$556+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Sep 1 — Sep 81
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 August 2, 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 August 2, 2026.
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Wed 9/911:12 am
IAD
- SYD
3 stops34h 38m
Multiple Airlines
Wed 9/161:15 pm
SYD
- IAD
3 stops35h 02m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$980
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/1411:12 am
IAD
- SYD
3 stops34h 38m
Multiple Airlines
Mon 9/216:00 am
SYD
- IAD
3 stops62h 20m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$1,025
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Sun 9/137:50 am
IAD
- MEL
3 stops38h 35m
Multiple Airlines
Wed 9/231:25 pm
MEL
- IAD
3 stops35h 02m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$1,031
This Trip.com deal was found by Cheapflights users on 7/28. 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.
Fri 9/1111:12 am
IAD
- SYD
3 stops34h 38m
Multiple Airlines
Fri 9/181:15 pm
SYD
- IAD
3 stops35h 02m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,162
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/109:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Wed 8/261:15 pm
SYD
- IAD
3 stops40h 52m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$1,164
This CheapTickets deal was found by Cheapflights users on 8/1. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:12 am
IAD
- MEL
2 stops29h 33m
Multiple Airlines
Tue 9/229:45 am
MEL
- IAD
2 stops28h 25m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$1,197
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/209:00 pm
IAD
- MEL
1 stop35h 05m
Qatar Airways
Tue 10/2711:40 pm
MEL
- IAD
1 stop32h 15m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,203
This Justfly.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/209:00 pm
IAD
- MEL
1 stop35h 05m
Qatar Airways
Fri 11/611:40 pm
MEL
- IAD
1 stop32h 15m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,220
This FlightHub deal was found by Cheapflights users on 7/30. 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 11/178:05 pm
IAD
- MEL
1 stop35h 15m
Qatar Airways
Mon 12/145:10 pm
MEL
- IAD
1 stop38h 45m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$1,221
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:00 pm
IAD
- BNE
1 stop30h 30m
Qatar Airways
Tue 9/2210:10 pm
BNE
- IAD
1 stop31h 30m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$1,232
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Sun 9/137:50 am
IAD
- MEL
2 stops32h 55m
Multiple Airlines
Sun 9/209:45 am
MEL
- IAD
2 stops34h 35m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,245
This KAYAK deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/209:00 pm
IAD
- MEL
1 stop35h 05m
Qatar Airways
Thu 11/511:40 pm
MEL
- IAD
1 stop32h 15m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,247
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 August 2, 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 August 2, 2026.
This Priceline deal was found by Cheapflights users on 7/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:00 pm
IAD
- PER
1 stop33h 35m
Qatar Airways
Tue 9/151:45 pm
PER
- IAD
2 stops37h 55m
Qatar Airways
Deal found 7/28![Qatar Airways logo]()
$1,357
This Turkish Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Tue 8/259:40 pm
IAD
- SYD
2 stops31h 30m
Turkish Airlines
Thu 9/109:05 pm
SYD
- IAD
2 stops52h 25m
Turkish Airlines
Deal found 7/31![Turkish Airlines logo]()
$1,511
This Air Canada deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/148:29 am
IAD
- ADL
2 stops39h 56m
Air Canada
Mon 9/218:00 pm
ADL
- IAD
2 stops48h 00m
Air Canada
Deal found 7/31![Air Canada logo]()
$1,524
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Thu 11/512:39 pm
IAD
- AVV
3 stops42h 36m
Multiple Airlines
Wed 11/116:00 am
AVV
- IAD
3 stops31h 22m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,558
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 12/112:35 pm
IAD
- MEL
1 stop29h 55m
United Airlines
Wed 12/912:45 pm
MEL
- IAD
1 stop22h 22m
United Airlines
Deal found 7/31![United Airlines logo]()
$1,811
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:00 am
IAD
- CBR
2 stops38h 15m
Air New Zealand
Sat 11/216:05 am
CBR
- IAD
3 stops39h 21m
Air New Zealand
Deal found 7/29![Air New Zealand logo]()
$1,867
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/12:42 pm
IAD
- CBR
2 stops27h 23m
Qantas Airways
Sat 11/216:05 am
CBR
- IAD
2 stops28h 14m
Qantas Airways
Deal found 7/29![Qantas Airways logo]()
$1,972
This Cathay Pacific deal was found by Cheapflights users on 7/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:56 pm
IAD
- PER
2 stops49h 54m
Cathay Pacific
Sun 10/48:20 am
PER
- IAD
2 stops57h 12m
Cathay Pacific
Deal found 7/29![Cathay Pacific logo]()
$2,098
This Emirates deal was found by Cheapflights users on 8/1. 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.
