$553+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 June 7, 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 June 7, 2026.
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:00 pm
BWI
- MEL
1 stop24h 00m
American Airlines
Wed 7/151:35 pm
MEL
- BWI
1 stop24h 08m
American Airlines
Deal found 6/2![American Airlines logo]()
$1,081
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:02 am
BWI
- MEL
1 stop30h 58m
American Airlines
Sat 12/512:00 pm
MEL
- BWI
1 stop26h 54m
American Airlines
Deal found 6/2![American Airlines logo]()
$1,082
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/153:03 pm
BWI
- MEL
2 stops26h 27m
United Airlines
Wed 7/19:30 am
MEL
- BWI
2 stops27h 15m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 8/57:23 pm
BWI
- MEL
1 stop22h 07m
United Airlines
Wed 8/199:30 am
MEL
- BWI
1 stop21h 05m
United Airlines
Deal found 6/6![United Airlines logo]()
$1,092
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:03 pm
BWI
- MEL
2 stops26h 27m
United Airlines
Fri 7/39:30 am
MEL
- BWI
1 stop23h 04m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,093
This KAYAK deal was found by Cheapflights users on 6/4. 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.
Wed 8/121:00 pm
BWI
- MEL
2 stops28h 30m
Air New Zealand
Wed 8/199:30 am
MEL
- BWI
1 stop21h 05m
Air New Zealand
Deal found 6/4![Air New Zealand logo]()
$1,096
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Tue 6/306:59 pm
BWI
- MEL
1 stop23h 16m
United Airlines
Tue 7/710:55 am
MEL
- BWI
3 stops27h 33m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,097
This Ovago deal was found by Cheapflights users on 6/6. 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.
Thu 6/116:59 pm
BWI
- MEL
1 stop23h 16m
Multiple Airlines
Thu 6/1810:55 am
MEL
- BWI
1 stop34h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,102
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:38 am
BWI
- MEL
1 stop35h 37m
United Airlines
Wed 7/19:30 am
MEL
- BWI
1 stop22h 13m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,103
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 11/1912:15 pm
BWI
- MEL
2 stops29h 35m
Delta
Sat 12/512:00 pm
MEL
- BWI
2 stops28h 26m
Delta
Deal found 6/5![Delta logo]()
$1,104
This Delta deal was found by Cheapflights users on 6/2. 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 10/181:00 pm
BWI
- MEL
2 stops28h 50m
Delta
Thu 11/1212:00 pm
MEL
- BWI
2 stops24h 46m
Delta
Deal found 6/2![Delta logo]()
$1,105
This 123 Milhas deal was found by Cheapflights users on 6/6. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:20 pm
IAD
- SYD
1 stop54h 15m
Turkish Airlines
Tue 11/249:30 pm
SYD
- IAD
1 stop54h 15m
Turkish Airlines
Deal found 6/6![Turkish Airlines logo]()
$1,221
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 June 7, 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 June 7, 2026.
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/153:03 pm
BWI
- MEL
2 stops26h 27m
United Airlines
Wed 7/19:30 am
MEL
- BWI
2 stops27h 15m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,085
This Delta deal was found by Cheapflights users on 6/5. 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.
Tue 6/303:04 pm
BWI
- SYD
2 stops25h 46m
Delta
Sun 7/199:15 am
SYD
- BWI
2 stops23h 08m
Delta
Deal found 6/5![Delta logo]()
$1,347
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 7/226:59 pm
DCA
- MEL
2 stops45h 46m
Alaska Airlines
Wed 7/299:45 am
MEL
- DCA
2 stops44h 15m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$1,494
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 8/116:14 pm
IAD
- BNE
3 stops39h 11m
Multiple Airlines
Thu 8/274:00 pm
BNE
- IAD
3 stops38h 44m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,632
This FlightHub deal was found by Cheapflights users on 6/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:15 am
IAD
- BNE
2 stops32h 50m
Air Canada
Mon 8/2410:00 am
BNE
- IAD
1 stop34h 30m
Air Canada
Deal found 6/2![Air Canada logo]()
$1,658
This KAYAK deal was found by Cheapflights users on 6/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:25 pm
IAD
- PER
2 stops57h 40m
Austrian Airlines
Thu 11/59:25 am
PER
- IAD
2 stops41h 45m
Austrian Airlines
Deal found 6/7![Austrian Airlines logo]()
$1,821
This Emirates deal was found by Cheapflights users on 6/6. 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 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 stop29h 10m
Emirates
Sun 12/206:00 am
SYD
- IAD
1 stop42h 10m
Emirates
Deal found 6/6![Emirates logo]()
$1,932
This KAYAK deal was found by Cheapflights users on 6/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/188:20 pm
IAD
- PER
2 stops46h 30m
SWISS
Mon 7/208:20 am
PER
- IAD
2 stops44h 25m
SWISS
Deal found 6/6![SWISS logo]()
$2,015
This Justfly.com deal was found by Cheapflights users on 6/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:00 pm
IAD
- BNE
1 stop30h 30m
Qatar Airways
Thu 8/2710:10 pm
BNE
- IAD
1 stop31h 30m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$2,036
This oojo deal was found by Cheapflights users on 6/3. 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.
