Cheap Flights from Milwaukee, WI to Seattle, WA from $79

Return flight: Seattle – Milwaukee

On Cheapflightsplus.com you will find 4 direct and 238 connecting flights from Milwaukee to Seattle. You can compare airfare deals from 6 airlines and multiple travel sites from $79, book and save on cheap plane tickets and last minute offers. Also check out MKE-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Milwaukee to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $79 (one-way), $135 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Milwaukee to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:30 — 08:50
06:30 — 08:50 HA6250 Hawaiian Airlines
Milwaukee — Seattle
4h 20m
Find flight
from$99
06:30 — 08:50
06:30 — 08:50 AS242 Alaska Airlines
Milwaukee — Seattle
4h 20m
Find flight
from$102
15:20 — 17:37
15:20 — 17:37 HA6251 Hawaiian Airlines
Milwaukee — Seattle
4h 17m
Find flight
from$99
15:20 — 17:37
15:20 — 17:37 AS366 Alaska Airlines
Milwaukee — Seattle
4h 17m
Find flight
from$102
05:00 — 09:43
05:00 — 06:10 UA5799 United Airlines
Milwaukee — Chicago
1h stop
07:10 — 09:43 UA1005 United Airlines
Chicago — Seattle
6h 43m
including layover
Find flight
from$128
08:30 — 13:28
08:30 — 10:05 UA1608 United Airlines
Milwaukee — Denver
1h 23m stop
11:28 — 13:28 UA690 United Airlines
Denver — Seattle
6h 58m
including layover
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from$128
08:30 — 15:31
08:30 — 10:05 UA1608 United Airlines
Milwaukee — Denver
3h 30m stop
13:35 — 15:31 UA594 United Airlines
Denver — Seattle
9h 1m
including layover
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from$128
10:20 — 19:18
10:20 — 13:21 UA5238 United Airlines
Milwaukee — Houston
3h 9m stop
16:30 — 19:18 UA2084 United Airlines
Houston — Seattle
10h 58m
including layover
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from$128
10:50 — 15:42
10:50 — 12:00 UA5347 United Airlines
Milwaukee — Chicago
1h 5m stop
13:05 — 15:42 UA1160 United Airlines
Chicago — Seattle
6h 52m
including layover
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from$128
14:47 — 21:22
14:47 — 16:23 UA1942 United Airlines
Milwaukee — Denver
3h 2m stop
19:25 — 21:22 UA1729 United Airlines
Denver — Seattle
8h 35m
including layover
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from$128
14:47 — 21:23
14:47 — 16:27 UA2619 United Airlines
Milwaukee — Denver
2h 58m stop
19:25 — 21:23 UA299 United Airlines
Denver — Seattle
8h 36m
including layover
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from$129
17:31 — 23:59
17:31 — 18:36 UA5648 United Airlines
Milwaukee — Chicago
2h 40m stop
21:16 — 23:59 UA1001 United Airlines
Chicago — Seattle
8h 28m
including layover
Find flight
from$129
17:40 — 22:18
17:29 — 18:34 UA5648 United Airlines
Milwaukee — Chicago
45m stop
19:59 — 22:42 UA2211 United Airlines
Chicago — Seattle
6h 38m
including layover
Find flight
from$128
18:04 — 22:59
08:30 — 10:10 UA1401 United Airlines
Milwaukee — Denver
1h 20m stop
21:00 — 22:59 UA2651 United Airlines
Denver — Seattle
6h 55m
including layover
Find flight
from$129
18:30 — 07:59
+1 day
18:30 — 19:49 SY1816 Sun Country Airlines
Milwaukee — Minneapolis
10h 23m stop
06:12 — 07:59 SY281 Sun Country Airlines
Minneapolis — Seattle
15h 29m
including layover
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from$105
19:58 — 00:34
+1 day
19:45 — 21:34 F91609 Frontier Airlines
Milwaukee — Denver
51m stop
22:29 — 00:37 F93405 Frontier Airlines
Denver — Seattle
6h 36m
including layover
Find flight
from$79
19:58 — 23:42
+1 day
19:58 — 21:38 F91609 Frontier Airlines
Milwaukee — Denver
23h 58m stop
21:36 — 23:42 F94545 Frontier Airlines
Denver — Seattle
29h 44m
including layover
Find flight
from$84
21:20 — 15:03
+1 day
19:54 — 21:47 NK2622 Spirit Airlines
Milwaukee — Las Vegas
12h 48m stop
11:40 — 14:25 NK2327 Spirit Airlines
Las Vegas — Seattle
19h 43m
including layover
Find flight
from$124
05:00 — 13:28
05:00 — 06:10 UA5799 United Airlines
Milwaukee — Chicago
1h 9m stop
07:19 — 10:05 UA2214 United Airlines
Chicago — San Francisco
1h 5m stop
11:10 — 13:28 UA433 United Airlines
San Francisco — Seattle
10h 28m
including layover
Find flight
from$134
07:00 — 15:14
07:00 — 08:10 UA4803 United Airlines
Milwaukee — Chicago
40m stop
08:50 — 11:32 UA1387 United Airlines
Chicago — San Francisco
1h 28m stop
13:00 — 15:14 UA2041 United Airlines
San Francisco — Seattle
10h 14m
including layover
Find flight
from$134
07:00 — 15:53
07:00 — 08:05 UA4803 United Airlines
Milwaukee — Chicago
47m stop
08:52 — 11:55 UA1068 United Airlines
Chicago — Washington D.C.
1h 10m stop
13:05 — 15:53 UA1395 United Airlines
Washington D.C. — Seattle
10h 53m
including layover
Find flight
from$134
12:05 — 23:09
12:05 — 13:15 UA4740 United Airlines
Milwaukee — Chicago
1h 15m stop
14:30 — 17:15 UA1577 United Airlines
Chicago — San Francisco
3h 40m stop
20:55 — 23:09 UA1577 United Airlines
San Francisco — Seattle
13h 4m
including layover
Find flight
from$132
12:05 — 21:17
12:05 — 13:15 UA4740 United Airlines
Milwaukee — Chicago
1h 38m stop
14:53 — 16:35 UA2048 United Airlines
Chicago — Denver
2h 45m stop
19:20 — 21:17 UA299 United Airlines
Denver — Seattle
11h 12m
including layover
Find flight
from$134
*Departure and arrival times - local. Updated on June 9, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Milwaukee to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Milwaukee and Seattle is 2719 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 21:20 from 3 Milwaukee airports and arrive 05:00 to 21:20 to 3 Seattle airports. Average flight time is 4h 19m.