Tue 9/110:55 am
IAD
- CBR
2 stops32h 25m
Emirates
Mon 9/710:05 am
CBR
- IAD
2 stops60h 35m
Emirates
Deal found 8/1![Emirates logo]()
$2,131
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:53 pm
IAD
- CBR
2 stops31h 17m
American Airlines
Sat 8/296:10 am
CBR
- IAD
3 stops28h 46m
American Airlines
Deal found 8/1![American Airlines logo]()
$2,639
This Qatar Airways deal was found by Cheapflights users on 7/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:00 pm
IAD
- BNE
1 stop30h 30m
Qatar Airways
Thu 11/1211:25 am
BNE
- IAD
2 stops35h 45m
Qatar Airways
Deal found 7/28![Qatar Airways logo]()
$1,376
This Turkish Airlines deal was found by Cheapflights users on 7/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:40 pm
IAD
- SYD
2 stops31h 30m
Turkish Airlines
Fri 11/69:30 pm
SYD
- IAD
2 stops38h 55m
Turkish Airlines
Deal found 7/30![Turkish Airlines logo]()
$1,521
This Qatar Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 11/78:05 pm
IAD
- MEL
2 stops36h 10m
Qatar Airways
Sat 11/1411:40 pm
MEL
- IAD
1 stop32h 15m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,399
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Sun 11/2212:39 pm
IAD
- AVV
3 stops33h 26m
Multiple Airlines
Sat 11/286:00 am
AVV
- IAD
3 stops30h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,558
This Turkish Airlines deal was found by Cheapflights users on 7/29. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:15 pm
IAD
- SYD
2 stops39h 55m
Turkish Airlines
Sun 9/279:05 pm
SYD
- IAD
2 stops52h 25m
Turkish Airlines
Deal found 7/29![Turkish Airlines logo]()
$1,541
This Qatar Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Tue 1/198:05 pm
IAD
- MEL
1 stop41h 40m
Qatar Airways
Sun 1/316:50 pm
MEL
- IAD
2 stops37h 05m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,401
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:00 pm
IAD
- OOL
3 stops31h 40m
Multiple Airlines
Sat 9/196:35 pm
OOL
- IAD
3 stops39h 50m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$1,572
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:43 pm
IAD
- PER
3 stops39h 02m
Air Canada
Tue 9/151:15 pm
PER
- IAD
3 stops43h 10m
Air Canada
Deal found 7/28![Air Canada logo]()
$1,774
This Qatar Airways deal was found by Cheapflights users on 7/30. 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.
Mon 11/28:05 pm
IAD
- MEL
1 stop29h 45m
Qatar Airways
Fri 11/205:55 pm
MEL
- IAD
2 stops38h 00m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$1,406
This Turkish Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/312:30 pm
IAD
- MEL
2 stops39h 10m
Turkish Airlines
Wed 11/410:35 pm
MEL
- IAD
2 stops37h 50m
Turkish Airlines
Deal found 7/31![Turkish Airlines logo]()
$1,573
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:39 pm
IAD
- CBR
3 stops36h 26m
Multiple Airlines
Sat 11/211:35 pm
CBR
- IAD
3 stops46h 35m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$1,588
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 12/105:30 pm
IAD
- OOL
2 stops28h 10m
United Airlines
Tue 12/227:20 am
OOL
- IAD
2 stops26h 15m
United Airlines
Deal found 7/31![United Airlines logo]()
$2,003
This Booking.com deal was found by Cheapflights users on 8/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:48 pm
IAD
- CBR
2 stops31h 07m
Air New Zealand
Mon 9/76:30 pm
CBR
- IAD
3 stops51h 05m
Air New Zealand
Deal found 8/1![Air New Zealand logo]()
$2,062
This Qatar Airways deal was found by Cheapflights users on 7/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/1310:50 am
IAD
- BNE
2 stops32h 00m
Qatar Airways
Sun 3/145:25 pm
BNE
- IAD
2 stops37h 30m
Qatar Airways
Deal found 7/28![Qatar Airways logo]()
$1,417
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:29 am
IAD
- ADL
2 stops37h 11m
Multiple Airlines
Fri 9/187:35 pm
ADL
- IAD
3 stops38h 20m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,610
This Emirates deal was found by Cheapflights users on 7/28. 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 9/1110:55 am
IAD
- OOL
2 stops33h 45m
Emirates
Fri 9/186:00 pm
OOL
- IAD
2 stops52h 40m
Emirates
Deal found 7/28![Emirates logo]()
$2,158
This oojo deal was found by Cheapflights users on 8/1. 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.
