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Cheap flights from Sydney to Seattle from $554

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.
Multiple Airlines Logo
14:15 - 18:45SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
22h 30m2 stops Nadi Los Angeles Los Angeles
Multiple Airlines Logo
20:09 - 06:25SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
40h 16m1 stop Los Angeles Los Angeles
$1,229Multiple Airlines
Wed, 21 Oct - Wed, 28 Oct
British Airways Logo
10:10 - 13:07SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
20h 57m1 stop Los Angeles Los Angeles
British Airways Logo
06:00 - 08:05SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
32h 05m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles
$1,253British Airways
Mon, 5 Oct - Sun, 18 Oct
American Airlines Logo
10:10 - 16:48SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
24h 38m2 stops Los Angeles Los Angeles Dallas/Fort Worth
American Airlines Logo
07:10 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
31h 50m1 stop Los Angeles Los Angeles
$1,281American Airlines
Mon, 19 Oct - Mon, 26 Oct
American Airlines Logo
10:10 - 16:48SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
24h 38m2 stops Los Angeles 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 Los Angeles
$1,281American Airlines
Mon, 19 Oct - Mon, 26 Oct
Delta Logo
10:15 - 23:59SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
31h 44m2 stops Los Angeles Los Angeles Salt Lake City
Delta Logo
05:30 - 07:50SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
32h 20m2 stops Salt Lake City Los Angeles Los Angeles
$1,303Delta
Mon, 5 Oct - Sun, 18 Oct
Delta Logo
10:15 - 12:40SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
20h 25m1 stop Los Angeles Los Angeles
Delta Logo
05:30 - 07:30SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
32h 00m2 stops Salt Lake City Los Angeles Los Angeles
$1,309Delta
Mon, 19 Oct - Mon, 26 Oct
Qantas Airways Logo
18:50 - 22:37SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
21h 47m1 stop Los Angeles Los Angeles
Qantas Airways Logo
16:37 - 08:05SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
21h 28m1 stop Los Angeles Los Angeles
$1,379Qantas Airways
Mon, 5 Oct - Tue, 20 Oct
Qantas Airways Logo
10:10 - 13:07SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
20h 57m1 stop Los Angeles Los Angeles
Qantas Airways Logo
15:10 - 09:00SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
23h 50m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles
$1,392Qantas Airways
Sun, 18 Oct - Sun, 25 Oct
Air Canada Logo
11:20 - 18:22SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
26h 02m1 stop Vancouver Intl
Air Canada Logo
10:10 - 07:20SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
28h 10m1 stop Vancouver Intl
$1,521Air Canada
Fri, 26 Feb - Mon, 5 Apr
Air Canada Logo
08:00 - 14:22SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
24h 22m2 stops Brisbane Vancouver Intl
Air Canada Logo
19:05 - 14:40SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
25h 35m2 stops Vancouver Intl Brisbane
$1,522Air Canada
Tue, 20 Oct - Mon, 26 Oct

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American Airlines flights from Sydney to Seattle

Our best American Airlines deals on Sydney to Seattle flight tickets
American Airlines
19 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
$1,281
American Airlines
27 Jan
SYD11:20Sydney Kingsford Smith
24h 34m
2 stops
SEA16:54Seattle/Tacoma Intl
15 Feb
SEA11:36Seattle/Tacoma Intl
26h 24m
2 stops
SYD09:00Sydney Kingsford Smith
$1,285
American Airlines
5 Oct
SYD10:10Sydney Kingsford Smith
20h 57m
1 stop
SEA13:07Seattle/Tacoma Intl
18 Oct
SEA16:37Seattle/Tacoma Intl
21h 28m
1 stop
SYD08:05Sydney Kingsford Smith
$1,289

