What are the cheapest airlines to fly from Seattle to New South Wales one-way?

The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $401. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Seattle to New South Wales for a low price.

What are the most popular routes from Seattle to New South Wales?

The most popular flight routes from Seattle to New South Wales are Seattle/Tacoma Intl - Sydney Kingsford Smith, Seattle/Tacoma Intl - Coolangatta Gold Coast and Seattle/Tacoma Intl - Dubbo.

What are the most popular airlines that fly from Seattle to New South Wales?

American Airlines, Air Canada and Alaska Airlines are the most popular airlines when flying from Seattle to New South Wales.

How far in advance should I book a flight from Seattle to New South Wales?

To save up to 9% on this flight, we recommend booking at least 10 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to New South Wales from $880 1-2 weeks out and tickets from $1,115 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to New South Wales?

The best pricing can be found in the month of March. Prices to New South Wales from Seattle average $1,138. You can even find prices in March for less than $1,138, as users have found deals to New South Wales from as low as $839. The month of December appears to be one of the more expensive times to travel to New South Wales from Seattle. Flying in the targeted month can save you up to 30%.

What airport do you fly from for flights from Seattle to New South Wales?

For a flight from Seattle to New South Wales, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

Can I find deals for flights from Seattle to New South Wales that include hotel bookings?

Yes. In addition to deals on Seattle to New South Wales flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to New South Wales?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to New South Wales.

Can I find deals for business class flights from Seattle to New South Wales?

Yes. Cheapflights offers flight deals from Seattle to New South Wales 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 Seattle to New South Wales

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Cheap flight deals from Seattle to New South Wales

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

From Seattle/Tacoma Intl to New South Wales

Search Deals

One-way flight from Seattle/Tacoma Intl to New South Wales

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

Search Deals

Find flight deals from Seattle to New South Wales

Cheapest flights from Seattle to New South Wales
Explore the most affordable flight options available from Seattle to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

dom. 9/72:55 pmSEA - SYD

1 stop23h 25mAir Canada

mar. 9/169:20 amSYD - SEA

1 stop20h 46mAir Canada

Deal found 6/11

$777

mié. 8/272:32 pmSEA - SYD

1 stop23h 58mQantas Airways

mar. 9/169:10 amSYD - SEA

1 stop20h 40mQantas Airways

Deal found 6/12

$793

lun. 8/46:09 pmSEA - SYD

1 stop20h 21mMultiple Airlines

dom. 8/179:10 amSYD - SEA

1 stop18h 39mMultiple Airlines

Deal found 6/12

$821

sáb. 8/22:30 pmSEA - SYD

1 stop24h 00mAmerican Airlines

dom. 8/245:45 pmSYD - SEA

1 stop20h 48mAmerican Airlines

Deal found 6/12

$835

vie. 8/19:25 pmSEA - SYD

1 stop40h 10mDelta

jue. 8/149:25 amSYD - SEA

1 stop20h 09mDelta

Deal found 6/12

$843

lun. 8/45:10 amSEA - SYD

1 stop32h 45mUnited Airlines

dom. 8/179:30 amSYD - SEA

2 stops23h 24mUnited Airlines

Deal found 6/12

$845

mié. 8/2710:00 amSEA - SYD

2 stops30h 25mANA

mar. 9/1611:50 amSYD - SEA

2 stops23h 46mANA

Deal found 6/12

$896

jue. 12/45:40 pmSEA - SYD

1 stop20h 20mAlaska Airlines

lun. 3/211:15 amSYD - SEA

1 stop20h 41mAlaska Airlines

Deal found 6/10

$912

mié. 10/811:35 pmSEA - SYD

1 stop39h 25mPhilippine Airlines

dom. 10/1211:10 amSYD - SEA

1 stop26h 05mPhilippine Airlines

Deal found 6/11

$987

mié. 7/306:09 pmSEA - OOL

2 stops23h 31mQantas Airways

mar. 8/123:35 pmOOL - SEA

2 stops23h 25mQantas Airways

Deal found 6/10

$1,089

sáb. 7/266:00 amSEA - OOL

2 stops47h 05mMultiple Airlines

sáb. 8/26:35 pmOOL - SEA

2 stops43h 25mMultiple Airlines

Deal found 6/11

$1,183

lun. 7/288:57 amSEA - OOL

3 stops34h 18mUnited Airlines

mar. 8/126:00 amOOL - SEA

2 stops24h 25mUnited Airlines

Deal found 6/10

$1,202

Best flights from Seattle to New South Wales
Discover carefully curated flight deals from Seattle to New South Wales that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