Wed 9/25:35 pm
DCA
- AVV
2 stops30h 35m
Qantas Airways
Wed 9/166:00 am
AVV
- DCA
2 stops26h 59m
Qantas Airways
Deal found 6/3![Qantas Airways logo]()
$2,098
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:03 pm
BWI
- MEL
2 stops26h 27m
United Airlines
Fri 7/109:30 am
MEL
- BWI
1 stop22h 20m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1912:55 pm
BWI
- MEL
2 stops28h 35m
United Airlines
Fri 7/310:55 am
MEL
- BWI
2 stops26h 35m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,097
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:38 am
BWI
- MEL
1 stop35h 37m
United Airlines
Thu 8/610:55 am
MEL
- BWI
1 stop21h 02m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,103
This Delta deal was found by Cheapflights users on 6/5. 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 7/32:10 pm
BWI
- SYD
2 stops26h 40m
Delta
Wed 7/159:15 am
SYD
- BWI
2 stops23h 00m
Delta
Deal found 6/5![Delta logo]()
$1,397
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 8/316:52 pm
BWI
- MEL
1 stop23h 23m
United Airlines
Tue 9/156:00 am
MEL
- BWI
2 stops25h 40m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,109
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 7/212:32 pm
BWI
- SYD
2 stops28h 18m
Delta
Thu 7/169:15 am
SYD
- BWI
2 stops23h 00m
Delta
Deal found 6/5![Delta logo]()
$1,447
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 6/186:38 am
BWI
- MEL
1 stop35h 37m
United Airlines
Wed 7/19:30 am
MEL
- BWI
1 stop35h 44m
United Airlines
Deal found 6/6![United Airlines logo]()
$1,112
This Fiji Airways deal was found by Cheapflights users on 6/4. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:58 pm
DCA
- MEL
2 stops27h 02m
Multiple Airlines
Sat 8/221:30 pm
MEL
- DCA
2 stops23h 28m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,651
This Air Canada deal was found by Cheapflights users on 6/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:14 pm
IAD
- BNE
2 stops42h 51m
Air Canada
Wed 7/810:00 am
BNE
- IAD
2 stops39h 12m
Air Canada
Deal found 6/3![Air Canada logo]()
$1,765
This United Airlines deal was found by Cheapflights users on 6/6. 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 6/266:59 pm
BWI
- MEL
2 stops26h 21m
United Airlines
Sat 7/410:55 am
MEL
- BWI
1 stop21h 04m
United Airlines
Deal found 6/6![United Airlines logo]()
$1,116
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 8/116:14 pm
IAD
- BNE
2 stops44h 46m
Alaska Airlines
Thu 8/278:35 pm
BNE
- IAD
3 stops34h 09m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$1,801
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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.
Sun 7/265:16 pm
DCA
- SYD
2 stops35h 34m
Multiple Airlines
Sun 8/168:45 pm
SYD
- DCA
2 stops37h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,662
This Air Canada deal was found by Cheapflights users on 6/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:20 pm
IAD
- BNE
2 stops24h 45m
Air Canada
Wed 7/296:05 pm
BNE
- IAD
3 stops40h 19m
Air Canada
Deal found 6/3![Air Canada logo]()
$1,769
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/196:38 am
BWI
- MEL
2 stops38h 42m
United Airlines
Sun 7/2610:55 am
MEL
- BWI
2 stops34h 22m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,131
This Fiji Airways deal was found by Cheapflights users on 6/4. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:53 pm
IAD
- SYD
2 stops30h 57m
Multiple Airlines
Sat 8/291:15 pm
SYD
- IAD
2 stops42h 33m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,664
This Qantas Airways deal was found by Cheapflights users on 6/3. 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.
