$162+ Cheap flights from Seattle to Milwaukee (SEA - MKE)
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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MKE
Jul 23 — Jul 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 39 days in advance, depart on a Thursday or Wednesday and return on a Monday
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 June 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 June 23, 2026.
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 8/283:54 pm
SEA
- MKE
1 stop6h 05m
United Airlines
Sat 8/295:00 am
MKE
- SEA
1 stop6h 35m
United Airlines
Deal found 6/22![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:56 pm
SEA
- MKE
1 stop5h 53m
American Airlines
Sat 8/2912:28 pm
MKE
- SEA
1 stop9h 29m
American Airlines
Deal found 6/22![American Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 6/23. 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
SEA
- MKE
1 stop8h 38m
United Airlines
Sat 11/148:30 am
MKE
- SEA
1 stop9h 01m
United Airlines
Deal found 6/23![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/22. 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 9/911:40 am
SEA
- MKE
1 stop7h 45m
Southwest
Sat 9/121:30 pm
MKE
- SEA
2 stops10h 00m
Southwest
Deal found 6/22![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 6/22. 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 7/296:30 am
SEA
- MKE
1 stop13h 35m
Southwest
Wed 8/123:40 pm
MKE
- SEA
1 stop9h 55m
Southwest
Deal found 6/22![Southwest logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/295:20 pm
SEA
- MKE
2 stops11h 47m
United Airlines
Wed 9/92:40 pm
MKE
- SEA
2 stops10h 46m
United Airlines
Deal found 6/22![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:45 pm
SEA
- MKE
1 stop9h 00m
Southwest
Thu 8/66:20 pm
MKE
- SEA
1 stop8h 20m
Southwest
Deal found 6/19![Southwest logo]()
$341
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Thu 7/2311:11 pm
SEA
- MKE
1 stop8h 42m
United Airlines
Wed 7/295:00 am
MKE
- SEA
1 stop6h 40m
United Airlines
Deal found 6/21![United Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/155:00 am
SEA
- MKE
1 stop6h 25m
United Airlines
Sun 7/195:00 am
MKE
- SEA
1 stop6h 40m
United Airlines
Deal found 6/22![United Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:56 pm
SEA
- MKE
1 stop6h 06m
American Airlines
Wed 7/226:55 pm
MKE
- SEA
1 stop7h 57m
American Airlines
Deal found 6/19![American Airlines logo]()
$345
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 June 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 June 23, 2026.
This United Airlines deal was found by Cheapflights users on 6/22. 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 9/97:00 am
SEA
- MKE
1 stop6h 11m
United Airlines
Sat 9/125:00 am
MKE
- SEA
1 stop6h 36m
United Airlines
Deal found 6/22![United Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 6/22. 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 9/911:40 am
SEA
- MKE
1 stop7h 45m
Southwest
Sat 9/121:30 pm
MKE
- SEA
2 stops10h 00m
Southwest
Deal found 6/22![Southwest logo]()
$328
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Tue 11/102:30 pm
SEA
- MKE
1 stop6h 15m
United Airlines
Sat 11/1412:03 pm
MKE
- SEA
1 stop8h 45m
United Airlines
Deal found 6/21![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 6/22. 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.
Thu 8/2711:00 pm
SEA
- MKE
1 stop9h 10m
Southwest
Sat 8/296:30 am
MKE
- SEA
2 stops9h 50m
Southwest
Deal found 6/22![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Thu 9/2411:59 pm
SEA
- MKE
1 stop8h 06m
United Airlines
Tue 9/295:00 am
MKE
- SEA
2 stops8h 46m
United Airlines
Deal found 6/21![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 6/22. 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 8/217:00 am
SEA
- MKE
1 stop9h 15m
Southwest
Sun 8/306:30 am
MKE
- SEA
2 stops10h 30m
Southwest
Deal found 6/22![Southwest logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 7/2711:49 pm
SEA
- MKE
1 stop8h 16m
United Airlines
Tue 8/45:00 am
MKE
- SEA
1 stop6h 40m
United Airlines
Deal found 6/22![United Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:30 am
SEA
- MKE
1 stop8h 30m
Southwest
Thu 8/66:20 pm
MKE
- SEA
1 stop8h 20m
Southwest
Deal found 6/19![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 6/21. 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.
