$573+ Cheap flights from Dulles Intl (IAD) 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Jun 4 — Jun 111
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to AustraliaExplore the most affordable flight options available from Dulles Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
Explore the most affordable flight options available from Dulles Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.
This Trip.com deal was found by Cheapflights users on 5/3. 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.
Sat 8/159:30 am
IAD
- MEL
3 stops36h 30m
Multiple Airlines
Mon 8/311:30 pm
MEL
- IAD
3 stops37h 23m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$1,263
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:17 am
IAD
- MEL
3 stops34h 43m
Multiple Airlines
Fri 8/141:30 pm
MEL
- IAD
3 stops40h 21m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,372
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:07 am
IAD
- SYD
2 stops29h 58m
Multiple Airlines
Wed 6/1012:00 pm
SYD
- IAD
2 stops25h 17m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,393
This Trip.com deal was found by Cheapflights users on 5/2. 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.
Mon 5/1111:12 am
IAD
- MEL
3 stops35h 13m
Multiple Airlines
Mon 5/251:30 pm
MEL
- IAD
3 stops40h 51m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,407
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:20 pm
IAD
- SYD
2 stops39h 50m
Turkish Airlines
Tue 10/610:05 pm
SYD
- IAD
2 stops52h 30m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$1,442
This Justfly.com deal was found by Cheapflights users on 5/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:20 pm
IAD
- MEL
2 stops40h 20m
Turkish Airlines
Wed 5/209:35 pm
MEL
- IAD
2 stops52h 00m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$1,455
This Trip.com deal was found by Cheapflights users on 5/2. 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.
Mon 8/101:20 pm
IAD
- SYD
2 stops39h 50m
Turkish Airlines
Thu 8/279:05 pm
SYD
- IAD
2 stops52h 30m
Turkish Airlines
Deal found 5/2![Turkish Airlines logo]()
$1,458
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:45 pm
IAD
- SYD
2 stops31h 25m
Turkish Airlines
Fri 9/259:05 pm
SYD
- IAD
2 stops52h 30m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$1,479
This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:30 pm
IAD
- SYD
2 stops38h 20m
Turkish Airlines
Thu 12/109:45 pm
SYD
- IAD
2 stops54h 00m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$1,482
This Gotogate deal was found by Cheapflights users on 5/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:30 pm
IAD
- SYD
2 stops38h 20m
Turkish Airlines
Sun 2/79:45 pm
SYD
- IAD
2 stops54h 00m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$1,485
This Gotogate deal was found by Cheapflights users on 5/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:45 pm
IAD
- MEL
2 stops31h 55m
Turkish Airlines
Mon 9/149:35 pm
MEL
- IAD
2 stops52h 00m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$1,488
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:30 pm
IAD
- SYD
2 stops38h 20m
Turkish Airlines
Sun 11/299:45 pm
SYD
- IAD
2 stops54h 00m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$1,489
Best flights from Dulles Intl to AustraliaDiscover carefully curated flight deals from Dulles Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
Discover carefully curated flight deals from Dulles Intl to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 7/16:14 pm
IAD
- SYD
2 stops34h 36m
Multiple Airlines
Sat 7/118:45 pm
SYD
- IAD
2 stops36h 00m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,637
This oojo deal was found by Cheapflights users on 5/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:25 pm
IAD
- MEL
2 stops29h 30m
Air New Zealand
Sun 5/249:30 am
MEL
- IAD
1 stop20h 56m
Air New Zealand
Deal found 5/4![Air New Zealand logo]()
$1,782
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Mon 6/222:35 pm
IAD
- MEL
2 stops26h 55m
United Airlines
Wed 7/89:30 am
MEL
- IAD
1 stop20h 56m
United Airlines
Deal found 5/2![United Airlines logo]()
$1,800
This Booking.com deal was found by Cheapflights users on 5/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/254:05 pm
IAD
- BNE
2 stops25h 00m
Air Canada
Mon 6/18:45 pm
BNE
- IAD
3 stops38h 41m
Air Canada
Deal found 5/2![Air Canada logo]()
$1,926
This oojo deal was found by Cheapflights users on 5/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:00 pm
IAD
- MEL
1 stop30h 15m
Qatar Airways
Sun 5/2410:45 pm
MEL
- IAD
1 stop33h 35m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,976
This Delta deal was found by Cheapflights users on 5/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:37 pm
IAD
- MEL
2 stops29h 13m
Delta
Sun 8/210:00 am
MEL
- IAD
2 stops27h 20m
Delta
Deal found 5/4![Delta logo]()
$1,989
This Qantas Airways deal was found by Cheapflights users on 5/1. 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.
