Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Seattle from $772

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
10:15 - 18:36SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
26h 21m2 stops Los Angeles Salt Lake City
Delta Logo
17:45 - 07:50SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
20h 05m1 stop Los Angeles
$1,313Delta
Mon, 5 Oct - Sun, 18 Oct
Delta Logo
10:15 - 16:55SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
24h 40m2 stops Los Angeles Salt Lake City
Delta Logo
13:30 - 07:30SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
24h 00m2 stops Salt Lake City Los Angeles
$1,313Delta
Tue, 13 Oct - Wed, 28 Oct
Multiple Airlines Logo
10:10 - 12:16SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
20h 06m1 stop Los Angeles
Multiple Airlines Logo
19:08 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
19h 52m1 stop Los Angeles
$1,345Multiple Airlines
Mon, 12 Oct - Tue, 27 Oct
Multiple Airlines Logo
10:10 - 12:16SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
20h 06m1 stop Los Angeles
Multiple Airlines Logo
17:59 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
20h 01m1 stop Los Angeles
$1,345Multiple Airlines
Thu, 22 Oct - Wed, 11 Nov
Qantas Airways Logo
10:10 - 12:16SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
20h 06m1 stop Los Angeles
Qantas Airways Logo
19:08 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
19h 52m1 stop Los Angeles
$1,359Qantas Airways
Thu, 22 Oct - Wed, 28 Oct
American Airlines Logo
10:10 - 16:48SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
24h 38m2 stops Los Angeles Dallas/Fort Worth
American Airlines Logo
14:26 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
24h 34m2 stops Dallas/Fort Worth Los Angeles
$1,364American Airlines
Tue, 20 Oct - Mon, 26 Oct
American Airlines Logo
10:10 - 16:07SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
23h 57m1 stop Los Angeles
American Airlines Logo
16:24 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
21h 36m1 stop Los Angeles
$1,364American Airlines
Tue, 20 Oct - Tue, 10 Nov
United Airlines Logo
10:30 - 15:33SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
23h 03m1 stop Los Angeles
United Airlines Logo
23:59 - 07:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
36h 01m1 stop Houston George Bush Intcntl
$1,370United Airlines
Tue, 20 Oct - Sat, 14 Nov
United Airlines Logo
11:20 - 14:17SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
20h 57m1 stop San Francisco
United Airlines Logo
23:59 - 07:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
36h 01m1 stop Houston George Bush Intcntl
$1,370United Airlines
Thu, 22 Oct - Sat, 14 Nov
Qantas Airways Logo
11:10 - 13:07SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
19h 57m1 stop Los Angeles
Qantas Airways Logo
13:35 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
24h 25m1 stop Los Angeles
$1,434Qantas Airways
Tue, 27 Oct - Fri, 6 Nov

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Sydney to Seattle

Our best American Airlines deals on Sydney to Seattle flight tickets
American Airlines
20 Oct
SYD10:10Sydney Kingsford Smith
23h 57m
1 stop
SEA16:07Seattle/Tacoma Intl
10 Nov
SEA16:24Seattle/Tacoma Intl
21h 36m
1 stop
SYD09:00Sydney Kingsford Smith
$1,364
American Airlines
20 Oct
SYD10:10Sydney Kingsford Smith
24h 38m
2 stops
SEA16:48Seattle/Tacoma Intl
26 Oct
SEA07:10Seattle/Tacoma Intl
31h 50m
1 stop
SYD09:00Sydney Kingsford Smith
$1,367
American Airlines
8 Oct
SYD10:10Sydney Kingsford Smith
23h 54m
2 stops
SEA16:04Seattle/Tacoma Intl
21 Oct
SEA11:44Seattle/Tacoma Intl
26h 21m
2 stops
SYD08:05Sydney Kingsford Smith
$1,371

United Airlines flights from Sydney to Seattle

Our best United Airlines deals on Sydney to Seattle flight tickets
United Airlines
22 Oct
SYD11:20Sydney Kingsford Smith
20h 57m
1 stop
SEA14:17Seattle/Tacoma Intl
14 Nov
SEA23:59Seattle/Tacoma Intl
36h 01m
1 stop
SYD07:00Sydney Kingsford Smith
$1,370
United Airlines
26 Oct
SYD09:20Sydney Kingsford Smith
27h 57m
1 stop
SEA19:17Seattle/Tacoma Intl
7 Nov
SEA23:59Seattle/Tacoma Intl
36h 01m
1 stop
SYD07:00Sydney Kingsford Smith
$1,380
United Airlines
10 Oct
SYD10:30Sydney Kingsford Smith
19h 05m
1 stop
SEA11:35Seattle/Tacoma Intl
17 Oct
SEA23:13Seattle/Tacoma Intl
38h 47m
2 stops
SYD08:00Sydney Kingsford Smith
$1,446

momondo Fare Finder

 
Use the filters below to find and compare flights from Sydney to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

