$482+ 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 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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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 November 9, 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 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 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 November 9, 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 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 Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/283:40 pm -
2 stops46h 50m
Wed 3/179:35 am -
2 stops20h 27m
Deal found 11/6![Delta logo]()
$1,171
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.
Fri 3/56:37 pm -
2 stops42h 53m
Wed 3/1710:20 am -
1 stop18h 45m
Deal found 11/6![United Airlines logo]()
$1,210
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/66:18 pm -
1 stop41h 07m
Wed 2/1711:20 am -
1 stop25h 01m
Deal found 11/7![Qantas Airways logo]()
$1,346
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 Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/209:00 am -
2 stops29h 45m
Wed 2/2410:45 am -
2 stops44h 07m
Deal found 11/4![Air Canada 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.
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 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.
Fri 3/56:37 pm -
2 stops42h 53m
Mon 3/1510:20 am -
2 stops27h 57m
Deal found 11/6![United Airlines logo]()
$1,210
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 FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/194:47 pm -
1 stop18h 38m
Mon 3/811:20 am -
1 stop25h 01m
Deal found 11/5![Multiple Airlines logo]()
$1,290
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 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.
Sat 2/275:05 am -
2 stops32h 25m
Tue 3/1610:20 am -
2 stops24h 12m
Deal found 11/6![United Airlines logo]()
$1,210
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 Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/191:48 pm -
1 stop21h 37m
Mon 3/811:15 am -
2 stops28h 44m
Deal found 11/9![Alaska Airlines logo]()
$1,117
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 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 11/8. 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 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 3/21:54 pm -
2 stops47h 36m
Tue 3/1610:20 am -
1 stop18h 45m
Deal found 11/6![United Airlines logo]()
$1,226
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 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 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 11/7. 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 Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/37:00 am -
1 stop30h 30m
Sun 4/1110:20 am -
1 stop29h 05m
Deal found 11/4![Alaska Airlines logo]()
$1,232
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
Last-minute flights from Washington to AustraliaDiscover last-minute flight deals from Washington to Australia. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Washington 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 Washington to AustraliaSearch for one-way flight options from Washington to Australia. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
Search for one-way flight options from Washington 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 Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/147:01 am -
2 stops29h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Alaska Airlines logo]()
$505
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:01 am -
2 stops28h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Alaska Airlines logo]()
$521
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
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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $966 (Trip.com) |
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 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 November 9, 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
SpokaneSydney
GEG Spokane - SYD Sydney Kingsford Smith
GEGSYD
Spokane
Sun 3/14
7:01 am-6:25 am
2 stops29h 24m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$505
SpokaneSydney
GEG Spokane - SYD Sydney Kingsford Smith
GEGSYD
Spokane
Sat 12/5
7:01 am-6:25 am
2 stops28h 24m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$521
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
SpokaneSydney
GEG Spokane - SYD Sydney Kingsford Smith
GEGSYD
Spokane
Mon 3/1
4:47 pm-8:15 pm
3 stops56h 28m
Sydney Kingsford Smith
Wed 12/31
12:00 am-6:00 am
Nonstop0h 00m
$624
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
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
Quickest round-trip
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
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-SYD
SEA-CBR
GEG-SYD
SEA-BNE
SEA-MEL
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-SYD
SEA-CBR
GEG-SYD
SEA-BNE
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 $1,059). Flying from State of Washington 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 State of Washington to Australia?
The best time to book flights from State of Washington to Australia is 88 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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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 November 9, 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 November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$598 | Average$1,227 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$777 | Average$1,430 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$795 | Average$1,144 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$819 | Average$1,265 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$949 | Average$1,411 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$975 | Average$1,089 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,008 | Average$1,040 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,159 | Average$1,479 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,232 | Average$1,381 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,240 | Average$1,821 | FlexibilityNo cancel fee | On-time68% |