Cheap flights from Australia to Seattle from $729
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Seattle departing on 16/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Australia 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?
The month of February is, on average, the cheapest month to fly to Seattle from Australia, with most prices found around $1,538. If you are unable to visit Seattle during the month of February, then departing from Australia during the month March is also very affordable. Most momondo users find prices during this month for around $1,580.
What is the cheapest day to depart on your flight to Seattle?
The cheapest day to depart from Australia to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $1,579. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Seattle for around $1,815.
What is the cheapest time of day to depart on your flight to Seattle?
According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Australia to Seattle at midday for as low as $1,505. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the afternoon when prices are around $1,837.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Australia when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,737 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Australia for as low as $1,449 on momondo.
What is the cheapest airline that flies from Australia to Seattle/Tacoma Intl?
Qantas Airways, United Airlines, and Delta are the most popular carriers operating from Australia to Seattle/Tacoma Intl
Which airlines fly to Seattle?
United Airlines, Air Canada and Singapore Airlines are the top three most popular airlines that fly to Seattle from Australia according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 16 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
Cheap Australia to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Australia to Seattle
When did momondo last update prices for flights from Australia to Seattle/Tacoma Intl Airport?
Prices for flights from Australia to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Australia to Seattle/Tacoma Intl Airport?
As of June 2025, there are 16 operators available to choose from for flights from Australia to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Australia to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Australia to Seattle
Compare and see reviews for airlines that fly from Australia to Seattle with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $969 | Free cancellation | Rating 7.4 8,791 reviews | |||
| PriceFrom $1,155 | Free cancellation | Rating 7.5 407 reviews | |||
| PriceFrom $1,240 | Free cancellation | Rating 8.2 440 reviews | |||
| PriceFrom $1,243 | Free cancellation | Rating 7.1 9,542 reviews | |||
| PriceFrom $1,266 | Free cancellation | Rating 7.2 872 reviews | |||
| PriceFrom $1,271 | Free cancellation | Rating 7.5 854 reviews | |||
| PriceFrom $1,323 | Free cancellation | Rating 8.4 1,204 reviews | |||
| PriceFrom $1,350 | Free cancellation | Rating 8.0 483 reviews | |||
| PriceFrom $1,361 | Free cancellation | Rating 7.8 2,496 reviews | |||
| PriceFrom $1,391 | Free cancellation | Rating 8.0 7,951 reviews |
Travelling 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 Australia to Seattle?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Seattle for you.
Can I find flights from Australia to Seattle with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seattle from Australia with this policy.
How can momondo help me find flights from Australia to Seattle?
momondo helps you find the best flight between Australia and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Australia to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Australia to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.