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Cheap Flights from Launceston (LST) to Seattle (SEA)

View AU$1,075 flight on Tue, 10 Nov 2026Opens in a new window

Popular airlines from Launceston, TAS (LST) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Launceston (LST) to Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Thu, 15 Oct - Thu, 29 Oct
LST
Launceston
SEA
Seattle
AU$1,722 Return, found 1 day ago
AU$1,722
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 15 Oct from Launceston to Seattle, returning Thu, 29 Oct, priced at AU$1,722 found 1 day ago
Qantas Airways
Thu, 15 Oct - Thu, 29 Oct
LST
Launceston
SEA
Seattle
AU$1,739 Return, found 1 day ago
AU$1,739
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 15 Oct from Launceston to Seattle, returning Thu, 29 Oct, priced at AU$1,739 found 1 day ago
Qantas Airways
Thu, 15 Oct - Thu, 29 Oct
LST
Launceston
SEA
Seattle
AU$1,762 Return, found 1 day ago
AU$1,762
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 15 Oct from Launceston to Seattle, returning Thu, 29 Oct, priced at AU$1,762 found 1 day ago
Qantas Airways
Thu, 15 Oct - Thu, 29 Oct
LST
Launceston
SEA
Seattle
AU$1,808 Return, found 1 day ago
AU$1,808
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 15 Oct from Launceston to Seattle, returning Thu, 29 Oct, priced at AU$1,808 found 1 day ago
Qantas Airways
Thu, 15 Oct - Thu, 29 Oct
LST
Launceston
SEA
Seattle
AU$1,849 Return, found 1 day ago
AU$1,849
Return
found 1 day ago
Select Qantas Airways flight, departing Thu, 15 Oct from Launceston to Seattle, returning Thu, 29 Oct, priced at AU$1,849 found 1 day ago
Jetstar
Tue, 10 Nov - Mon, 7 Dec
LST
Launceston
SEA
Seattle
AU$1,898 Return, found 1 day ago
AU$1,898
Return
found 1 day ago
Select Jetstar flight, departing Tue, 10 Nov from Launceston to Seattle, returning Mon, 7 Dec, priced at AU$1,898 found 1 day ago
Jetstar
Tue, 10 Nov - Mon, 7 Dec
LST
Launceston
SEA
Seattle
AU$1,908 Return, found 1 day ago
AU$1,908
Return
found 1 day ago
Select Jetstar flight, departing Tue, 10 Nov from Launceston to Seattle, returning Mon, 7 Dec, priced at AU$1,908 found 1 day ago
Virgin Australia
Tue, 10 Nov - Mon, 7 Dec
LST
Launceston
SEA
Seattle
AU$1,923 Return, found 1 day ago
AU$1,923
Return
found 1 day ago
Select Virgin Australia flight, departing Tue, 10 Nov from Launceston to Seattle, returning Mon, 7 Dec, priced at AU$1,923 found 1 day ago
United
Tue, 10 Nov - Mon, 7 Dec
LST
Launceston
SEA
Seattle
AU$1,926 Return, found 1 day ago
AU$1,926
Return
found 1 day ago
Select United flight, departing Tue, 10 Nov from Launceston to Seattle, returning Mon, 7 Dec, priced at AU$1,926 found 1 day ago
Qatar Airways
Sun, 20 Sept - Wed, 7 Oct
LST
Launceston
SEA
Seattle
AU$2,365 Return, found 1 day ago
AU$2,365
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 20 Sept from Launceston to Seattle, returning Wed, 7 Oct, priced at AU$2,365 found 1 day ago

Frequently asked questions

How much does a flight from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find one-way and return flights from LST to SEA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LST to SEA ticket fares go up or down.
What is the cheapest month to fly from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from LST to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter LST to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Qantas Airways is one of the cheapest airlines offering connecting return flights from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with prices starting from around AU$1907 for flights that can be booked for departure within the next year. These flights typically include a layover in Tullamarine (MEL). Prices are per adult in economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 8 connecting flights per day from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Tullamarine (MEL), Kingsford Smith Intl. (SYD), and Brisbane, QLD (BNE).
What is the earliest flight from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 6:10 AM local time. This service is offered by Virgin Australia and United, and it's a seasonal service active in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Launceston (LST) to Seattle (SEA-Seattle - Tacoma Intl.) on a Tuesday, with around 13 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Qantas Airways, Virgin Australia, and Jetstar.
What are the most popular departure times for flights from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Virgin Australia and Qantas Airways, offer flights during this window. Many travellers prefer this time as it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Flights with two or more stops typically take around 23 hours 30 minutes, covering a distance of approximately 13,291 kilometres. Keep in mind that actual flight times can vary due to factors like layovers, routing, weather, and wind patterns, so it's always a good idea to allow for some extra travel time.
Can you fly business or first class from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for LST to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Launceston, TAS (LST)?
If you're planning to travel to Seattle from LST, you typically fly into Seattle - Tacoma Intl. (SEA) which offers international flights and connections. Some flights may connect through major hubs like Tullamarine (MEL), Kingsford Smith Intl. (SYD) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Launceston, TAS (LST) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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 ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Launceston
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Cathay Pacific, Qantas Airways, Qatar Airways, United, Virgin Australia
Return price
AU$1,721
Distance
13213 km

Book with confidence

Your quick guide to flights from Launceston to Seattle

Pick up great flights from Launceston to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Launceston to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Launceston to Seattle that take around hours.

Find cheap flights from Launceston to Seattle

From the great flight deals with prices currently ranging from AU$1,722 to AU$2,365, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Launceston to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in October.

Reasons to book your flight from Launceston to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Launceston to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Launceston to Seattle

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*Available to Expedia members.