$482+ Cheap flights from Seattle (SEA) to Australia
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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Dec 9 — Dec 161
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Australia with Cheapflights
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Cheapest flights from Seattle to AustraliaExplore the most affordable flight options available from Seattle to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
Explore the most affordable flight options available from Seattle to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2026.
This Globehunters deal was found by Cheapflights users on 11/4. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:30 pm -
1 stop41h 20m
Fri 11/2011:30 am -
1 stop26h 15m
Deal found 11/4![Philippine Airlines logo]()
$1,052
This Globehunters deal was found by Cheapflights users on 11/7. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:30 pm -
1 stop41h 20m
Wed 11/1811:30 am -
1 stop26h 15m
Deal found 11/7![Philippine Airlines logo]()
$1,076
This Justfly.com deal was found by Cheapflights users on 11/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:30 pm -
1 stop41h 20m
Fri 11/2011:30 am -
1 stop26h 15m
Deal found 11/5![Philippine Airlines logo]()
$1,106
This Philippine Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/89:30 pm -
1 stop41h 20m
Fri 11/2011:30 am -
1 stop26h 15m
Deal found 11/5![Philippine Airlines logo]()
$1,113
This SmartFares deal was found by Cheapflights users on 11/4. 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.
Tue 11/246:30 pm -
1 stop30h 15m
Tue 12/89:40 pm -
1 stop17h 36m
Deal found 11/4![Multiple Airlines logo]()
$1,124
This Philippine Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/89:30 pm -
1 stop41h 20m
Wed 11/1811:30 am -
1 stop26h 15m
Deal found 11/5![Philippine Airlines logo]()
$1,133
This Globehunters deal was found by Cheapflights users on 11/5. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop17h 45m
Thu 11/269:40 pm -
1 stop17h 40m
Deal found 11/5![Multiple Airlines logo]()
$1,135
This Ovago deal was found by Cheapflights users on 11/6. 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.
Fri 12/43:55 pm -
2 stops25h 30m
Fri 12/111:25 pm -
2 stops23h 30m
Deal found 11/6![Multiple Airlines logo]()
$1,136
This Philippine Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 11/69:30 pm -
1 stop41h 20m
Wed 11/1811:30 am -
1 stop26h 15m
Deal found 11/5![Philippine Airlines logo]()
$1,163
This Globehunters deal was found by Cheapflights users on 11/5. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop17h 45m
Thu 11/199:40 pm -
1 stop27h 28m
Deal found 11/5![Multiple Airlines logo]()
$1,165
This Philippine Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 11/299:30 pm -
1 stop41h 20m
Fri 1/2211:30 am -
1 stop26h 15m
Deal found 11/4![Philippine Airlines logo]()
$1,169
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 11/237:00 am -
1 stop17h 45m
Tue 12/19:40 pm -
1 stop20h 16m
Deal found 11/6![Multiple Airlines logo]()
$1,175
Best flights from Seattle to AustraliaDiscover carefully curated flight deals from Seattle to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
Discover carefully curated flight deals from Seattle to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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.
Sun 2/78:15 am -
1 stop27h 35m
Sun 5/91:05 pm -
1 stop20h 22m
Deal found 11/8![Alaska Airlines logo]()
$1,091
This Ovago deal was found by Cheapflights users on 11/6. 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.
Fri 12/43:55 pm -
2 stops25h 30m
Fri 12/111:25 pm -
2 stops23h 30m
Deal found 11/6![Multiple Airlines logo]()
$1,136
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2612:45 pm -
2 stops27h 00m
Wed 2/102:35 pm -
2 stops27h 52m
Deal found 11/4![Qantas Airways logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 11/5. 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 2/110:21 am -
1 stop27h 09m
Tue 2/1611:20 am -
1 stop25h 15m
Deal found 11/5![United Airlines logo]()
$1,246
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 5/79:30 am -
1 stop29h 20m
Fri 5/1410:00 am -
2 stops21h 47m
Deal found 11/5![Delta logo]()
$1,324
This Cathay Pacific deal was found by Cheapflights users on 11/7. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/24:49 pm -
2 stops38h 06m
Sun 2/218:30 am -
1 stop40h 15m
Deal found 11/7![Cathay Pacific logo]()
$1,388
This Qatar Airways deal was found by Cheapflights users on 11/9. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/53:50 pm -
1 stop34h 55m
Thu 2/1810:45 pm -
1 stop28h 55m
Deal found 11/9![Qatar Airways logo]()
$1,458
This Singapore Airlines deal was found by Cheapflights users on 11/6. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/28:40 am -
1 stop38h 35m
Sat 3/66:00 am -
2 stops43h 05m
Deal found 11/6![Singapore Airlines logo]()
$2,094
This Air Tahiti Nui deal was found by Cheapflights users on 11/5. 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 Tahiti Nui is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/228:15 pm -
3 stops53h 35m
Wed 3/35:50 pm -
3 stops44h 12m
Deal found 11/5![Air Tahiti Nui logo]()
$2,148
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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.
