What airlines fly to Sydney?

Air Canada, United Airlines and Delta 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 40% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 8 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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 Spokane and flying into Sydney (one of the most popular routes), then the duration is 18h 38m on average. Another popular route from State of Washington to Sydney is flying from Seattle to Sydney, which will take roughly 20h 57m. Keep in mind that layovers or delays could extend your travel time.

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

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

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 November 2026, there are 8 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.

$482 Cheap Flights from Washington to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

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9:30 pm - 9:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 20m1 stop Manila Ninoy Aquino Intl

11:30 am - 7:45 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 15m1 stop Manila Ninoy Aquino Intl

$947Philippine Airlines

Mon, Mar 8 - Thu, Mar 18

9:30 pm - 9:50 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 20m1 stop Manila Ninoy Aquino Intl

11:30 am - 7:45 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 15m1 stop Manila Ninoy Aquino Intl

$947Philippine Airlines

Mon, Mar 8 - Wed, Mar 17

2:55 pm - 8:45 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 50m2 stops Vancouver Intl Auckland Intl

11:55 am - 6:30 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 35m2 stops Auckland Intl Vancouver Intl

$1,092Air New Zealand

Sat, May 1 - Mon, May 17

1:00 pm - 6:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 25m1 stop Los Angeles

11:15 am - 1:56 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 41m2 stops Los Angeles Portland

$1,102Alaska Airlines

Fri, Feb 26 - Mon, Mar 15

8:00 am - 6:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 30m1 stop Los Angeles

10:20 am - 4:27 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 07m1 stop Los Angeles

$1,112Alaska Airlines

Sat, May 1 - Fri, May 14

1:18 pm - 8:35 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 17m2 stops San Francisco Auckland Intl

9:55 am - 4:39 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 44m2 stops Auckland Intl San Francisco

$1,172Air New Zealand

Tue, Jan 26 - Tue, Feb 9

3:40 pm - 6:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 45m1 stop Los Angeles

9:10 am - 2:27 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 17m1 stop Los Angeles

$1,178Qantas Airways

Wed, Mar 24 - Wed, Apr 21

6:10 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 50m1 stop Los Angeles

11:20 am - 2:27 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 07m1 stop Los Angeles

$1,178Qantas Airways

Mon, Mar 15 - Wed, Mar 24

12:37 pm - 6:55 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 18m1 stop Dallas/Fort Worth

11:10 am - 3:50 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 40m1 stop Los Angeles

$1,194American Airlines

Wed, Dec 2 - Wed, Dec 9

1:38 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 22m1 stop Los Angeles

2:05 pm - 4:56 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 51m1 stop Dallas/Fort Worth

$1,241American Airlines

Mon, Nov 23 - Tue, Dec 8

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 7:45 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

17h 45m1 stop Honolulu

9:40 pm - 6:08 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

27h 28m1 stop Honolulu

$1,165Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

7:00 am - 7:45 pmSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

17h 45m1 stop Honolulu

9:40 pm - 8:20 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 40m1 stop Honolulu

$1,185Multiple Airlines

Wed, Nov 11 - Tue, Nov 24

3:59 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 01m1 stop Los Angeles

11:10 am - 12:20 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

32h 10m1 stop Los Angeles

$1,223Qantas Airways

Wed, Nov 11 - Mon, Nov 30

1:35 pm - 6:25 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 50m1 stop Los Angeles

11:10 am - 3:50 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

23h 40m1 stop Los Angeles

$1,244American Airlines

Wed, Nov 11 - Wed, Dec 9

4:24 pm - 9:00 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 36m1 stop Los Angeles

11:15 am - 1:08 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 53m1 stop Los Angeles

$1,244American Airlines

Wed, Nov 11 - Mon, Nov 30

12:20 pm - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 45m1 stop Los Angeles

11:20 am - 9:21 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 01m2 stops Los Angeles Denver Intl

$1,248United Airlines

Wed, Nov 11 - Wed, Dec 9

12:20 pm - 9:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 45m1 stop Los Angeles

9:15 am - 7:17 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 02m1 stop Houston George Bush Intcntl

$1,248United Airlines

Tue, Nov 10 - Wed, Nov 25

7:55 pm - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 35m2 stops Salt Lake City Los Angeles

10:40 am - 8:19 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 39m1 stop Los Angeles

$1,252Delta

Sat, Nov 14 - Wed, Dec 16

7:55 pm - 8:30 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 35m2 stops Salt Lake City Los Angeles

10:40 am - 12:05 amSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

32h 25m2 stops Los Angeles Salt Lake City

$1,252Delta

Sat, Nov 14 - Wed, Dec 16

1:35 pm - 11:05 amSEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 30m2 stops Los Angeles Brisbane

11:10 am - 1:08 pmSYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 58m1 stop Los Angeles

$1,393Qantas Airways

Wed, Nov 11 - Mon, Nov 30

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Philippine Airlines flights from State of Washington to Sydney

Our best Philippine Airlines deals on State of Washington to Sydney flight tickets

