$497+ Cheap flights from Washington, D.C. (WAS) to Australia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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Cheapest flights from Washington, D.C. to AustraliaExplore the most affordable flight options available from Washington, D.C. to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
Explore the most affordable flight options available from Washington, D.C. to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Wed 8/1211:11 am
IAD
- BNE
3 stops33h 24m
Multiple Airlines
Wed 8/1911:35 am
BNE
- IAD
3 stops43h 39m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,006
This Trip.com deal was found by Cheapflights users on 6/28. 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.
Wed 8/1211:11 am
IAD
- SYD
3 stops34h 39m
Multiple Airlines
Wed 8/191:15 pm
SYD
- IAD
3 stops41h 59m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,015
This Trip.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:25 am
BWI
- BNE
3 stops38h 15m
Multiple Airlines
Thu 8/2011:55 am
BNE
- BWI
3 stops38h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,078
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Fri 8/147:00 am
DCA
- BNE
3 stops37h 35m
Multiple Airlines
Sat 8/2911:55 am
BNE
- DCA
3 stops38h 56m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,095
This Trip.com deal was found by Cheapflights users on 7/3. 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 8/1711:10 am
IAD
- SYD
3 stops34h 40m
Multiple Airlines
Mon 8/241:15 pm
SYD
- IAD
3 stops32h 49m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,118
This Trip.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Tue 8/181:25 pm
MEL
- IAD
3 stops41h 49m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,120
This oojo deal was found by Cheapflights users on 7/3. 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 8/173:55 pm
BWI
- SYD
1 stop25h 00m
Qantas Airways
Mon 8/2412:00 pm
SYD
- BWI
1 stop25h 41m
Qantas Airways
Deal found 7/3![Qantas Airways logo]()
$1,127
This Trip.com deal was found by Cheapflights users on 7/3. 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 8/177:00 am
DCA
- SYD
3 stops38h 50m
Multiple Airlines
Mon 8/241:15 pm
SYD
- DCA
3 stops41h 44m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,129
This Trip.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:05 am
IAD
- SYD
3 stops34h 45m
Multiple Airlines
Fri 8/211:15 pm
SYD
- IAD
3 stops32h 49m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,131
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Fri 8/1411:10 am
IAD
- BNE
3 stops33h 25m
Multiple Airlines
Sat 8/2911:55 am
BNE
- IAD
3 stops43h 19m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,131
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Wed 8/1911:05 am
IAD
- SYD
3 stops34h 45m
Multiple Airlines
Thu 8/271:15 pm
SYD
- IAD
3 stops41h 59m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,135
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Wed 8/127:48 am
IAD
- BNE
3 stops36h 47m
Multiple Airlines
Wed 8/2611:35 am
BNE
- IAD
3 stops42h 32m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,137
Best flights from Washington, D.C. to AustraliaDiscover carefully curated flight deals from Washington, D.C. to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
Discover carefully curated flight deals from Washington, D.C. to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/273:03 pm
BWI
- SYD
2 stops25h 57m
United Airlines
Wed 8/510:20 am
SYD
- BWI
1 stop21h 37m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,186
This Delta deal was found by Cheapflights users on 7/1. 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 8/92:18 pm
BWI
- SYD
2 stops26h 32m
Delta
Sun 8/239:15 am
SYD
- BWI
2 stops28h 03m
Delta
Deal found 7/1![Delta logo]()
$1,190
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 9/287:00 am
IAD
- MEL
2 stops33h 45m
Alaska Airlines
Mon 10/59:45 am
MEL
- IAD
2 stops29h 14m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$1,412
This FlightHub deal was found by Cheapflights users on 6/28. 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 9/68:15 am
IAD
- BNE
2 stops32h 50m
Air Canada
Tue 9/1510:15 am
BNE
- IAD
2 stops25h 03m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,477
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/215:47 pm
IAD
- SYD
2 stops35h 03m
Multiple Airlines
Sun 8/308:45 pm
SYD
- IAD
2 stops33h 59m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,504
This Turkish Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 8/151:20 pm
