$189+ Cheap flights from Seattle to Milwaukee (SEA - MKE)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MKE
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Milwaukee with Cheapflights
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.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Milwaukee-Mitchell are usually found in January or February, booked 77 days in advance, depart on a Thursday or Wednesday and return on a Wednesday
Cheap flight deals from Seattle to Milwaukee
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to MilwaukeeExplore the most affordable flight options available from Seattle to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Seattle to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
1 stop8h 43m
Sat 11/148:50 am -
1 stop8h 42m
Deal found 9/23![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:00 pm -
1 stop8h 37m
Sat 10/312:18 pm -
1 stop6h 45m
Deal found 9/21![United Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:35 pm -
2 stops12h 32m
Wed 10/215:30 am -
2 stops10h 47m
Deal found 9/22![United Airlines logo]()
$337
This SmartFares deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 am -
Nonstop3h 55m
Sat 10/315:17 pm -
Nonstop4h 25m
Deal found 9/21![Alaska Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:25 pm -
1 stop6h 30m
Mon 11/167:30 am -
1 stop9h 25m
Deal found 9/21![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/121:05 pm -
1 stop5h 40m
Mon 12/148:00 am -
2 stops11h 50m
Deal found 9/23![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:55 am -
2 stops8h 55m
Sat 10/316:25 am -
2 stops11h 25m
Deal found 9/22![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:40 am -
1 stop8h 40m
Tue 12/14:15 pm -
1 stop9h 20m
Deal found 9/20![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:50 pm -
1 stop8h 19m
Wed 10/214:56 pm -
1 stop7h 09m
Deal found 9/18![Delta logo]()
$393
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1510:27 am -
1 stop9h 33m
Fri 1/16:47 am -
1 stop8h 26m
Deal found 9/20![American Airlines logo]()
$394
Best flights from Seattle to MilwaukeeDiscover carefully curated flight deals from Seattle to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Seattle to Milwaukee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:35 pm -
2 stops12h 32m
Tue 10/205:30 am -
2 stops10h 47m
Deal found 9/18![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:05 am -
1 stop8h 51m
Sun 11/16:30 am -
1 stop6h 20m
Deal found 9/21![Delta logo]()
$406
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:45 pm -
1 stop7h 15m
Fri 10/164:35 pm -
2 stops10h 05m
Deal found 9/22![Southwest logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:18 am -
Nonstop4h 01m
Sun 11/14:40 pm -
Nonstop4h 30m
Deal found 9/22![Alaska Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/912:46 pm -
1 stop6h 37m
Wed 2/104:15 pm -
1 stop6h 57m
Deal found 9/22![United Airlines logo]()
$492
This Alaska Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/159:38 am -
Nonstop3h 49m
Fri 1/16:06 am -
Nonstop4h 45m
Deal found 9/20![Alaska Airlines logo]()
$497
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/231:45 pm -
2 stops9h 35m
Thu 12/318:00 am -
2 stops11h 50m
Deal found 9/22![Southwest logo]()
$508
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/75:07 am -
1 stop7h 18m
Sun 1/1012:30 pm -
2 stops11h 26m
Deal found 9/22![United Airlines logo]()
$531
This Alaska Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:09 pm -
Nonstop3h 50m
Sat 11/286:00 am -
Nonstop4h 47m
Deal found 9/19![Alaska Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:40 am -
2 stops9h 35m
Sun 11/12:35 pm -
2 stops10h 43m
Deal found 9/18![United Airlines logo]()
$552
Last-minute flights from Seattle to MilwaukeeDiscover last-minute flight deals from Seattle to Milwaukee. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Milwaukee. Data last updated September 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:05 am -
2 stops11h 05m
Sat 10/175:00 pm -
1 stop7h 25m
Deal found 9/18![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:13 pm -
1 stop8h 54m
Wed 10/212:39 pm -
1 stop8h 36m
Deal found 9/18![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:35 pm -
2 stops12h 32m
Wed 10/212:39 pm -
1 stop8h 36m
Deal found 9/22![United Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:50 pm -
1 stop8h 19m
Wed 10/214:56 pm -
1 stop7h 09m
Deal found 9/18![Delta logo]()
$393
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:35 am -
2 stops9h 15m
Sat 10/241:50 pm -
1 stop8h 15m
Deal found 9/21![Southwest logo]()
$398
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop8h 31m
Mon 10/264:56 pm -
1 stop7h 09m
Deal found 9/19![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:13 pm -
1 stop5h 54m
Thu 10/296:47 am -
2 stops9h 07m
Deal found 9/22![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:00 pm -
1 stop8h 37m
Sat 10/312:18 pm -
1 stop6h 45m
Deal found 9/21![United Airlines logo]()
$328
This SmartFares deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 am -
Nonstop3h 55m
Sat 10/315:17 pm -
Nonstop4h 25m
Deal found 9/21![Alaska Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:55 am -
2 stops8h 55m
Sat 10/316:25 am -
2 stops11h 25m
Deal found 9/22![Southwest logo]()
$387
One-way flights from Seattle to MilwaukeeSearch for one-way flight options from Seattle to Milwaukee. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Seattle to Milwaukee. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:42 am -
1 stop8h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:45 pm -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Southwest logo]()
