$547+ Cheap flights from Sydney (SYD) to Seattle (SEA)
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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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Find cheap flights from Sydney to Seattle with Cheapflights
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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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Last-minute
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Cheapest flights from Sydney to SeattleExplore 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 March 13, 2026.
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 March 13, 2026.
This Vliegwinkel deal was found by Cheapflights users on 3/11. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:15 pm
SYD
- SEA
2 stops22h 25m
Multiple Airlines
Sat 5/25:06 pm
SEA
- SYD
2 stops25h 44m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$897
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:10 am
SYD
- SEA
2 stops28h 03m
American Airlines
Wed 5/610:00 am
SEA
- SYD
1 stop28h 05m
American Airlines
Deal found 3/13![American Airlines logo]()
$931
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:15 am
SYD
- SEA
1 stop26h 50m
Philippine Airlines
Wed 9/911:10 pm
SEA
- SYD
1 stop39h 50m
Philippine Airlines
Deal found 3/11![Philippine Airlines logo]()
$932
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:10 am
SYD
- SEA
2 stops25h 39m
American Airlines
Mon 5/46:40 pm
SEA
- SYD
1 stop19h 25m
American Airlines
Deal found 3/12![American Airlines logo]()
$935
This Flighttix deal was found by Cheapflights users on 3/13. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:10 am
SYD
- SEA
2 stops25h 39m
British Airways
Mon 5/46:40 pm
SEA
- SYD
1 stop19h 25m
British Airways
Deal found 3/13![British Airways logo]()
$936
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 5/1810:20 am
SYD
- SEA
1 stop17h 23m
United Airlines
Sun 5/2411:52 pm
SEA
- SYD
2 stops38h 03m
United Airlines
Deal found 3/13![United Airlines logo]()
$950
This BYOjet deal was found by Cheapflights users on 3/9. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:00 pm
SYD
- SEA
2 stops22h 51m
Multiple Airlines
Wed 4/225:58 pm
SEA
- SYD
2 stops24h 52m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$963
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1810:15 am
SYD
- SEA
1 stop26h 50m
Philippine Airlines
Sun 7/2611:10 pm
SEA
- SYD
1 stop39h 50m
Philippine Airlines
Deal found 3/10![Philippine Airlines logo]()
$964
This BYOjet deal was found by Cheapflights users on 3/13. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:15 pm
SYD
- SEA
2 stops23h 01m
Multiple Airlines
Sun 5/245:59 pm
SEA
- SYD
2 stops24h 51m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$965
Best flights from Sydney to SeattleDiscover carefully curated flight deals from Sydney to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Sydney to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 5/1810:20 am
SYD
- SEA
1 stop17h 23m
United Airlines
Sun 5/2411:52 pm
SEA
- SYD
2 stops38h 03m
United Airlines
Deal found 3/13![United Airlines logo]()
$950
This BYOjet deal was found by Cheapflights users on 3/13. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:15 pm
SYD
- SEA
2 stops23h 01m
Multiple Airlines
Sun 5/245:59 pm
SEA
- SYD
2 stops24h 51m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$965
This Hawaiian Airlines deal was found by Cheapflights users on 3/9. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:45 pm
SYD
- SEA
1 stop29h 02m
Alaska Airlines
Wed 5/201:50 pm
SEA
- SYD
1 stop36h 00m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$1,125
This Philippine Airlines deal was found by Cheapflights users on 3/10. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:15 am
SYD
- SEA
1 stop26h 50m
Philippine Airlines
Sun 5/1011:10 pm
SEA
- SYD
1 stop39h 50m
Philippine Airlines
Deal found 3/10![Philippine Airlines logo]()
$1,157
This Air New Zealand deal was found by Cheapflights users on 3/10. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1311:55 am
SYD
- SEA
2 stops23h 08m
Multiple Airlines
Tue 7/285:12 pm
SEA
- SYD
2 stops22h 33m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$1,148
This Air New Zealand deal was found by Cheapflights users on 3/11. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:55 am
SYD
- SEA
2 stops24h 21m
Multiple Airlines
Sun 6/285:12 pm
SEA
- SYD
2 stops22h 33m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$1,163
This Air New Zealand deal was found by Cheapflights users on 3/11. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:55 am
SYD
- SEA
2 stops23h 21m
Multiple Airlines
Sun 6/285:12 pm
SEA
- SYD
2 stops22h 33m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$1,163
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:45 pm
SYD
- SEA
1 stop21h 08m
Multiple Airlines
Thu 5/217:35 am
SEA
- SYD
1 stop18h 15m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,179
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:40 pm
SYD
- SEA
2 stops27h 22m
Multiple Airlines
Wed 4/227:08 pm
SEA
- SYD
1 stop30h 42m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,266
Last-minute flights from Sydney to SeattleDiscover last-minute flight deals from Sydney to Seattle. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to Seattle. Data last updated March 13, 2026 and is based on user searches.