Philippine Airlines

Mar 8

SEA9:30 pmSeattle/Tacoma Intl

41h 20m

1 stop

SYD9:50 amSydney Kingsford Smith

Mar 18

SYD11:30 amSydney Kingsford Smith

26h 15m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

$947

Philippine Airlines

Mar 8

SEA9:30 pmSeattle/Tacoma Intl

41h 20m

1 stop

SYD9:50 amSydney Kingsford Smith

Mar 17

SYD11:30 amSydney Kingsford Smith

26h 15m

1 stop

SEA7:45 pmSeattle/Tacoma Intl

$966

Philippine Airlines

Feb 21

SEA9:30 pmSeattle/Tacoma Intl

41h 20m

1 stop

SYD9:50 amSydney Kingsford Smith

Mar 11

SYD11:30 amSydney Kingsford Smith

26h 15m

1 stop

SEA6:45 pmSeattle/Tacoma Intl

$970

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

May 1

SEA2:55 pmSeattle/Tacoma Intl

24h 50m

2 stops

SYD8:45 amSydney Kingsford Smith

May 17

SYD11:55 amSydney Kingsford Smith

23h 35m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

$1,092

Air New Zealand

Feb 9

GEG12:23 pmSpokane

29h 27m

2 stops

SYD12:50 pmSydney Kingsford Smith

Feb 16

SYD7:30 amSydney Kingsford Smith

47h 11m

2 stops

GEG11:41 amSpokane

$1,229

Air New Zealand

Mar 13

GEG7:00 amSpokane

34h 50m

2 stops

SYD12:50 pmSydney Kingsford Smith

Mar 21

SYD11:50 amSydney Kingsford Smith

27h 09m

2 stops

GEG8:59 pmSpokane

$1,315

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 3/8

9:30 pm-9:50 am

1 stop41h 20m

Sydney Kingsford Smith

Thu 3/18

11:30 am-7:45 pm

1 stop26h 15m

$947

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 3/8

9:30 pm-9:50 am

1 stop41h 20m

Sydney Kingsford Smith

Wed 3/17

11:30 am-7:45 pm

1 stop26h 15m

$947

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Sat 5/1

2:55 pm-8:45 am

2 stops24h 50m

Sydney Kingsford Smith

Mon 5/17

11:55 am-6:30 pm

2 stops23h 35m

$1,092

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Fri 2/26

1:00 pm-6:25 am

1 stop22h 25m

Sydney Kingsford Smith

Mon 3/15

11:15 am-1:56 pm

2 stops20h 41m

$1,102

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Sat 5/1

8:00 am-6:30 am

1 stop29h 30m

Sydney Kingsford Smith

Fri 5/14

10:20 am-4:27 pm

1 stop23h 07m

$1,112

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Tue 1/26

1:18 pm-8:35 am

2 stops24h 17m

Sydney Kingsford Smith

Tue 2/9

9:55 am-4:39 pm

2 stops25h 44m

$1,172

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Wed 3/24

3:40 pm-6:25 am

1 stop20h 45m

Sydney Kingsford Smith

Wed 4/21

9:10 am-2:27 pm

1 stop22h 17m

$1,178

Quickest round-trip

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 3/15

6:10 pm-9:00 am

1 stop20h 50m

Sydney Kingsford Smith

Wed 3/24

11:20 am-2:27 pm

1 stop21h 07m

$1,178

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Wed 12/2

12:37 pm-6:55 am

1 stop23h 18m

Sydney Kingsford Smith

Wed 12/9

11:10 am-3:50 pm

1 stop23h 40m

$1,194

SeattleSydney

SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith

SEASYD

Seattle/Tacoma Intl

Mon 11/23

1:38 pm-9:00 am

1 stop24h 22m

Sydney Kingsford Smith

Tue 12/8

2:05 pm-4:56 pm

1 stop21h 51m

$1,241

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, September 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 $1,044. If you are unable to visit Sydney during the month of September, then departing from State of Washington during the month October is also very affordable. Most momondo users find prices during this month for around $1,090.

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 $1,207 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 $1,000 on momondo.

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

You could potentially save up to 11% 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

Best Price Found	$482
Fastest flight time	18h 45m
Direct flights	None

The best one-way flight to Sydney from State of Washington in the past 72 hours is $482. The best round-trip flight deal from State of Washington to Sydney found on momondo in the last 72 hours is $947.

The fastest flight from State of Washington to Sydney takes 18h 45m

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

Search flight deals

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 November 2026, there are 8 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
United Airlines	PriceFrom $598	Free Cancellation	Rating 7.3 10,476 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $819	Free Cancellation	Rating 7.5 1,123 reviews	Search Qantas Airways flights
Delta	PriceFrom $835	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
Air Canada	PriceFrom $938	Free Cancellation	Rating 7.1 11,880 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $949	Free Cancellation	Rating 8.0 683 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $975	Free Cancellation	Rating 7.0 12,226 reviews	Search American Airlines flights
ANA	PriceFrom $1,008	Free Cancellation	Rating 8.3 1,340 reviews	Search ANA flights
Alaska Airlines	PriceFrom $1,159	Free Cancellation	Rating 7.9 13,158 reviews	Search Alaska Airlines flights

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

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

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.

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

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 $482

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 2/28. 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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Philippine Airlines flights from State of Washington to Sydney

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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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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.

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