flight from Milwaukee-Mitchell to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($82 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Milwaukee-Mitchell to Seattle/Tacoma Intl.

Search Deals

Price to beat on a one-way flight from Milwaukee-Mitchell to Seattle/Tacoma Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Thu 1/15

3:53 pm-6:24 pm

Nonstop4h 31m

Seattle/Tacoma Intl

Mon 1/19

9:08 am-2:57 pm

Nonstop3h 49m

$197

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 4/15

7:20 am-2:46 pm

1 stop9h 26m

Seattle/Tacoma Intl

Mon 4/27

11:14 pm-8:50 am

1 stop7h 36m

$204

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 4/24

5:45 pm-11:53 pm

1 stop8h 08m

Seattle/Tacoma Intl

Sat 4/25

6:00 am-2:19 pm

1 stop6h 19m

$224

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 3/13

7:20 am-2:52 pm

1 stop9h 32m

Seattle/Tacoma Intl

Fri 3/20

11:59 pm-10:11 am

1 stop8h 12m

$241

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 3/25

3:10 pm-5:38 pm

Nonstop4h 28m

Seattle/Tacoma Intl

Sat 3/28

8:17 am-2:14 pm

Nonstop3h 57m

$244

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Fri 5/8

3:08 pm-5:28 pm

Nonstop4h 20m

Seattle/Tacoma Intl

Tue 5/12

8:04 am-2:12 pm

Nonstop4h 08m

$244

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Thu 5/14

4:42 pm-7:11 pm

Nonstop4h 29m

Seattle/Tacoma Intl

Thu 5/21

6:00 pm-11:57 pm

Nonstop3h 57m

$254

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Thu 1/22

3:53 pm-6:24 pm

Nonstop4h 31m

Seattle/Tacoma Intl

Mon 1/26

9:08 am-2:57 pm

Nonstop3h 49m

$254

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Sat 1/17

3:59 pm-8:46 pm

1 stop6h 47m

Seattle/Tacoma Intl

Tue 1/20

11:10 pm-8:48 am

1 stop7h 38m

$264

MilwaukeeSeattle

MKE - SEA

MKESEA

Milwaukee-Mitchell

Wed 4/8

6:10 am-4:55 pm

2 stops12h 45m

Seattle/Tacoma Intl

Wed 4/15

11:45 pm-10:55 am

1 stop9h 10m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 22 results

Compare providers for flights from Milwaukee to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Milwaukee to Seattle in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Milwaukee-Seattle flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Milwaukee-Seattle flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Milwaukee-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Milwaukee-Seattle flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Milwaukee-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Milwaukee to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Milwaukee with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Milwaukee to Seattle

Prices

Airlines

How far ahead should I book a flight from Milwaukee to Seattle?

To ensure you get the cheapest price possible for a flight from Milwaukee to Seattle, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Milwaukee to Seattle?

Currently, September is the cheapest month in which you can book a flight from Milwaukee to Seattle (average of $113). Flying from Milwaukee to Seattle in December is currently the most expensive (average of $187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MKE to SEA?

It’s optimal to fly from Milwaukee to Seattle in the evening. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Milwaukee to Seattle?

Travelers seeking maximum savings on their Milwaukee to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Milwaukee to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,534 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

11,534 reviews

Alaska Airlines

8.0

Very good

11,534 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Delta

7.9

Good

8,013 reviews

Alaska Airlines

8.0

Very good

11,534 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Hawaiian Airlines

7.8

Good

2,820 reviews

Alaska Airlines

8.0

Very good

11,534 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

United Airlines

7.4

Good

9,115 reviews

Alaska Airlines

8.0

Very good

11,534 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

American Airlines

7.2

Good

11,062 reviews

Alaska Airlines

8.0

Very good

11,534 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

What airports do I use to fly from Milwaukee to Seattle?
Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Milwaukee-Mitchell. Booking flights from Milwaukee-Mitchell (MKE) to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 5 daily flights to Seattle from 7 different airlines. 4h 20m is how long a flight from Milwaukee to Seattle/Tacoma Intl will take if you book a nonstop flight.
How popular is this Milwaukee to Seattle flight route?
Within the past month, 26 users have taken a look at flights from Milwaukee-Mitchell to Seattle/Tacoma Intl.
How long is the flight from Milwaukee to Seattle?
Delta and Alaska Airlines can get you from Milwaukee to Seattle in just under 4h 27m. Your travel time can differ by up to 2h 17m. Milwaukee and Seattle are separated by a distance of 1689 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Milwaukee to Seattle round-trip?
Flying on Sun Country Air is currently your cheapest option to Seattle, with prices starting at $132. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $136 and $165, respectively. Sun Country Air is 63% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Milwaukee to Seattle one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $94. Users have also found prices from $97 and $107 on American Airlines and United Airlines, respectively.
What are the most reliable airlines from Milwaukee to Seattle?
Before booking your flight to Seattle from Milwaukee, check out the most reliable airlines to get you to your destination on time: Hawaiian Airlines (70%), American Airlines (70%), Air Tahiti Nui( 70%).
What are the cheapest flights from Milwaukee to Seattle?
While on average a flight from Milwaukee to Seattle is generally $414, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Milwaukee-Mitchell - Seattle/Tacoma Intl), you can expect to pay $197 for that flight.
Can I find deals for flights from Milwaukee to Seattle that include hotel bookings?
Yes. In addition to deals on Milwaukee to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Milwaukee to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Seattle.
Can I find deals for business class flights from Milwaukee to Seattle?
Yes. Cheapflights offers flight deals from Milwaukee to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Milwaukee to Seattle?
Currently, September is the cheapest month in which you can book a flight from Milwaukee to Seattle (average of $113). Flying from Milwaukee to Seattle in December is currently the most expensive (average of $187). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Other flights to Seattle

Top 7 airlines flying from Milwaukee to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Sun Country Air	Cheapest$137	Average$374	FlexibilityNo cancel fee	On-time83%
Southwest	Cheapest$165	Average$359	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$173	Average$281	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$179	Average$436	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$226	Average$319	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$238	Average$397	FlexibilityNo cancel fee	On-time75%
Hawaiian Airlines	Cheapest$257	Average$400	FlexibilityNo cancel fee	On-time85%

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$99+ Cheap flights from Milwaukee to Seattle (MKE - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Milwaukee-Mitchell to Seattle/Tacoma Intl are usually found in February or November, booked 61 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Milwaukee to Seattle

Cheapest flights from Milwaukee to SeattleExplore the most affordable flight options available from Milwaukee to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.

Explore the most affordable flight options available from Milwaukee to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.

Find flight deals from Milwaukee to Seattle

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Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

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Best time to book a flight from Milwaukee to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Milwaukee with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Milwaukee to Seattle

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Weekly flight availability from Milwaukee to Seattle

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Milwaukee to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Alternative routes for Milwaukee to Seattle

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Top 7 airlines flying from Milwaukee to Seattle

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Cheapest flights from Milwaukee to Seattle
Explore the most affordable flight options available from Milwaukee to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2025.