How long is the flight from Australia to Washington, D.C. Dulles Intl Airport?

A quick flight from Australia to Washington, D.C. Dulles Intl Airport can take about 30h 45m. Air Canada provides one of the quickest options available for as low as $1,443. Airlines will cover a distance of 10156 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from Australia to Washington, D.C. Dulles Intl Airport?

While some choose either Melbourne - Washington, D.C. Dulles Intl or Brisbane - Washington, D.C. Dulles Intl, Sydney Kingsford Smith - Washington, D.C. Dulles Intl is the most popular route from Australia to Washington, D.C. Dulles Intl Airport.

What is the cheapest time of day to fly from AU to IAD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Washington, D.C. Dulles Intl Airport as you normally would.

Can I find deals for flights from Australia to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Australia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Australia to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Dulles Intl.

Can I find deals for business class flights from Australia to Dulles Intl?

Yes. Cheapflights offers flight deals from Australia to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$676+ Cheap Flights from Australia to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Australia to Dulles Intl

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Best

Last-minute

One-way

Cheapest flights from Australia to Dulles Intl
Explore the most affordable flight options available from Australia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.

Tue 10/2010:20 am -

2 stops39h 53m

Tue 10/279:55 am -

2 stops31h 40m

Deal found 9/11

$973

Wed 11/1110:45 am -

2 stops24h 38m

Sun 11/229:55 am -

2 stops31h 50m

Deal found 9/12

$981

Tue 10/202:15 pm -

3 stops31h 05m

Tue 10/278:05 am -

3 stops37h 30m

Deal found 9/11

$982

Wed 10/289:45 am -

2 stops24h 38m

Wed 11/49:55 am -

2 stops31h 50m

Deal found 9/13

$988

Thu 11/1911:20 am -

2 stops25h 03m

Thu 12/39:55 am -

2 stops29h 00m

Deal found 9/13

$995

Wed 11/410:45 am -

2 stops24h 25m

Wed 11/189:55 am -

2 stops31h 50m

Deal found 9/12

$1,028

Tue 10/2710:20 am -

2 stops25h 03m

Sat 10/311:19 pm -

2 stops28h 16m

Deal found 9/12

$1,041

Thu 10/2910:20 am -

2 stops24h 50m

Thu 11/59:55 am -

2 stops31h 40m

Deal found 9/14

$1,042

Fri 10/162:20 pm -

3 stops31h 00m

Wed 10/288:05 am -

3 stops37h 20m

Deal found 9/15

$1,048

Wed 11/1811:20 am -

2 stops25h 03m

Wed 11/259:55 am -

2 stops31h 40m

Deal found 9/12

$1,049

Wed 10/2810:20 am -

2 stops25h 03m

Wed 11/49:55 am -

2 stops31h 40m

Deal found 9/13

$1,051

Tue 10/1310:20 am -

2 stops44h 05m

Tue 10/204:00 pm -

2 stops25h 20m

Deal found 9/14

$1,058

Best flights from Australia to Dulles Intl
Discover carefully curated flight deals from Australia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Thu 10/810:00 am -

