$222+ Cheap flights from Dulles Intl (IAD) to Australia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Oct 18 — Oct 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Dulles Intl to Australia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Dulles Intl to Australia
Cheapest
Best
Last-minute
One-way
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 September 18, 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 September 18, 2026.
This Expedia deal was found by Cheapflights users on 9/15. 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.
Thu 10/153:08 pm -
2 stops27h 52m
Wed 10/212:35 pm -
1 stop23h 48m
Deal found 9/15![Qantas Airways logo]()
$222
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:00 am -
2 stops31h 00m
Tue 11/178:20 am -
2 stops37h 52m
Deal found 9/16![Air New Zealand logo]()
$1,257
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Sun 11/229:25 am -
2 stops33h 10m
Wed 12/911:50 am -
2 stops26h 07m
Deal found 9/15![Air New Zealand logo]()
$1,261
This oojo deal was found by Cheapflights users on 9/14. 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.
Sat 10/2410:18 pm -
2 stops43h 17m
Tue 11/1011:50 am -
2 stops33h 29m
Deal found 9/14![Air New Zealand logo]()
$1,271
This lol.travel deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/29:55 am -
2 stops31h 40m
Mon 11/911:20 am -
2 stops25h 03m
Deal found 9/18![Air Canada logo]()
$1,275
This oojo deal was found by Cheapflights users on 9/17. 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.
Sun 12/138:15 am -
2 stops34h 45m
Sun 1/316:20 pm -
2 stops45h 11m
Deal found 9/17![Air New Zealand logo]()
$1,276
This oojo deal was found by Cheapflights users on 9/14. 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.
Wed 11/118:25 am -
2 stops31h 35m
Tue 11/246:10 pm -
2 stops42h 46m
Deal found 9/14![Air New Zealand logo]()
$1,278
This oojo deal was found by Cheapflights users on 9/14. 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.
Sun 11/228:15 am -
2 stops32h 20m
Mon 12/77:25 pm -
2 stops49h 44m
Deal found 9/14![Air New Zealand logo]()
$1,280
This Justfly.com deal was found by Cheapflights users on 9/15. 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.
Tue 11/246:39 am -
2 stops34h 16m
Wed 2/312:10 pm -
2 stops29h 07m
Deal found 9/15![Air New Zealand logo]()
$1,290
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:39 am -
2 stops35h 16m
Tue 11/1010:20 am -
2 stops35h 57m
Deal found 9/14![Air New Zealand logo]()
$1,291
This oojo deal was found by Cheapflights users on 9/14. 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.
Sat 11/145:54 pm -
2 stops47h 01m
Wed 12/28:15 am -
2 stops29h 42m
Deal found 9/14![Air New Zealand logo]()
$1,301
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2910:13 pm -
2 stops42h 42m
Mon 3/110:20 am -
2 stops30h 30m
Deal found 9/14![Air New Zealand logo]()
$1,305
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 September 18, 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 September 18, 2026.
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:55 am -
3 stops40h 35m
Sun 11/16:35 am -
3 stops29h 20m
Deal found 9/13![Multiple Airlines logo]()
$1,417
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:55 am -
3 stops35h 25m
Mon 1/257:05 am -
3 stops29h 05m
Deal found 9/16![Air Canada logo]()
$1,448
This oojo deal was found by Cheapflights users on 9/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:25 am -
1 stop33h 05m
Mon 11/910:20 am -
2 stops30h 20m
Deal found 9/13![Air New Zealand logo]()
$1,482
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:20 pm -
2 stops54h 05m
Sun 12/279:35 pm -
2 stops37h 50m
Deal found 9/14![Turkish Airlines logo]()
$1,594
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/291:14 pm -
2 stops27h 16m
Wed 1/1310:40 am -
2 stops26h 32m
Deal found 9/15![Delta logo]()
$1,643
This Alaska Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 2/45:30 pm -
3 stops44h 55m
Thu 2/1811:15 am -
3 stops34h 16m
Deal found 9/18![Alaska Airlines logo]()
$1,724
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:38 pm -
1 stop22h 52m
Mon 11/2311:20 am -
2 stops24h 52m
Deal found 9/17![United Airlines logo]()
$1,767
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/177:18 am -
2 stops38h 52m
Mon 1/256:20 am -
2 stops33h 32m
Deal found 9/18![American Airlines logo]()
$1,867
This oojo deal was found by Cheapflights users on 9/15. 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.
