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Cheap flights from Seattle to Australia from $764

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Australia departing on 10/4. 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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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from Seattle to Australia.
23:59 - 12:15SEA-SYD
43h 16m2 stops
16:20 - 22:00SYD-SEA
22h 40m1 stop
$1,505
Find Deal
Wed, 30 Apr - Thu, 15 May
12:33 - 22:10SEA-SYD
40h 37m2 stops
16:20 - 16:50SYD-SEA
17h 30m1 stop
$1,521
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Sat, 26 Apr - Mon, 5 May
23:35 - 09:55SEA-BNE
41h 20m1 stop
11:15 - 19:15BNE-SEA
25h 00m1 stop
$1,576Philippine Airlines
Find Deal
Fri, 12 Sep - Wed, 1 Oct
19:15 - 07:20SEA-SYD
19h 05m1 stop
09:20 - 09:18SYD-SEA
16h 58m1 stop
$1,590Air Canada
Find Deal
Fri, 16 May - Sun, 1 Jun
19:15 - 07:20SEA-SYD
19h 05m1 stop
07:00 - 12:58SYD-SEA
22h 58m2 stops
$1,608Air Canada
Find Deal
Fri, 16 May - Sun, 1 Jun
23:35 - 09:55SEA-BNE
41h 20m1 stop
11:15 - 19:15BNE-SEA
25h 00m1 stop
$1,717Philippine Airlines
Find Deal
Sun, 4 May - Sun, 11 May
13:45 - 19:15SEA-SYD
36h 30m2 stops
20:55 - 18:36SYD-SEA
38h 41m2 stops
$1,744ANA
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Thu, 14 Aug - Tue, 9 Sep
13:45 - 09:25SEA-SYD
26h 40m2 stops
11:50 - 18:36SYD-SEA
23h 46m2 stops
$1,749ANA
Find Deal
Tue, 26 Aug - Tue, 9 Sep
09:45 - 08:15SEA-MEL
29h 30m1 stop
10:55 - 21:11MEL-SEA
27h 16m1 stop
$1,966United Airlines
Find Deal
Sun, 8 Jun - Tue, 24 Jun
05:15 - 08:15SEA-MEL
34h 00m2 stops
10:55 - 22:30MEL-SEA
28h 35m2 stops
$1,973United Airlines
Find Deal
Sun, 8 Jun - Tue, 24 Jun

Alaska Airlines flights from Seattle to Australia

Our best Alaska Airlines deals on Seattle to Australia flight tickets
Alaska Airlines
11 May
SEA20:40Seattle/Tacoma Intl
30h 05m
1 stop
SYD19:45Sydney Kingsford Smith
18 May
SYD21:40Sydney Kingsford Smith
25h 35m
1 stop
SEA06:15Seattle/Tacoma Intl
Alaska Airlines
5 May
SEA08:15Seattle/Tacoma Intl
18h 30m
1 stop
SYD19:45Sydney Kingsford Smith
17 May
SYD21:40Sydney Kingsford Smith
25h 35m
1 stop
SEA06:15Seattle/Tacoma Intl
Alaska Airlines
15 Apr
SEA18:50Seattle/Tacoma Intl
31h 55m
1 stop
SYD19:45Sydney Kingsford Smith
13 May
SYD21:40Sydney Kingsford Smith
25h 56m
2 stops
SEA06:36Seattle/Tacoma Intl

Hawaiian Airlines flights from Seattle to Australia

Our best Hawaiian Airlines deals on Seattle to Australia flight tickets
Hawaiian Airlines
11 May
SEA15:55Seattle/Tacoma Intl
34h 50m
1 stop
SYD19:45Sydney Kingsford Smith
18 May
SYD21:40Sydney Kingsford Smith
25h 35m
1 stop
SEA06:15Seattle/Tacoma Intl
Hawaiian Airlines
1 Aug
SEA08:15Seattle/Tacoma Intl
18h 30m
1 stop
SYD19:45Sydney Kingsford Smith
22 Aug
SYD21:40Sydney Kingsford Smith
27h 45m
1 stop
SEA08:25Seattle/Tacoma Intl
Hawaiian Airlines
11 May
SEA15:55Seattle/Tacoma Intl
34h 50m
1 stop
SYD19:45Sydney Kingsford Smith
18 May
SYD21:40Sydney Kingsford Smith
25h 35m
1 stop
SEA06:15Seattle/Tacoma Intl

See travel insights to Australia from

How to get the cheapest flight ticket from Seattle to Australia

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 Australia?

In general, March is the cheapest month to fly from Seattle to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,641. If you don’t want to visit Australia in March, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $1,644.

What is the cheapest day to depart on your flight to Australia?

On average, the least expensive day to fly to Australia from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $1,533. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Seattle to Australia on a Saturday will generally be more expensive and average around $1,852. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Australia?

According to our data, the cheapest time of day to fly to Australia is at midday. momondo users have found flights departing from Seattle to Australia at midday for as low as $0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the morning, with an average ticket price of $1,797. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Seattle when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,812 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Seattle for as low as $1,660 on momondo.

Cheap Seattle to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Australia

Best price found

$764

Fastest flight time

17h 57m

Direct flights

None

Airports in Australia

5 airports
The best one-way flight to Australia from Seattle in the past 72 hours is $764. The best return flight deal from Seattle to Australia found on momondo in the last 72 hours is $1,505.
The fastest flight from Seattle to Australia takes 17h 57m
There are no direct flights from Seattle to Australia. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Cairns Airport, Seattle/Tacoma Intl Airport - Sydney Kingsford Smith Airport and Seattle/Tacoma Intl Airport - Brisbane Airport.
There are 5 airports near Australia: Melbourne (MEL), Brisbane (BNE), Cairns (CNS), Adelaide (ADL), Sydney Kingsford Smith (SYD)

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Australia?

    Prices for flights from Seattle/Tacoma Intl Airport to Australia were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Australia?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Australia?

    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 Seattle/Tacoma Intl Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The necessary travel and health documents for your Australia 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 Seattle to Australia

Compare and see reviews for airlines that fly from Seattle to Australia with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,196Free cancellationRating
7.4
8,603 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,333Free cancellationRating
7.0
8,986 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Australia?

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 Seattle to Australia for you.

Can I find flights from Seattle to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Australia?

Once all potential Seattle to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.


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