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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
19 Dec — 26 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Seattle/Tacoma Intl are usually found in August or September, booked 39 days in advance, depart on a Thursday or Tuesday and return on a Monday
Cheap flight deals from Sydney to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 November 2025.
Explore the most affordable flight options available from Sydney to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 November 2025.
Mon 1/1207:45SYD - SEA
2 stops33h 45mAir New Zealand
Sun 7/1210:05SEA - SYD
2 stops27h 40mAir New Zealand
Deal found 16/11$1,636
Thu 11/1211:20SYD - SEA
1 stop30h 26mAir Canada
Mon 29/1220:00SEA - SYD
1 stop39h 55mAir Canada
Deal found 18/11$1,662
Thu 4/1211:45SYD - SEA
2 stops29h 45mAir New Zealand
Sun 21/1215:40SEA - SYD
2 stops22h 05mAir New Zealand
Deal found 18/11$1,733
Mon 1/1218:35SYD - SEA
2 stops33h 56mMultiple Airlines
Sun 7/1220:00SEA - SYD
1 stop18h 35mMultiple Airlines
Deal found 16/11$1,753
Thu 4/1211:20SYD - SEA
1 stop17h 11mAir Canada
Sun 21/1215:40SEA - SYD
1 stop22h 55mAir Canada
Deal found 18/11$1,765
Thu 11/1206:00SYD - SEA
2 stops27h 24mQantas Airways
Thu 1/106:00SEA - SYD
2 stops35h 30mQantas Airways
Deal found 17/11$1,782
Thu 4/1213:55SYD - SEA
3 stops26h 05mMultiple Airlines
Sun 21/1215:40SEA - SYD
2 stops22h 05mMultiple Airlines
Deal found 18/11$1,796
Wed 24/1211:20SYD - SEA
1 stop22h 11mAir Canada
Sun 4/115:40SEA - SYD
2 stops35h 05mAir Canada
Deal found 17/11$1,801
Best flights from Sydney to Seattle
Discover carefully curated flight deals from Sydney to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 November 2025.
Thu 30/411:35SYD - SEA
1 stop25h 35mPhilippine Airlines
Thu 7/523:05SEA - SYD
1 stop41h 40mPhilippine Airlines
Deal found 18/11$1,396
Tue 28/409:30SYD - SEA
1 stop22h 25mAsiana Airlines
Thu 7/500:10SEA - SYD
1 stop38h 20mAsiana Airlines
Deal found 18/11$1,484
Thu 30/413:15SYD - SEA
2 stops22h 32mMultiple Airlines
Thu 7/523:05SEA - SYD
1 stop41h 40mMultiple Airlines
Deal found 18/11$1,488
Thu 15/121:40SYD - SEA
2 stops26h 24mAlaska Airlines
Sun 25/117:45SEA - SYD
1 stop31h 00mAlaska Airlines
Deal found 17/11$1,667
Thu 4/1211:45SYD - SEA
2 stops29h 45mAir New Zealand
Sun 21/1215:40SEA - SYD
2 stops22h 05mAir New Zealand
Deal found 18/11$1,733
Wed 11/311:35SYD - SEA
1 stop26h 05mPhilippine Airlines
Sun 15/322:30SEA - SYD
1 stop41h 20mPhilippine Airlines
Deal found 16/11$1,444
Thu 30/409:30SYD - SEA
1 stop22h 25mAsiana Airlines
Fri 8/500:10SEA - SYD
1 stop38h 20mAsiana Airlines
Deal found 18/11$1,484
Wed 11/310:20SYD - SEA
1 stop22h 35mAsiana Airlines
Sat 14/300:10SEA - SYD
1 stop38h 10mAsiana Airlines
Deal found 16/11$1,488
Fri 1/511:35SYD - SEA
1 stop25h 35mPhilippine Airlines
Tue 5/523:05SEA - SYD
1 stop41h 40mPhilippine Airlines
Deal found 18/11$1,739
Fri 1/509:30SYD - SEA
1 stop22h 25mAsiana Airlines
Fri 8/500:10SEA - SYD
1 stop38h 20mAsiana Airlines
Deal found 18/11$1,728
Thu 30/411:35SYD - SEA
1 stop25h 35mPhilippine Airlines
Sun 10/523:05SEA - SYD
1 stop41h 40mPhilippine Airlines
Deal found 18/11$1,739
Last-minute flights from Sydney to Seattle
Discover last-minute flight deals from Sydney to Seattle. Data last updated 19 November 2025 and is based on user searches.