dom. 9/72:55 pmSEA - SYD

1 stop23h 25mAir Canada

mar. 9/169:20 amSYD - SEA

1 stop20h 46mAir Canada

Deal found 6/11

$777

mié. 8/272:32 pmSEA - SYD

1 stop23h 58mQantas Airways

mar. 9/169:10 amSYD - SEA

1 stop20h 40mQantas Airways

Deal found 6/12

$793

lun. 8/46:09 pmSEA - SYD

1 stop20h 21mMultiple Airlines

dom. 8/179:10 amSYD - SEA

1 stop18h 39mMultiple Airlines

Deal found 6/12

$821

sáb. 8/22:30 pmSEA - SYD

1 stop24h 00mAmerican Airlines

dom. 8/245:45 pmSYD - SEA

1 stop20h 48mAmerican Airlines

Deal found 6/12

$835

vie. 8/19:25 pmSEA - SYD

1 stop40h 10mDelta

jue. 8/149:25 amSYD - SEA

1 stop20h 09mDelta

Deal found 6/12

$843

lun. 8/45:10 amSEA - SYD

1 stop32h 45mUnited Airlines

dom. 8/179:30 amSYD - SEA

2 stops23h 24mUnited Airlines

Deal found 6/12

$845

mié. 8/2710:00 amSEA - SYD

2 stops30h 25mANA

mar. 9/1611:50 amSYD - SEA

2 stops23h 46mANA

Deal found 6/12

$896

mié. 7/210:40 amSEA - SYD

2 stops27h 25mAlaska Airlines

jue. 7/249:10 amSYD - SEA

2 stops22h 15mAlaska Airlines

Deal found 6/10

$917

dom. 7/276:45 amSEA - OOL

2 stops35h 00mAir New Zealand

vie. 8/156:45 pmOOL - SEA

2 stops44h 31mAir New Zealand

Deal found 6/10

$1,307

vie. 7/259:18 pmSEA - OOL

3 stops43h 22mHawaiian Airlines

vie. 8/13:20 pmOOL - SEA

2 stops23h 20mHawaiian Airlines

Deal found 6/10

$1,449

mié. 7/306:09 pmSEA - OOL

2 stops23h 31mQantas Airways

mar. 8/123:35 pmOOL - SEA

2 stops23h 25mQantas Airways

Deal found 6/10

$1,089

sáb. 7/266:00 amSEA - OOL

2 stops47h 05mMultiple Airlines

sáb. 8/26:35 pmOOL - SEA

2 stops43h 25mMultiple Airlines

Deal found 6/11

$1,183

Last-minute flights from Seattle to New South Wales
Discover last-minute flight deals from Seattle to New South Wales. Data last updated junio 12, 2025 and is based on user searches.

