$494+ Cheap flights from Washington 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Cheapest flights from Washington to AustraliaExplore the most affordable flight options available from Washington to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from Washington to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This lol.travel deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:05 pm -
1 stop19h 30m
Sun 11/811:20 am -
1 stop22h 17m
Deal found 9/23![Air Canada logo]()
$905
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:00 pm -
1 stop23h 20m
Mon 10/2610:20 am -
1 stop22h 17m
Deal found 9/18![Air Canada logo]()
$915
This lol.travel deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:05 pm -
1 stop19h 30m
Sun 11/89:00 am -
2 stops19h 32m
Deal found 9/23![Multiple Airlines logo]()
$918
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:15 pm -
1 stop19h 05m
Sun 11/16:20 am -
2 stops22h 12m
Deal found 9/18![Multiple Airlines logo]()
$925
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:15 pm -
1 stop23h 20m
Wed 11/189:00 am -
2 stops19h 32m
Deal found 9/19![Air Canada logo]()
$930
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:15 pm -
1 stop19h 05m
Wed 11/46:55 am -
2 stops21h 37m
Deal found 9/18![Multiple Airlines logo]()
$948
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/293:15 pm -
1 stop23h 20m
Wed 12/167:30 am -
2 stops21h 02m
Deal found 9/18![Multiple Airlines logo]()
$949
This lol.travel deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:05 pm -
1 stop19h 40m
Tue 11/1010:45 am -
1 stop16h 47m
Deal found 9/19![Air Canada logo]()
$979
This lol.travel deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:10 am -
1 stop28h 35m
Wed 11/2510:45 am -
1 stop25h 37m
Deal found 9/22![Air Canada logo]()
$995
This Expedia deal was found by Cheapflights users on 9/19. 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.
Sun 10/187:15 pm -
1 stop18h 50m
Sun 11/110:45 am -
1 stop25h 37m
Deal found 9/19![Air Canada logo]()
$997
This Air Canada deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:15 pm -
1 stop18h 50m
Tue 10/279:45 am -
1 stop16h 42m
Deal found 9/22![Air Canada logo]()
$998
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/187:55 pm -
1 stop18h 10m
Sun 11/110:45 am -
1 stop16h 47m
Deal found 9/20![Multiple Airlines logo]()
$1,015
Best flights from Washington to AustraliaDiscover carefully curated flight deals from Washington to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Washington to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This FlightHub deal was found by Cheapflights users on 9/23. 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.
Sun 2/1411:26 am -
1 stop27h 19m
Sat 2/276:05 pm -
2 stops33h 27m
Deal found 9/23![Multiple Airlines logo]()
$1,032
This Delta deal was found by Cheapflights users on 9/19. 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 10/289:42 am -
2 stops27h 38m
Thu 11/1910:40 am -
2 stops25h 13m
Deal found 9/19![Delta logo]()
$1,114
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:05 pm -
1 stop24h 25m
Mon 11/3011:20 am -
1 stop17h 18m
Deal found 9/20![United Airlines logo]()
$1,127
This FlightHub deal was found by Cheapflights users on 9/23. 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.
Fri 10/231:57 pm -
1 stop22h 28m
Fri 10/301:05 pm -
1 stop25h 38m
Deal found 9/23![Qantas Airways logo]()
$1,192
This oojo deal was found by Cheapflights users on 9/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:59 pm -
2 stops44h 26m
Thu 11/1212:05 pm -
2 stops23h 46m
Deal found 9/21![Air New Zealand logo]()
$1,297
This oojo deal was found by Cheapflights users on 9/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:50 pm -
1 stop34h 55m
Sat 11/1410:45 pm -
1 stop28h 55m
Deal found 9/18![Qatar Airways logo]()
$1,370
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 10/3111:25 am -
1 stop41h 40m
Wed 11/43:30 pm -
1 stop36h 15m
Deal found 9/19![Cathay Pacific logo]()
$1,375
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:40 am -
2 stops44h 20m
Wed 11/46:10 am -
2 stops21h 52m
Deal found 9/19![Air Canada logo]()
$1,454
This Singapore Airlines deal was found by Cheapflights users on 9/18. 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.
