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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
26 Dec — 2 Jan1
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 26 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 26 November 2025.
Thu 4/1216:00SYD - SEA
1 stop22h 16mAir Canada
Sun 25/115:40SEA - SYD
2 stops29h 15mAir Canada
Deal found 25/11$1,631
Thu 11/1211:20SYD - SEA
1 stop22h 11mAir Canada
Mon 29/1220:00SEA - SYD
1 stop39h 55mAir Canada
Deal found 25/11$1,653
Thu 4/1206:05SYD - SEA
2 stops22h 26mMultiple Airlines
Sun 25/120:00SEA - SYD
2 stops23h 25mMultiple Airlines
Deal found 25/11$1,778
Thu 11/1216:00SYD - SEA
1 stop25h 46mAir Canada
Thu 1/110:05SEA - SYD
1 stop25h 50mAir Canada
Deal found 25/11$1,853
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 26 November 2025.
Sun 15/219:15SYD - SEA
2 stops33h 16mAir Canada
Sun 22/210:05SEA - SYD
1 stop28h 30mAir Canada
Deal found 25/11$1,326
Mon 19/117:30SYD - SEA
2 stops22h 22mQantas Airways
Mon 2/215:57SEA - SYD
2 stops22h 23mQantas Airways
Deal found 24/11$1,495
Sun 15/210:20SYD - SEA
1 stop22h 35mAsiana Airlines
Sat 21/200:10SEA - SYD
1 stop37h 10mAsiana Airlines
Deal found 25/11$1,582
Thu 4/1206:05SYD - SEA
2 stops22h 26mMultiple Airlines
Sun 25/120:00SEA - SYD
2 stops23h 25mMultiple Airlines
Deal found 25/11$1,778
Mon 19/108:30SYD - SEA
2 stops20h 01mAir Canada
Mon 2/215:40SEA - SYD
1 stop22h 55mAir Canada
Deal found 24/11$1,532
Thu 11/1216:00SYD - SEA
1 stop25h 46mAir Canada
Mon 29/1205:50SEA - SYD
2 stops42h 15mAir Canada
Deal found 25/11$1,737
Thu 12/221:20SYD - SEA
3 stops31h 11mMultiple Airlines
Sun 1/300:10SEA - SYD
2 stops35h 05mMultiple Airlines
Deal found 24/11$2,023
Mon 19/110:20SYD - SEA
1 stop22h 35mAsiana Airlines
Sun 1/200:10SEA - SYD
1 stop37h 10mAsiana Airlines
Deal found 24/11$2,207
Thu 11/1216:00SYD - SEA
1 stop25h 46mAir Canada
Thu 1/110:05SEA - SYD
1 stop25h 50mAir Canada
Deal found 25/11$1,853
Last-minute flights from Sydney to Seattle
Discover last-minute flight deals from Sydney to Seattle. Data last updated 26 November 2025 and is based on user searches.
Thu 4/1216:00SYD - SEA
1 stop22h 16mAir Canada
Sun 25/115:40SEA - SYD
2 stops29h 15mAir Canada
Deal found 25/11$1,631
Thu 4/1206:05SYD - SEA
2 stops22h 26mMultiple Airlines
Sun 25/120:00SEA - SYD
2 stops23h 25mMultiple Airlines
Deal found 25/11$1,778
Thu 11/1211:20SYD - SEA
1 stop22h 11mAir Canada
Mon 29/1220:00SEA - SYD
1 stop39h 55mAir Canada
Deal found 25/11$1,653
Thu 11/1216:00SYD - SEA
1 stop25h 46mAir Canada
Thu 1/110:05SEA - SYD
1 stop25h 50mAir Canada
Deal found 25/11$1,853
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 26 November 2025.
Wed 21/106:20SYD - SEA
2 stops22h 11mMultiple Airlines
Deal found 24/11$803
Mon 8/1217:00SYD - SEA
2 stops22h 35mQantas Airways
Deal found 24/11$833
Wed 21/111:20SYD - SEA
1 stop26h 56mAir Canada
Deal found 24/11$977
Sun 14/1207:05SYD - SEA
2 stops29h 23mQantas Airways
Deal found 24/11$1,014
Fri 12/1208:45SYD - SEA
2 stops27h 43mQantas Airways
Deal found 24/11$1,017
Wed 10/1208:30SYD - SEA
2 stops31h 05mQantas Airways
Deal found 24/11$1,040
Tue 9/1214:45SYD - SEA
2 stops45h 43mQantas Airways
Deal found 24/11$1,048
Thu 11/1216:00SYD - SEA
1 stop17h 31mAir Canada
Deal found 24/11$1,053
Mon 8/1216:00SYD - SEA
1 stop22h 16mAir Canada
Deal found 24/11$1,080
Mon 8/1206:20SYD - SEA
3 stops31h 13mMultiple Airlines
Deal found 24/11$1,164
Wed 10/1208:45SYD - SEA
3 stops44h 21mMultiple Airlines
Deal found 24/11$1,195
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 26 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
Sun 15/2
19:15-09:31
2 stops33h 16m
Seattle/Tacoma Intl
Sun 22/2
10:05-09:35
1 stop28h 30m
$1,326
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Mon 19/1
17:30-20:52
2 stops22h 22m
Seattle/Tacoma Intl
Mon 2/2
15:57-09:20
2 stops22h 23m
$1,495
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Mon 19/1
08:30-09:31
2 stops20h 01m
Seattle/Tacoma Intl
Mon 2/2
15:40-09:35
1 stop22h 55m
$1,532
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Sun 15/2
10:20-13:55
1 stop22h 35m
Seattle/Tacoma Intl
Sat 21/2
00:10-08:20
1 stop37h 10m
$1,582
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 11/12
16:00-22:46
1 stop25h 46m
Seattle/Tacoma Intl
Mon 29/12
05:50-19:05
2 stops42h 15m
$1,737
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 4/12
06:05-09:31
2 stops22h 26m
Seattle/Tacoma Intl
Sun 25/1
20:00-14:25
2 stops23h 25m
$1,778
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 11/12
16:00-22:46
1 stop25h 46m
Seattle/Tacoma Intl
Thu 1/1
10:05-06:55
1 stop25h 50m
$1,853
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 12/2
21:20-09:31
3 stops31h 11m
Seattle/Tacoma Intl
Sun 1/3
00:10-06:15
2 stops35h 05m
$2,023
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Mon 19/1
10:20-13:55
1 stop22h 35m
Seattle/Tacoma Intl
Sun 1/2
00:10-08:20
1 stop37h 10m
$2,207
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Mon 8/12
17:00-20:35
2 stops22h 35m
$833
Flights are sorted by cheapest return flights first.
Deals found on 24/11
Showing 1-10 of 20 results
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2
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 21 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 $1,099). Flying from Sydney to Seattle in March is currently the most expensive (average of $1,362). 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 26 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 31% of one-stop itineraries from Sydney to Seattle on Cheapflights.
What’s the cheapest stopover airport for flights from Sydney to Seattle?
Average return fare for one-stop flights from Sydney to Seattle, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Nadi (NAN) is the most affordable one-stop option, with an average return flight price of $1,048.
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 21m.
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 26 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 Air Canada, Qantas Airways, and Asiana Airlines fly from Sydney to Seattle in about 22h 22m. The time it takes to get you to your destination can typically vary by up to 10h 54m. 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 $1,163, 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 $1,166 and $1,175, respectively. Users have found that Virgin Australia is 31% cheaper than the other options available to this destination.
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 $1,099). Flying from Sydney to Seattle in March is currently the most expensive (average of $1,362). 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 26 November 2025.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 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 26 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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