2 stops35h 43m

Wed 10/148:15 am -

2 stops32h 50m

Deal found 9/12

$1,086

Thu 11/1210:35 pm -

1 stop37h 20m

Sat 11/2111:55 pm -

1 stop29h 25m

Deal found 9/13

$1,430

Wed 11/184:50 pm -

1 stop32h 15m

Wed 11/252:35 pm -

1 stop35h 10m

Deal found 9/12

$1,471

Mon 11/234:50 pm -

2 stops39h 19m

Thu 12/32:35 pm -

1 stop35h 10m

Deal found 9/15

$1,493

Tue 3/24:10 pm -

1 stop39h 45m

Thu 3/118:05 pm -

1 stop29h 45m

Deal found 9/16

$1,564

Thu 11/1912:10 pm -

2 stops28h 30m

Sat 12/52:40 pm -

2 stops26h 15m

Deal found 9/15

$1,591

Mon 11/2312:45 pm -

1 stop22h 16m

Fri 12/42:35 pm -

2 stops26h 55m

Deal found 9/15

$1,910

Mon 12/72:05 pm -

1 stop20h 14m

Sun 12/2712:14 pm -

1 stop26h 41m

Deal found 9/13

$1,957

Thu 10/1510:20 pm -

1 stop46h 30m

Thu 10/2210:55 am -

1 stop42h 40m

Deal found 9/16

$2,347

Tue 10/276:30 am -

3 stops28h 40m

Tue 11/34:30 pm -

3 stops33h 30m

Deal found 9/12

$1,223

Tue 10/209:35 pm -

1 stop51h 10m

Tue 10/273:35 pm -

1 stop47h 55m

Deal found 9/11

$1,507

Thu 10/110:15 pm -

1 stop37h 45m

Sat 10/245:45 pm -

2 stops36h 35m

Deal found 9/15

$1,637

Wed 11/46:20 pm -

1 stop30h 45m

Sun 11/82:35 pm -

1 stop34h 25m

Deal found 9/16

$1,576

Thu 11/53:50 pm -

1 stop32h 20m

Mon 11/98:05 pm -

1 stop42h 45m

Deal found 9/15

$1,781

Thu 11/196:20 pm -

1 stop30h 45m

Sat 12/52:35 pm -

2 stops41h 00m

Deal found 9/16

$1,642

Mon 10/267:05 am -

3 stops28h 05m

Mon 11/21:15 pm -

3 stops36h 45m

Deal found 9/14

$1,644

Thu 11/1912:45 pm -

1 stop22h 16m

Sat 12/56:00 pm -

1 stop23h 30m

Deal found 9/14

$1,918

Tue 11/1010:55 am -

2 stops33h 24m

Sun 11/222:38 pm -

2 stops28h 07m

Deal found 9/15

$1,929

Wed 11/181:30 pm -

2 stops35h 35m

Wed 11/252:35 pm -

1 stop35h 10m

Deal found 9/12

$1,660

Tue 10/2710:20 am -

2 stops37h 50m

Tue 11/38:05 pm -

2 stops45h 55m

Deal found 9/12

$1,908

Thu 11/1211:15 am -

2 stops28h 25m

Tue 12/12:24 pm -

2 stops28h 36m

Deal found 9/16

$1,982

Wed 11/1111:20 am -

1 stop19h 48m

Sun 11/2210:35 pm -

2 stops41h 55m

Deal found 9/12

$2,019

Thu 10/2912:25 am -

2 stops33h 10m

Fri 11/611:35 pm -

2 stops34h 20m

Deal found 9/15

$1,688

Mon 11/2310:55 pm -

2 stops32h 12m

Sat 12/55:10 pm -

2 stops32h 00m

Deal found 9/15

$2,270

Mon 10/264:05 pm -

2 stops39h 50m

Mon 11/28:05 pm -

2 stops47h 30m

Deal found 9/14

$1,918

Sat 2/1310:20 pm -

1 stop46h 50m

Wed 2/1710:30 am -

1 stop41h 50m

Deal found 9/16

$2,372

Tue 12/228:20 am -

2 stops27h 31m

Mon 1/258:30 am -

2 stops31h 30m

Deal found 9/17

$2,017

Thu 11/199:30 pm -

1 stop51h 35m

Sat 12/52:35 pm -

1 stop35h 10m

Deal found 9/13

$2,051

Tue 10/208:45 pm -

3 stops36h 05m

Thu 10/225:33 pm -

3 stops34h 17m

Deal found 9/15

$1,698

Thu 1/2811:30 am -

2 stops36h 00m

Sun 1/3110:50 am -

2 stops33h 30m

Deal found 9/16

$1,938

Last-minute flights from Australia to Dulles Intl
Discover last-minute flight deals from Australia to Dulles Intl. Data last updated September 17, 2026 and is based on user searches.