Mon 6/157:25 pm
IAD
- BNE
2 stops24h 40m
Qantas Airways
Mon 6/228:45 am
BNE
- IAD
2 stops23h 48m
Qantas Airways
Deal found 5/1![Qantas Airways logo]()
$1,997
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:25 pm
IAD
- CBR
2 stops27h 40m
American Airlines
Thu 7/26:10 am
CBR
- IAD
2 stops26h 22m
American Airlines
Deal found 4/30![American Airlines logo]()
$2,002
This Emirates deal was found by Cheapflights users on 5/2. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:55 am
IAD
- BNE
1 stop29h 30m
Emirates
Tue 5/2611:05 am
BNE
- IAD
2 stops59h 35m
Emirates
Deal found 5/2![Emirates logo]()
$2,053
This KLM deal was found by Cheapflights users on 5/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/145:40 pm
IAD
- PER
2 stops43h 30m
KLM
Sun 6/218:30 pm
PER
- IAD
3 stops55h 05m
KLM
Deal found 5/2![KLM logo]()
$2,659
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/275:38 pm
IAD
- BNE
3 stops39h 47m
Multiple Airlines
Tue 6/22:25 pm
BNE
- IAD
3 stops40h 13m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,654
This United Airlines deal was found by Cheapflights users on 5/3. 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 7/263:15 pm
IAD
- SYD
1 stop25h 45m
United Airlines
Sun 8/1610:20 am
SYD
- IAD
1 stop22h 44m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,810
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 8/26:14 pm
IAD
- SYD
2 stops34h 36m
Multiple Airlines
Sun 8/168:45 pm
SYD
- IAD
2 stops36h 00m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,661
This Air New Zealand deal was found by Cheapflights users on 4/30. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:00 am
IAD
- HBA
3 stops47h 50m
Air New Zealand
Sun 11/112:20 pm
HBA
- IAD
2 stops34h 25m
Air New Zealand
Deal found 4/30![Air New Zealand logo]()
$1,982
This United Airlines deal was found by Cheapflights users on 5/3. 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 7/265:48 pm
IAD
- SYD
1 stop23h 12m
United Airlines
Sun 8/2310:20 am
SYD
- IAD
1 stop25h 07m
United Airlines
Deal found 5/3![United Airlines logo]()
$1,810
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 7/266:14 pm
IAD
- SYD
2 stops34h 36m
Multiple Airlines
Sun 8/168:45 pm
SYD
- IAD
2 stops36h 00m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,661
This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/224:00 pm
IAD
- BNE
2 stops25h 05m
Air Canada
Mon 7/208:45 pm
BNE
- IAD
3 stops37h 39m
Air Canada
Deal found 4/30![Air Canada logo]()
$2,010
This Qatar Airways deal was found by Cheapflights users on 5/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:05 pm
IAD
- CBR
2 stops45h 15m
Qatar Airways
Wed 11/412:30 pm
CBR
- IAD
2 stops43h 25m
Qatar Airways
Deal found 5/2![Qatar Airways logo]()
$2,067
This lol.travel deal was found by Cheapflights users on 5/4. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:24 pm
IAD
- HBA
2 stops30h 51m
Qantas Airways
Mon 6/86:00 am
HBA
- IAD
2 stops30h 46m
Qantas Airways
Deal found 5/4![Qantas Airways logo]()
$2,124
This Emirates deal was found by Cheapflights users on 5/3. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2610:55 am
IAD
- BNE
1 stop29h 30m
Emirates
Tue 7/281:55 am
BNE
- IAD
1 stop44h 45m
Emirates
Deal found 5/3![Emirates logo]()
$2,172
This United Airlines deal was found by Cheapflights users on 5/4. 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 7/295:55 pm
IAD
- SYD
1 stop23h 00m
United Airlines
Sun 8/1610:20 am
SYD
- IAD
1 stop19h 58m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,810
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
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 4/30![Multiple Airlines logo]()
$1,661
This Air New Zealand deal was found by Cheapflights users on 5/2. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:15 pm
IAD
- CBR
3 stops31h 50m
Air New Zealand
Mon 8/318:35 am
CBR
- IAD
3 stops30h 05m
Air New Zealand
Deal found 5/2![Air New Zealand logo]()
$2,071
This Qatar Airways deal was found by Cheapflights users on 4/30. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:00 pm
IAD
- ADL
1 stop29h 20m
Qatar Airways
Mon 9/219:40 pm
ADL
- IAD
1 stop31h 30m
Qatar Airways
Deal found 4/30![Qatar Airways logo]()
$2,082
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Mon 5/254:05 pm
IAD
- BNE
3 stops29h 25m
Air Canada
Sun 6/710:00 am
BNE
- IAD
2 stops39h 12m
Air Canada
Deal found 4/30![Air Canada logo]()
$2,089
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:26 am
IAD
- DRW
2 stops39h 59m
