Cheap Flights from Austin (AUS) to Seattle (LKE)

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Seattle, WA (LKE-Lake Union Seaplane Base)

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $212
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $212
Select flight to Snohomish County - Paine Field PAE. Average driving time to city center is 29 minutes. Flights from $628
PAE
Snohomish County - Paine Field
Average driving time to city center29 min
Flights from $628
Flights from Austin (AUS) to Seattle (LKE)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Lake Union Seaplane Base
Distance
1776 mi

Austin to Seattle Flights

The cheapest times to fly from Austin 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 Austin to Seattle are during the month of . You can find some of the cheapest flights from Austin to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Seattle

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Seattle in 2025. 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 Austin 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 Austin 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.

 

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE) cost?
Grab a cheap one-way flight or cheap return flight from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE)?
is the most affordable month to fly from AUS to LKE. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest AUS to LKE flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE)?
You'll need to hop on a flight with a layover when traveling from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from AUS to LKE?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE)?
Select a flight from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**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.
What airports do you fly into for Seattle from Austin-Bergstrom Intl. Airport (AUS)?
Explore your flight options from Austin-Bergstrom Intl. Airport (AUS) to Seattle - Tacoma Intl. Airport (SEA). This is the only Seattle airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE) last-minute?
Holding off until just before your departure to book a flight from AUS to LKE often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book an AUS to LKE flight and hotel package?
You can save money by booking an AUS to LKE flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your preferred flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Lake Union Seaplane Base Airport (LKE)?
If you booked your AUS to LKE flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.