vie. 6/135:14 pmSEA - SYD

1 stop20h 46mUnited Airlines

dom. 6/159:30 amSYD - SEA

2 stops28h 38mUnited Airlines

Deal found 6/10

$973

dom. 6/152:40 pmSEA - SYD

1 stop23h 25mQantas Airways

mar. 6/179:30 pmSYD - SEA

1 stop17h 30mQantas Airways

Deal found 6/11

$814

mié. 6/188:00 amSEA - SYD

1 stop30h 05mAmerican Airlines

jue. 7/105:45 pmSYD - SEA

1 stop20h 56mAmerican Airlines

Deal found 6/12

$858

mié. 6/185:30 amSEA - SYD

2 stops32h 05mDelta

jue. 7/109:25 amSYD - SEA

2 stops31h 34mDelta

Deal found 6/12

$885

mié. 6/1811:35 pmSEA - SYD

1 stop39h 25mPhilippine Airlines

dom. 6/2910:10 amSYD - SEA

1 stop26h 05mPhilippine Airlines

Deal found 6/12

$5,277

jue. 6/195:14 pmSEA - SYD

1 stop20h 46mUnited Airlines

mié. 6/259:30 amSYD - SEA

1 stop21h 31mUnited Airlines

Deal found 6/12

$980

jue. 6/191:10 amSEA - SYD

1 stop40h 35mChina Airlines

dom. 6/2910:10 pmSYD - SEA

1 stop38h 20mChina Airlines

Deal found 6/11

$2,136

jue. 6/199:07 pmSEA - SYD

3 stops51h 43mAir Tahiti Nui

mié. 6/257:25 pmSYD - SEA

3 stops43h 09mAir Tahiti Nui

Deal found 6/11

$2,379

jue. 6/192:40 pmSEA - SYD

2 stops28h 15mQantas Airways

mié. 6/257:25 pmSYD - SEA

3 stops41h 35mQantas Airways

Deal found 6/12

$4,390

jue. 6/1912:05 amSEA - SYD

2 stops41h 45mCathay Pacific

dom. 6/2910:10 amSYD - SEA

2 stops49h 55mCathay Pacific

Deal found 6/12

$10,648

vie. 6/202:40 pmSEA - SYD

1 stop23h 25mMultiple Airlines

dom. 6/2910:10 amSYD - SEA

1 stop26h 05mMultiple Airlines

Deal found 6/10

$1,257

vie. 6/2010:22 amSEA - SYD

1 stop40h 23mAlaska Airlines

dom. 6/299:40 pmSYD - SEA

1 stop25h 20mAlaska Airlines

Deal found 6/10

$1,372

One-way flights from Seattle to New South Wales
Search for one-way flight options from Seattle to New South Wales. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

mar. 9/98:00 amSEA - SYD

2 stops37h 40mMultiple Airlines

Deal found 6/12

$392

mié. 8/274:59 pmSEA - SYD

1 stop21h 31mQantas Airways

Deal found 6/11

$401

dom. 8/32:30 pmSEA - SYD

1 stop24h 00mAmerican Airlines

Deal found 6/12

$428

mar. 8/55:14 pmSEA - SYD

1 stop20h 46mUnited Airlines

Deal found 6/12

$431

jue. 8/71:30 pmSEA - SYD

2 stops24h 05mDelta

Deal found 6/10

$435

dom. 7/272:55 pmSEA - SYD

2 stops26h 45mAir Canada

Deal found 6/9

$479

mié. 7/93:44 pmSEA - SYD

2 stops22h 21mAlaska Airlines

Deal found 6/11

$517

sáb. 7/2610:00 amSEA - SYD

2 stops40h 15mANA

Deal found 6/11

$518

dom. 7/272:30 pmSEA - OOL

2 stops27h 10mQantas Airways

Deal found 6/12

$520

sáb. 7/264:30 pmSEA - OOL

2 stops52h 10mANA

Deal found 6/10

$588

lun. 8/256:55 pmSEA - SYD

3 stops58h 15mFiji Airways

Deal found 6/10

$791

lun. 9/11:40 amSEA - SYD

1 stop40h 05mChina Airlines

Deal found 6/12

$921

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

dom. 9/7

2:55 pm-7:20 am

1 stop23h 25m

Sydney Kingsford Smith

mar. 9/16

9:20 am-1:06 pm

1 stop20h 46m

$777

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

mié. 8/27

2:32 pm-7:30 am

1 stop23h 58m

Sydney Kingsford Smith

mar. 9/16

9:10 am-12:50 pm

1 stop20h 40m

$793

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

lun. 8/4

6:09 pm-7:30 am

1 stop20h 21m

Sydney Kingsford Smith

dom. 8/17

9:10 am-10:49 am

1 stop18h 39m

$821

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

sáb. 8/2

2:30 pm-7:30 am

1 stop24h 00m

Sydney Kingsford Smith

dom. 8/24

5:45 pm-9:33 pm

1 stop20h 48m

$835

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

vie. 8/1

5:10 am-6:55 am

1 stop32h 45m

Sydney Kingsford Smith

lun. 8/11

9:30 am-8:57 pm

2 stops28h 27m

$843

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

dom. 8/3

2:24 pm-6:35 am

1 stop23h 11m

Sydney Kingsford Smith

sáb. 8/16

9:25 am-12:34 pm

1 stop20h 09m

$850

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

mié. 8/27

10:00 am-9:25 am

2 stops30h 25m

Sydney Kingsford Smith

mar. 9/16

11:50 am-6:36 pm

2 stops23h 46m

$896

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

jue. 12/4

5:40 pm-9:00 am

1 stop20h 20m

Sydney Kingsford Smith

lun. 3/2

11:15 am-12:56 pm

1 stop20h 41m

$912

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

mié. 10/8

11:35 pm-9:00 am

1 stop39h 25m

Sydney Kingsford Smith

dom. 10/12

11:10 am-7:15 pm

1 stop26h 05m

$987

SeattleCoolangatta

SEA - OOL

SEAOOL

Seattle/Tacoma Intl

mié. 7/30

6:09 pm-10:40 am

2 stops23h 31m

Coolangatta Gold Coast

mar. 8/12

3:35 pm-10:00 pm

2 stops23h 25m

$1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 42 results

...