Sat 7/1811:10 am
SEA
- MKE
2 stops11h 10m
Southwest
Mon 7/278:25 pm
MKE
- SEA
1 stop7h 20m
Southwest
Deal found 6/21![Southwest logo]()
$406
Last-minute flights from Seattle to MilwaukeeDiscover last-minute flight deals from Seattle to Milwaukee. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Milwaukee. Data last updated June 23, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/18. 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 7/45:50 am
SEA
- MKE
2 stops9h 30m
Southwest
Sat 7/116:55 pm
MKE
- SEA
1 stop8h 20m
Southwest
Deal found 6/18![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Thu 7/911:11 pm
SEA
- MKE
1 stop5h 49m
United Airlines
Tue 7/145:00 am
MKE
- SEA
1 stop6h 40m
United Airlines
Deal found 6/18![United Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 7/115:00 am
SEA
- MKE
1 stop6h 25m
United Airlines
Tue 7/145:00 am
MKE
- SEA
1 stop6h 40m
United Airlines
Deal found 6/18![United Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:56 pm
SEA
- MKE
1 stop6h 06m
American Airlines
Wed 7/226:55 pm
MKE
- SEA
1 stop7h 57m
American Airlines
Deal found 6/19![American Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 6/22. 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 7/146:30 am
SEA
- MKE
1 stop13h 35m
Southwest
Thu 7/168:25 pm
MKE
- SEA
1 stop7h 20m
Southwest
Deal found 6/22![Southwest logo]()
$328
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/155:00 am
SEA
- MKE
1 stop6h 25m
United Airlines
Sun 7/195:00 am
MKE
- SEA
1 stop6h 40m
United Airlines
Deal found 6/22![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 6/21. 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.
Wed 7/2210:45 pm
SEA
- MKE
1 stop9h 00m
Southwest
Tue 7/287:05 pm
MKE
- SEA
1 stop7h 40m
Southwest
Deal found 6/21![Southwest logo]()
$351
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Thu 7/2311:11 pm
SEA
- MKE
1 stop8h 42m
United Airlines
Wed 7/295:00 am
MKE
- SEA
1 stop6h 40m
United Airlines
Deal found 6/21![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 6/22. 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 7/296:30 am
SEA
- MKE
1 stop13h 35m
Southwest
Wed 8/123:40 pm
MKE
- SEA
1 stop9h 55m
Southwest
Deal found 6/22![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:45 pm
SEA
- MKE
1 stop9h 00m
Southwest
Thu 8/66:20 pm
MKE
- SEA
1 stop8h 20m
Southwest
Deal found 6/19![Southwest logo]()
$341
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 June 23, 2026.
Search for one-way flight options from Seattle to Milwaukee. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Wed 9/211:56 pm
SEA
- MKE
1 stop5h 53m
American Airlines
Deal found 6/21![American Airlines logo]()
$162
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:22 am
SEA
- MKE
1 stop7h 34m
American Airlines
Deal found 6/18![American Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 6/22. 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 8/255:55 am
SEA
- MKE
2 stops8h 45m
Southwest
Deal found 6/22![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 6/18. 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 7/45:50 am
SEA
- MKE
2 stops9h 30m
Southwest
Deal found 6/18![Southwest logo]()
$171
This Southwest deal was found by Cheapflights users on 6/18. 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.
Tue 8/46:25 am
SEA
- MKE
1 stop8h 15m
Southwest
Deal found 6/18![Southwest logo]()
$180
This Southwest deal was found by Cheapflights users on 6/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:55 am
SEA
- MKE
2 stops8h 45m
Southwest
Deal found 6/19![Southwest logo]()
$185
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 8/213:54 pm
SEA
- MKE
1 stop6h 05m
United Airlines
Deal found 6/22![United Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 6/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:10 am
SEA
- MKE
1 stop10h 27m
American Airlines
Deal found 6/23![American Airlines logo]()
$190
This Southwest deal was found by Cheapflights users on 6/20. 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.
