Cheap flights from Milwaukee to Seattle from $91
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Seattle departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Milwaukee to Seattle
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Delta flights from Milwaukee to Seattle
Our best Delta deals on Milwaukee to Seattle flight tickets
Alaska Airlines flights from Milwaukee to Seattle
Our best Alaska Airlines deals on Milwaukee to Seattle flight tickets
See travel insights to Seattle from
How to get the cheapest flight ticket from Milwaukee to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
In general, February is the cheapest month to fly from Milwaukee to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $297. If you don’t want to visit Seattle in February, then you should wait until January to fly from Milwaukee, when ticket prices are also cheap, with an average price of $311.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Milwaukee is on a Thursday. momondo users have found tickets for Thursday departures for as low as $428. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Milwaukee because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $523.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Milwaukee in the evening is the least expensive time of day to depart. momondo users have found prices as low as $269 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $493. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Milwaukee-Mitchell to Seattle/Tacoma Intl flight route?
Fly from Milwaukee-Mitchell to Seattle/Tacoma Intl for the best Milwaukee-Mitchell - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Milwaukee when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $367 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Milwaukee for as low as $344 on momondo.
What cabin class options are available on Milwaukee-Mitchell to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Milwaukee-Mitchell to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Milwaukee to Seattle flights?
No. A direct flight is the cheapest option for a flight between Milwaukee to Seattle.
How have Milwaukee to Seattle flight prices changed over time?
As of June 2025, prices for Milwaukee to Seattle flights are approximately 22% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Milwaukee-Mitchell to Seattle/Tacoma Intl?
American Airlines, Delta, and Spirit Airlines are the most popular carriers operating from Milwaukee-Mitchell to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Seattle from Milwaukee according to our data. Alaska Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Milwaukee to Seattle on average per day?
6 flights are operational daily from Milwaukee to Seattle as of June 2025. The most popular departure time for this route is 6:00AM, with 59% of flights per day taking off at noon.
How many flights depart from Milwaukee to Seattle on average per week?
The number of flights available between Milwaukee and Seattle is 42 per week as of June 2025. The most frequent departure day is Thu, with 21% of weekly flights leaving on this day.
When to book flights from Milwaukee to Seattle
Cheap Milwaukee to Seattle (MKE to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Seattle
How far is Milwaukee-Mitchell to Seattle/Tacoma Intl by plane?
Milwaukee-Mitchell and Seattle/Tacoma Intl are 1686.6 mi apart from one another. In terms of flight time, this usually takes a little over 4h 17m.
When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport is 8 as of June 2025.
How old do you have to be to fly from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Milwaukee-Mitchell Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Milwaukee to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Milwaukee to Seattle is Boeing 737 (35.50% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (17.17%), Boeing 737 MAX 9 (15.92%), and Boeing 737-900 Passenger/BBJ3 (winglets) (13.46%).
What is the most popular airline from Milwaukee to Seattle?
Based on momondo bookings for flights between Milwaukee and Seattle, the leading airline is Alaska Airlines, making up 60% of the total bookings. Other popular airlines include American Airlines with 14%, Delta with 12%, and Hawaiian Airlines with 6%.
Best airlines flying from Milwaukee to Seattle
Compare and see reviews for airlines that fly from Milwaukee to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $138 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $152 | Free Cancellation | Rating 6.9 345 reviews | |||
| PriceFrom $178 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $230 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $238 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $263 | Free Cancellation | Rating 8.0 10,000 reviews |
Alaska Airlines Flights From Milwaukee to Seattle
Alaska Airlines is one of the most popular airlines flying from Milwaukee to Seattle, operating 9 flights/week on average for this route. A good Alaska Airlines flight deal for Milwaukee to Seattle starts from $263 round-trip, up to an average price of $400. Our users have rated Alaska Airlines at 8.0/10.
Hawaiian Airlines Flights From Milwaukee to Seattle
Another popular option for Milwaukee to Seattle flights is Hawaiian Airlines (7.8/10, 2,494 ratings). Hawaiian Airlines flies from Milwaukee to Seattle around 10 times per week, with deals starting from $257 round-trip and rising to an average price of around $429.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Milwaukee to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Milwaukee to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Milwaukee to Seattle with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seattle from Milwaukee with this policy.
How can momondo help me find flights from Milwaukee to Seattle?
Once you have performed a search for Milwaukee to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Milwaukee to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Milwaukee to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.