What airlines fly to Sydney?

Air Canada, United Airlines and ANA are the top three most popular airlines that fly to Sydney from State of Washington according to our data. Air Canada is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington to Sydney Kingsford Smith?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Washington to Sydney Kingsford Smith

How long does it take to fly to Sydney?

Flight times from State of Washington to Sydney vary, but if you’re flying out of Seattle and flying into Sydney (one of the most popular routes), then the duration is 20h 56m on average. Another popular route from State of Washington to Sydney is flying from Pasco to Sydney, which will take roughly 21h 25m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Washington to Sydney Kingsford Smith Airport?

Prices for flights from Washington to Sydney Kingsford Smith Airport are updated daily.

How many operators does momondo search for flights from Washington to Sydney Kingsford Smith Airport?

As of August 2026, there are 9 operators available to choose from for flights from Washington to Sydney Kingsford Smith Airport.

How old do you have to be to fly from Washington to Sydney Kingsford Smith 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 layovers 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 Washington to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport 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 Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$532 Cheap Flights from Washington to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Sydney

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 pm - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

11:20 am - 6:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 02m1 stop Vancouver Intl

$938Air Canada

Tue, Nov 3 - Tue, Nov 17

3:00 pm - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

9:20 am - 2:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 02m1 stop Vancouver Intl

$938Air Canada

Tue, Sep 8 - Mon, Sep 14

11:06 am - 12:35 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 29m2 stops Los Angeles Los Angeles Nadi

2:00 pm - 6:26 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 26m2 stops Nadi Los Angeles Los Angeles

$939Multiple Airlines

Sun, Oct 25 - Wed, Nov 4

8:41 am - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 54m1 stop Vancouver Intl

11:20 am - 9:27 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 07m1 stop Vancouver Intl

$949Multiple Airlines

Sun, Nov 8 - Wed, Nov 18

4:30 pm - 9:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 55m1 stop Tokyo Haneda

8:55 pm - 11:26 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

43h 31m2 stops Tokyo Haneda San Francisco

$968ANA

Mon, Aug 24 - Sun, Aug 30

4:30 pm - 7:10 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

33h 40m1 stop Tokyo Haneda

8:55 pm - 2:25 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

34h 30m1 stop Tokyo Haneda

$1,025ANA

Mon, Aug 24 - Sun, Aug 30

3:15 pm - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

4:00 pm - 2:37 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 37m1 stop Vancouver Intl

$1,035Air New Zealand

Tue, Nov 24 - Thu, Jan 14

3:15 pm - 9:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 20m1 stop Vancouver Intl

4:00 pm - 6:22 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 22m1 stop Vancouver Intl

$1,035Air New Zealand

Mon, Nov 23 - Thu, Jan 14

10:55 am - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 00m1 stop San Francisco

10:20 am - 2:24 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 04m1 stop San Francisco

$1,040United Airlines

Mon, Aug 31 - Mon, Sep 7

11:03 am - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 57m2 stops Denver Intl Los Angeles Los Angeles

10:20 am - 8:43 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

27h 23m1 stop San Francisco

$1,045United Airlines

Mon, Aug 31 - Mon, Sep 7

Cheap last minute flights

Enter your travel dates to find the best prices.

5:50 am - 7:20 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 30m1 stop Vancouver Intl

1:00 pm - 10:42 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

50h 42m2 stops Brisbane Vancouver Intl

$1,049Air Canada

Wed, Aug 12 - Sat, Aug 29

5:02 pm - 7:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 03m1 stop Los Angeles Los Angeles

5:50 pm - 11:29 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 39m1 stop Los Angeles Los Angeles

$1,077Qantas Airways

Wed, Aug 12 - Sat, Aug 29

9:05 am - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 50m1 stop San Francisco

9:30 am - 9:31 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 01m2 stops Los Angeles Los Angeles Denver Intl

$1,090United Airlines

Wed, Aug 12 - Sat, Aug 29

12:44 pm - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 16m2 stops Denver Intl Los Angeles Los Angeles

10:20 am - 5:42 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 22m2 stops San Francisco Denver Intl

$1,094United Airlines

Wed, Aug 12 - Sat, Aug 29

2:34 pm - 7:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 26m2 stops Denver Intl Los Angeles Los Angeles

9:30 am - 5:42 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 12m2 stops Los Angeles Los Angeles Denver Intl

