Are direct flights from Milwaukee to Seattle always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers. However, connecting flights can sometimes be more economical, depending on the route and demand. It's often beneficial to compare both direct and connecting options to find what best suits your priorities.

Can flexible travel dates help on Milwaukee to Seattle flights?

Yes, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during less popular travel periods often results in lower fares. Adjusting your departure or return by a few days may unlock more affordable options.

What extra costs should I check before booking Milwaukee to Seattle flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Milwaukee

To Seattle

Cheap Flights from Milwaukee to Seattle

Browse current best options from Milwaukee. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Milwaukee

RatePunk searches hundreds of travel sites at once for deals on flights to Seattle

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Milwaukee to Seattle

Explore current cheapest deals departing from Milwaukee to Seattle

2026-09-08 – 2026-09-22
MKE - Seattle
67% AI deal score
$282
$325
Round trip
2026-08-19 – 2026-08-26
MKE - Seattle
82% AI deal score
$553
$327
Round trip
2026-08-26 – 2026-09-01
MKE - Seattle
82% AI deal score
$550
$327
Round trip
2026-08-29 – 2026-09-02
MKE - Seattle
82% AI deal score
$570
$327
Round trip
2026-08-29 – 2026-09-05
MKE - Seattle
81% AI deal score
$536
$327
Round trip
2026-09-01 – 2026-09-05
MKE - Seattle
66% AI deal score
$332
$327
Round trip
2026-09-02 – 2026-09-05
MKE - Seattle
66% AI deal score
$332
$327
Round trip
2026-09-09 – 2026-09-16
MKE - Seattle
65% AI deal score
$314
$327
Round trip
2026-09-16 – 2026-09-19
MKE - Seattle
66% AI deal score
$333
$327
Round trip
2026-09-16 – 2026-09-26
MKE - Seattle
49% AI deal score
$289
$327
Round trip

Milwaukee to Seattle: Overview

Insights for flights from Milwaukee to Seattle

For cheap flights from Milwaukee to Seattle, prices typically range from $327–$656, with a median of $417. Right now, fares are above the typical level, and about 5% of recent fares were classified as a good price. New deals appear almost daily, suggesting frequent opportunities to find better prices.

When is the cheapest time to fly from Milwaukee to Seattle? The most affordable month to fly is typically January, with a median fare of $239. Other inexpensive options include May, with a median of $317, and July, where the median fare is $322.

A typical journey from Milwaukee to Seattle takes about 4h 28m, including connections. This route is classified as medium-haul, covering a distance of 2719 kilometers. Since a meaningful share of itineraries are non-stop, the remaining flights typically involve 2 connections.

For flights from Milwaukee to Seattle, a meaningful share are non-stop, while the rest connect once. Specifically, 48.5% of recent fares were for direct flights from Milwaukee to Seattle over a 90-day period. For itineraries that do include connections, the median number of stopovers is 2.

How much is a round trip from Milwaukee to Seattle

Regular price: $431 - $582

Prices for flights from Milwaukee to Seattle are currently below the regular range.

The regular price range for flights from Milwaukee to Seattle is between $431 and $582. The current lowest deal is $327 via Kayak for travel from Aug 19-Aug 26.

now $327

Low $431

High $582

The cheapest time to fly from Milwaukee to Seattle

The cheapest month to fly from MKE to SEA is May, with a median price of $317. The most expensive month is June, with a median price of $792. Prices are generally lower from May to December.

May

Cheapest

Flights from $317

June

Most Expensive

Flights from $792

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Milwaukee to Seattle

Alaska Airlines, Inc.

Last-minute flights going from Milwaukee to Seattle

Sat, Aug 1

⌛ Last-Minute

MKE - Seattle

Milwaukee (MKE) - Seattle (SEA)

$877

$555

One-way

Wed, Aug 5

⌛ Last-Minute

MKE - Seattle

Milwaukee (MKE) - Seattle (SEA)

Alaska Airlines, Inc.