Wed 9/25:35 pm
DCA
- MEL
2 stops27h 00m
Qantas Airways
Tue 9/159:00 am
MEL
- DCA
2 stops23h 59m
Qantas Airways
Deal found 6/3![Qantas Airways logo]()
$2,103
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 8/287:00 am
IAD
- BNE
3 stops32h 00m
Alaska Airlines
Sat 9/58:35 pm
BNE
- IAD
3 stops35h 39m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$1,971
This KAYAK deal was found by Cheapflights users on 6/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:20 pm
IAD
- PER
2 stops38h 20m
SWISS
Tue 6/308:20 am
PER
- IAD
2 stops44h 25m
SWISS
Deal found 6/2![SWISS logo]()
$2,169
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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.
Sun 7/266:14 pm
IAD
- SYD
2 stops34h 36m
Multiple Airlines
Sun 8/238:45 pm
SYD
- IAD
2 stops35h 29m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$1,675
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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.
Sat 7/256:03 am
IAD
- BNE
3 stops32h 57m
Alaska Airlines
Wed 7/298:35 pm
BNE
- IAD
3 stops36h 10m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$2,015
Last-minute flights from Washington, D.C. to AustraliaDiscover last-minute flight deals from Washington, D.C. to Australia. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Australia. Data last updated June 7, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 6/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:21 pm
BWI
- MEL
1 stop22h 09m
Air New Zealand
Tue 6/306:00 am
MEL
- BWI
2 stops25h 57m
Air New Zealand
Deal found 6/3![Air New Zealand logo]()
$1,108
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Mon 6/83:03 pm
BWI
- MEL
2 stops26h 27m
United Airlines
Tue 6/306:00 am
MEL
- BWI
2 stops25h 57m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,109
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:00 pm
BWI
- MEL
1 stop24h 00m
American Airlines
Wed 7/151:35 pm
MEL
- BWI
1 stop24h 08m
American Airlines
Deal found 6/2![American Airlines logo]()
$1,081
This Ovago deal was found by Cheapflights users on 6/6. 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.
Thu 6/116:59 pm
BWI
- MEL
1 stop23h 16m
Multiple Airlines
Thu 6/1810:55 am
MEL
- BWI
1 stop34h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,102
This United Airlines deal was found by Cheapflights users on 6/5. 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 6/153:03 pm
BWI
- MEL
2 stops26h 27m
United Airlines
Wed 7/19:30 am
MEL
- BWI
2 stops27h 15m
United Airlines
Deal found 6/5![United Airlines logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:38 am
BWI
- MEL
1 stop35h 37m
United Airlines
Wed 7/19:30 am
MEL
- BWI
1 stop22h 13m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,103
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/193:03 pm
BWI
- MEL
2 stops26h 27m
United Airlines
Fri 7/39:30 am
MEL
- BWI
1 stop23h 04m
United Airlines
Deal found 6/4![United Airlines logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 6/6. 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 6/306:59 pm
BWI
- MEL
1 stop23h 16m
United Airlines
Tue 7/710:55 am
MEL
- BWI
1 stop21h 02m
United Airlines
Deal found 6/6![United Airlines logo]()
$1,092
This KAYAK deal was found by Cheapflights users on 6/4. 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.
Wed 7/13:03 pm
BWI
- MEL
2 stops26h 27m
Air New Zealand
Fri 7/109:30 am
MEL
- BWI
2 stops27h 15m
Air New Zealand
Deal found 6/4![Air New Zealand logo]()
$1,096
This Trip.com deal was found by Cheapflights users on 6/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:55 am
IAD
- MEL
3 stops36h 05m
Multiple Airlines
Thu 7/91:30 pm
MEL
- IAD
3 stops43h 03m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,238
This Trip.com deal was found by Cheapflights users on 6/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:17 am
IAD
- MEL
3 stops34h 43m
Multiple Airlines
Thu 7/91:30 pm
MEL
- IAD
3 stops43h 03m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,252
This Trip.com deal was found by Cheapflights users on 6/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:54 am
IAD
- SYD
3 stops34h 56m
Multiple Airlines
Sat 7/111:15 pm
SYD
- IAD
3 stops37h 32m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,276
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 June 7, 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 June 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:20 am
IAD
- SYD
3 stops58h 05m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$553
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:57 pm
BWI
- MEL
2 stops27h 48m
American Airlines
Deal found 6/2![American Airlines logo]()
$581
This American Airlines deal was found by Cheapflights users on 6/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/272:58 pm
BWI
- MEL
2 stops25h 47m
American Airlines
Deal found 6/2![American Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Thu 8/207:00 am
BWI
- MEL
2 stops35h 15m
United Airlines
Deal found 6/2![United Airlines logo]()
$587
This United Airlines deal was found by Cheapflights users on 6/2. 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 8/166:52 pm
BWI
- MEL
1 stop23h 23m
United Airlines
Deal found 6/2![United Airlines logo]()
$592
This Delta deal was found by Cheapflights users on 6/2. 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.