Mon 1/1207:45SYD - SEA
2 stops33h 45mAir New Zealand
Sun 7/1210:05SEA - SYD
2 stops27h 40mAir New Zealand
Deal found 16/11$1,636
Mon 1/1218:35SYD - SEA
2 stops33h 56mMultiple Airlines
Sun 7/1220:00SEA - SYD
1 stop18h 35mMultiple Airlines
Deal found 16/11$1,753
Thu 4/1211:45SYD - SEA
2 stops29h 45mAir New Zealand
Sun 21/1215:40SEA - SYD
2 stops22h 05mAir New Zealand
Deal found 18/11$1,733
Thu 4/1211:20SYD - SEA
1 stop17h 11mAir Canada
Sun 21/1215:40SEA - SYD
1 stop22h 55mAir Canada
Deal found 18/11$1,765
Thu 4/1213:55SYD - SEA
3 stops26h 05mMultiple Airlines
Sun 21/1215:40SEA - SYD
2 stops22h 05mMultiple Airlines
Deal found 18/11$1,796
Thu 11/1211:20SYD - SEA
1 stop30h 26mAir Canada
Mon 29/1220:00SEA - SYD
1 stop39h 55mAir Canada
Deal found 18/11$1,662
Thu 11/1206:00SYD - SEA
2 stops27h 24mQantas Airways
Thu 1/106:00SEA - SYD
2 stops35h 30mQantas Airways
Deal found 17/11$1,782
Wed 24/1211:20SYD - SEA
1 stop22h 11mAir Canada
Sun 4/115:40SEA - SYD
2 stops35h 05mAir Canada
Deal found 17/11$1,801
One-way flights from Sydney to Seattle
Search for one-way flight options from Sydney to Seattle. Find affordable one-way fares based on user searches. Data last updated 19 November 2025.
Sat 17/115:55SYD - SEA
2 stops39h 34mMultiple Airlines
Deal found 18/11$802
Thu 15/120:00SYD - SEA
2 stops45h 46mMultiple Airlines
Deal found 17/11$820
Wed 14/121:40SYD - SEA
2 stops28h 04mMultiple Airlines
Deal found 17/11$823
Fri 16/120:25SYD - SEA
3 stops58h 29mMultiple Airlines
Deal found 18/11$828
Mon 8/1214:55SYD - SEA
2 stops24h 40mQantas Airways
Deal found 17/11$837
Fri 16/121:40SYD - SEA
1 stop26h 39mAlaska Airlines
Deal found 18/11$842
Tue 2/1206:20SYD - SEA
2 stops22h 11mMultiple Airlines
Deal found 18/11$845
Sat 17/119:40SYD - SEA
2 stops35h 49mQantas Airways
Deal found 17/11$854
Tue 25/1117:30SYD - SEA
2 stops21h 53mQantas Airways
Deal found 16/11$863
Fri 13/307:00SYD - SEA
2 stops32h 15mMultiple Airlines
Deal found 18/11$866
Cheapflights Fare Finder
Customise your flight search to find flights from Sydney to Seattle 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 647,157 searches. Data last updated 19 November 2025.
Use the filters below to find and compare flights from Sydney to Seattle that are best for you.
Fly from
Sydney
Fly to
Seattle
Route
Depart
Return
Price
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 30/4
11:35-20:10
1 stop25h 35m
Seattle/Tacoma Intl
Thu 7/5
23:05-09:45
1 stop41h 40m
$1,396
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Wed 11/3
11:35-19:40
1 stop26h 05m
Seattle/Tacoma Intl
Sun 15/3
22:30-09:50
1 stop41h 20m
$1,444
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Tue 28/4
09:30-14:55
1 stop22h 25m
Seattle/Tacoma Intl
Thu 7/5
00:10-07:30
1 stop38h 20m
$1,484
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 30/4
09:30-14:55
1 stop22h 25m
Seattle/Tacoma Intl
Fri 8/5
00:10-07:30
1 stop38h 20m
$1,484
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 30/4
13:15-18:47
2 stops22h 32m
Seattle/Tacoma Intl
Thu 7/5
23:05-09:45
1 stop41h 40m
$1,488
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Wed 11/3
10:20-14:55
1 stop22h 35m
Seattle/Tacoma Intl
Sat 14/3
00:10-08:20
1 stop38h 10m
$1,488
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 15/1
21:40-05:04
2 stops26h 24m
Seattle/Tacoma Intl
Sun 25/1
17:45-19:45
1 stop31h 00m
$1,667
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Fri 1/5
09:30-14:55
1 stop22h 25m
Seattle/Tacoma Intl
Fri 8/5
00:10-07:30
1 stop38h 20m
$1,728
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 4/12
11:45-22:30
2 stops29h 45m
Seattle/Tacoma Intl
Sun 21/12
15:40-08:45
2 stops22h 05m
$1,733
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Fri 1/5
11:35-20:10
1 stop25h 35m
Seattle/Tacoma Intl
Tue 5/5
23:05-09:45
1 stop41h 40m
$1,739
Flights are sorted by cheapest return flights first.