Air Canada flights from Sydney to Seattle

Our best Air Canada deals on Sydney to Seattle flight tickets
Air Canada
26 Feb
SYD11:20Sydney Kingsford Smith
26h 02m
1 stop
SEA18:22Seattle/Tacoma Intl
5 Apr
SEA10:10Seattle/Tacoma Intl
28h 10m
1 stop
SYD07:20Sydney Kingsford Smith
$1,521
Air Canada
20 Oct
SYD08:00Sydney Kingsford Smith
24h 22m
2 stops
SEA14:22Seattle/Tacoma Intl
26 Oct
SEA19:05Seattle/Tacoma Intl
25h 35m
2 stops
SYD14:40Sydney Kingsford Smith
$1,522
Air Canada
20 Oct
SYD08:00Sydney Kingsford Smith
24h 22m
2 stops
SEA14:22Seattle/Tacoma Intl
26 Oct
SEA19:05Seattle/Tacoma Intl
25h 35m
2 stops
SYD14:40Sydney Kingsford Smith
$1,531

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

Wed 21/10

14:15-18:45

2 stops22h 30m

Seattle/Tacoma Intl

Wed 28/10

20:09-06:25

1 stop40h 16m

$1,229

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

10:10-13:07

1 stop20h 57m

Seattle/Tacoma Intl

Sun 18/10

06:00-08:05

2 stops32h 05m

$1,253

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 19/10

10:10-16:48

2 stops24h 38m

Seattle/Tacoma Intl

Mon 26/10

07:10-09:00

1 stop31h 50m

$1,281

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 19/10

10:10-16:48

2 stops24h 38m

Seattle/Tacoma Intl

Mon 26/10

14:26-09:00

2 stops24h 34m

$1,281

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

10:15-23:59

2 stops31h 44m

Seattle/Tacoma Intl

Sun 18/10

05:30-07:50

2 stops32h 20m

$1,303

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 19/10

10:15-12:40

1 stop20h 25m

Seattle/Tacoma Intl

Mon 26/10

05:30-07:30

2 stops32h 00m

$1,309
Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

18:50-22:37

1 stop21h 47m

Seattle/Tacoma Intl

Tue 20/10

16:37-08:05

1 stop21h 28m

$1,379

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sun 18/10

10:10-13:07

1 stop20h 57m

Seattle/Tacoma Intl

Sun 25/10

15:10-09:00

2 stops23h 50m

$1,392

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 26/2

11:20-18:22

1 stop26h 02m

Seattle/Tacoma Intl

Mon 5/4

10:10-07:20

1 stop28h 10m

$1,521

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 20/10

08:00-14:22

2 stops24h 22m

Seattle/Tacoma Intl

Mon 26/10

19:05-14:40

2 stops25h 35m

$1,522

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $1,179 to $1,840.
The lowest price recently found on this route was $1,229.

What is the cheapest month to fly to Seattle?

The month of March is, on average, the cheapest month to fly to Seattle from Sydney, with most prices found around $1,385. If you are unable to visit Seattle during the month of March, then departing from Sydney during the month August is also very affordable. Most momondo users find prices during this month for around $1,390.

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 $1,532 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 $1,429 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 22% 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

$554

Fastest flight time

22h 30m

Direct flights

None
The best one-way flight to Seattle from Sydney in the past 72 hours is $554. The best return flight deal from Sydney to Seattle found on momondo in the last 72 hours is $1,229.
The fastest flight from Sydney to Seattle takes 22h 30m
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 22h 30m.

  • 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
Air CanadaPriceFrom $1,110Free cancellationRating
7.1
11,592 reviews
Search Air Canada flights
Hawaiian AirlinesPriceFrom $1,125Free cancellationRating
7.8
2,814 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $1,163Free cancellationRating
7.8
8,557 reviews
Search Delta flights
Qantas AirwaysPriceFrom $1,177Free cancellationRating
7.5
1,090 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,180Free cancellationRating
7.4
10,173 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,223Free cancellationRating
7.1
12,042 reviews
Search American Airlines 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.

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