Fri 5/78:00 am -
1 stop29h 45m
Fri 5/149:30 pm -
1 stop19h 26m
Deal found 11/6![Alaska Airlines logo]()
$1,108
This Jetabroad deal was found by Cheapflights users on 11/5. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:15 pm -
3 stops29h 00m
Sat 12/126:20 am -
3 stops34h 38m
Deal found 11/5![Air New Zealand logo]()
$2,269
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 5/43:40 pm -
1 stop21h 50m
Tue 6/2910:20 am -
1 stop27h 10m
Deal found 11/5![Alaska Airlines logo]()
$1,112
This United Airlines deal was found by Cheapflights users on 11/5. 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 2/225:30 pm -
1 stop20h 50m
Mon 3/19:15 am -
1 stop22h 54m
Deal found 11/5![United Airlines logo]()
$1,247
This Cathay Pacific deal was found by Cheapflights users on 11/8. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/37:00 am -
2 stops32h 50m
Sun 5/1612:10 am -
1 stop24h 55m
Deal found 11/8![Multiple Airlines logo]()
$1,306
This Delta deal was found by Cheapflights users on 11/8. 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.
Sat 12/512:31 pm -
1 stop24h 29m
Tue 12/1510:10 am -
1 stop29h 09m
Deal found 11/8![Delta logo]()
$1,337
This KLM deal was found by Cheapflights users on 11/8. 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 2/212:20 pm -
3 stops46h 05m
Thu 3/1111:50 am -
2 stops42h 45m
Deal found 11/8![KLM logo]()
$2,680
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Fri 11/277:35 pm -
1 stop17h 55m
Thu 12/1711:20 am -
1 stop29h 58m
Deal found 11/8![United Airlines logo]()
$1,253
This Fiji Airways deal was found by Cheapflights users on 11/9. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/125:57 pm -
2 stops23h 28m
Sun 2/281:55 pm -
2 stops24h 25m
Deal found 11/9![Multiple Airlines logo]()
$1,308
This Qatar Airways deal was found by Cheapflights users on 11/4. 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.
Wed 5/54:25 pm -
1 stop35h 10m
Sun 5/910:45 pm -
1 stop28h 40m
Deal found 11/4![Qatar Airways logo]()
$1,459
This Delta deal was found by Cheapflights users on 11/7. 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.
Thu 11/193:13 pm -
1 stop21h 47m
Mon 11/3010:10 am -
1 stop32h 43m
Deal found 11/7![Delta logo]()
$1,343
This Cathay Pacific deal was found by Cheapflights users on 11/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/24:49 pm -
2 stops38h 06m
Sat 2/208:30 am -
2 stops46h 12m
Deal found 11/9![Cathay Pacific logo]()
$1,482
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/17:00 am -
1 stop29h 00m
Thu 12/1711:20 am -
1 stop29h 39m
Deal found 11/6![United Airlines logo]()
$1,306
This lastminute.com deal was found by Cheapflights users on 11/5. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:03 pm -
2 stops29h 52m
Tue 12/86:25 am -
2 stops25h 07m
Deal found 11/5![Qantas Airways logo]()
$1,606
This Cathay Pacific deal was found by Cheapflights users on 11/7. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/411:53 am -
2 stops43h 02m
Mon 2/228:30 am -
1 stop40h 15m
Deal found 11/7![Cathay Pacific logo]()
$1,487
This Delta deal was found by Cheapflights users on 11/7. 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 3/39:20 am -
2 stops27h 40m
Wed 3/3111:00 am -
2 stops31h 11m
Deal found 11/7![Delta logo]()
$1,362
This Cathay Pacific deal was found by Cheapflights users on 11/6. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/19:15 pm -
2 stops41h 40m
Fri 3/512:25 am -
1 stop24h 20m
Deal found 11/6![Multiple Airlines logo]()
$1,394
This Qatar Airways deal was found by Cheapflights users on 11/9. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/319:05 am -
2 stops35h 15m
Sat 2/2010:45 pm -
1 stop28h 55m
Deal found 11/9![Qatar Airways logo]()
$1,576
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 1/2610:21 am -
2 stops32h 19m
Wed 2/106:20 am -
3 stops33h 57m
Deal found 11/4![United Airlines logo]()
$1,384
This Cathay Pacific deal was found by Cheapflights users on 11/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/610:25 am -
1 stop44h 30m
Wed 2/178:30 am -
1 stop40h 15m
Deal found 11/9![Cathay Pacific logo]()
$1,525
This Qatar Airways deal was found by Cheapflights users on 11/4. 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.