Deals found on 18/11
Showing 1-10 of 22 results
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Best time to book a flight from Sydney to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Sydney with our price prediction graph.
Estimated return 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 Sydney to Seattle
Prices
More
How far ahead should I book a flight from Sydney to Seattle?
Use this chart to determine the optimal time to book a return flight from Sydney to Seattle. Price data was last updated on 14 November 2025.
Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Sydney to Seattle?
Currently, June is the cheapest month in which you can book a flight from Sydney to Seattle (average of $1,093). Flying from Sydney to Seattle in March is currently the most expensive (average of $1,354). 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 SYD to SEA?
Find hourly flight availability from Sydney to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 November 2025.
One of the essential ways to save on airfare from Sydney to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 18% on airfare.
What is the cheapest day to fly from Sydney to Seattle?
Use this chart to determine the cheapest time to fly return from Sydney to Seattle. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sydney to Seattle flight should consider departing on Saturday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from Sydney to Seattle?
What’s the top stopover airport for flights from Sydney to Seattle?
Share of one-stop return flights from Sydney to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Vancouver (YVR) – chosen by Cheapflights users on 29% of one-stop itineraries from Sydney to Seattle on Cheapflights.
What’s the fastest stopover option from Sydney to Seattle?
Shortest average travel time for one-stop one-way flights from Sydney to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Nadi (NAN) have the shortest average one-way travel time for one-stop routes: 17h 40m.
What’s the fastest stopover option from Sydney to Seattle?
Shortest average travel time for one-stop one-way flights from Sydney to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Nadi (NAN) have the shortest average one-way travel time for one-stop routes: 17h 40m.
Which airport typically offers the quickest stopover for flights from Sydney to Seattle?
Average stopover duration for one-stop one-way flights from Sydney to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 22m.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 19 November 2025.
See what other customers who have flown with Delta, Hawaiian Airlines, andQantas Airways from Sydney to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Related info for your journey
Find useful and relevant information for your journey from Sydney to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Sydney to Seattle?
Airlines like Philippine Airlines and Asiana Airlines fly from Sydney to Seattle in about 22h 25m. The time it takes to get you to your destination can typically vary by up to 3h 10m. Airlines will cover a distance of 12463 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Sydney to Seattle round-trip?
Currently priced at $1,157, Virgin Australia will fly you from Sydney to Seattle and back. In addition to Virgin Australia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Delta - these airlines can fly you to your destination from $1,160 and $1,168, respectively. Users have found that Virgin Australia is 31% cheaper than the other options available to this destination.
Where are the most common stopover locations when flying from Sydney to Seattle?
Of the flights from Sydney to Seattle that have stopovers, most of them stop in San Francisco.
What are some popular things to do or see while on a stopover in San Francisco?
If you're on a stopover in San Francisco and looking for things to do, consider visiting Fisherman's Wharf, Union Square, or Ghirardelli Square. Fisherman's Wharf, Union Square and Ghirardelli Square are located about 21.0 km, 18.7 km, and 20.8 km, respectively from San Francisco if you are interested in checking them out. Those looking to explore during their stopover in San Francisco can hire a car from San Francisco for about $62 per day.
Where are the least popular stopover locations for Sydney to Seattle flights?
The least popular stopover on flights from Sydney to Seattle is Vancouver.
Can I find deals for flights from Sydney to Seattle that include hotel bookings?
Yes. In addition to deals on Sydney to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Seattle.
Can I find deals for business class flights from Sydney to Seattle?
Yes. Cheapflights offers flight deals from Sydney to Seattle 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 Sydney to Seattle?
Currently, June is the cheapest month in which you can book a flight from Sydney to Seattle (average of $1,093). Flying from Sydney to Seattle in March is currently the most expensive (average of $1,354). 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.
Book flights to Seattle if you plan to visit one of these locations
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Fly from Sydney to Seattle on these airlines
Choose from the following airlines for your flight from Sydney to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 19 November 2025.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 November 2025.
Discover the top 10 airlines that operate flights from Sydney to Seattle. 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 647,157 searches. Data last updated 19 November 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to Seattle?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Sydney to Seattle?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Sydney.
Can Cheapflights find flights from Sydney to Seattle with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Seattle flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney to Seattle become cheaper?
Yes, Cheapflights offers price alerts on Sydney to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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