$526+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Jul 17 — Jul 241
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 June 17, 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 June 17, 2026.
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/299:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Sat 8/81:30 pm
MEL
- IAD
3 stops37h 17m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,178
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/279:50 am
IAD
- SYD
3 stops46h 20m
Multiple Airlines
Fri 7/311:15 pm
SYD
- IAD
3 stops33h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,203
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Tue 8/251:15 pm
SYD
- IAD
3 stops42h 26m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,233
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/289:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Tue 8/41:25 pm
MEL
- IAD
3 stops34h 51m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,252
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/309:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Thu 8/66:15 am
SYD
- IAD
3 stops40h 05m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,284
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/309:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Thu 8/61:30 pm
MEL
- IAD
3 stops32h 50m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,284
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 10/207:00 am
IAD
- MEL
2 stops32h 45m
Alaska Airlines
Tue 10/2711:15 pm
MEL
- IAD
2 stops39h 44m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$1,362
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 6/307:30 am
IAD
- SYD
3 stops38h 20m
Multiple Airlines
Tue 7/141:15 pm
SYD
- IAD
3 stops35h 01m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,380
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/209:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Thu 7/301:15 pm
SYD
- IAD
3 stops33h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,383
This Trip.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:59 am
IAD
- SYD
3 stops60h 51m
Multiple Airlines
Sun 9/271:15 pm
SYD
- IAD
3 stops43h 54m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,385
This Trip.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 8/49:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Tue 8/111:15 pm
SYD
- IAD
3 stops35h 01m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,398
This Trip.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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
- BNE
2 stops28h 06m
Multiple Airlines
Fri 7/108:35 pm
BNE
- IAD
2 stops25h 45m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,440
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 June 17, 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 June 17, 2026.
This Air Canada deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 9/68:29 am
IAD
- BNE
1 stop32h 36m
Air Canada
Tue 9/1510:15 am
BNE
- IAD
1 stop34h 15m
Air Canada
Deal found 6/12![Air Canada logo]()
$1,479
This Alaska Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 10/107:00 am
IAD
- MEL
2 stops32h 45m
Alaska Airlines
Sat 10/3111:15 pm
MEL
- IAD
2 stops46h 36m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$1,511
This Air Canada deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 11/179:55 am
IAD
- AVV
3 stops36h 10m
Multiple Airlines
Tue 11/246:00 am
AVV
- IAD
3 stops45h 44m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,512
This Turkish Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:45 pm
IAD
- SYD
2 stops31h 25m
Turkish Airlines
Sun 12/209:30 pm
SYD
- IAD
2 stops37h 55m
Turkish Airlines
Deal found 6/16![Turkish Airlines logo]()
$1,718
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:48 pm
IAD
- BNE
1 stop22h 42m
United Airlines
Wed 9/3010:30 am
BNE
- IAD
1 stop19h 48m
United Airlines
Deal found 6/13![United Airlines logo]()
$1,795
This oojo deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 12/16:30 am
IAD
- HBA
2 stops36h 30m
Air New Zealand
Tue 12/1512:25 pm
HBA
- IAD
2 stops24h 47m
Air New Zealand
Deal found 6/17![Air New Zealand logo]()
$1,818
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Tue 11/175:03 pm
IAD
- CBR
2 stops26h 17m
American Airlines
Mon 1/256:10 am
CBR
- IAD
2 stops31h 07m
American Airlines
Deal found 6/13![American Airlines logo]()
$1,896
This Emirates deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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.