Thu 10/810:00 am -

2 stops35h 43m

Wed 10/281:19 pm -

2 stops28h 26m

Deal found 9/14

$1,086

Thu 10/810:00 am -

2 stops35h 43m

Thu 10/299:55 am -

2 stops31h 50m

Deal found 9/14

$1,090

Mon 10/1210:20 am -

2 stops44h 05m

Mon 10/199:55 am -

2 stops31h 25m

Deal found 9/14

$1,072

Tue 10/1310:20 am -

2 stops44h 05m

Tue 10/204:00 pm -

2 stops25h 20m

Deal found 9/14

$1,058

Fri 10/162:20 pm -

3 stops31h 00m

Wed 10/288:05 am -

3 stops37h 20m

Deal found 9/15

$1,048

Tue 10/2010:20 am -

2 stops39h 53m

Tue 10/279:55 am -

2 stops31h 40m

Deal found 9/11

$973

Tue 10/202:15 pm -

3 stops31h 05m

Tue 10/278:05 am -

3 stops37h 30m

Deal found 9/11

$982

Tue 10/2710:20 am -

2 stops25h 03m

Sat 10/311:19 pm -

2 stops28h 16m

Deal found 9/12

$1,041

Wed 10/289:45 am -

2 stops24h 38m

Wed 11/49:55 am -

2 stops31h 50m

Deal found 9/13

$988

Wed 10/2810:20 am -

2 stops25h 03m

Wed 11/49:55 am -

2 stops31h 40m

Deal found 9/13

$1,051

Wed 10/287:50 pm -

3 stops39h 36m

Wed 11/41:19 pm -

2 stops28h 26m

Deal found 9/13

$1,074

Thu 10/2910:20 am -

2 stops24h 50m

Thu 11/59:55 am -

2 stops31h 40m

Deal found 9/14

$1,042

One-way flights from Australia to Dulles Intl
Search for one-way flight options from Australia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

Mon 3/110:10 am -

1 stop48h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$676

Thu 1/2110:40 am -

1 stop47h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$680

Fri 1/1510:30 am -

2 stops34h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$686

Mon 1/1110:10 am -

1 stop48h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$687

Thu 1/1410:40 am -

1 stop47h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$699

Tue 1/198:40 pm -

2 stops49h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$719

Tue 2/98:40 pm -

2 stops44h 37m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$723

Mon 3/18:05 pm -

3 stops53h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$746

Sun 11/11:25 pm -

3 stops59h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/15

$761

Thu 10/17:40 pm -

1 stop37h 50m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$762

Sun 2/288:05 pm -

3 stops53h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$771

Sun 11/16:20 pm -

1 stop30h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/15

$798

Find flight deals from Australia to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$981 (lol.travel)
One-way from	$676 (Air China)
Popular in	December
Cheapest in	November
Average price	$1,160

Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Washington, D.C. (WAS) flights.

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From Australia to Washington, D.C. Dulles Intl

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One-way flight from Australia to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($7 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Australia to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Thu 1/21

10:40 am-6:30 pm

1 stop47h 50m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$680

PerthWashington, D.C.

PER Perth - IAD Washington, D.C. Dulles Intl

PERIAD

Perth

Wed 2/10

4:00 pm-1:50 pm

2 stops34h 50m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-1:00 pm

Nonstop0h 00m

$809

MelbourneWashington, D.C.

MEL Melbourne - IAD Washington, D.C. Dulles Intl

MELIAD

Melbourne

Tue 1/19

6:20 pm-9:05 am

1 stop30h 45m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$809

MelbourneWashington, D.C.

MEL Melbourne - IAD Washington, D.C. Dulles Intl

MELIAD

Melbourne

Wed 10/28

6:20 pm-10:05 am

1 stop30h 45m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$816

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Sun 2/28

4:50 pm-9:05 am

1 stop32h 15m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$820

PerthWashington, D.C.

PER Perth - IAD Washington, D.C. Dulles Intl

PERIAD

Perth

Thu 10/15

6:25 pm-10:00 pm

3 stops39h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-1:00 pm

Nonstop0h 00m

$861

SydneyWashington, D.C.