Best time to book a flight from Seattle to New South Wales

Have a flexible travel schedule? Discover the best time to fly to New South Wales from Seattle 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 Seattle to New South Wales

What is the cheapest month to book a flight from Seattle to New South Wales?

Currently, March is the cheapest month in which you can book a flight from Seattle to New South Wales (average of $1,041). Flying from Seattle to New South Wales 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 SEA to NSW?

When flying from Seattle to New South Wales, 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 New South Wales by month

In terms of precipitation, rainfall in New South Wales 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 New South Wales when rainfall is around 2.0 in.

Temperature in New South Wales by month

If weather is an important factor for your trip to New South Wales, 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 New South Wales

Peruse reviews from past customers who have flown with China Airlines, ANA and Fiji Airways from Seattle to New South Wales to help guide your decision. Reviews also offer insight into each airline's 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

Emirates

8.1

Very good

3,264 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 from for flights from Seattle to New South Wales?
For a flight from Seattle to New South Wales, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.
What are the cheapest airlines to fly from Seattle to New South Wales one-way?
The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $401. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Seattle to New South Wales for a low price.
What are the most popular routes from Seattle to New South Wales?
The most popular flight routes from Seattle to New South Wales are Seattle/Tacoma Intl - Sydney Kingsford Smith, Seattle/Tacoma Intl - Coolangatta Gold Coast and Seattle/Tacoma Intl - Dubbo.
Can I find deals for flights from Seattle to New South Wales that include hotel bookings?
Yes. In addition to deals on Seattle to New South Wales flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to New South Wales?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to New South Wales.
Can I find deals for business class flights from Seattle to New South Wales?
Yes. Cheapflights offers flight deals from Seattle to New South Wales 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 Seattle to New South Wales?
Currently, March is the cheapest month in which you can book a flight from Seattle to New South Wales (average of $1,041). Flying from Seattle to New South Wales 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Seattle to New South Wales

Complete your trip

New South Wales car rentals

Sydney Kingsford Smith Airport car rentals

Newcastle Williamtown Airport car rentals

Ballina Byron Airport car rentals

Dubbo Airport car rentals

Wagga Wagga Forrest Hill Airport car rentals

Tamworth Airport car rentals

Taree Airport car rentals

Parkes Airport car rentals

Sydney car rentals

Port Macquarie car rentals

Orange car rentals

Top 8 airlines flying from Seattle to New South Wales

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$1,143	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$1,152	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$911	Average$1,268	FlexibilityNo cancel fee	On-time75%

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$392+ Cheap flights from Seattle (SEA) to New South Wales

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 Seattle to New South Wales with Cheapflights

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Cheap flight deals from Seattle to New South Wales

Keep the following information in mind while searching for Seattle to New South Wales flight deals. Data was last updated junio 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to New South Wales

Cheapest flights from Seattle to New South WalesExplore the most affordable flight options available from Seattle to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from Seattle to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Seattle to New South Wales

Have a flexible travel schedule? Discover the best time to fly to New South Wales from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to New South Wales

What is the cheapest month to book a flight from Seattle to New South Wales?

What is the cheapest time of day to fly from SEA to NSW?

Find hourly flight availability from Seattle to New South Wales. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Rainfall in New South Wales by month

Plan your trip to New South Wales by taking into account the average rainfall totals by month.

Temperature in New South Wales by month

Plan your trip to New South Wales by taking into account the average temperature totals by month.

Reviews of airlines servicing New South Wales

Peruse reviews from past customers who have flown with China Airlines, ANA and Fiji Airways from Seattle to New South Wales to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to New South Wales. 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 from for flights from Seattle to New South Wales?

What are the cheapest airlines to fly from Seattle to New South Wales one-way?

What are the most popular routes from Seattle to New South Wales?

Can I find deals for flights from Seattle to New South Wales that include hotel bookings?

How can I find direct flights from Seattle to New South Wales?

Can I find deals for business class flights from Seattle to New South Wales?

What is the cheapest month to book a flight from Seattle to New South Wales?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to New South Wales

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Seattle to New South Wales

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Cheapest flights from Seattle to New South Wales
Explore the most affordable flight options available from Seattle to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.