$1,094United Airlines

Wed, Aug 12 - Sat, Aug 29

3:16 pm - 7:05 amGEG Spokane-SYD Sydney Kingsford Smith

22h 49m2 stops Portland Los Angeles Los Angeles

9:10 am - 10:38 pmSYD Sydney Kingsford Smith-GEG Spokane

30h 28m1 stop Los Angeles Los Angeles

$1,112Multiple Airlines

Sat, Aug 15 - Sat, Aug 22

6:20 am - 7:05 amGEG Spokane-SYD Sydney Kingsford Smith

31h 45m1 stop Los Angeles Los Angeles

9:10 am - 10:38 pmSYD Sydney Kingsford Smith-GEG Spokane

30h 28m1 stop Los Angeles Los Angeles

$1,120Multiple Airlines

Sat, Aug 15 - Sat, Aug 22

11:51 am - 7:05 amGEG Spokane-SYD Sydney Kingsford Smith

26h 14m1 stop Los Angeles Los Angeles

5:50 pm - 10:15 pmSYD Sydney Kingsford Smith-GEG Spokane

21h 25m1 stop Los Angeles Los Angeles

$1,201Multiple Airlines

Wed, Aug 12 - Fri, Aug 14

1:16 pm - 8:45 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 29m2 stops San Francisco Auckland Intl

11:55 am - 6:32 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 37m2 stops Auckland Intl Vancouver Intl

$1,708Air New Zealand

Tue, Aug 11 - Thu, Aug 13

5:10 pm - 10:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 20m2 stops Los Angeles Los Angeles Melbourne

5:50 pm - 8:01 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 11m1 stop Los Angeles Los Angeles

$26,678Qantas Airways

Thu, Aug 13 - Sat, Aug 15

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ANA flights from State of Washington to Sydney

