$491+ Cheap flights from Seattle (SEA) to New South Wales
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Nov 3 — Nov 101
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to New South Wales with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to New South Wales
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Best
Last-minute
One-way
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 October 4, 2026.
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 October 4, 2026.
This lol.travel deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 am -
1 stop28h 25m
Sun 11/228:30 am -
2 stops19h 57m
Deal found 10/1![Air Canada logo]()
$967
This lol.travel deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:15 pm -
2 stops22h 25m
Fri 10/2310:20 am -
1 stop17h 45m
Deal found 10/3![Multiple Airlines logo]()
$975
This Air Canada deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:05 pm -
1 stop19h 30m
Sun 11/811:20 am -
1 stop17h 12m
Deal found 9/29![Air Canada logo]()
$992
This lol.travel deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:50 am -
1 stop27h 30m
Mon 11/211:20 am -
1 stop17h 12m
Deal found 9/30![Air Canada logo]()
$1,000
This Priceline deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:15 pm -
1 stop23h 20m
Tue 11/2411:20 am -
1 stop17h 07m
Deal found 10/3![Air Canada logo]()
$1,002
This lol.travel deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:00 pm -
1 stop23h 20m
Mon 11/29:00 am -
2 stops19h 32m
Deal found 9/30![Multiple Airlines logo]()
$1,013
This Air Canada deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:05 pm -
1 stop19h 30m
Sun 11/86:20 am -
2 stops22h 12m
Deal found 9/29![Multiple Airlines logo]()
$1,014
Best flights from Seattle to New South WalesDiscover 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 October 4, 2026.
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 October 4, 2026.
This Qantas Airways deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:08 pm -
1 stop19h 52m
Fri 11/611:10 am -
1 stop20h 50m
Deal found 10/1![Qantas Airways logo]()
$1,142
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2411:30 am -
2 stops26h 00m
Sat 11/2810:40 am -
1 stop18h 25m
Deal found 10/1![Delta logo]()
$1,494
This Qatar Airways deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/263:50 pm -
2 stops35h 35m
Sun 1/1010:10 pm -
2 stops39h 43m
Deal found 10/1![Qatar Airways logo]()
$1,884
This Condor deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:15 pm -
3 stops50h 00m
Sun 11/810:25 am -
3 stops48h 30m
Deal found 10/3![Multiple Airlines logo]()
$2,430
This KLM deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/172:35 pm -
2 stops46h 20m
Tue 11/246:35 am -
3 stops48h 12m
Deal found 10/3![KLM logo]()
$2,677
This United Airlines deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:00 am -
2 stops33h 05m
Thu 12/3111:20 am -
2 stops29h 05m
Deal found 10/3![United Airlines logo]()
$2,677
This Japan Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:00 pm -
1 stop23h 50m
Mon 11/309:25 am -
2 stops50h 12m
Deal found 10/1![Japan Airlines logo]()
$3,433
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:25 am -
2 stops28h 05m
Thu 12/310:40 am -
2 stops25h 19m
Deal found 10/1![Delta logo]()
$3,192
This KLM deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:35 pm -
3 stops45h 50m
Sun 11/810:35 am -
3 stops44h 12m
Deal found 10/2![KLM logo]()
$3,424
This KLM deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:25 pm -
2 stops46h 10m
Fri 11/611:10 am -
3 stops43h 37m
Deal found 9/30![KLM logo]()
$3,426
This KLM deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:35 pm -
3 stops45h 50m
Sun 11/2910:10 pm -
2 stops56h 40m
Deal found 9/30![KLM logo]()
$3,446
Last-minute flights from Seattle to New South WalesDiscover last-minute flight deals from Seattle to New South Wales. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to New South Wales. Data last updated October 4, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:50 am -
1 stop27h 30m
Mon 11/211:20 am -
1 stop17h 12m
Deal found 9/30![Air Canada logo]()
$1,000
This lol.travel deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:00 pm -
1 stop23h 20m
Mon 11/29:00 am -
2 stops19h 32m
Deal found 9/30![Multiple Airlines logo]()
$1,013
This lol.travel deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:15 pm -
2 stops22h 25m
Fri 10/2310:20 am -
1 stop17h 45m
Deal found 10/3![Multiple Airlines logo]()
$975
This Air Canada deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:05 pm -
1 stop19h 30m
Sun 11/811:20 am -
1 stop17h 12m
Deal found 9/29![Air Canada logo]()
$992
This Air Canada deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:05 pm -
1 stop19h 30m
Sun 11/86:20 am -
2 stops22h 12m
Deal found 9/29![Multiple Airlines logo]()
$1,014
This lol.travel deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:10 am -
1 stop28h 25m
Sun 11/228:30 am -
2 stops19h 57m
Deal found 10/1![Air Canada logo]()
$967
This Priceline deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:15 pm -
1 stop23h 20m
Tue 11/2411:20 am -
1 stop17h 07m
Deal found 10/3![Air Canada logo]()
$1,002
One-way flights from Seattle to New South WalesSearch for one-way flight options from Seattle to New South Wales. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
Search for one-way flight options from Seattle to New South Wales. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:48 pm -
1 stop39h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:09 pm -
1 stop39h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:07 pm -
1 stop21h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:09 pm -
1 stop39h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:09 pm -
1 stop40h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:00 pm -
1 stop40h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$533
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:09 pm -
1 stop40h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$534
This Ticket deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:43 pm -
1 stop25h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$540
This SmartFares deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:30 pm -
1 stop41h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Philippine Airlines logo]()
$551
Find 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 October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $967 (lol.travel) |
One-way from | $491 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,076 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to New South Wales that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 4, 2026.