This BYOjet deal was found by Cheapflights users on 3/9. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/242:00 pm
SYD
- SEA
2 stops22h 51m
Multiple Airlines
Wed 4/225:58 pm
SEA
- SYD
2 stops24h 52m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$963
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:10 am
SYD
- SEA
2 stops24h 07m
American Airlines
Wed 5/65:00 am
SEA
- SYD
2 stops33h 05m
American Airlines
Deal found 3/13![American Airlines logo]()
$931
This BYOjet deal was found by Cheapflights users on 3/10. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:15 pm
SYD
- SEA
2 stops22h 25m
Multiple Airlines
Fri 5/15:58 pm
SEA
- SYD
2 stops24h 52m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$1,026
This Vliegwinkel deal was found by Cheapflights users on 3/11. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:15 pm
SYD
- SEA
2 stops22h 25m
Multiple Airlines
Sat 5/25:06 pm
SEA
- SYD
2 stops25h 44m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$897
This Ovago deal was found by Cheapflights users on 3/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/261:15 pm
SYD
- SEA
2 stops26h 03m
Multiple Airlines
Sun 5/310:51 am
SEA
- SYD
2 stops31h 59m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$1,042
This American Airlines deal was found by Cheapflights users on 3/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:10 am
SYD
- SEA
2 stops25h 39m
American Airlines
Mon 5/46:40 pm
SEA
- SYD
1 stop19h 25m
American Airlines
Deal found 3/12![American Airlines logo]()
$935
This Flighttix deal was found by Cheapflights users on 3/13. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:10 am
SYD
- SEA
2 stops25h 39m
British Airways
Mon 5/46:40 pm
SEA
- SYD
1 stop19h 25m
British Airways
Deal found 3/13![British Airways logo]()
$936
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 4/308:45 pm
SYD
- SEA
1 stop21h 08m
Multiple Airlines
Thu 5/148:50 pm
SEA
- SYD
1 stop29h 00m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,044
One-way flights from Sydney to SeattleSearch for one-way flight options from Sydney to Seattle. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Sydney to Seattle. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 7/298:45 pm
SYD
- SEA
3 stops39h 29m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$547
This BYOjet deal was found by Cheapflights users on 3/10. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/269:55 am
SYD
- SEA
2 stops29h 04m
Air New Zealand
Deal found 3/10![Air New Zealand logo]()
$584
This BYOjet deal was found by Cheapflights users on 3/9. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:55 am
SYD
- SEA
2 stops29h 03m
Air New Zealand
Deal found 3/9![Air New Zealand logo]()
$590
This BYOjet deal was found by Cheapflights users on 3/9. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:55 am
SYD
- SEA
2 stops29h 04m
Air New Zealand
Deal found 3/9![Air New Zealand logo]()
$591
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:10 am
SYD
- SEA
1 stop21h 47m
American Airlines
Deal found 3/13![American Airlines logo]()
$594
This KAYAK deal was found by Cheapflights users on 3/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:10 am
SYD
- SEA
2 stops31h 29m
Qantas Airways
Deal found 3/13![Qantas Airways logo]()
$598
This Delta deal was found by Cheapflights users on 3/12. 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.