Sat 10/319:40 am -
1 stop28h 45m
Tue 11/31:50 pm -
1 stop33h 15m
Deal found 9/18![Singapore Airlines logo]()
$1,671
This Qantas Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:51 pm -
1 stop24h 09m
Wed 11/119:25 pm -
2 stops20h 31m
Deal found 9/19![Multiple Airlines logo]()
$1,059
This Turkish Airlines deal was found by Cheapflights users on 9/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:05 pm -
2 stops53h 20m
Sat 1/29:35 pm -
2 stops38h 35m
Deal found 9/21![Turkish Airlines logo]()
$2,182
This Delta deal was found by Cheapflights users on 9/22. 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 11/66:00 am -
2 stops32h 30m
Fri 11/1310:40 am -
1 stop23h 05m
Deal found 9/22![Delta logo]()
$1,129
This United Airlines deal was found by Cheapflights users on 9/23. 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 11/231:49 pm -
2 stops24h 31m
Sun 12/611:50 am -
1 stop18h 38m
Deal found 9/23![United Airlines logo]()
$1,130
This Qantas Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/161:23 pm -
2 stops22h 12m
Tue 6/810:20 am -
2 stops21h 16m
Deal found 9/19![Multiple Airlines logo]()
$1,060
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:05 pm -
1 stop24h 25m
Mon 11/2311:20 am -
2 stops27h 51m
Deal found 9/19![United Airlines logo]()
$1,132
This Qantas Airways deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/169:14 am -
3 stops26h 11m
Tue 2/232:05 pm -
1 stop25h 37m
Deal found 9/21![Multiple Airlines logo]()
$1,060
This Delta deal was found by Cheapflights users on 9/23. 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 11/79:42 am -
2 stops27h 48m
Sat 11/1410:40 am -
2 stops25h 13m
Deal found 9/23![Delta logo]()
$1,204
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:00 am -
2 stops32h 30m
Sun 11/2211:20 am -
2 stops27h 51m
Deal found 9/19![United Airlines logo]()
$1,132
This Cathay Pacific deal was found by Cheapflights users on 9/21. 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 11/2410:25 am -
1 stop28h 10m
Wed 12/28:45 am -
2 stops43h 15m
Deal found 9/21![Cathay Pacific logo]()
$1,387
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/223:13 pm -
1 stop21h 47m
Thu 12/310:10 am -
1 stop21h 32m
Deal found 9/19![Delta logo]()
$1,220
This Qantas Airways deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/191:23 pm -
2 stops22h 02m
Mon 3/82:05 pm -
1 stop25h 37m
Deal found 9/20![Multiple Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/204:08 pm -
2 stops45h 22m
Thu 12/311:20 am -
2 stops24h 33m
Deal found 9/20![United Airlines logo]()
$1,147
This Ovago deal was found by Cheapflights users on 9/23. 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.
Sat 11/73:15 pm -
3 stops30h 55m
Sat 11/146:05 am -
3 stops31h 41m
Deal found 9/23![Air New Zealand logo]()
$1,590
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Sun 10/116:10 am -
2 stops33h 40m
Sun 10/258:30 am -
2 stops49h 01m
Deal found 9/19![Cathay Pacific logo]()
$1,501
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/125:00 am -
2 stops32h 30m
Wed 11/2511:20 am -
2 stops27h 51m
Deal found 9/20![United Airlines logo]()
$1,147
This Ovago deal was found by Cheapflights users on 9/21. 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.
Thu 11/54:59 pm -
2 stops24h 36m
Thu 11/1212:35 pm -
2 stops29h 07m
Deal found 9/21![Multiple Airlines logo]()
$1,159
This Delta deal was found by Cheapflights users on 9/18. 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 10/1612:30 pm -
1 stop26h 20m
Fri 10/2311:00 am -
2 stops29h 05m
Deal found 9/18![Delta logo]()
$1,286
This Qatar Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:50 pm -
1 stop34h 55m
Tue 11/310:45 pm -
1 stop28h 55m
Deal found 9/19![Qatar Airways logo]()
$1,778
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:00 am -
2 stops32h 30m
Tue 11/247:55 am -
2 stops31h 02m
Deal found 9/19![United Airlines logo]()
$1,155
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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.
Wed 11/1810:25 am -
2 stops35h 30m
Mon 11/303:40 pm -
2 stops59h 05m
Deal found 9/19![Cathay Pacific logo]()
$1,551
Last-minute flights from Washington to AustraliaDiscover last-minute flight deals from Washington to Australia. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Washington to Australia. Data last updated September 24, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/19. 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.
Sun 10/187:15 pm -
1 stop18h 50m
Sun 11/110:45 am -
1 stop25h 37m
Deal found 9/19![Air Canada logo]()
$997
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 10/187:55 pm -
1 stop18h 10m
Sun 11/110:45 am -
1 stop16h 47m
Deal found 9/20![Multiple Airlines logo]()
$1,015
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:05 pm -
1 stop24h 25m
Thu 12/311:20 am -
1 stop18h 08m
Deal found 9/20![United Airlines logo]()
$1,127
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:15 pm -
1 stop19h 05m
Sun 11/16:20 am -
2 stops22h 12m
Deal found 9/18![Multiple Airlines logo]()
$925
This Air Canada deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:15 pm -
1 stop18h 50m
Tue 10/279:45 am -
1 stop16h 42m
Deal found 9/22![Air Canada logo]()
$998
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:00 pm -
1 stop23h 20m
Mon 10/2610:20 am -
1 stop22h 17m
Deal found 9/18![Air Canada logo]()
$915
This Air Canada deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:15 pm -
1 stop19h 05m
Wed 11/46:55 am -
2 stops21h 37m
Deal found 9/18![Multiple Airlines logo]()
$948
This lol.travel deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:05 pm -
1 stop19h 30m
Sun 11/811:20 am -
1 stop22h 17m
Deal found 9/23![Air Canada logo]()
$905
This lol.travel deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:05 pm -
1 stop19h 30m
Sun 11/89:00 am -
2 stops19h 32m
Deal found 9/23![Multiple Airlines logo]()
$918
This FlightHub deal was found by Cheapflights users on 9/19. 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.