Fri 1/2210:50 am -
2 stops29h 30m
Sun 1/3112:30 pm -
2 stops43h 25m
Deal found 9/15![Qatar Airways logo]()
$1,981
This oojo deal was found by Cheapflights users on 9/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:50 pm -
1 stop21h 40m
Fri 1/89:40 am -
1 stop21h 29m
Deal found 9/13![Qantas Airways logo]()
$2,019
This Emirates deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 3/1611:15 am -
1 stop29h 15m
Tue 3/301:55 am -
1 stop44h 45m
Deal found 9/18![Emirates logo]()
$2,042
This Cathay Pacific deal was found by Cheapflights users on 9/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:09 pm -
3 stops44h 26m
Sun 11/87:45 pm -
3 stops43h 15m
Deal found 9/17![Cathay Pacific logo]()
$2,126
This Ethiopian Air deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ethiopian Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:00 am -
2 stops63h 00m
Sat 12/56:20 pm -
3 stops53h 40m
Deal found 9/18![Ethiopian Air logo]()
$2,186
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:45 pm -
2 stops42h 45m
Tue 1/128:45 pm -
3 stops56h 00m
Deal found 9/16![KLM logo]()
$2,656
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/912:39 pm -
3 stops34h 56m
Fri 11/276:00 am -
3 stops30h 10m
Deal found 9/15![Multiple Airlines logo]()
$1,447
This oojo deal was found by Cheapflights users on 9/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:38 pm -
2 stops29h 07m
Thu 11/57:45 am -
2 stops28h 04m
Deal found 9/13![Air New Zealand logo]()
$1,616
This Air Canada deal was found by Cheapflights users on 9/16. 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 10/194:00 pm -
3 stops31h 10m
Mon 11/26:00 am -
3 stops30h 10m
Deal found 9/16![Multiple Airlines logo]()
$1,501
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/291:14 pm -
2 stops27h 16m
Sat 6/199:15 am -
2 stops25h 57m
Deal found 9/13![Delta logo]()
$1,693
This oojo deal was found by Cheapflights users on 9/15. 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.
Fri 10/309:25 am -
2 stops34h 20m
Fri 11/610:55 am -
2 stops26h 01m
Deal found 9/15![Air New Zealand logo]()
$1,616
This Gotogate deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/21:15 pm -
3 stops32h 05m
Mon 11/97:05 am -
3 stops29h 05m
Deal found 9/18![Air Canada logo]()
$1,780
This United Airlines deal was found by Cheapflights users on 9/16. 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 2/112:35 pm -
1 stop27h 55m
Wed 2/1711:20 am -
1 stop28h 57m
Deal found 9/16![United Airlines logo]()
$1,783
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:55 am -
3 stops36h 30m
Fri 11/66:00 am -
3 stops29h 10m
Deal found 9/15![Multiple Airlines logo]()
$1,503
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/246:20 pm -
1 stop24h 10m
Wed 2/311:30 am -
1 stop25h 05m
Deal found 9/18![United Airlines logo]()
$1,789
This Jetabroad deal was found by Cheapflights users on 9/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/222:36 pm -
3 stops34h 54m
Sun 1/317:50 pm -
3 stops41h 29m
Deal found 9/15![Air New Zealand logo]()
$1,644
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/712:40 pm -
3 stops32h 40m
Thu 2/117:55 am -
3 stops47h 50m
Deal found 9/15![Air Canada logo]()
$1,835
This Qatar Airways deal was found by Cheapflights users on 9/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/710:50 am -
2 stops29h 30m
Thu 2/1112:30 pm -
2 stops36h 00m
Deal found 9/16![Qatar Airways logo]()
$2,024
This Cathay Pacific deal was found by Cheapflights users on 9/17. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:02 am -
2 stops38h 13m
Tue 10/278:40 am -
2 stops29h 43m
Deal found 9/17![Multiple Airlines logo]()
$1,557
This Emirates deal was found by Cheapflights users on 9/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1010:30 am -
1 stop29h 00m
Thu 3/185:35 am -
2 stops65h 25m
Deal found 9/15![Emirates logo]()
$2,083
This United Airlines deal was found by Cheapflights users on 9/16. 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 2/15:40 pm -
1 stop22h 50m
Sun 2/2111:20 am -
2 stops22h 45m
Deal found 9/16![United Airlines logo]()
$1,837
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Sun 1/310:50 am -
1 stop26h 55m
Mon 1/185:10 pm -
1 stop38h 45m
Deal found 9/13![Qatar Airways logo]()
$2,063
Last-minute flights from Dulles Intl to AustraliaDiscover last-minute flight deals from Dulles Intl to Australia. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Australia. Data last updated September 18, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/15. 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.