American Airlines
Sat 6/201:35 am
DRW
- IAD
2 stops30h 28m
American Airlines
Deal found 4/30![American Airlines logo]()
$2,364
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:40 pm
IAD
- BNE
1 stop27h 50m
United Airlines
Mon 7/206:55 am
BNE
- IAD
2 stops29h 24m
United Airlines
Deal found 4/30![United Airlines logo]()
$1,825
This Emirates deal was found by Cheapflights users on 5/1. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:55 am
IAD
- DRW
2 stops52h 05m
Emirates
Mon 9/215:40 pm
DRW
- IAD
2 stops52h 30m
Emirates
Deal found 5/1![Emirates logo]()
$2,312
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 5/295:35 pm
IAD
- BNE
3 stops39h 50m
Multiple Airlines
Fri 6/52:00 pm
BNE
- IAD
3 stops31h 34m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,789
This Air New Zealand deal was found by Cheapflights users on 5/2. 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 Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:15 pm
IAD
- DRW
3 stops41h 25m
Air New Zealand
Thu 12/31:10 am
DRW
- IAD
3 stops33h 55m
Air New Zealand
Deal found 5/2![Air New Zealand logo]()
$2,173
Last-minute flights from Dulles Intl to AustraliaDiscover last-minute flight deals from Dulles Intl to Australia. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Australia. Data last updated May 5, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 5/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:20 pm
IAD
- MEL
2 stops40h 20m
Turkish Airlines
Wed 5/209:35 pm
MEL
- IAD
2 stops52h 00m
Turkish Airlines
Deal found 5/1![Turkish Airlines logo]()
$1,455
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:45 pm
IAD
- SYD
2 stops31h 25m
Turkish Airlines
Tue 5/199:05 pm
SYD
- IAD
2 stops52h 30m
Turkish Airlines
Deal found 4/30![Turkish Airlines logo]()
$1,617
This Trip.com deal was found by Cheapflights users on 5/2. 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.
Mon 5/1111:12 am
IAD
- MEL
3 stops35h 13m
Multiple Airlines
Mon 5/251:30 pm
MEL
- IAD
3 stops40h 51m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,407
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:12 am
IAD
- MEL
2 stops31h 33m
Multiple Airlines
Fri 6/59:45 am
MEL
- IAD
2 stops36h 27m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,586
This BusinessClass deal was found by Cheapflights users on 4/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:35 pm
IAD
- SYD
2 stops35h 15m
Multiple Airlines
Sun 6/78:45 pm
SYD
- IAD
2 stops24h 49m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,581
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/285:35 pm
IAD
- SYD
3 stops35h 15m
Multiple Airlines
Thu 6/48:45 pm
SYD
- IAD
2 stops24h 49m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,595
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:37 pm
IAD
- SYD
2 stops57h 13m
Multiple Airlines
Thu 7/238:45 pm
SYD
- IAD
2 stops23h 54m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,629
This oojo deal was found by Cheapflights users on 5/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:45 am
IAD
- MEL
2 stops35h 10m
Air New Zealand
Tue 6/96:55 pm
MEL
- IAD
2 stops41h 48m
Air New Zealand
Deal found 5/1![Air New Zealand logo]()
$1,635
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/311:07 am
IAD
- SYD
2 stops29h 58m
Multiple Airlines
Wed 6/1012:00 pm
SYD
- IAD
2 stops25h 17m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,393
This oojo deal was found by Cheapflights users on 5/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:51 pm
IAD
- BNE
2 stops30h 14m
Air New Zealand
Wed 6/109:40 am
BNE
- IAD
2 stops28h 51m
Air New Zealand
Deal found 5/2![Air New Zealand logo]()
$1,621
This oojo deal was found by Cheapflights users on 5/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:10 pm
IAD
- SYD
2 stops29h 35m
Air New Zealand
Wed 6/1011:55 am
SYD
- IAD
2 stops26h 36m
Air New Zealand
Deal found 5/4![Air New Zealand logo]()
$1,623
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/133:38 pm
IAD
- SYD
2 stops30h 12m
Multiple Airlines
Mon 8/312:00 pm
SYD
- IAD
1 stop20h 45m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,576
One-way flights from Dulles Intl to AustraliaSearch for one-way flight options from Dulles Intl to Australia. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
Search for one-way flight options from Dulles Intl to Australia. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Trip.com deal was found by Cheapflights users on 5/2. 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.