Wed 10/282:51 pm -
1 stop24h 09m
Tue 11/102:05 pm -
1 stop25h 35m
Deal found 9/19![Qantas Airways logo]()
$1,050
This Qantas Airways deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:51 pm -
1 stop24h 09m
Wed 11/119:25 pm -
2 stops20h 31m
Deal found 9/19![Multiple Airlines logo]()
$1,059
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Wed 10/281:57 pm -
2 stops25h 03m
Tue 11/1011:15 am -
2 stops24h 24m
Deal found 9/19![American Airlines logo]()
$1,092
One-way flights from Washington to AustraliaSearch for one-way flight options from Washington to Australia. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Washington to Australia. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:09 pm -
1 stop39h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:09 pm -
1 stop39h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$506
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:09 pm -
1 stop40h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$530
This oojo deal was found by Cheapflights users on 9/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:45 pm -
2 stops23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Qantas Airways logo]()
$532
This Jetabroad deal was found by Cheapflights users on 9/22. 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.
Mon 11/169:30 pm -
1 stop41h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Philippine Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:00 pm -
1 stop41h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$533
This oojo deal was found by Cheapflights users on 9/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:37 pm -
1 stop24h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Qantas Airways logo]()
$534
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:09 pm -
1 stop39h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$535
This oojo deal was found by Cheapflights users on 9/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:51 pm -
1 stop22h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$536
This oojo deal was found by Cheapflights users on 9/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:59 pm -
1 stop20h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Qantas Airways logo]()
$539
This FlightHub deal was found by Cheapflights users on 9/21. 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 11/95:59 pm -
1 stop20h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$541
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 10/2711:44 am -
2 stops24h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$543
Find flight deals from Washington to Australia
Keep the following information in mind while searching for Washington to Australia flight deals. Data was last updated September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $905 (lol.travel) |
One-way from | $494 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $1,041 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington 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 September 24, 2026.
Use the filters below to find and compare flights from Washington 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
Wed 11/18
1:35 pm-9:00 am
1 stop24h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$534
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Mon 10/26
6:30 pm-8:40 am
1 stop20h 10m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$544
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Mon 11/16
9:25 am-8:30 am
2 stops28h 05m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$548
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Wed 12/2
5:05 am-9:05 am
2 stops33h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$548
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Mon 11/16
8:30 am-9:05 am
2 stops29h 35m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$548
SeattleSydney
SEA Seattle/Tacoma Intl - SYD Sydney Kingsford Smith
SEASYD
Seattle/Tacoma Intl
Wed 11/18
12:45 pm-9:05 am
2 stops25h 20m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$548
SpokaneSydney
GEG Spokane - SYD Sydney Kingsford Smith
GEGSYD
Spokane
Tue 10/20
1:57 pm-6:25 am
1 stop22h 28m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$552
SpokaneSydney
GEG Spokane - SYD Sydney Kingsford Smith
GEGSYD
Spokane
Mon 12/7
5:18 pm-9:00 am
1 stop20h 42m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$574
SeattlePerth
SEA Seattle/Tacoma Intl - PER Perth
SEAPER
Seattle/Tacoma Intl
Sat 11/7
3:40 pm-3:40 am
2 stops44h 00m
Perth
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$582
SpokaneSydney
GEG Spokane - SYD Sydney Kingsford Smith
GEGSYD
Spokane
Tue 12/8
12:30 pm-9:20 am
1 stop25h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$582
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Washington with our price prediction graph.
SEA-BNE
SEA-SYD
GEG-BNE
GEG-SYD
SEA-ADL
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 Washington to Australia
USWA-AU0
SEA-BNE
SEA-SYD
GEG-BNE
GEG-SYD
What is the cheapest month to book a flight from State of Washington to Australia?
Currently, February is the cheapest month in which you can book a flight from State of Washington to Australia (average of $1,034). Flying from State of Washington to Australia in December is currently the most expensive (average of $1,700). 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 State of Washington to Australia?
The best time to book flights from State of Washington to Australia is 23 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.
Related info for your journey
Find useful and relevant information for your journey from Washington to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Alternative routes for Washington to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington to Australia by cabin class
Find flights from Washington to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington and Australia flights
Browse other Washington and Australia flight options. Last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Australia
Find the right flight back to Washington after your stay in Australia
Washington to Australia flights
Consider these flights traveling from Washington to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 10 airlines flying from Washington to Australia
Discover the top 10 airlines that operate flights from Washington 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 September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$97 | Average$1,515 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$570 | Average$1,516 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$583 | Average$632 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$598 | Average$1,273 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$796 | Average$1,145 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$805 | Average$1,328 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$822 | Average$919 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$947 | Average$1,450 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$975 | Average$1,129 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,153 | Average$1,339 | FlexibilityNo cancel fee | On-time72% |