Mon 8/310:55 am
IAD
- SYD
1 stop29h 10m
Emirates
Sat 9/58:45 pm
SYD
- IAD
1 stop49h 55m
Emirates
Deal found 6/17![Emirates logo]()
$1,914
This oojo deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 11/195:03 pm
IAD
- AVV
2 stops30h 47m
Qantas Airways
Sat 12/52:50 pm
AVV
- IAD
2 stops47h 53m
Qantas Airways
Deal found 6/14![Qantas Airways logo]()
$2,147
This Qatar Airways deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 11/198:05 pm
IAD
- PER
1 stop33h 40m
Qatar Airways
Thu 12/37:45 am
PER
- IAD
2 stops37h 35m
Qatar Airways
Deal found 6/15![Qatar Airways logo]()
$2,210
This Malaysia Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:00 pm
IAD
- PER
2 stops40h 25m
Malaysia Airlines
Wed 10/284:15 pm
PER
- IAD
2 stops36h 40m
Malaysia Airlines
Deal found 6/12![Malaysia Airlines logo]()
$2,231
This KLM deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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.
Thu 11/195:45 pm
IAD
- PER
2 stops41h 10m
KLM
Thu 12/38:45 pm
PER
- IAD
3 stops56h 10m
KLM
Deal found 6/15![KLM logo]()
$2,665
This Air Canada deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 10/2012:43 pm
IAD
- AVV
3 stops34h 27m
Multiple Airlines
Tue 10/276:00 am
AVV
- IAD
3 stops30h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,512
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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.
Thu 8/610:10 pm
IAD
- BNE
2 stops42h 55m
Air Canada
Sun 8/1610:00 am
BNE
- IAD
2 stops49h 18m
Air Canada
Deal found 6/12![Air Canada logo]()
$1,516
This Alaska Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 9/187:00 am
IAD
- MEL
2 stops33h 45m
Alaska Airlines
Tue 9/229:45 am
MEL
- IAD
3 stops33h 55m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$1,538
This Air Canada deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 11/59:55 am
IAD
- AVV
3 stops36h 10m
Multiple Airlines
Wed 11/116:00 am
AVV
- IAD
3 stops31h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,550
This Air Canada deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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
- CBR
2 stops36h 11m
Air Canada
Mon 9/216:40 pm
CBR
- IAD
2 stops49h 50m
Air Canada
Deal found 6/16![Air Canada logo]()
$1,556
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 8/43:39 pm
IAD
- MEL
2 stops26h 36m
United Airlines
Tue 8/1110:55 am
MEL
- IAD
1 stop22h 10m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,800
This FlightHub deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 11/179:55 am
IAD
- CBR
3 stops39h 55m
Multiple Airlines
Mon 1/255:10 pm
CBR
- IAD
3 stops43h 00m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,588
This Booking.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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.
Sun 9/65:48 pm
IAD
- CBR
3 stops31h 07m
Air New Zealand
Sun 9/138:00 am
CBR
- IAD
3 stops30h 57m
Air New Zealand
Deal found 6/16![Air New Zealand logo]()
$1,930
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/108:15 am
IAD
- MEL
1 stop33h 15m
United Airlines
Wed 8/199:30 am
MEL
- IAD
1 stop20h 53m
United Airlines
Deal found 6/16![United Airlines logo]()
$1,801
This Air Canada deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 10/612:43 pm
IAD
- AVV
3 stops34h 27m
Multiple Airlines
Wed 10/216:00 am
AVV
- IAD
3 stops29h 25m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,604
This Emirates deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Sat 10/2410:55 am
IAD
- CNS
2 stops45h 45m
Emirates
Wed 10/286:00 am
CNS
- IAD
2 stops65h 00m
Emirates
Deal found 6/13![Emirates logo]()
$2,158
This Alaska Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 8/227:00 am
IAD
- SYD
3 stops34h 30m
Alaska Airlines
Sat 8/295:50 pm
SYD
- IAD
2 stops25h 50m
Alaska Airlines
Deal found 6/16![Alaska Airlines logo]()
$1,966
This United Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/22:51 pm
IAD
- BNE
1 stop25h 39m
United Airlines
Sun 8/1610:30 am
BNE
- IAD
2 stops22h 53m
United Airlines
Deal found 6/13![United Airlines logo]()
$1,801
This Justfly.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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.
