What are the cheapest airlines to fly from Australia to Washington, D.C. Dulles Intl Airport one-way?

$671 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on Air China and American Airlines, with prices starting from $696 and $742, respectively.

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

How far in advance should I book a flight from Australia to Washington, D.C. Dulles Intl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 25% on flights from Australia to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $892. For sooner than that we have options available in the next 3 days from $1,368.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from Australia in February are about $1,285 on average during February, but can be found for as low as $636.

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.

$494+ Flights from Australia to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Australia to Dulles Intl

Round-trip from	$836 (Booking.com)
One-way from	$494 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$1,428

From Australia to Washington, D.C. Dulles Intl

Search Deals

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

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($164 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Australia to Dulles Intl

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 julio 31, 2025.

mié. 10/2210:00 amBNE - IAD

2 stops39h 33mAir Canada

mar. 11/181:20 pmIAD - BNE

2 stops28h 25mAir Canada

Deal found 7/31

$836

mar. 8/199:20 amSYD - IAD

2 stops25h 52mAir Canada

mié. 8/279:35 amIAD - SYD

2 stops55h 45mAir Canada

Deal found 7/30

$885

mar. 10/77:00 amMEL - IAD

3 stops41h 38mMultiple Airlines

mar. 10/2812:35 pmIAD - MEL

3 stops32h 30mMultiple Airlines

Deal found 7/31

$985

jue. 11/208:00 amMEL - IAD

3 stops29h 20mAir Canada

vie. 11/2110:11 pmIAD - MEL

3 stops47h 24mAir Canada

Deal found 7/31

$1,036

mié. 9/33:05 pmMEL - IAD

1 stop21h 43mQantas Airways

mié. 9/1011:47 amIAD - MEL

1 stop27h 13mQantas Airways

Deal found 7/30

$1,048

mar. 8/1912:10 pmSYD - IAD

1 stop20h 46mQantas Airways

mié. 8/2711:51 amIAD - SYD

1 stop29h 04mQantas Airways

Deal found 7/30

$1,054

sáb. 10/115:25 amBNE - IAD

3 stops30h 00mMultiple Airlines

sáb. 11/89:55 amIAD - BNE

2 stops31h 50mMultiple Airlines

Deal found 7/31

$1,076

mié. 9/33:05 pmMEL - IAD

2 stops33h 02mAmerican Airlines

mié. 9/1011:18 amIAD - MEL

2 stops27h 42mAmerican Airlines

Deal found 7/31

$1,092

mar. 10/281:20 pmSYD - IAD

1 stop24h 31mAmerican Airlines

mar. 12/1611:30 amIAD - SYD

1 stop27h 25mAmerican Airlines

Deal found 7/31

$1,107

mar. 10/288:40 amBNE - IAD

1 stop22h 07mAmerican Airlines

lun. 12/155:22 pmIAD - BNE

1 stop22h 08mAmerican Airlines

Deal found 7/31

$1,108

lun. 10/1310:30 amSYD - IAD

2 stops26h 36mUnited Airlines

dom. 11/95:59 pmIAD - SYD

1 stop23h 06mUnited Airlines

Deal found 7/31

$1,111

mié. 10/2210:20 amBNE - IAD

2 stops26h 31mQantas Airways

mar. 11/185:27 pmIAD - BNE

1 stop22h 03mQantas Airways

Deal found 7/31

$1,113

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 julio 31, 2025.