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
Cheapest round-trip
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Tue 10/27
5:05 am-7:00 am
2 stops31h 55m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$567
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Wed 11/18
12:45 pm-9:05 am
2 stops25h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$567
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Sat 11/14
10:56 pm-7:00 am
2 stops37h 04m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$568
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Sun 11/15
5:05 am-9:20 am
2 stops33h 15m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$568
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Sat 10/24
3:55 pm-7:00 am
2 stops45h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$573
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Sat 10/31
3:49 pm-9:05 am
2 stops47h 16m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$588
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Sat 11/28
5:05 am-9:05 am
2 stops33h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$627
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Fri 11/27
12:45 pm-9:05 am
2 stops25h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$627
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Thu 12/31
12:25 pm-6:25 am
2 stops23h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$739
Quickest round-trip
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Thu 12/10
5:42 pm-9:00 am
1 stop20h 18m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$768
Showing 1-10 of 21 resultsSorted by cheapest first
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.
SEA-SYD
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
SEA-AUNSW
SEA-SYD
What is the cheapest month to book a flight from Seattle to New South Wales?
Currently, August is the cheapest month in which you can book a flight from Seattle to New South Wales (average of $804). Flying from Seattle to New South Wales in December is currently the most expensive (average of $1,907). 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.
How much does it cost to fly round-trip from Seattle to New South Wales?
Airfare is typical for this route at the moment.
Seattle to New South Wales flights typically cost between $938 and $1,186 in November.The cheapest round-trip price found within the last 5 days was $967 on Air Canada (Nov 8-Nov 22).
How far ahead should I book a flight from Seattle to New South Wales?
Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to New South Wales. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing New South Wales
Get insights into the airlines that provide service to New South Wales. 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 New South Wales. Reviews last updated October 4, 2026.
Peruse reviews from past customers who have flown with ANA,Delta, andQantas 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.
Boarding
8.5
Crew
8.7
Food
7.8
Overall
8.3
Comfort
8.2
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Boarding
8.5
Crew
8.7
Food
7.8
Overall
8.3
Comfort
8.2
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Boarding
8.5
Crew
8.7
Food
7.8
Overall
8.3
Comfort
8.2
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Boarding
8.5
Crew
8.7
Food
7.8
Overall
8.3
Comfort
8.2
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Boarding
8.5
Crew
8.7
Food
7.8
Overall
8.3
Comfort
8.2
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
Boarding
8.5
Crew
8.7
Food
7.8
Overall
8.3
Comfort
8.2
Entertainment
8.0
Reviews
1 / 20
8.0
ExcellentRyan,Aug 2026
JFK - HND
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.
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Alternative routes for Seattle to New South Wales
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to New South Wales by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to New South Wales by cabin class
Find flights from Seattle to New South Wales, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and New South Wales flights
Browse other Seattle and New South Wales flight options. Last updated on October 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 9 airlines flying from Seattle to New South Wales
Discover the top 9 airlines that operate flights from Seattle to New South Wales. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$583 | Average$627 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$819 | Average$1,180 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$822 | Average$899 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$888 | Average$1,370 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$898 | Average$1,509 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$938 | Average$1,114 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$947 | Average$1,335 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$975 | Average$1,126 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$978 | Average$1,541 | FlexibilityNo cancel fee | On-timeN/A |