Thu 10/153:08 pm -
2 stops27h 52m
Wed 10/212:35 pm -
1 stop23h 48m
Deal found 9/15![Qantas Airways logo]()
$222
This lol.travel deal was found by Cheapflights users on 9/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:00 pm -
2 stops25h 35m
Mon 10/2610:20 am -
2 stops25h 03m
Deal found 9/15![Air Canada logo]()
$1,307
This oojo deal was found by Cheapflights users on 9/14. 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.
Sat 10/2410:18 pm -
2 stops43h 17m
Tue 11/1011:50 am -
2 stops33h 29m
Deal found 9/14![Air New Zealand logo]()
$1,271
This lol.travel deal was found by Cheapflights users on 9/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2410:19 pm -
2 stops43h 16m
Sat 10/3110:20 am -
2 stops25h 03m
Deal found 9/14![Air Canada logo]()
$1,309
This oojo deal was found by Cheapflights users on 9/15. 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.
Sat 10/2410:18 pm -
2 stops43h 17m
Fri 10/3011:50 am -
2 stops27h 50m
Deal found 9/15![Air New Zealand logo]()
$1,319
This oojo deal was found by Cheapflights users on 9/14. 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.
Sat 10/2410:18 pm -
2 stops43h 37m
Fri 10/3012:10 pm -
2 stops24h 46m
Deal found 9/14![Air New Zealand logo]()
$1,348
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Sun 10/256:39 am -
2 stops34h 56m
Wed 11/112:05 pm -
2 stops33h 07m
Deal found 9/15![Air New Zealand logo]()
$1,261
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:39 am -
2 stops35h 16m
Tue 11/1010:20 am -
2 stops35h 57m
Deal found 9/14![Air New Zealand logo]()
$1,291
This oojo deal was found by Cheapflights users on 9/14. 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.
Sun 10/256:15 am -
2 stops35h 40m
Fri 10/3012:10 pm -
2 stops27h 30m
Deal found 9/14![Air New Zealand logo]()
$1,338
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:25 am -
2 stops33h 10m
Mon 11/99:55 am -
2 stops30h 45m
Deal found 9/16![Air New Zealand logo]()
$1,308
This oojo deal was found by Cheapflights users on 9/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:54 pm -
2 stops48h 01m
Sat 11/77:10 pm -
2 stops45h 30m
Deal found 9/16![Air New Zealand logo]()
$1,319
This oojo deal was found by Cheapflights users on 9/14. 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.
Sat 10/315:54 pm -
2 stops47h 41m
Sat 11/711:50 am -
2 stops26h 06m
Deal found 9/14![Air New Zealand logo]()
$1,320
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 September 18, 2026.