SYD Sydney Kingsford Smith - IAD Washington, D.C. Dulles Intl

SYDIAD

Sydney Kingsford Smith

Wed 10/7

2:00 pm-10:50 am

3 stops59h 50m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$876

BrisbaneWashington, D.C.

BNE Brisbane - IAD Washington, D.C. Dulles Intl

BNEIAD

Brisbane

Mon 2/8

12:15 pm-5:50 pm

3 stops44h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$882

MelbourneWashington, D.C.

MEL Melbourne - IAD Washington, D.C. Dulles Intl

MELIAD

Melbourne

Wed 10/28

8:40 pm-6:29 am

2 stops48h 49m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$883

BrisbaneWashington, D.C.

BNE Brisbane - IAD Washington, D.C. Dulles Intl

BNEIAD

Brisbane

Mon 2/8

8:20 am-12:31 am

2 stops31h 11m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$924

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 59 resultsSorted by cheapest first

...

Best time to book a flight from Australia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Australia with our price prediction graph.

SYD-IAD

BNE-IAD

MEL-IAD

PER-IAD

CBR-IAD

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 Australia to Washington, D.C. Dulles Intl Airport

AU0-IAD

SYD-IAD

BNE-IAD

MEL-IAD

PER-IAD

What is the cheapest month to book a flight from Australia to Washington, D.C. Dulles Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $1,118). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $1,666). 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.

Related info for your journey

How long is the flight from Australia to Washington, D.C. Dulles Intl Airport?
A quick flight from Australia to Washington, D.C. Dulles Intl Airport can take about 30h 45m. Air Canada provides one of the quickest options available for as low as $1,443. Airlines will cover a distance of 10156 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the most popular routes from Australia to Washington, D.C. Dulles Intl Airport?
While some choose either Melbourne - Washington, D.C. Dulles Intl or Brisbane - Washington, D.C. Dulles Intl, Sydney Kingsford Smith - Washington, D.C. Dulles Intl is the most popular route from Australia to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Australia to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Australia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Australia to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Dulles Intl.
Can I find deals for business class flights from Australia to Dulles Intl?
Yes. Cheapflights offers flight deals from Australia to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Australia to Washington, D.C. Dulles Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $1,118). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $1,666). 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.

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$676+ Cheap flights from Australia to Dulles Intl (IAD)

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Australia to Dulles Intl

Cheapest flights from Australia to Dulles IntlExplore the most affordable flight options available from Australia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.

Explore the most affordable flight options available from Australia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.

Best flights from Australia to Dulles IntlDiscover carefully curated flight deals from Australia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Discover carefully curated flight deals from Australia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Last-minute flights from Australia to Dulles IntlDiscover last-minute flight deals from Australia to Dulles Intl. Data last updated September 17, 2026 and is based on user searches.

Discover last-minute flight deals from Australia to Dulles Intl. Data last updated September 17, 2026 and is based on user searches.

One-way flights from Australia to Dulles IntlSearch for one-way flight options from Australia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

Search for one-way flight options from Australia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

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Use the filters below to find and compare flights from Australia to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Australia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Australia with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Australia to Washington, D.C. Dulles Intl Airport?

Related info for your journey

How long is the flight from Australia to Washington, D.C. Dulles Intl Airport?

What are the most popular routes from Australia to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Australia to Dulles Intl that include hotel bookings?

How can I find direct flights from Australia to Dulles Intl?

Can I find deals for business class flights from Australia to Dulles Intl?

What is the cheapest month to book a flight from Australia to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Australia to Dulles Intl

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Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.

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Find flights from Australia to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Australia and Dulles Intl flights

Browse other Australia and Dulles Intl flight options. Last updated on September 17, 2026.

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Cheapest flights from Australia to Dulles Intl
Explore the most affordable flight options available from Australia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.

Best flights from Australia to Dulles Intl
Discover carefully curated flight deals from Australia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Last-minute flights from Australia to Dulles Intl
Discover last-minute flight deals from Australia to Dulles Intl. Data last updated September 17, 2026 and is based on user searches.

One-way flights from Australia to Dulles Intl
Search for one-way flight options from Australia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.