  • The fastest flight 4h 17m
  • Average flight time 4h 19m
  • The earliest flight 05:00
  • The latest flight 21:20
  • Distance 1690 ml

The cheapest months to travel to Seattle are july (from 106 $), may (from 111 $), june (from 111 $).

The most expensive months are february (from 442 $), october (from 171 $), august (from 133 $).

What is the lowest airfare Milwaukee to Seattle?

The cheapest plane ticket found by our users is $79. This airfare is for economy class on one-way F91609 flight by Frontier Airlines for July 14, 2025 which leaves General Mitchell in Milwaukee at 19:58 am and arrives at Seattle Seattle-Tacoma Intl at 00:34.

Economy class
$79
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Business class
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First class
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Popular Airlines on the Route

The flight Milwaukee — Seattle is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 63 departures per week at the price of from $ 102 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 5076.

Direct flights

There are 4 nonstop flights on the route. The fastest direct flight is HA6251 by Hawaiian Airlines takes 4h 17m and the cheapest is F91609 by Frontier Airlines for $99.

  • AS - Alaska Airlines
    from $102
    Find
  • HA - Hawaiian Airlines
    from $99
    Find
See more direct flights

Connecting Flights

There are 238 flights with layovers on the route. The fastest connecting flight is SY1816 by Sun Country Airlines takes 6h 12m and the cheapest is F91609 by Frontier Airlines for $79.

  • AS - Alaska Airlines
    from $162
    Find
  • F9 - Frontier Airlines
    from $79
    Find
  • SY - Sun Country Airlines
    from $105
    Find
  • UA - United Airlines
    from $128
    Find
  • NK - Spirit Airlines
    from $124
    Find
See more connecting flights

Airports

You can fly from Milwaukee to Seattle from 3 airports (Lawrence J Timmerman, Milwaukee General Mitchell, General Mitchell).

Milwaukee airports

  • Lawrence J Timmerman-MWC
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  • Milwaukee General Mitchell-ZML
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  • General Mitchell-MKE
    from $79
    Find

Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
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  • Kenmore Air Harbor SPB-LKE
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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