Thu 11/192:42 pm
IAD
- AVV
2 stops33h 08m
Qantas Airways
Sat 12/54:25 pm
AVV
- IAD
2 stops39h 43m
Qantas Airways
Deal found 8/1![Qantas Airways logo]()
$2,244
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 12/105:30 pm
IAD
- OOL
2 stops28h 10m
United Airlines
Sat 12/267:20 am
OOL
- IAD
2 stops26h 21m
United Airlines
Deal found 7/31![United Airlines logo]()
$2,053
This Qatar Airways deal was found by Cheapflights users on 7/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:00 pm
IAD
- SYD
2 stops33h 20m
Qatar Airways
Wed 11/43:50 pm
SYD
- IAD
1 stop40h 05m
Qatar Airways
Deal found 7/28![Qatar Airways logo]()
$1,420
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 8/265:47 pm
IAD
- SYD
2 stops35h 03m
Multiple Airlines
Sun 9/68:45 pm
SYD
- IAD
2 stops35h 29m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$1,611
Last-minute flights from Dulles Intl to AustraliaDiscover last-minute flight deals from Dulles Intl to Australia. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Australia. Data last updated August 2, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/109:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Wed 8/261:15 pm
SYD
- IAD
3 stops40h 52m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$1,164
This oojo deal was found by Cheapflights users on 8/1. 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.
Wed 8/129:00 pm
IAD
- MEL
1 stop29h 50m
Qatar Airways
Tue 10/1311:45 pm
MEL
- IAD
1 stop30h 55m
Qatar Airways
Deal found 8/1![Qatar Airways logo]()
$1,400
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/149:50 am
IAD
- MEL
2 stops30h 55m
Multiple Airlines
Sun 8/309:45 am
MEL
- IAD
2 stops45h 29m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$1,366
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/179:50 am
IAD
- MEL
2 stops30h 55m
Multiple Airlines
Wed 8/269:45 am
MEL
- IAD
2 stops44h 22m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$1,319
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Sat 8/229:00 pm
IAD
- SYD
1 stop30h 10m
Qatar Airways
Tue 9/82:50 pm
SYD
- IAD
1 stop38h 50m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,372
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:00 pm
IAD
- MEL
1 stop29h 50m
Qatar Airways
Sat 9/54:10 pm
MEL
- IAD
1 stop37h 30m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$1,374
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Sat 8/229:00 pm
IAD
- SYD
2 stops31h 50m
Qatar Airways
Wed 9/92:50 pm
SYD
- IAD
1 stop31h 55m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,402
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/249:00 pm
IAD
- SYD
2 stops48h 50m
Qatar Airways
Wed 9/92:50 pm
SYD
- IAD
1 stop38h 50m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,357
This Trip.com deal was found by Cheapflights users on 7/29. 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 8/2511:05 am
IAD
- SYD
3 stops66h 05m
Multiple Airlines
Mon 8/318:55 pm
SYD
- IAD
3 stops58h 19m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$1,341
This FlightHub deal was found by Cheapflights users on 8/1. 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.
Wed 8/269:00 pm
IAD
- SYD
2 stops45h 20m
Qatar Airways
Sun 9/272:50 pm
SYD
- IAD
1 stop38h 50m
Qatar Airways
Deal found 8/1![Qatar Airways logo]()
$1,398
This Trip.com deal was found by Cheapflights users on 7/29. 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 8/319:00 pm
IAD
- BNE
1 stop30h 30m
Qatar Airways
Wed 9/1610:10 pm
BNE
- IAD
1 stop31h 30m
Qatar Airways
Deal found 7/29![Qatar Airways logo]()
$1,297
This Jetabroad deal was found by Cheapflights users on 7/28. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:00 pm
IAD
- MEL
1 stop35h 05m
Multiple Airlines
Wed 9/164:10 pm
MEL
- IAD
1 stop37h 30m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,354
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 August 2, 2026.