Thu 10/15:45 am
SEA
- MKE
2 stops15h 05m
Southwest
Deal found 6/20![Southwest logo]()
$191
This Southwest deal was found by Cheapflights users on 6/20. 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.
Sun 8/99:25 pm
SEA
- MKE
1 stop13h 45m
Southwest
Deal found 6/20![Southwest logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am
SEA
- MKE
2 stops34h 15m
Frontier
Deal found 6/21![Frontier logo]()
$203
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 8/711:49 pm
SEA
- MKE
1 stop8h 16m
United Airlines
Deal found 6/22![United Airlines logo]()
$207
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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (United Airlines) |
One-way from | $162 (American Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $501 |
Good round-trip deal | $482 or less |
Good one-way deal | $258 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 2,558,603 searches. Data last updated June 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
Quickest round-trip
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Wed 9/9
7:00 am-3:11 pm
1 stop6h 11m
Milwaukee-Mitchell
Sat 9/12
5:00 am-9:36 am
1 stop6h 36m
$323
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Tue 11/10
2:30 pm-10:45 pm
1 stop6h 15m
Milwaukee-Mitchell
Sat 11/14
12:03 pm-6:48 pm
1 stop8h 45m
$327
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Wed 9/9
11:40 am-9:25 pm
1 stop7h 45m
Milwaukee-Mitchell
Sat 9/12
1:30 pm-9:30 pm
2 stops10h 00m
$328
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Thu 8/27
11:00 pm-10:10 am
1 stop9h 10m
Milwaukee-Mitchell
Sat 8/29
6:30 am-2:20 pm
2 stops9h 50m
$346
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Thu 9/24
11:59 pm-10:05 am
1 stop8h 06m
Milwaukee-Mitchell
Tue 9/29
5:00 am-11:46 am
2 stops8h 46m
$380
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Fri 8/21
7:00 am-6:15 pm
1 stop9h 15m
Milwaukee-Mitchell
Sun 8/30
6:30 am-3:00 pm
2 stops10h 30m
$384
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Mon 7/27
11:49 pm-10:05 am
1 stop8h 16m
Milwaukee-Mitchell
Tue 8/4
5:00 am-9:40 am
1 stop6h 40m
$387
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Sat 8/1
6:30 am-5:00 pm
1 stop8h 30m
Milwaukee-Mitchell
Thu 8/6
6:20 pm-12:40 am
1 stop8h 20m
$398
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Sat 7/18
11:10 am-12:20 am
2 stops11h 10m
Milwaukee-Mitchell
Mon 7/27
8:25 pm-1:45 am
1 stop7h 20m
$406
Cheapest one-way
Quickest one-way
SeattleMilwaukee
SEA - MKE
SEAMKE
Seattle/Tacoma Intl
Thu 10/1
7:00 am-3:11 pm
1 stop6h 11m
$162
Showing 1-10 of 19 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 June.
| 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
Prices
Airlines
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 38 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 $257). Flying from Seattle to Milwaukee in July is currently the most expensive (average of $524). 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 June 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 June 23, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines 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
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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 locationsSheboygan
Port Washington
New Berlin
Oak Creek
Wauwatosa
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Milwaukee flight routes
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Milwaukee
See prices for flight routes from nearby airports that may be better suited for you.
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 June 23, 2026.
Seattle and Milwaukee flights
Browse other Seattle and Milwaukee flight options. Last updated on June 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 June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Seattle to Milwaukee
Discover the top 6 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 2,558,603 searches. Data last updated June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$344 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$379 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$194 | Average$324 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$366 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$220 | Average$418 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$238 | Average$322 | FlexibilityNo cancel fee | On-time69% |