Wed 6/245:48 pm
IAD
- ADL
2 stops30h 22m
Air New Zealand
Mon 7/2712:05 pm
ADL
- IAD
2 stops32h 23m
Air New Zealand
Deal found 6/15![Air New Zealand logo]()
$2,015
This Aunt Betty deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:00 pm
IAD
- ADL
1 stop28h 30m
Qatar Airways
Wed 8/511:50 am
ADL
- IAD
2 stops34h 25m
Qatar Airways
Deal found 6/14![Qatar Airways logo]()
$2,301
This Alaska Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:47 pm
IAD
- SYD
2 stops35h 03m
Multiple Airlines
Sun 8/308:45 pm
SYD
- IAD
2 stops35h 29m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,636
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 8/512:40 pm
IAD
- BNE
1 stop27h 50m
United Airlines
Sun 8/1610:30 am
BNE
- IAD
1 stop19h 48m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,806
This oojo deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 6/239:45 am
IAD
- BNE
2 stops35h 20m
Air New Zealand
Sat 7/45:15 pm
BNE
- IAD
2 stops50h 11m
Air New Zealand
Deal found 6/15![Air New Zealand logo]()
$2,022
Last-minute flights from Dulles Intl to AustraliaDiscover last-minute flight deals from Dulles Intl to Australia. Data last updated June 17, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Australia. Data last updated June 17, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 6/307:30 am
IAD
- SYD
3 stops38h 20m
Multiple Airlines
Tue 7/141:15 pm
SYD
- IAD
3 stops35h 01m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,380
This Trip.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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
- BNE
2 stops28h 06m
Multiple Airlines
Fri 7/108:35 pm
BNE
- IAD
2 stops25h 45m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,440
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/209:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Thu 7/301:15 pm
SYD
- IAD
3 stops33h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,383
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/2510:10 pm
IAD
- BNE
2 stops42h 55m
Air Canada
Mon 8/310:00 am
BNE
- IAD
2 stops43h 01m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,482
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/279:50 am
IAD
- SYD
3 stops46h 20m
Multiple Airlines
Fri 7/311:15 pm
SYD
- IAD
3 stops33h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,203
This Expedia deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:45 pm
IAD
- SYD
2 stops25h 35m
Air Canada
Fri 7/319:20 am
SYD
- IAD
2 stops23h 41m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,467
This Trip.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/289:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Tue 8/41:25 pm
MEL
- IAD
3 stops34h 51m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,252
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/288:18 am
IAD
- SYD
2 stops33h 02m
Air Canada
Wed 8/129:20 am
SYD
- IAD
2 stops36h 23m
Air Canada
Deal found 6/15![Air Canada logo]()
$1,481
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 7/299:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Sat 8/81:30 pm
MEL
- IAD
3 stops37h 17m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,178
This Air Canada deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Wed 7/293:45 pm
IAD
- BNE
2 stops25h 20m
Air Canada
Fri 8/1410:00 am
BNE
- IAD
2 stops23h 01m
Air Canada
Deal found 6/13![Air Canada logo]()
$1,513
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/309:50 am
IAD
- SYD
3 stops36h 00m
Multiple Airlines
Thu 8/66:15 am
SYD
- IAD
3 stops40h 05m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,284
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” 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 7/309:50 am
IAD
- MEL
3 stops36h 10m
Multiple Airlines
Thu 8/61:30 pm
MEL
- IAD
3 stops32h 50m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,284
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 June 17, 2026.