Search for one-way flight options from Dulles Intl to Australia. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:05 am -
2 stops31h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 10/317:52 am -
2 stops31h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:40 am -
2 stops31h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Sat 11/712:31 pm -
2 stops49h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$641
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:46 am -
2 stops29h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$678
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:00 am -
2 stops31h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$693
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/318:20 pm -
1 stop42h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 2/267:00 am -
2 stops31h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$729
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 3/115:38 pm -
2 stops44h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$730
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 2/135:25 pm -
3 stops48h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$735
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Wed 10/141:20 pm -
2 stops54h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$790
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 12/73:08 pm -
3 stops48h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$810
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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $222 (Expedia) |
Popular in | December |
Cheapest in | April |
Average price | $1,452 |
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 7,457,451 searches. Data last updated September 18, 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 Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith
IADSYD
Washington, D.C. Dulles Intl
Mon 10/26
7:02 am-9:35 am
2 stops35h 33m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$793
Washington, D.C.Sydney
IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith
IADSYD
Washington, D.C. Dulles Intl
Wed 3/10
6:10 am-9:35 am
2 stops35h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$793
Washington, D.C.Sydney
IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith
IADSYD
Washington, D.C. Dulles Intl
Tue 2/23
6:10 am-9:35 am
2 stops35h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$793
Washington, D.C.Brisbane
IAD Washington, D.C. Dulles Intl - BNE Brisbane
IADBNE
Washington, D.C. Dulles Intl
Mon 12/7
3:08 pm-6:50 am
3 stops48h 42m
Brisbane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$810
Washington, D.C.Perth
IAD Washington, D.C. Dulles Intl - PER Perth
IADPER
Washington, D.C. Dulles Intl
Fri 11/20
9:55 am-6:55 am
2 stops32h 00m
Perth
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$819
Washington, D.C.Perth
IAD Washington, D.C. Dulles Intl - PER Perth
IADPER
Washington, D.C. Dulles Intl
Sat 11/21
9:55 am-6:55 am
2 stops32h 00m
Perth
Wed 12/31
12:00 am-11:00 am
Nonstop0h 00m
$819
Washington, D.C.Melbourne
IAD Washington, D.C. Dulles Intl - MEL Melbourne
IADMEL
Washington, D.C. Dulles Intl
Mon 10/19
6:00 am-7:30 am
2 stops34h 30m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$826
Washington, D.C.Sydney
IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith
IADSYD
Washington, D.C. Dulles Intl
Sun 11/8
6:00 am-9:50 am
2 stops35h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$828
Washington, D.C.Sydney
IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith
IADSYD
Washington, D.C. Dulles Intl
Mon 10/12
9:40 pm-8:10 pm
2 stops31h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$851
Washington, D.C.Sydney
IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith
IADSYD
Washington, D.C. Dulles Intl
Sat 2/20
5:50 pm-8:50 pm
2 stops35h 00m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$853
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-BNE
IAD-SYD
IAD-CBR
IAD-ADL
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-BNE
IAD-SYD
IAD-CBR
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Australia?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Australia (average of $1,256). Flying from Washington, D.C. Dulles Intl Airport to Australia in December is currently the most expensive (average of $2,112). 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 3 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 September 18, 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
Crew
8.5
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Comfort
7.9
Food
7.5
Boarding
8.2
Crew
8.5
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Comfort
7.9
Food
7.5
Boarding
8.2
Crew
8.5
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Comfort
7.9
Food
7.5
Boarding
8.2
Crew
8.5
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Comfort
7.9
Food
7.5
Boarding
8.2
Crew
8.5
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Comfort
7.9
Food
7.5
Boarding
8.2
Crew
8.5
Entertainment
7.4
Overall
8.0
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top regions
Alternative routes for Dulles Intl to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Dulles Intl to Australia by cabin class
Find flights from Dulles Intl to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Dulles Intl and Australia flights
Browse other Dulles Intl and Australia flight options. Last updated on September 18, 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 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$357 | Average$1,704 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$787 | Average$1,416 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$852 | Average$1,288 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$973 | Average$1,683 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,149 | Average$1,625 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$2,062 | Average$2,586 | FlexibilityNo cancel fee | On-time68% |