IAD
- MEL
2 stops40h 20m
Turkish Airlines
Mon 9/79:35 pm
MEL
- IAD
2 stops52h 00m
Turkish Airlines
Deal found 7/2![Turkish Airlines logo]()
$1,612
This Qantas Airways deal was found by Cheapflights users on 6/29. 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 8/193:55 pm
BWI
- BNE
2 stops32h 40m
Qantas Airways
Sat 9/56:15 pm
BNE
- BWI
2 stops39h 14m
Qantas Airways
Deal found 6/29![Qantas Airways logo]()
$1,630
This Emirates deal was found by Cheapflights users on 6/28. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:55 am
IAD
- SYD
1 stop29h 10m
Emirates
Fri 9/186:00 am
SYD
- IAD
1 stop40h 40m
Emirates
Deal found 6/28![Emirates logo]()
$1,832
This Cathay Pacific deal was found by Cheapflights users on 7/3. 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 9/2611:31 am
DCA
- BNE
2 stops44h 59m
Cathay Pacific
Sat 10/1012:20 pm
BNE
- DCA
2 stops49h 39m
Cathay Pacific
Deal found 7/3![Cathay Pacific logo]()
$1,965
This JetBlue deal was found by Cheapflights users on 6/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:05 pm
IAD
- BNE
1 stop30h 25m
JetBlue
Wed 11/259:55 pm
BNE
- IAD
1 stop33h 00m
JetBlue
Deal found 6/29![JetBlue logo]()
$2,039
This Qatar Airways deal was found by Cheapflights users on 6/29. 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 8/199:00 pm
IAD
- BNE
1 stop30h 30m
Qatar Airways
Sat 9/510:10 pm
BNE
- IAD
1 stop31h 30m
Qatar Airways
Deal found 6/29![Qatar Airways logo]()
$2,079
This Delta deal was found by Cheapflights users on 7/2. 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 8/210:33 am
BWI
- SYD
2 stops30h 17m
Delta
Sun 8/239:15 am
SYD
- BWI
2 stops28h 03m
Delta
Deal found 7/2![Delta logo]()
$1,190
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/97:23 pm
BWI
- SYD
1 stop21h 37m
United Airlines
Sun 8/2310:20 am
SYD
- BWI
2 stops26h 40m
United Airlines
Deal found 7/3![United Airlines logo]()
$1,190
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/266:38 am
BWI
- SYD
1 stop34h 17m
United Airlines
Sun 8/169:30 am
SYD
- BWI
1 stop21h 05m
United Airlines
Deal found 6/29![United Airlines logo]()
$1,197
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 9/289:30 am
DCA
- MEL
1 stop31h 15m
Alaska Airlines
Mon 10/59:45 am
MEL
- DCA
1 stop25h 15m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$1,425
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/163:04 pm
BWI
- MEL
2 stops27h 11m
United Airlines
Sun 8/239:30 am
MEL
- BWI
1 stop21h 05m
United Airlines
Deal found 7/2![United Airlines logo]()
$1,199
This Alaska Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:59 pm
DCA
- SYD
2 stops33h 51m
Multiple Airlines
Thu 8/278:45 pm
SYD
- DCA
2 stops37h 15m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,540
This Air Canada deal was found by Cheapflights users on 6/30. 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 10/173:45 pm
IAD
- BNE
2 stops25h 20m
Air Canada
Thu 11/1210:45 am
BNE
- IAD
2 stops24h 38m
Air Canada
Deal found 6/30![Air Canada logo]()
$1,549
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/285:44 pm
BWI
- MEL
1 stop23h 46m
United Airlines
Wed 9/1610:55 am
MEL
- BWI
2 stops24h 34m
United Airlines
Deal found 7/3![United Airlines logo]()
$1,203
This Qantas Airways deal was found by Cheapflights users on 7/3. 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.
Thu 9/247:31 pm
BWI
- BNE
2 stops31h 49m
Qantas Airways
Wed 10/78:20 am
BNE
- BWI
2 stops25h 06m
Qantas Airways
Deal found 7/3![Qantas Airways logo]()
$1,650
This Turkish Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 9/49:45 pm
IAD
- SYD
2 stops31h 25m
Turkish Airlines
Sun 12/209:30 pm
SYD
- IAD
2 stops37h 55m
Turkish Airlines
Deal found 6/28![Turkish Airlines logo]()
$1,660
This Ovago deal was found by Cheapflights users on 7/2. 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.
Tue 9/158:29 am
IAD
- AVV
2 stops39h 41m
Multiple Airlines
Tue 9/228:55 pm
AVV
- IAD
2 stops37h 30m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,553
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:18 pm
BWI
- MEL
2 stops25h 12m
United Airlines
Sun 9/279:30 am
MEL
- BWI
1 stop21h 07m
United Airlines
Deal found 7/1![United Airlines logo]()
$1,203
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:30 am
DCA
- MEL
1 stop31h 15m
Alaska Airlines
Sat 9/59:45 am
MEL
- DCA
1 stop24h 15m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$1,638
This Qantas Airways deal was found by Cheapflights users on 7/1. 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.