Our best ANA deals on State of Washington to Sydney flight tickets

ANA

Aug 24

SEA4:30 pmSeattle/Tacoma Intl

23h 55m

1 stop

SYD9:25 amSydney Kingsford Smith

Aug 30

SYD8:55 pmSydney Kingsford Smith

43h 31m

2 stops

SEA11:26 pmSeattle/Tacoma Intl

$968

ANA

Aug 24

SEA4:30 pmSeattle/Tacoma Intl

33h 40m

1 stop

SYD7:10 pmSydney Kingsford Smith

Aug 30

SYD8:55 pmSydney Kingsford Smith

34h 30m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

$1,025

ANA

Aug 11

SEA4:30 pmSeattle/Tacoma Intl

33h 40m

1 stop

SYD7:10 pmSydney Kingsford Smith

Aug 18

SYD11:45 amSydney Kingsford Smith

23h 47m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

$1,028

Air New Zealand flights from State of Washington to Sydney

Our best Air New Zealand deals on State of Washington to Sydney flight tickets

Air New Zealand

Aug 30

SEA3:00 pmSeattle/Tacoma Intl

23h 20m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 13

SYD9:20 amSydney Kingsford Smith

26h 12m

1 stop

SEA6:32 pmSeattle/Tacoma Intl

$999

Air New Zealand

Oct 4

PDX7:45 pmPortland

18h 35m

1 stop

SYD8:20 amSydney Kingsford Smith

Oct 13

SYD10:20 amSydney Kingsford Smith

22h 31m

1 stop

PDX2:51 pmPortland

$1,178

Air New Zealand

Sep 9

PDX7:45 pmPortland

18h 35m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 14

SYD9:20 amSydney Kingsford Smith

17h 11m

1 stop

PDX9:31 amPortland

$1,181

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Tue 11/3

7:05 pm-9:35 am

1 stop19h 30m

Sydney Kingsford Smith

Tue 11/17

11:20 am-6:22 pm

1 stop26h 02m

$938

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Tue 9/8

3:00 pm-7:20 am

1 stop23h 20m

Sydney Kingsford Smith

Mon 9/14

9:20 am-2:22 pm

1 stop22h 02m

$938

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Sun 10/25

11:06 am-12:35 pm

2 stops31h 29m

Sydney Kingsford Smith

Wed 11/4

2:00 pm-6:26 pm

2 stops23h 26m

$939

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Sun 11/8

8:41 am-9:35 am

1 stop29h 54m

Sydney Kingsford Smith

Wed 11/18

11:20 am-9:27 am

1 stop17h 07m

$949

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 8/24

4:30 pm-9:25 am

1 stop23h 55m

Sydney Kingsford Smith

Sun 8/30

8:55 pm-11:26 pm

2 stops43h 31m

$968

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 8/24

4:30 pm-7:10 pm

1 stop33h 40m

Sydney Kingsford Smith

Sun 8/30

8:55 pm-2:25 pm

1 stop34h 30m

$1,025

Quickest round-trip

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Tue 11/24

3:15 pm-9:35 am

1 stop23h 20m

Sydney Kingsford Smith

Thu 1/14

4:00 pm-2:37 pm

1 stop17h 37m

$1,035

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 11/23

3:15 pm-9:35 am

1 stop23h 20m

Sydney Kingsford Smith

Thu 1/14

4:00 pm-6:22 pm

1 stop21h 22m

$1,035

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 8/31

10:55 am-6:55 am

1 stop27h 00m

Sydney Kingsford Smith

Mon 9/7

10:20 am-2:24 pm

1 stop21h 04m

$1,040

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 8/31

11:03 am-7:00 am

2 stops26h 57m

Sydney Kingsford Smith

Mon 9/7

10:20 am-8:43 pm

1 stop27h 23m

$1,045

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Sydney

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

Prices

Airlines

Other information

What is the cheapest month to fly to Sydney?

In general, August is the cheapest month to fly from State of Washington to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $796. If you are unable to visit Sydney during the month of August, then departing from State of Washington during the month February is also very affordable. Most momondo users find prices during this month for around $842.

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

You are more likely to see cheaper flights to Sydney from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,108 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from State of Washington for as low as $927 on momondo.

Can stopping save me money on State of Washington to Sydney flights?

You could potentially save up to 35% on your flight if you consider stops on a State of Washington to Sydney flight.

Cheap State of Washington to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Sydney

Fastest flight time	17h 50m
Direct flights	None

The fastest flight from State of Washington to Sydney takes 17h 50m

There are no direct flights from State of Washington to Sydney. There are no popular flight routes from State of Washington to Sydney.

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Frequently asked questions about flying from Washington to Sydney

When did momondo last update prices for flights from Washington to Sydney Kingsford Smith Airport?
Prices for flights from Washington to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights from Washington to Sydney Kingsford Smith Airport?
As of August 2026, there are 9 operators available to choose from for flights from Washington to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Washington to Sydney Kingsford Smith 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 layovers 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 Washington to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport 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 Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Sydney

Compare and see reviews for airlines that fly from State of Washington to Sydney with momondo

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $583	Free Cancellation	Rating 8.3 1,294 reviews	Search ANA flights
United Airlines	PriceFrom $598	Free Cancellation	Rating 7.4 10,101 reviews	Search United Airlines flights
Air Canada	PriceFrom $778	Free Cancellation	Rating 7.1 11,460 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $803	Free Cancellation	Rating 7.5 1,081 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $804	Free Cancellation	Rating 7.1 11,904 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $812	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $827	Free Cancellation	Rating 7.9 12,794 reviews	Search Alaska Airlines flights
Delta	PriceFrom $842	Free Cancellation	Rating 7.8 8,506 reviews	Search Delta flights
Air New Zealand	PriceFrom $947	Free Cancellation	Rating 8.0 659 reviews	Search Air New Zealand flights

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

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

Yes. momondo enables you to select and highlight flights to Sydney from Washington with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Washington.

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Price alerts on flights to Sydney from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington to Sydney from $532

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Sydney departing on 8/19. 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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ANA flights from State of Washington to Sydney

Our best ANA deals on State of Washington to Sydney flight tickets

Air New Zealand flights from State of Washington to Sydney

Our best Air New Zealand deals on State of Washington to Sydney flight tickets

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How to get the cheapest flight ticket from State of Washington to Sydney

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on State of Washington to Sydney flights?

What is the cheapest airline that flies from Washington to Sydney Kingsford Smith?

What airlines fly to Sydney?

How long does it take to fly to Sydney?

Cheap State of Washington to Sydney flight deals and tips

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Frequently asked questions about flying from Washington to Sydney

Best airlines flying from State of Washington to Sydney

Compare and see reviews for airlines that fly from State of Washington to Sydney with momondo

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Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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