Search for one-way flight options from Dulles Intl to Australia. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:50 am
IAD
- SYD
3 stops60h 00m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/89:57 pm
IAD
- SYD
3 stops47h 53m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/79:50 am
IAD
- SYD
3 stops60h 00m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$532
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/99:50 am
IAD
- SYD
3 stops60h 00m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$589
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” 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 10/128:00 pm
IAD
- MEL
3 stops50h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:28 pm
IAD
- SYD
3 stops57h 22m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:20 am
IAD
- BNE
3 stops58h 45m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 8/37:49 am
IAD
- SYD
3 stops38h 01m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$625
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:20 am
IAD
- SYD
3 stops56h 40m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$635
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:32 pm
IAD
- SYD
3 stops32h 18m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$650
This Trip.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 8/33:10 pm
IAD
- PER
3 stops68h 35m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” 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 7/97:49 am
IAD
- SYD
3 stops38h 01m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$668
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 June 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,178 (Trip.com) |
One-way from | $526 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $1,571 |
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 June 17, 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.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Sun 9/6
8:29 am-7:05 am
1 stop32h 36m
Brisbane
Tue 9/15
10:15 am-6:30 am
1 stop34h 15m
$1,479
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Sat 10/10
7:00 am-6:45 am
2 stops32h 45m
Melbourne
Sat 10/31
11:15 pm-6:51 am
2 stops46h 36m
$1,511
Washington, D.C.Melbourne
IAD - AVV
IADAVV
Washington, D.C. Dulles Intl
Tue 11/17
9:55 am-2:05 pm
3 stops36h 10m
Melbourne Avalon
Tue 11/24
6:00 am-11:44 am
3 stops45h 44m
$1,512
Washington, D.C.Melbourne
IAD - AVV
IADAVV
Washington, D.C. Dulles Intl
Tue 10/20
12:43 pm-2:10 pm
3 stops34h 27m
Melbourne Avalon
Tue 10/27
6:00 am-9:05 pm
3 stops30h 05m
$1,512
Washington, D.C.Brisbane
IAD - BNE
IADBNE
Washington, D.C. Dulles Intl
Thu 8/6
10:10 pm-7:05 am
2 stops42h 55m
Brisbane
Sun 8/16
10:00 am-9:18 pm
2 stops49h 18m
$1,516
Washington, D.C.Melbourne
IAD - MEL
IADMEL
Washington, D.C. Dulles Intl
Fri 9/18
7:00 am-6:45 am
2 stops33h 45m
Melbourne
Tue 9/22
9:45 am-5:40 am
3 stops33h 55m
$1,538
Washington, D.C.Melbourne
IAD - AVV
IADAVV
Washington, D.C. Dulles Intl
Thu 11/5
9:55 am-2:05 pm
3 stops36h 10m
Melbourne Avalon
Wed 11/11
6:00 am-9:05 pm
3 stops31h 05m
$1,550
Washington, D.C.Canberra
IAD - CBR
IADCBR
Washington, D.C. Dulles Intl
Mon 9/14
8:29 am-10:40 am
2 stops36h 11m
Canberra
Mon 9/21
6:40 pm-6:30 am
2 stops49h 50m
$1,556
Washington, D.C.Canberra
IAD - CBR
IADCBR
Washington, D.C. Dulles Intl
Tue 11/17
9:55 am-5:50 pm
3 stops39h 55m
Canberra
Mon 1/25
5:10 pm-8:10 pm
3 stops43h 00m
$1,588
Washington, D.C.Melbourne
IAD - AVV
IADAVV
Washington, D.C. Dulles Intl
Tue 10/6
12:43 pm-2:10 pm
3 stops34h 27m
Melbourne Avalon
Wed 10/21
6:00 am-8:25 pm
3 stops29h 25m
$1,604
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-MEL
IAD-SYD
IAD-BNE
IAD-PER
IAD-AVV
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-MEL
IAD-SYD
IAD-BNE
IAD-PER
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.
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 77 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 17, 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.
Comfort
7.9
Food
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Entertainment
7.4
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Comfort
7.9
Food
7.4
Overall
8.0
Boarding
8.2
Crew
8.5
Entertainment
7.4
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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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 June 17, 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 7 airlines flying from Dulles Intl to Australia
Discover the top 7 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 June 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$377 | Average$1,719 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$609 | Average$1,050 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$839 | Average$1,316 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$855 | Average$1,544 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,167 | Average$1,728 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,195 | Average$1,793 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$2,062 | Average$2,421 | FlexibilityNo cancel fee | On-time68% |