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Cheap flights from Seattle to Australia from $425

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 6/11. 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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0 bags

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Find the cheapest flights from Seattle to Australia

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Australia.
6:25 pm - 2:40 pmSEA-SYD
27h 15m1 stop
4:20 pm - 6:15 amSYD-SEA
30h 55m1 stop
Thu, May 22 - Mon, Jun 9
6:25 pm - 2:40 pmSEA-SYD
27h 15m1 stop
4:20 pm - 11:33 pmSYD-SEA
24h 13m1 stop
Thu, May 22 - Thu, Jun 5
6:25 pm - 2:40 pmSEA-SYD
27h 15m1 stop
4:20 pm - 6:15 amSYD-SEA
30h 55m1 stop
Wed, May 21 - Mon, Jun 9
7:15 pm - 7:20 amSEA-SYD
19h 05m1 stop
9:20 am - 9:18 amSYD-SEA
16h 58m1 stop
$1,015Air Canada
Find Deal
Fri, May 16 - Sun, Jun 1
7:15 pm - 7:20 amSEA-SYD
19h 05m1 stop
7:00 am - 9:18 amSYD-SEA
19h 18m2 stops
$1,029Air Canada
Find Deal
Fri, May 16 - Sun, Jun 1
2:50 pm - 6:55 amSEA-SYD
23h 05m1 stop
10:20 am - 1:22 pmSYD-SEA
20h 02m1 stop
$1,106United Airlines
Find Deal
Mon, May 26 - Tue, Jun 10
8:58 am - 7:00 amSEA-SYD
29h 02m2 stops
9:30 am - 10:30 pmSYD-SEA
30h 00m2 stops
$1,110United Airlines
Find Deal
Tue, Jun 3 - Sun, Jun 22
8:15 am - 7:45 pmSEA-SYD
18h 30m1 stop
9:40 pm - 6:15 amSYD-SEA
25h 35m1 stop
$1,115Hawaiian Airlines
Find Deal
Sat, May 10 - Sat, May 17
3:55 pm - 7:45 pmSEA-SYD
34h 50m1 stop
9:40 pm - 6:15 amSYD-SEA
25h 35m1 stop
$1,120Hawaiian Airlines
Find Deal
Sun, May 11 - Sun, May 18
7:10 am - 6:35 amSEA-SYD
30h 25m2 stops
9:25 am - 10:25 pmSYD-SEA
30h 00m2 stops
$1,368Delta
Find Deal
Fri, May 16 - Sun, Jun 1

Air Canada flights from Seattle to Australia

Our best Air Canada deals on Seattle to Australia flight tickets
Air Canada
May 16
SEA7:15 pmSeattle/Tacoma Intl
19h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
Jun 1
SYD9:20 amSydney Kingsford Smith
16h 58m
1 stop
SEA9:18 amSeattle/Tacoma Intl
Air Canada
May 16
SEA7:15 pmSeattle/Tacoma Intl
19h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
Jun 1
SYD7:00 amSydney Kingsford Smith
19h 18m
2 stops
SEA9:18 amSeattle/Tacoma Intl
Air Canada
May 5
SEA7:15 pmSeattle/Tacoma Intl
19h 05m
1 stop
SYD7:20 amSydney Kingsford Smith
Jun 3
SYD9:20 amSydney Kingsford Smith
21h 53m
1 stop
SEA2:13 pmSeattle/Tacoma Intl

ANA flights from Seattle to Australia

Our best ANA deals on Seattle to Australia flight tickets
ANA
Aug 24
SEA1:45 pmSeattle/Tacoma Intl
26h 40m
2 stops
SYD9:25 amSydney Kingsford Smith
Sep 12
SYD11:50 amSydney Kingsford Smith
23h 46m
2 stops
SEA6:36 pmSeattle/Tacoma Intl
ANA
Aug 14
SEA1:45 pmSeattle/Tacoma Intl
36h 30m
2 stops
SYD7:15 pmSydney Kingsford Smith
Sep 9
SYD8:55 pmSydney Kingsford Smith
38h 41m
2 stops
SEA6:36 pmSeattle/Tacoma Intl
ANA
Aug 26
SEA1:45 pmSeattle/Tacoma Intl
26h 40m
2 stops
SYD9:25 amSydney Kingsford Smith
Sep 9
SYD11:50 amSydney Kingsford Smith
23h 46m
2 stops
SEA6:36 pmSeattle/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?

The month of March is, on average, the cheapest month to fly to Australia from Seattle, with most prices found around $1,035. If you aren’t able to travel during the month of March, then book flights to Australia from Seattle during February instead. Flights to Australia in February, while not as cheap as those in March, still average around $1,037.

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

The cheapest day to depart from Seattle to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,078. On the other hand, Thursday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,156.

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

Flying to Australia from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,078 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,152 on average. Flights to Australia from Seattle in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,143 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 $1,047 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

$425

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 $425. The best round-trip flight deal from Seattle to Australia found on momondo in the last 72 hours is $944.
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 - Melbourne Airport, Seattle/Tacoma Intl Airport - Sydney Kingsford Smith Airport and Seattle/Tacoma Intl Airport - Melbourne Avalon Airport.
There are 5 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Brisbane (BNE), Coolangatta Gold Coast (OOL), 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 are refreshed on a daily basis.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


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 $759Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
American AirlinesPriceFrom $807Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $834Free CancellationRating
7.0
8,981 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $854Free CancellationRating
8.0
9,798 reviews
Search Alaska Airlines flights
DeltaPriceFrom $855Free CancellationRating
8.0
7,895 reviews
Search Delta flights
ANAPriceFrom $861Free CancellationRating
8.3
829 reviews
Search ANA flights
Qantas AirwaysPriceFrom $866Free CancellationRating
7.5
811 reviews
Search Qantas Airways flights
Hawaiian AirlinesPriceFrom $879Free CancellationRating
7.9
2,336 reviews
Search Hawaiian Airlines flights
Singapore AirlinesPriceFrom $1,199Free CancellationRating
8.1
1,285 reviews
Search Singapore Airlines flights
Air New ZealandPriceFrom $1,227Free CancellationRating
7.9
456 reviews
Search Air New Zealand flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Australia. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Seattle to Australia on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Seattle and Australia 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 Seattle to Australia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from Seattle and alert you when they change.


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