$194
This American Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:59 pm -
1 stop6h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:35 am -
2 stops9h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$210
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:13 pm -
1 stop5h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:45 am -
Nonstop3h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Alaska Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:35 am -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:00 am -
Nonstop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Alaska Airlines logo]()
$229
This KAYAK deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:59 pm -
1 stop6h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$231
This Priceline deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:18 am -
Nonstop4h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Alaska Airlines logo]()
$239
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am -
Nonstop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Alaska Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:30 am -
1 stop6h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$249
Find flight deals from Seattle to Milwaukee
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (United Airlines) |
One-way from | $189 (United Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $448 |
Good round-trip deal | $447 or less |
Good one-way deal | $328 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Seattle to Milwaukee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Sat 10/17
10:42 am-9:25 pm
1 stop8h 43m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Tue 10/20
11:13 pm-10:07 am
1 stop8h 54m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Mon 10/19
7:00 am-5:40 pm
1 stop8h 40m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Wed 10/14
1:56 pm-10:59 pm
1 stop7h 03m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Mon 12/21
1:45 pm-1:20 am
2 stops9h 35m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$194
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Thu 10/15
11:35 am-12:10 am
2 stops10h 35m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$194
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Sun 11/1
11:10 pm-8:40 am
1 stop7h 30m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$218
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Sun 1/10
7:00 am-5:31 pm
1 stop8h 31m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$218
Quickest round-trip
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Sun 10/18
11:13 pm-7:07 am
1 stop5h 54m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$218
SeattleMilwaukee
SEA Seattle/Tacoma Intl - MKE Milwaukee-Mitchell
SEAMKE
Seattle/Tacoma Intl
Tue 11/24
10:56 pm-8:36 am
1 stop7h 40m
Milwaukee-Mitchell
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$218
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Seattle to Milwaukee
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.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Milwaukee in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Milwaukee flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Milwaukee flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Milwaukee 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 Seattle to Milwaukee
Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Seattle with our price prediction graph.
SEA-MKE
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 Seattle to Milwaukee
How far ahead should I book a flight from Seattle to Milwaukee?
The price you pay for your flight from Seattle to Milwaukee may vary depending on when you book. For the best chance of a lower fare, look to book 76 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Milwaukee?
Currently, January is the cheapest month in which you can book a flight from Seattle to Milwaukee (average of $251). Flying from Seattle to Milwaukee in July is currently the most expensive (average of $547). 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 SEA to MKE?
Find hourly flight availability from Seattle to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2026.
When flying from Seattle to Milwaukee, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Milwaukee
Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated September 23, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Seattle to Milwaukee have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Milwaukee?
Book flights to Milwaukee if you plan to visit one of these locationsPort Washington
Sheboygan
New Berlin
Oak Creek
Wauwatosa
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
Complete your trip to Milwaukee by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Milwaukee by cabin class
Find flights from Seattle to Milwaukee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Milwaukee
Explore flights to Milwaukee departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Seattle and Milwaukee flights
Browse other Seattle and Milwaukee flight options. Last updated on September 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seattle to Milwaukee
Discover the top 5 airlines that operate flights from Seattle to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$195 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$411 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$454 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$251 | Average$389 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$262 | Average$329 | FlexibilityNo cancel fee | On-time69% |