Thu 8/67:20 pm
BWI
- BNE
2 stops28h 20m
Qantas Airways
Mon 8/247:55 am
BNE
- BWI
2 stops29h 46m
Qantas Airways
Deal found 7/1![Qantas Airways logo]()
$1,680
This Emirates deal was found by Cheapflights users on 6/28. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:55 am
IAD
- SYD
1 stop40h 35m
Emirates
Sun 12/209:10 pm
SYD
- IAD
1 stop51h 00m
Emirates
Deal found 6/28![Emirates logo]()
$1,932
This United Airlines deal was found by Cheapflights users on 6/29. 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 9/284:13 pm
BWI
- MEL
2 stops26h 02m
United Airlines
Mon 10/511:55 am
MEL
- BWI
2 stops26h 04m
United Airlines
Deal found 6/29![United Airlines logo]()
$1,203
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 9/199:30 am
DCA
- MEL
1 stop31h 15m
Alaska Airlines
Sat 9/269:45 am
MEL
- DCA
1 stop24h 15m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$1,639
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/25:00 pm
DCA
- SYD
2 stops35h 50m
Multiple Airlines
Sun 8/238:45 pm
SYD
- DCA
2 stops37h 15m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,676
This Qantas Airways deal was found by Cheapflights users on 7/1. 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.
Thu 8/67:20 pm
BWI
- BNE
2 stops28h 20m
Qantas Airways
Sat 8/227:35 am
BNE
- BWI
2 stops27h 59m
Qantas Airways
Deal found 7/1![Qantas Airways logo]()
$1,730
Last-minute flights from Washington, D.C. to AustraliaDiscover last-minute flight deals from Washington, D.C. to Australia. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Australia. Data last updated July 3, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Tue 8/181:25 pm
MEL
- IAD
3 stops41h 49m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,120
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Wed 8/1211:11 am
IAD
- BNE
3 stops33h 24m
Multiple Airlines
Wed 8/1911:35 am
BNE
- IAD
3 stops43h 39m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,006
This Trip.com deal was found by Cheapflights users on 6/28. 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.
Wed 8/1211:11 am
IAD
- SYD
3 stops34h 39m
Multiple Airlines
Wed 8/191:15 pm
SYD
- IAD
3 stops41h 59m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,015
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Wed 8/127:48 am
IAD
- BNE
3 stops36h 47m
Multiple Airlines
Wed 8/2611:35 am
BNE
- IAD
3 stops42h 32m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,137
This Trip.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:25 am
BWI
- BNE
3 stops38h 15m
Multiple Airlines
Thu 8/2011:55 am
BNE
- BWI
3 stops38h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,078
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Fri 8/147:00 am
DCA
- BNE
3 stops37h 35m
Multiple Airlines
Sat 8/2911:55 am
BNE
- DCA
3 stops38h 56m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,095
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Fri 8/1411:10 am
IAD
- BNE
3 stops33h 25m
Multiple Airlines
Sat 8/2911:55 am
BNE
- IAD
3 stops43h 19m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,131
This Trip.com deal was found by Cheapflights users on 7/3. 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 8/1711:10 am
IAD
- SYD
3 stops34h 40m
Multiple Airlines
Mon 8/241:15 pm
SYD
- IAD
3 stops32h 49m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,118
This oojo deal was found by Cheapflights users on 7/3. 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 8/173:55 pm
BWI
- SYD
1 stop25h 00m
Qantas Airways
Mon 8/2412:00 pm
SYD
- BWI
1 stop25h 41m
Qantas Airways
Deal found 7/3![Qantas Airways logo]()
$1,127
This Trip.com deal was found by Cheapflights users on 7/3. 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 8/177:00 am
DCA
- SYD
3 stops38h 50m
Multiple Airlines
Mon 8/241:15 pm
SYD
- DCA
3 stops41h 44m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,129
This Trip.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:05 am
IAD
- SYD
3 stops34h 45m
Multiple Airlines
Fri 8/211:15 pm
SYD
- IAD
3 stops32h 49m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$1,131
This Trip.com deal was found by Cheapflights users on 7/2. 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.
Wed 8/1911:05 am
IAD
- SYD
3 stops34h 45m
Multiple Airlines
Thu 8/271:15 pm
SYD
- IAD
3 stops41h 59m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$1,135
One-way flights from Washington, D.C. to AustraliaSearch for one-way flight options from Washington, D.C. to Australia. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
Search for one-way flight options from Washington, D.C. to Australia. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Trip.com deal was found by Cheapflights users on 6/29. 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.