Search for one-way flight options from Dulles Intl to Australia. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/111:05 am
IAD
- OOL
3 stops34h 25m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/38:59 am
IAD
- OOL
3 stops36h 31m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 9/49:54 pm
IAD
- OOL
3 stops47h 36m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$595
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Tue 9/811:05 am
IAD
- MEL
3 stops58h 55m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$598
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Fri 9/1111:12 am
IAD
- SYD
3 stops41h 58m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$621
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/1111:12 am
IAD
- MEL
2 stops29h 33m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$627
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/1312:30 pm
IAD
- SYD
2 stops53h 00m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$628
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/1211:12 am
IAD
- MEL
2 stops29h 33m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$628
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Wed 9/1611:12 am
IAD
- SYD
2 stops30h 18m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/1211:12 am
IAD
- SYD
3 stops54h 48m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sun 9/137:50 am
IAD
- MEL
2 stops32h 55m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$633
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 9/911:12 am
IAD
- SYD
2 stops30h 18m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$635
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $980 (Trip.com) |
One-way from | $556 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,443 |
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 August 2, 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.Perth
IAD - PER
IADPER
Washington, D.C. Dulles Intl
Tue 9/8
9:00 pm-6:35 pm
1 stop33h 35m
Perth
Tue 9/15
1:45 pm-3:40 pm
2 stops37h 55m
$1,357
Washington, D.C.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Sat 10/17
9:00 pm-5:30 pm
1 stop30h 30m
Brisbane
Thu 11/12
11:25 am-8:10 am
2 stops35h 45m
$1,376
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Sat 11/7
8:05 pm-12:15 am
2 stops36h 10m
Melbourne
Sat 11/14
11:40 pm-3:55 pm
1 stop32h 15m
$1,399
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Tue 1/19
8:05 pm-5:45 am
1 stop41h 40m
Melbourne
Sun 1/31
6:50 pm-3:55 pm
2 stops37h 05m
$1,401
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Mon 11/2
8:05 pm-5:50 pm
1 stop29h 45m
Melbourne
Fri 11/20
5:55 pm-3:55 pm
2 stops38h 00m
$1,406
Washington, D.C.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Wed 1/13
10:50 am-9:50 am
2 stops32h 00m
Brisbane
Sun 3/14
5:25 pm-4:55 pm
2 stops37h 30m
$1,417
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Wed 10/21
9:00 pm-9:20 pm
2 stops33h 20m
Sydney Kingsford Smith
Wed 11/4
3:50 pm-3:55 pm
1 stop40h 05m
$1,420
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Tue 8/25
9:40 pm-7:10 pm
2 stops31h 30m
Sydney Kingsford Smith
Thu 9/10
9:05 pm-11:30 am
2 stops52h 25m
$1,511
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Fri 10/23
9:40 pm-8:10 pm
2 stops31h 30m
Sydney Kingsford Smith
Fri 11/6
9:30 pm-8:25 pm
2 stops38h 55m
$1,521
Washington, D.C.Adelaide
IAD - ADL
IADADL
Washington, D.C. Dulles Intl
Mon 9/14
8:29 am-1:55 pm
2 stops39h 56m
Adelaide
Mon 9/21
8:00 pm-6:30 am
2 stops48h 00m
$1,524
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-HBA
IAD-OOL
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-HBA
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Australia?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Australia (average of $1,319). Flying from Washington, D.C. Dulles Intl Airport to Australia in December is currently the most expensive (average of $2,047). 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. 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 86 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 August 2, 2026.
Get a feel of what it's like to fly with Air New Zealand,Qantas Airways, andUnited Airlines 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.
Comfort
7.9
Food
7.5
Boarding
8.2
Overall
8.0
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Comfort
7.9
Food
7.5
Boarding
8.2
Overall
8.0
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Comfort
7.9
Food
7.5
Boarding
8.2
Overall
8.0
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Comfort
7.9
Food
7.5
Boarding
8.2
Overall
8.0
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Comfort
7.9
Food
7.5
Boarding
8.2
Overall
8.0
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - AKL
Comfort
7.9
Food
7.5
Boarding
8.2
Overall
8.0
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
10.0
ExcellentDebra,Mar 2026
HNL - 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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Alternative routes for Dulles Intl 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.
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Dulles Intl and Australia flights
Browse other Dulles Intl and Australia flight options. Last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 6 airlines flying from Dulles Intl to Australia
Discover the top 6 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$337 | Average$1,650 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$787 | Average$1,294 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$855 | Average$1,398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$973 | Average$1,708 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,195 | Average$1,718 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$2,062 | Average$2,421 | FlexibilityNo cancel fee | On-time68% |