Wed 7/2210:33 am
BWI
- MEL
2 stops31h 17m
Delta
Deal found 6/2![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 8/127:00 am
BWI
- MEL
1 stop34h 30m
United Airlines
Deal found 6/6![United Airlines logo]()
$609
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Sat 6/276:50 pm
BWI
- MEL
2 stops25h 45m
United Airlines
Deal found 6/3![United Airlines logo]()
$620
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 pm
DCA
- SYD
3 stops49h 25m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:20 am
IAD
- SYD
3 stops43h 50m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$632
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:59 pm
BWI
- SYD
3 stops55h 11m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$633
This Ovago deal was found by Cheapflights users on 6/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:38 am
BWI
- MEL
2 stops38h 42m
Singapore Airlines
Deal found 6/4![Singapore Airlines logo]()
$642
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 June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,082 (American Airlines) |
One-way from | $553 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,562 |
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 June 7, 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
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Mon 6/15
3:03 pm-7:30 am
2 stops26h 27m
Melbourne
Wed 7/1
9:30 am-10:45 pm
2 stops27h 15m
$1,085
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Wed 7/1
3:03 pm-7:30 am
2 stops26h 27m
Melbourne
Fri 7/10
9:30 am-5:50 pm
1 stop22h 20m
$1,093
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Fri 6/19
12:55 pm-7:30 am
2 stops28h 35m
Melbourne
Fri 7/3
10:55 am-11:30 pm
2 stops26h 35m
$1,097
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Tue 7/28
6:38 am-8:15 am
1 stop35h 37m
Melbourne
Thu 8/6
10:55 am-5:57 pm
1 stop21h 02m
$1,103
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Mon 8/31
6:52 pm-8:15 am
1 stop23h 23m
Melbourne
Tue 9/15
6:00 am-5:40 pm
2 stops25h 40m
$1,109
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Thu 6/18
6:38 am-8:15 am
1 stop35h 37m
Melbourne
Wed 7/1
9:30 am-7:14 am
1 stop35h 44m
$1,112
Quickest round-trip
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Fri 6/26
6:59 pm-11:20 am
2 stops26h 21m
Melbourne
Sat 7/4
10:55 am-5:59 pm
1 stop21h 04m
$1,116
BaltimoreMelbourne
BWI - MEL
BWIMEL
Baltimore/Washington
Sun 7/19
6:38 am-11:20 am
2 stops38h 42m
Melbourne
Sun 7/26
10:55 am-7:17 am
2 stops34h 22m
$1,131
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Tue 6/30
3:04 pm-6:50 am
2 stops25h 46m
Sydney Kingsford Smith
Sun 7/19
9:15 am-6:23 pm
2 stops23h 08m
$1,347
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Fri 7/3
2:10 pm-6:50 am
2 stops26h 40m
Sydney Kingsford Smith
Wed 7/15
9:15 am-6:15 pm
2 stops23h 00m
$1,397
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.
BWI-MEL
BWI-SYD
DCA-MEL
IAD-BNE
IAD-PER
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Australia
WAS-AU0
BWI-MEL
BWI-SYD
DCA-MEL
IAD-BNE
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 February is currently the most expensive (average of $318). 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 June 7, 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.
Comfort
7.9
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Overall
8.0
Entertainment
7.4
Food
7.4
Crew
8.5
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
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
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Washington, D.C. and Australia flights
Browse other Washington, D.C. and Australia flight options. Last updated on June 7, 2026.
Popular flight searches
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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 June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$276 | Average$869 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$377 | Average$1,641 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$787 | Average$1,274 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$787 | Average$1,608 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$836 | Average$1,607 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,195 | Average$1,793 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$2,062 | Average$2,421 | FlexibilityNo cancel fee | On-time68% |