10:15-18:36

2 stops26h 21m

Seattle/Tacoma Intl

Sun 18/10

17:45-07:50

1 stop20h 05m

$1,313

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 13/10

10:15-16:55

2 stops24h 40m

Seattle/Tacoma Intl

Wed 28/10

13:30-07:30

2 stops24h 00m

$1,313
Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 12/10

10:10-12:16

1 stop20h 06m

Seattle/Tacoma Intl

Tue 27/10

19:08-09:00

1 stop19h 52m

$1,345

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 22/10

10:10-12:16

1 stop20h 06m

Seattle/Tacoma Intl

Wed 11/11

17:59-09:00

1 stop20h 01m

$1,345

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 22/10

10:10-12:16

1 stop20h 06m

Seattle/Tacoma Intl

Wed 28/10

19:08-09:00

1 stop19h 52m

$1,359

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 20/10

10:10-16:48

2 stops24h 38m

Seattle/Tacoma Intl

Mon 26/10

14:26-09:00

2 stops24h 34m

$1,364

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 20/10

10:10-16:07

1 stop23h 57m

Seattle/Tacoma Intl

Tue 10/11

16:24-09:00

1 stop21h 36m

$1,364

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 20/10

10:30-15:33

1 stop23h 03m

Seattle/Tacoma Intl

Sat 14/11

23:59-07:00

1 stop36h 01m

$1,370

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 22/10

11:20-14:17

1 stop20h 57m

Seattle/Tacoma Intl

Sat 14/11

23:59-07:00

1 stop36h 01m

$1,370

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 27/10

11:10-13:07

1 stop19h 57m

Seattle/Tacoma Intl

Fri 6/11

13:35-09:00

1 stop24h 25m

$1,434

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Sydney 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 typical price of a round-trip flight between Sydney and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,191 to $2,045.
The lowest price recently found on this route was $1,313.

What is the cheapest month to fly to Seattle?

The month of August is, on average, the cheapest month to fly to Seattle from Sydney, with most prices found around $1,404. If you are unable to visit Seattle during the month of August, then departing from Sydney during the month March is also very affordable. Most momondo users find prices during this month for around $1,411.

How far in advance should I book a flight from Sydney to Seattle?

You are more likely to see cheaper flights to Seattle from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,557 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Sydney for as low as $1,443 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 13% on your flight if you consider stops on a Sydney to Seattle flight.

How have Sydney to Seattle flight prices changed over time?

As of September 2026, prices for Sydney to Seattle flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Seattle (SYD to SEA) flight deals and tips

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

Best price found

$772

Fastest flight time

17h 36m

Direct flights

None
The best one-way flight to Seattle from Sydney in the past 72 hours is $772. The best return flight deal from Sydney to Seattle found on momondo in the last 72 hours is $1,313.
The fastest flight from Sydney to Seattle takes 17h 36m
There are no direct flights from Sydney to Seattle. There are no popular flight routes from Sydney to Seattle.
Search flight deals

Frequently asked questions about flying from Sydney to Seattle

  • How far is Sydney Kingsford Smith to Seattle/Tacoma Intl by plane?

    There are 12462.2 km between Sydney Kingsford Smith and Seattle/Tacoma Intl. A reasonable flight in good conditions will take 17h 36m.

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

    Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport 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.

  • What is the most popular airline from Sydney to Seattle?

Best airlines flying from Sydney to Seattle

Compare and see reviews for airlines that fly from Sydney to Seattle with momondo
Airline
Rating
Free cancellation
Price
Hawaiian AirlinesPriceFrom $1,147Free cancellationRating
7.8
2,812 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $1,159Free cancellationRating
7.1
11,633 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,191Free cancellationRating
7.4
10,213 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,235Free cancellationRating
7.1
12,061 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,254Free cancellationRating
7.5
1,098 reviews
Search Qantas Airways flights
DeltaPriceFrom $1,348Free cancellationRating
7.8
8,568 reviews
Search Delta flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Seattle. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Seattle from Sydney which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to Seattle.

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

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

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 15/10
Thu 22/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Washington

Spokane Airport