Cheap Flights from Waukesha (UES) to Seattle (SEA)

Popular airlines from Waukesha, WI (UES-Waukesha County) to Seattle

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Frequently asked questions

How much does a flight from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA) cost?
Snag a cheap one-way flight or cheap return flight from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from UES to SEA is , when demand is low. Off-peak months are usually when airlines offer lower prices between these airports.
Which airlines fly direct from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA)?
You can't fly nonstop to Seattle - Tacoma Intl. Airport (SEA) from Waukesha, WI (UES-Waukesha County). However, you can easily travel to Seattle without any layovers by departing from General Mitchell Intl. Airport (MKE).
What is the cheapest airline that flies from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest UES to SEA flight.
How many flights per day from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from UES to SEA?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA)?
Select a flight from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your plane ticket from UES to SEA shortly before your getaway is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a UES to SEA flight and hotel package?
Compared with arranging hotels and flights separately, booking a UES to SEA flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Just secure your flights and select from our wide range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Waukesha County Airport (UES) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your UES to SEA flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Origin airport
Waukesha County
Destination airport
Seattle - Tacoma Intl.
Distance
1670 mi

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Waukesha to Seattle Flights

The cheapest times to fly from Waukesha to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Waukesha to Seattle are during the month of . You can find some of the cheapest flights from Waukesha to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Waukesha to Seattle

Sunday is one of the best days to book for cheap flights from Waukesha to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Waukesha to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Waukesha to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Waukesha to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Waukesha to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Waukesha to Seattle Flights

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