Wed 11/183:50 pm -
1 stop31h 40m
Sat 11/214:05 pm -
2 stops38h 10m
Deal found 11/4![Qatar Airways logo]()
$1,603
Last-minute flights from Seattle to AustraliaDiscover last-minute flight deals from Seattle to Australia. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Australia. Data last updated November 9, 2026 and is based on user searches.
This Globehunters deal was found by Cheapflights users on 11/4. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:30 pm -
1 stop41h 20m
Fri 11/2011:30 am -
1 stop26h 15m
Deal found 11/4![Philippine Airlines logo]()
$1,052
This Justfly.com deal was found by Cheapflights users on 11/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:30 pm -
1 stop41h 20m
Fri 11/2011:30 am -
1 stop26h 15m
Deal found 11/5![Philippine Airlines logo]()
$1,106
This Globehunters deal was found by Cheapflights users on 11/5. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop17h 45m
Thu 11/269:40 pm -
1 stop17h 40m
Deal found 11/5![Multiple Airlines logo]()
$1,135
This Philippine Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 11/69:30 pm -
1 stop41h 20m
Wed 11/1811:30 am -
1 stop26h 15m
Deal found 11/5![Philippine Airlines logo]()
$1,163
This Philippine Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/89:30 pm -
1 stop41h 20m
Fri 11/2011:30 am -
1 stop26h 15m
Deal found 11/5![Philippine Airlines logo]()
$1,113
This Philippine Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/89:30 pm -
1 stop41h 20m
Wed 11/1811:30 am -
1 stop26h 15m
Deal found 11/5![Philippine Airlines logo]()
$1,133
This Globehunters deal was found by Cheapflights users on 11/7. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:30 pm -
1 stop41h 20m
Wed 11/1811:30 am -
1 stop26h 15m
Deal found 11/7![Philippine Airlines logo]()
$1,076
This Globehunters deal was found by Cheapflights users on 11/5. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am -
1 stop17h 45m
Thu 11/199:40 pm -
1 stop27h 28m
Deal found 11/5![Multiple Airlines logo]()
$1,165
This Alaska Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 11/237:00 am -
1 stop17h 45m
Tue 12/19:40 pm -
1 stop20h 16m
Deal found 11/6![Multiple Airlines logo]()
$1,175
This SmartFares deal was found by Cheapflights users on 11/4. 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.
Tue 11/246:30 pm -
1 stop30h 15m
Tue 12/89:40 pm -
1 stop17h 36m
Deal found 11/4![Multiple Airlines logo]()
$1,124
This Philippine Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 11/299:30 pm -
1 stop41h 20m
Fri 1/2211:30 am -
1 stop26h 15m
Deal found 11/4![Philippine Airlines logo]()
$1,169
This Ovago deal was found by Cheapflights users on 11/6. 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.
Fri 12/43:55 pm -
2 stops25h 30m
Fri 12/111:25 pm -
2 stops23h 30m
Deal found 11/6![Multiple Airlines logo]()
$1,136
One-way flights from Seattle to AustraliaSearch for one-way flight options from Seattle to Australia. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
Search for one-way flight options from Seattle to Australia. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Mytrip deal was found by Cheapflights users on 11/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/289:30 pm -
1 stop41h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Philippine Airlines logo]()
$482
This Trip.com deal was found by Cheapflights users on 11/8. 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.
Mon 3/19:30 pm -
1 stop41h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Philippine Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Sun 2/288:40 am -
2 stops55h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$545
This Expedia deal was found by Cheapflights users on 11/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/179:40 pm -
1 stop39h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Alaska Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 4/210:15 am -
2 stops44h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$549
This Travelocity deal was found by Cheapflights users on 11/5. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/173:44 pm -
1 stop19h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$551
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:30 pm -
1 stop41h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Philippine Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 3/199:40 am -
1 stop32h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$563
This KAYAK deal was found by Cheapflights users on 11/4. 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.