Tue 7/2811:17 am
IAD
- SYD
3 stops34h 33m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Wed 7/291:36 pm
IAD
- SYD
3 stops56h 14m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$578
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:49 am
IAD
- SYD
3 stops39h 01m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 7/277:30 pm
IAD
- SYD
2 stops50h 20m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:30 pm
IAD
- BNE
2 stops49h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$593
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:40 am
IAD
- SYD
3 stops38h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/317:30 pm
IAD
- SYD
2 stops50h 20m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$613
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:27 pm
IAD
- SYD
3 stops50h 23m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Sat 6/203:38 pm
IAD
- SYD
3 stops38h 27m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:27 pm
IAD
- SYD
3 stops50h 23m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:36 pm
IAD
- MEL
3 stops39h 59m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$720
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:49 am
IAD
- MEL
3 stops46h 31m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$735
Find flight deals from Dulles Intl to Australia
Keep the following information in mind while searching for Dulles Intl to Australia flight deals. Data was last updated May 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,263 (Trip.com) |
One-way from | $573 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,496 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl 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 May 5, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Wed 7/1
6:14 pm-6:50 pm
2 stops34h 36m
Sydney Kingsford Smith
Sat 7/11
8:45 pm-6:45 pm
2 stops36h 00m
$1,637
Washington, D.C.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Wed 5/27
5:38 pm-11:25 pm
3 stops39h 47m
Brisbane
Tue 6/2
2:25 pm-4:38 pm
3 stops40h 13m
$1,654
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Sun 8/2
6:14 pm-6:50 pm
2 stops34h 36m
Sydney Kingsford Smith
Sun 8/16
8:45 pm-6:45 pm
2 stops36h 00m
$1,661
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Sun 7/26
6:14 pm-6:50 pm
2 stops34h 36m
Sydney Kingsford Smith
Sun 8/16
8:45 pm-6:45 pm
2 stops36h 00m
$1,661
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Sun 7/26
6:14 pm-6:50 pm
2 stops34h 36m
Sydney Kingsford Smith
Sun 8/23
8:45 pm-6:14 pm
2 stops35h 29m
$1,661
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Tue 5/12
3:25 pm-10:55 am
2 stops29h 30m
Melbourne
Sun 5/24
9:30 am-4:26 pm
1 stop20h 56m
$1,782
Washington, D.C.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Fri 5/29
5:35 pm-11:25 pm
3 stops39h 50m
Brisbane
Fri 6/5
2:00 pm-7:34 am
3 stops31h 34m
$1,789
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Mon 6/22
2:35 pm-7:30 am
2 stops26h 55m
Melbourne
Wed 7/8
9:30 am-4:26 pm
1 stop20h 56m
$1,800
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Sun 7/26
3:15 pm-7:00 am
1 stop25h 45m
Sydney Kingsford Smith
Sun 8/16
10:20 am-7:04 pm
1 stop22h 44m
$1,810
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Sun 7/26
5:48 pm-7:00 am
1 stop23h 12m
Sydney Kingsford Smith
Sun 8/23
10:20 am-9:27 pm
1 stop25h 07m
$1,810
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Dulles Intl with our price prediction graph.
IAD-SYD
IAD-BNE
IAD-MEL
IAD-ADL
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. Dulles Intl Airport to Australia
IAD-AU0
IAD-SYD
IAD-BNE
IAD-MEL
IAD-ADL
How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Australia?
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Australia?
Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Australia (average of $137). Flying from Washington, D.C. Dulles Intl Airport to Australia in April is currently the most expensive (average of $855). 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.
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 May 5, 2026.
Get a feel of what it's like to fly with Air New Zealand,Delta, andQantas Airways from Washington, D.C. Dulles Intl Airport to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Crew
8.5
Entertainment
7.4
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Crew
8.5
Entertainment
7.4
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Crew
8.5
Entertainment
7.4
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Crew
8.5
Entertainment
7.4
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Crew
8.5
Entertainment
7.4
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Boarding
8.2
Crew
8.5
Entertainment
7.4
Food
7.4
Overall
8.0
Comfort
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl 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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Dulles Intl and Australia flights
Browse other Dulles Intl and Australia flight options. Last updated on May 5, 2026.
Popular flight searches
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Consider these flights traveling to Australia regions.
Top 8 airlines flying from Dulles Intl to Australia
Discover the top 8 airlines that operate flights from Dulles Intl 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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$377 | Average$1,622 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$544 | Average$943 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$719 | Average$768 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$787 | Average$1,274 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$855 | Average$1,549 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,167 | Average$1,717 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,195 | Average$2,421 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,195 | Average$1,707 | FlexibilityNo cancel fee | On-time78% |