Wed 8/1911:05 am
IAD
- MEL
3 stops34h 55m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$497
This Trip.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$499
This Trip.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:20 am
IAD
- MEL
3 stops39h 40m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$503
This Trip.com deal was found by Cheapflights users on 6/29. 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 8/177:00 am
DCA
- MEL
3 stops39h 25m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 9/2210:23 am
BWI
- SYD
3 stops35h 27m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/119:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 9/227:00 am
DCA
- SYD
3 stops38h 50m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/1911:05 am
IAD
- SYD
3 stops34h 45m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 9/237:00 am
DCA
- SYD
3 stops38h 50m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/1711:10 am
IAD
- SYD
3 stops34h 40m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:09 am
BWI
- SYD
3 stops34h 41m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/176:00 pm
DCA
- SYD
3 stops51h 50m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$520
Find flight deals from Washington, D.C. to Australia
Keep the following information in mind while searching for Washington, D.C. to Australia flight deals. Data was last updated July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,006 (Trip.com) |
One-way from | $497 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,456 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 2,558,603 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Mon 7/27
3:03 pm-7:00 am
2 stops25h 57m
Sydney Kingsford Smith
Wed 8/5
10:20 am-5:57 pm
1 stop21h 37m
$1,186
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Sun 8/9
2:18 pm-6:50 am
2 stops26h 32m
Sydney Kingsford Smith
Sun 8/23
9:15 am-11:18 pm
2 stops28h 03m
$1,190
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Sun 8/2
10:33 am-6:50 am
2 stops30h 17m
Sydney Kingsford Smith
Sun 8/23
9:15 am-11:18 pm
2 stops28h 03m
$1,190
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Sun 8/9
7:23 pm-7:00 am
1 stop21h 37m
Sydney Kingsford Smith
Sun 8/23
10:20 am-11:00 pm
2 stops26h 40m
$1,190
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Sun 7/26
6:38 am-6:55 am
1 stop34h 17m
Sydney Kingsford Smith
Sun 8/16
9:30 am-4:35 pm
1 stop21h 05m
$1,197
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Sun 8/16
3:04 pm-8:15 am
2 stops27h 11m
Melbourne
Sun 8/23
9:30 am-4:35 pm
1 stop21h 05m
$1,199
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Fri 8/28
5:44 pm-7:30 am
1 stop23h 46m
Melbourne
Wed 9/16
10:55 am-9:29 pm
2 stops24h 34m
$1,203
Quickest round-trip
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Wed 9/16
4:18 pm-7:30 am
2 stops25h 12m
Melbourne
Sun 9/27
9:30 am-4:37 pm
1 stop21h 07m
$1,203
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Mon 9/28
4:13 pm-8:15 am
2 stops26h 02m
Melbourne
Mon 10/5
11:55 am-10:59 pm
2 stops26h 04m
$1,203
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Mon 9/28
7:00 am-6:45 am
2 stops33h 45m
Melbourne
Mon 10/5
9:45 am-11:59 pm
2 stops29h 14m
$1,412
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Washington, D.C. with our price prediction graph.
IAD-MEL
DCA-MEL
BWI-SYD
IAD-SYD
DCA-SYD
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, D.C. to Australia
WAS-AU0
IAD-MEL
DCA-MEL
BWI-SYD
IAD-SYD
What is the cheapest month to book a flight from Washington, D.C. to Australia?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Australia (average of $78). Flying from Washington, D.C. to Australia in June is currently the most expensive (average of $365). 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 Washington, D.C. to Australia?
The price you pay for your flight from Washington, D.C. to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 July 3, 2026.
See what other customers who have flown with Air New Zealand,Delta, andQantas Airways from Washington, D.C. to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.4
Entertainment
7.4
Reviews
1 / 20
2.0
MediocreViren,Jun 2026
MEL - LAX
Overall
8.0
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.4
Entertainment
7.4
Reviews
1 / 20
2.0
MediocreViren,Jun 2026
MEL - LAX
Overall
8.0
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.4
Entertainment
7.4
Reviews
1 / 20
2.0
MediocreViren,Jun 2026
MEL - LAX
Overall
8.0
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.4
Entertainment
7.4
Reviews
1 / 20
2.0
MediocreViren,Jun 2026
MEL - LAX
Overall
8.0
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.4
Entertainment
7.4
Reviews
1 / 20
2.0
MediocreViren,Jun 2026
MEL - LAX
Overall
8.0
Boarding
8.2
Comfort
7.9
Crew
8.5
Food
7.4
Entertainment
7.4
Reviews
1 / 20
2.0
MediocreViren,Jun 2026
MEL - LAX
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C. 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 Washington, D.C. to Australia by cabin class
Find flights from Washington, D.C. to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and Australia flights
Browse other Washington, D.C. and Australia flight options. Last updated on July 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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Consider these flights traveling from Washington, D.C. to Australia.
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Consider these flights traveling to Australia regions.
Top 7 airlines flying from Washington, D.C. to Australia
Discover the top 7 airlines that operate flights from Washington, D.C. 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 2,558,603 searches. Data last updated July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$922 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$357 | Average$1,600 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$787 | Average$1,274 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$787 | Average$1,607 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,589 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,285 | Average$1,793 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$2,062 | Average$2,421 | FlexibilityNo cancel fee | On-time68% |