Sun 11/299:30 pm -
1 stop41h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Philippine Airlines logo]()
$573
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/268:15 am -
1 stop27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Alaska Airlines logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 2/178:40 am -
3 stops49h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$584
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Sun 2/148:40 am -
2 stops50h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$588
Find flight deals from Seattle to Australia
Keep the following information in mind while searching for Seattle to Australia flight deals. Data was last updated November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $898 (Globehunters) |
One-way from | $482 (Mytrip) |
Popular in | December |
Cheapest in | September |
Average price | $1,149 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Australia 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 November 9, 2026.
Use the filters below to find and compare flights from Seattle to Australia 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 3/30
12:00 pm-6:30 am
1 stop24h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$551
SeattleMelbourne
SEA Seattle/Tacoma Intl - MEL Melbourne
SEAMEL
Seattle/Tacoma Intl
Sat 2/27
12:57 pm-9:30 am
2 stops25h 33m
Melbourne
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$589
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Fri 2/5
10:33 am-6:25 am
2 stops24h 52m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$604
SeattleBrisbane
SEA Seattle/Tacoma Intl - BNE Brisbane
SEABNE
Seattle/Tacoma Intl
Thu 2/4
8:30 am-7:30 am
2 stops29h 00m
Brisbane
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$628
SeattleBrisbane
SEA Seattle/Tacoma Intl - BNE Brisbane
SEABNE
Seattle/Tacoma Intl
Thu 1/28
11:26 am-5:50 am
2 stops24h 24m
Brisbane
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$636
SeattleHobart
SEA Seattle/Tacoma Intl - HBA Hobart
SEAHBA
Seattle/Tacoma Intl
Sun 2/7
12:45 pm-10:45 am
2 stops27h 00m
Hobart
Wed 12/31
12:00 am-5:00 am
Nonstop0h 00m
$640
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Sat 11/28
10:00 pm-7:00 am
2 stops38h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$642
SeattleBrisbane
SEA Seattle/Tacoma Intl - BNE Brisbane
SEABNE
Seattle/Tacoma Intl
Sat 12/5
2:07 pm-6:30 am
1 stop22h 23m
Brisbane
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$642
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Sat 11/21
11:59 pm-9:20 am
2 stops38h 21m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$642
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Wed 12/2
7:00 am-9:20 am
2 stops31h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$642
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Seattle with our price prediction graph.
SEA-SYD
SEA-BNE
SEA-HBA
SEA-MEL
SEA-PER
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 Australia
SEA-AU0
SEA-SYD
SEA-BNE
SEA-HBA
SEA-MEL
What is the cheapest month to book a flight from Seattle to Australia?
Currently, February is the cheapest month in which you can book a flight from Seattle to Australia (average of $1,059). Flying from Seattle to Australia in December is currently the most expensive (average of $1,792). 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 far ahead should I book a flight from Seattle to Australia?
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated November 9, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines,Delta, andQantas Airways from Seattle to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.3
Food
7.8
Crew
8.6
Entertainment
8.1
Comfort
8.0
Overall
8.2
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Boarding
8.3
Food
7.8
Crew
8.6
Entertainment
8.1
Comfort
8.0
Overall
8.2
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Boarding
8.3
Food
7.8
Crew
8.6
Entertainment
8.1
Comfort
8.0
Overall
8.2
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Boarding
8.3
Food
7.8
Crew
8.6
Entertainment
8.1
Comfort
8.0
Overall
8.2
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Boarding
8.3
Food
7.8
Crew
8.6
Entertainment
8.1
Comfort
8.0
Overall
8.2
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Boarding
8.3
Food
7.8
Crew
8.6
Entertainment
8.1
Comfort
8.0
Overall
8.2
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Related info for your journey
Find useful and relevant information for your journey from Seattle to Australia. 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 Australia
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Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Australia by cabin class
Find flights from Seattle to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Australia flights
Browse other Seattle and Australia flight options. Last updated on November 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Australia flights
Consider these flights traveling from Seattle to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 10 airlines flying from Seattle to Australia
Discover the top 10 airlines that operate flights from Seattle to Australia. 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 November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$570 | Average$1,429 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$796 | Average$1,146 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$819 | Average$1,297 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$888 | Average$1,320 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$947 | Average$1,383 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$975 | Average$1,089 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,001 | Average$1,032 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,091 | Average$1,479 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,153 | Average$1,339 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$1,232 | Average$1,381 | FlexibilityNo cancel fee | On-time81% |