Wed 4/229:15 am
SYD
- SEA
2 stops26h 15m
Delta
Deal found 3/12![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 4/299:30 am
SYD
- SEA
3 stops30h 57m
United Airlines
Deal found 3/13![United Airlines logo]()
$611
This Gurufare deal was found by Cheapflights users on 3/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:20 pm
SYD
- SEA
2 stops23h 26m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$612
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 6/98:50 pm
SYD
- SEA
3 stops40h 15m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/611:00 am
SYD
- SEA
3 stops47h 42m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$622
This Ovago deal was found by Cheapflights users on 3/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:15 pm
SYD
- SEA
2 stops23h 01m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$630
Find 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 March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $897 (Vliegwinkel) |
One-way from | $547 (Kiwi.com) |
Popular in | July |
Cheapest in | August |
Average price | $1,022 |
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated March 13, 2026.
Use the filters below to find and compare flights from Sydney to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Mon 5/18
10:20 am-10:43 am
1 stop17h 23m
Seattle/Tacoma Intl
Sun 5/24
11:52 pm-6:55 am
2 stops38h 03m
$950
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Mon 5/18
1:15 pm-7:16 pm
2 stops23h 01m
Seattle/Tacoma Intl
Sun 5/24
5:59 pm-11:50 am
2 stops24h 51m
$965
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Tue 5/5
8:45 pm-8:47 am
1 stop29h 02m
Seattle/Tacoma Intl
Wed 5/20
1:50 pm-6:50 pm
1 stop36h 00m
$1,125
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Mon 7/13
11:55 am-6:03 pm
2 stops23h 08m
Seattle/Tacoma Intl
Tue 7/28
5:12 pm-8:45 am
2 stops22h 33m
$1,148
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Wed 5/6
10:15 am-8:05 pm
1 stop26h 50m
Seattle/Tacoma Intl
Sun 5/10
11:10 pm-8:00 am
1 stop39h 50m
$1,157
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 6/4
11:55 am-7:16 pm
2 stops24h 21m
Seattle/Tacoma Intl
Sun 6/28
5:12 pm-8:45 am
2 stops22h 33m
$1,163
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Wed 6/3
11:55 am-6:16 pm
2 stops23h 21m
Seattle/Tacoma Intl
Sun 6/28
5:12 pm-8:45 am
2 stops22h 33m
$1,163
Quickest round-trip
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Thu 5/7
8:45 pm-12:53 am
1 stop21h 08m
Seattle/Tacoma Intl
Thu 5/21
7:35 am-6:50 pm
1 stop18h 15m
$1,179
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Tue 3/24
9:40 pm-7:02 am
2 stops27h 22m
Seattle/Tacoma Intl
Wed 4/22
7:08 pm-6:50 pm
1 stop30h 42m
$1,266
Cheapest one-way
SydneySeattle
SYD - SEA
SYDSEA
Sydney Kingsford Smith
Mon 6/1
9:15 am-6:46 pm
2 stops26h 31m
$599
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Sydney to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Seattle in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Sydney-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sydney-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SYD-SEA
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 Sydney to Seattle
How far ahead should I book a flight from Sydney to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Sydney to Seattle. Price data was last updated on March 6, 2026.
The best time to book flights from Sydney to Seattle is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Sydney to Seattle?
Currently, February is the cheapest month in which you can book a flight from Sydney to Seattle (average of $712). Flying from Sydney to Seattle in January is currently the most expensive (average of $925). 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 Sydney to Seattle?
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 March 13, 2026.
Read through reviews of airlines operating flights from Sydney to Seattle, such as Delta,United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Crew
8.5
Boarding
8.1
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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Sydney and Seattle flights
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Top 3 airlines flying from Sydney to Seattle
Discover the top 3 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 2,558,603 searches. Data last updated March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$598 | Average$1,052 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$794 | Average$1,167 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$802 | Average$1,374 | FlexibilityNo cancel fee | On-timeN/A |