$558

$455

One-way

Thu, Aug 6

⌛ Last-Minute

MKE - Seattle

Milwaukee (MKE) - Seattle (SEA)

United Airlines

$611

$458

One-way

Sun, Aug 9

⌛ Last-Minute

MKE - Seattle

Milwaukee (MKE) - Seattle (SEA)

Alaska Airlines, Inc.

$566

$477

One-way

Mon, Aug 10

⌛ Last-Minute

MKE - Seattle

Milwaukee (MKE) - Seattle (SEA)

$625

$448

One-way

Tue, Aug 11

⌛ Last-Minute

MKE - Seattle

Milwaukee (MKE) - Seattle (SEA)

Alaska Airlines, Inc.

$454

$385

One-way

Biggest price drops on these dates for flights from Milwaukee to Seattle

3 nights

Aug 1 - Aug 4

$877 → $555

37%

3 nights

Aug 29 - Sep 1

$571 → $327

43%

3 nights

Aug 17 - Aug 20

$596 → $367

38%

7 nights

Aug 19 - Aug 26

$554 → $327

41%

Popular Airports to fly from Milwaukee to Seattle

Milwaukee - Seattle route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares from MKE to SEA are above the typical level, with a median price of $417.

📅 Best time to fly

Fly in May for the best prices.

Historically, May is the cheapest month to fly from Milwaukee to Seattle, with a median price of $317.

⏱️ Flight duration

Direct flights take 4h 28m.

The median flight time for direct routes from MKE to SEA is 4 hours and 28 minutes.

✈️ Airlines & availability

Direct flights available from Alaska Airlines, Inc.

Direct flights from Milwaukee to Seattle are available from Alaska Airlines, Inc.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. provides direct flight options for the MKE to SEA route.

🎯 Booking tip

Deals are frequent for this route.

Deals for flights from MKE to SEA are frequent, appearing within a 30-day window.

Milwaukee main airports to depart from

General Mitchell International (MKE)

Cheapest

General Mitchell International (MKE) is a good option for flights from Milwaukee to Seattle.

📍 ~10 km from Milwaukee (reachable by car)

💸 Flights from ~$212

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a primary arrival choice for flights from Milwaukee to Seattle.

📍 ~18 km from city center (reachable by car)

💸 Flights from ~$212

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett (PAE) can be a useful alternative for travelers located in North Seattle or Snohomish County.

📍 ~45 km from Seattle (reachable by car)

💸 Flights from ~$484

Business & First Class Flight Deals to Seattle

75% AI deal score

$1,240

$1,001

Save $239

Frequently Asked Questions About Flights to Seattle

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you see various options and identify potential savings. Often, booking in advance or looking at flights during off-peak seasons may lead to better deals.

Booking flights in advance often provides more competitive prices, especially for popular routes. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings can sometimes offer different pricing compared to weekends.

Comparing nearby airports can sometimes uncover different flight options or prices. While it may add to your ground travel, the potential savings on airfare could make it worthwhile. Always consider the total cost and travel time when evaluating this option.

Related routes

More routes from Milwaukee

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Flights to Seattle from other cities

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Milwaukee to Seattle: Overview

Insights for flights from Milwaukee to Seattle

How much is a round trip from Milwaukee to Seattle

Regular price: $431 - $582

Prices for flights from Milwaukee to Seattle are currently below the regular range.

The regular price range for flights from Milwaukee to Seattle is between $431 and $582. The current lowest deal is $327 via Kayak for travel from Aug 19-Aug 26.

now $327

Low $431

High $582

The cheapest time to fly from Milwaukee to Seattle

The cheapest month to fly from MKE to SEA is May, with a median price of $317. The most expensive month is June, with a median price of $792. Prices are generally lower from May to December.

May

Cheapest

Flights from $317

June

Most Expensive

Flights from $792

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec