What are the cheapest airlines to fly from State of Washington to Sydney one-way?

$395 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Qantas Airways and American Airlines, with prices starting from $401 and $428, respectively.

What are the most popular routes from State of Washington to Sydney?

While some choose either Portland - Sydney Kingsford Smith or Spokane - Sydney Kingsford Smith, Seattle/Tacoma Intl - Sydney Kingsford Smith is the most popular route from State of Washington to Sydney.

What are the most popular airlines that fly from State of Washington to Sydney?

American Airlines, Air Canada and Alaska Airlines are the most popular airlines when flying from State of Washington to Sydney.

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

To save on the cost of your flight from State of Washington to Sydney, book at least 10 days before your planned departure. Booking around this time can save you about 9% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $880 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,115.

What is the cheapest month to fly from State of Washington to Sydney?

Our data shows that March tends to be the cheapest month to fly to Sydney from State of Washington. Users have commonly found prices around $1,138 for the month, but tickets can be as low as $839. Due to multiple factors, prepare for potentially higher prices in December.

What airport do you fly into for flights to Sydney from Washington?

For a flight from Washington to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city.

Can I find deals for flights from Washington to Sydney that include hotel bookings?

Yes. In addition to deals on Washington to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Sydney.

Can I find deals for business class flights from Washington to Sydney?

Yes. Cheapflights offers flight deals from Washington to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$392+ Flights from Washington to Sydney

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Cheap flight deals from Washington to Sydney

Round-trip from	$777 (Air Canada)
One-way from	$392 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$1,089

From Washington to Sydney Kingsford Smith

Search Deals

One-way flight from Washington to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($139 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

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Find flight deals from Washington to Sydney

Cheapest flights from Washington to Sydney
Explore the most affordable flight options available from Washington to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sun 9/72:55 pmSEA - SYD

1 stop23h 25mAir Canada

Tue 9/169:20 amSYD - SEA

1 stop20h 46mAir Canada

Deal found 6/11

$777

Wed 8/207:40 pmPDX - SYD

1 stop18h 40mAir Canada

Wed 10/19:20 amSYD - PDX

1 stop17h 01mAir Canada

Deal found 6/11

$777

Wed 8/272:32 pmSEA - SYD

1 stop23h 58mQantas Airways

Tue 9/169:10 amSYD - SEA

1 stop20h 40mQantas Airways

Deal found 6/12

$793

Sat 8/92:56 pmPDX - SYD

1 stop23h 09mQantas Airways

Sat 8/235:45 pmSYD - PDX

1 stop20h 30mQantas Airways

Deal found 6/11

$793

Mon 8/46:09 pmSEA - SYD

1 stop20h 21mMultiple Airlines

Sun 8/179:10 amSYD - SEA

1 stop18h 39mMultiple Airlines

Deal found 6/12

$821

Sat 8/22:30 pmSEA - SYD

1 stop24h 00mAmerican Airlines

Sun 8/245:45 pmSYD - SEA

1 stop20h 48mAmerican Airlines

Deal found 6/12

$835

Thu 8/282:56 pmPDX - SYD

1 stop23h 34mAmerican Airlines

Thu 9/115:45 pmSYD - PDX

2 stops22h 26mAmerican Airlines

Deal found 6/11

$840

Fri 8/19:25 pmSEA - SYD

1 stop40h 10mDelta

Thu 8/149:25 amSYD - SEA

1 stop20h 09mDelta

Deal found 6/12

$843

Mon 8/45:10 amSEA - SYD

1 stop32h 45mUnited Airlines

Sun 8/179:30 amSYD - SEA

2 stops23h 24mUnited Airlines

Deal found 6/12

$845

Sat 8/912:35 pmPDX - SYD

1 stop25h 00mDelta

Sat 8/309:25 amSYD - PDX

1 stop23h 34mDelta

Deal found 6/11

$850

Thu 8/281:01 pmPDX - SYD

2 stops24h 59mUnited Airlines

Sat 9/1310:20 amSYD - PDX

1 stop19h 23mUnited Airlines

Deal found 6/11

$855

Sat 11/12:37 pmGEG - SYD

1 stop22h 48mQantas Airways

Sat 11/811:15 amSYD - GEG

1 stop21h 42mQantas Airways

Deal found 6/9

$857

Best flights from Washington to Sydney
Discover carefully curated flight deals from Washington to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sun 9/72:55 pmSEA - SYD

1 stop23h 25mAir Canada

Tue 9/169:20 amSYD - SEA

1 stop20h 46mAir Canada

Deal found 6/11

$777

Wed 8/272:32 pmSEA - SYD

1 stop23h 58mQantas Airways

Tue 9/169:10 amSYD - SEA

1 stop20h 40mQantas Airways

Deal found 6/12

$793

Mon 8/46:09 pmSEA - SYD

1 stop20h 21mMultiple Airlines

Sun 8/179:10 amSYD - SEA

1 stop18h 39mMultiple Airlines

Deal found 6/12

$821

Sat 8/22:30 pmSEA - SYD

1 stop24h 00mAmerican Airlines

Sun 8/245:45 pmSYD - SEA

1 stop20h 48mAmerican Airlines

Deal found 6/12

$835

Fri 8/19:25 pmSEA - SYD

1 stop40h 10mDelta

Thu 8/149:25 amSYD - SEA

1 stop20h 09mDelta

Deal found 6/12

$843

Mon 8/45:10 amSEA - SYD

1 stop32h 45mUnited Airlines

Sun 8/179:30 amSYD - SEA

2 stops23h 24mUnited Airlines

Deal found 6/12

$845

Wed 8/2710:00 amSEA - SYD

2 stops30h 25mANA

Tue 9/1611:50 amSYD - SEA

2 stops23h 46mANA

Deal found 6/12

$896

Wed 7/210:40 amSEA - SYD

2 stops27h 25mAlaska Airlines

Thu 7/249:10 amSYD - SEA

2 stops22h 15mAlaska Airlines

Deal found 6/10

$917

Thu 10/303:54 pmPDX - SYD

2 stops22h 51mAir New Zealand

Fri 11/71:55 pmSYD - PDX

2 stops23h 29mAir New Zealand

Deal found 6/10

$1,361

Wed 10/291:58 pmPDX - SYD

2 stops38h 12mFiji Airways

Fri 11/72:00 pmSYD - PDX

2 stops27h 01mFiji Airways

Deal found 6/10

$1,384

Fri 7/259:40 pmPDX - SYD

2 stops29h 05mHawaiian Airlines

Fri 8/19:40 pmSYD - PDX

2 stops19h 19mHawaiian Airlines

Deal found 6/10

$1,466

Wed 8/207:40 pmPDX - SYD

1 stop18h 40mAir Canada

Wed 10/19:20 amSYD - PDX

1 stop17h 01mAir Canada

Deal found 6/11

$777

Last-minute flights from Washington to Sydney
Discover last-minute flight deals from Washington to Sydney. Data last updated June 12, 2025 and is based on user searches.

Fri 6/135:14 pmSEA - SYD

1 stop20h 46mUnited Airlines

Sun 6/159:30 amSYD - SEA

2 stops28h 38mUnited Airlines

Deal found 6/10

$973

Sun 6/152:40 pmSEA - SYD

1 stop23h 25mQantas Airways

Tue 6/179:30 pmSYD - SEA

1 stop17h 30mQantas Airways

Deal found 6/11

$814

Wed 6/188:00 amSEA - SYD

1 stop30h 05mAmerican Airlines

Thu 7/105:45 pmSYD - SEA

1 stop20h 56mAmerican Airlines

Deal found 6/12

$858

Wed 6/185:30 amSEA - SYD

2 stops32h 05mDelta

Thu 7/109:25 amSYD - SEA

2 stops31h 34mDelta

Deal found 6/12

$885

Thu 6/195:14 pmSEA - SYD

1 stop20h 46mUnited Airlines

Wed 6/259:30 amSYD - SEA

1 stop21h 31mUnited Airlines

Deal found 6/12

$980

Thu 6/191:10 amSEA - SYD

1 stop40h 35mChina Airlines

Sun 6/2910:10 pmSYD - SEA

1 stop38h 20mChina Airlines

Deal found 6/11

$2,136

Thu 6/199:07 pmSEA - SYD

3 stops51h 43mAir Tahiti Nui

Wed 6/257:25 pmSYD - SEA

3 stops43h 09mAir Tahiti Nui

Deal found 6/11

$2,379

Thu 6/192:40 pmSEA - SYD

2 stops28h 15mQantas Airways

Wed 6/257:25 pmSYD - SEA

3 stops41h 35mQantas Airways

Deal found 6/12

$4,390

Fri 6/202:40 pmSEA - SYD

1 stop23h 25mMultiple Airlines

Sun 6/2910:10 amSYD - SEA

1 stop26h 05mMultiple Airlines

Deal found 6/10

$1,257

Fri 6/2010:22 amSEA - SYD

1 stop40h 23mAlaska Airlines

Sun 6/299:40 pmSYD - SEA

1 stop25h 20mAlaska Airlines

Deal found 6/10

$1,372

Fri 6/2010:22 amSEA - SYD

1 stop40h 23mHawaiian Airlines

Sun 6/299:40 pmSYD - SEA

1 stop25h 20mHawaiian Airlines

Deal found 6/10

$1,377

Fri 6/205:00 amPDX - SYD

2 stops33h 00mUnited Airlines

Fri 6/2710:20 amSYD - PDX

1 stop31h 15mUnited Airlines

Deal found 6/12

$1,475

One-way flights from Washington to Sydney
Search for one-way flight options from Washington to Sydney. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Tue 9/98:00 amSEA - SYD

2 stops37h 40mMultiple Airlines

Deal found 6/12

$392

Mon 8/1810:05 amPDX - SYD

1 stop28h 15mAir Canada

Deal found 6/11

$395

Wed 8/274:59 pmSEA - SYD

1 stop21h 31mQantas Airways

Deal found 6/11

$401

Sun 8/32:30 pmSEA - SYD

1 stop24h 00mAmerican Airlines

Deal found 6/12

$428

Mon 8/1111:35 amPDX - SYD

1 stop26h 20mAmerican Airlines

Deal found 6/10

$429

Tue 8/55:14 pmSEA - SYD

1 stop20h 46mUnited Airlines

Deal found 6/12

$431

Thu 8/71:30 pmSEA - SYD

2 stops24h 05mDelta

Deal found 6/10

$435

Tue 6/177:00 amPDX - SYD

2 stops31h 00mUnited Airlines

Deal found 6/10

$436

Sun 7/272:55 pmSEA - SYD

2 stops26h 45mAir Canada

Deal found 6/9

$479

Wed 7/93:44 pmSEA - SYD

2 stops22h 21mAlaska Airlines

Deal found 6/11

$517

Sat 7/2610:00 amSEA - SYD

2 stops40h 15mANA

Deal found 6/11

$518

Mon 8/113:10 pmPDX - SYD

3 stops27h 35mMultiple Airlines

Deal found 6/10

$562

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 9/7

2:55 pm-7:20 am

1 stop23h 25m

Sydney Kingsford Smith

Tue 9/16

9:20 am-1:06 pm

1 stop20h 46m

$777

PortlandSydney

PDX - SYD

PDXSYD

Portland

Wed 8/20

7:40 pm-7:20 am

1 stop18h 40m

Sydney Kingsford Smith

Wed 10/1

9:20 am-9:21 am

1 stop17h 01m

$777

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 8/27

2:32 pm-7:30 am

1 stop23h 58m

Sydney Kingsford Smith

Tue 9/16

9:10 am-12:50 pm

1 stop20h 40m

$793

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 8/9

2:56 pm-7:05 am

1 stop23h 09m

Sydney Kingsford Smith

Sat 8/23

5:45 pm-9:15 pm

1 stop20h 30m

$793

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 8/4

6:09 pm-7:30 am

1 stop20h 21m

Sydney Kingsford Smith

Sun 8/17

9:10 am-10:49 am

1 stop18h 39m

$821

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sat 8/2

2:30 pm-7:30 am

1 stop24h 00m

Sydney Kingsford Smith

Sun 8/24

5:45 pm-9:33 pm

1 stop20h 48m

$835

PortlandSydney

PDX - SYD

PDXSYD

Portland

Thu 8/28

2:56 pm-7:30 am

1 stop23h 34m

Sydney Kingsford Smith

Thu 9/11

5:45 pm-11:11 pm

2 stops22h 26m

$840

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 8/1

5:10 am-6:55 am

1 stop32h 45m

Sydney Kingsford Smith

Mon 8/11

9:30 am-8:57 pm

2 stops28h 27m

$843

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 8/3

2:24 pm-6:35 am

1 stop23h 11m

Sydney Kingsford Smith

Sat 8/16

9:25 am-12:34 pm

1 stop20h 09m

$850

PortlandSydney

PDX - SYD

PDXSYD

Portland

Sat 8/9

12:35 pm-6:35 am

1 stop25h 00m

Sydney Kingsford Smith

Sat 8/30

9:25 am-3:59 pm

1 stop23h 34m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 54 results

...

Best time to book a flight from Washington to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Washington with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Sydney

What is the cheapest month to book a flight from State of Washington to Sydney?

Currently, March is the cheapest month in which you can book a flight from State of Washington to Sydney (average of $1,041). Flying from State of Washington to Sydney in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to SYD?

When flying from State of Washington to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sydney by month

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with China Airlines, ANA and Fiji Airways from Washington to Sydney by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

China Airlines

8.3

Very good

738 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

China Airlines

8.3

Very good

738 reviews

China Airlines

8.3

Very good

738 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

ANA

8.3

Very good

882 reviews

China Airlines

8.3

Very good

738 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Fiji Airways

8.1

Very good

194 reviews

China Airlines

8.3

Very good

738 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Singapore Airlines

8.1

Very good

1,302 reviews

China Airlines

8.3

Very good

738 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Delta

8.0

Very good

7,946 reviews

China Airlines

8.3

Very good

738 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

What airport do you fly into for flights to Sydney from Washington?
For a flight from Washington to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city.
What are the cheapest airlines to fly from State of Washington to Sydney one-way?
$395 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Qantas Airways and American Airlines, with prices starting from $401 and $428, respectively.
What are the most popular routes from State of Washington to Sydney?
While some choose either Portland - Sydney Kingsford Smith or Spokane - Sydney Kingsford Smith, Seattle/Tacoma Intl - Sydney Kingsford Smith is the most popular route from State of Washington to Sydney.
Can I find deals for flights from Washington to Sydney that include hotel bookings?
Yes. In addition to deals on Washington to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Sydney.
Can I find deals for business class flights from Washington to Sydney?
Yes. Cheapflights offers flight deals from Washington to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from State of Washington to Sydney?
Currently, March is the cheapest month in which you can book a flight from State of Washington to Sydney (average of $1,041). Flying from State of Washington to Sydney in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 8 airlines flying from Washington to Sydney

Airline	Cheapest	Average	Flexibility	On-time
ANA	Cheapest$791	Average$1,139	FlexibilityNo cancel fee	On-time80%
Qantas Airways	Cheapest$807	Average$1,148	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$807	Average$1,199	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$831	Average$1,192	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$833	Average$1,061	FlexibilityNo cancel fee	On-time67%
Hawaiian Airlines	Cheapest$858	Average$1,150	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$859	Average$1,200	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$911	Average$1,360	FlexibilityNo cancel fee	On-time75%

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$392+ Cheap flights from Washington to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington to Sydney with Cheapflights

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Cheap flight deals from Washington to Sydney

Keep the following information in mind while searching for Washington to Sydney flight deals. Data was last updated June 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington to Sydney

Cheapest flights from Washington to SydneyExplore the most affordable flight options available from Washington to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Washington to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Washington to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to Sydney

What is the cheapest month to book a flight from State of Washington to Sydney?

What is the cheapest time of day to fly from WA to SYD?

Find hourly flight availability from Washington to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated June 12, 2025.

Related info for your journey

Find useful and relevant information for your journey from Washington to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Washington?

What are the cheapest airlines to fly from State of Washington to Sydney one-way?

What are the most popular routes from State of Washington to Sydney?

Can I find deals for flights from Washington to Sydney that include hotel bookings?

How can I find direct flights from Washington to Sydney?

Can I find deals for business class flights from Washington to Sydney?

What is the cheapest month to book a flight from State of Washington to Sydney?

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Alternative routes for Washington to Sydney

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Top 8 airlines flying from Washington to Sydney

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Cheapest flights from Washington to Sydney
Explore the most affordable flight options available from Washington to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.