mié. 10/2210:00 amBNE - IAD

2 stops39h 33mAir Canada

mar. 11/181:20 pmIAD - BNE

2 stops28h 25mAir Canada

Deal found 7/31

$836

mar. 10/77:00 amMEL - IAD

3 stops41h 38mMultiple Airlines

mar. 10/2812:35 pmIAD - MEL

3 stops32h 30mMultiple Airlines

Deal found 7/31

$985

mié. 9/33:05 pmMEL - IAD

1 stop21h 43mQantas Airways

mié. 9/1011:47 amIAD - MEL

1 stop27h 13mQantas Airways

Deal found 7/30

$1,048

mié. 9/33:05 pmMEL - IAD

2 stops33h 02mAmerican Airlines

mié. 9/1011:18 amIAD - MEL

2 stops27h 42mAmerican Airlines

Deal found 7/31

$1,092

lun. 10/1310:30 amSYD - IAD

2 stops26h 36mUnited Airlines

dom. 11/95:59 pmIAD - SYD

1 stop23h 06mUnited Airlines

Deal found 7/31

$1,111

lun. 8/1811:50 amSYD - IAD

2 stops27h 10mAir New Zealand

mar. 8/2612:45 pmIAD - SYD

2 stops30h 00mAir New Zealand

Deal found 7/29

$1,114

vie. 8/229:40 pmSYD - IAD

2 stops40h 40mAlaska Airlines

vie. 8/296:09 pmIAD - SYD

2 stops35h 36mAlaska Airlines

Deal found 7/30

$1,125

sáb. 9/1310:20 amSYD - IAD

1 stop25h 02mLufthansa

sáb. 9/205:40 pmIAD - SYD

1 stop23h 20mLufthansa

Deal found 7/30

$1,227

mar. 8/199:20 amSYD - IAD

2 stops25h 52mAir Canada

mié. 8/279:35 amIAD - SYD

2 stops55h 45mAir Canada

Deal found 7/30

$885

dom. 9/1412:25 pmPER - IAD

2 stops56h 15mEmirates

dom. 9/2110:55 amIAD - PER

1 stop25h 45mEmirates

Deal found 7/31

$1,890

dom. 9/1410:45 pmPER - IAD

1 stop28h 55mQatar Airways

dom. 9/219:00 pmIAD - PER

1 stop26h 10mQatar Airways

Deal found 7/31

$1,896

mar. 8/1912:10 pmSYD - IAD

1 stop20h 46mQantas Airways

mié. 8/2711:51 amIAD - SYD

1 stop29h 04mQantas Airways

Deal found 7/30

$1,054

Last-minute flights from Australia to Dulles Intl
Discover last-minute flight deals from Australia to Dulles Intl. Data last updated julio 31, 2025 and is based on user searches.

vie. 8/110:30 amBNE - IAD

1 stop28h 15mUnited Airlines

vie. 9/265:30 pmIAD - BNE

1 stop23h 00mUnited Airlines

Deal found 7/30

$1,214

vie. 8/810:20 amSYD - IAD

1 stop20h 03mMultiple Airlines

vie. 8/89:00 pmIAD - SYD

1 stop30h 10mMultiple Airlines

Deal found 7/30

$2,454

vie. 8/810:20 amSYD - IAD

2 stops22h 35mUnited Airlines

vie. 8/810:08 pmIAD - SYD

1 stop42h 47mUnited Airlines

Deal found 7/30

$11,489

dom. 8/103:05 pmMEL - IAD

1 stop21h 46mAmerican Airlines

mié. 10/226:11 amIAD - MEL

1 stop31h 49mAmerican Airlines

Deal found 7/31

$1,155

dom. 8/109:30 amMEL - IAD

2 stops28h 28mUnited Airlines

mié. 10/228:30 amIAD - MEL

2 stops33h 00mUnited Airlines

Deal found 7/30

$1,190

dom. 8/109:00 pmMEL - IAD

2 stops35h 56mQantas Airways

mié. 10/225:37 pmIAD - MEL

2 stops26h 58mQantas Airways

Deal found 7/29

$1,294

dom. 8/108:30 pmMEL - IAD

2 stops47h 51mAir Canada

mié. 10/223:36 pmIAD - MEL

3 stops29h 59mAir Canada

Deal found 7/30

$1,729

mar. 8/1210:20 amBNE - IAD

2 stops37h 17mAir Canada

mar. 8/268:16 amIAD - BNE

2 stops32h 49mAir Canada

Deal found 7/31

$904

jue. 8/1410:20 amSYD - IAD

1 stop28h 25mUnited Airlines

sáb. 8/305:40 pmIAD - SYD

1 stop23h 20mUnited Airlines

Deal found 7/30

$1,159

lun. 8/1811:50 amSYD - IAD

2 stops27h 10mAir New Zealand

mar. 8/2612:45 pmIAD - SYD

2 stops30h 00mAir New Zealand

Deal found 7/29

$1,114

lun. 8/1811:00 amSYD - IAD

2 stops38h 01mAmerican Airlines

mar. 8/266:27 amIAD - SYD

1 stop34h 28mAmerican Airlines

Deal found 7/29

$1,224

mar. 8/199:20 amSYD - IAD

2 stops25h 52mAir Canada

mié. 8/279:35 amIAD - SYD

2 stops55h 45mAir Canada

Deal found 7/30

$885

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 julio 31, 2025.

mié. 9/104:20 pmSYD - IAD

2 stops38h 32mMultiple Airlines

Deal found 7/31

$494

dom. 9/148:20 amOOL - IAD

3 stops46h 32mMultiple Airlines

Deal found 7/31

$653

sáb. 9/138:45 pmBNE - IAD

3 stops58h 07mMultiple Airlines

Deal found 7/31

$655

sáb. 10/116:00 pmMEL - IAD

1 stop37h 10mEtihad Airways

Deal found 7/31

$671

jue. 9/187:40 pmSYD - IAD

1 stop37h 50mAir China

Deal found 7/30

$696

mié. 11/191:30 amMEL - IAD

3 stops45h 20mMultiple Airlines

Deal found 7/31

$727

jue. 8/79:10 amSYD - IAD

2 stops24h 39mAmerican Airlines

Deal found 7/30

$742

lun. 1/1212:00 pmMEL - IAD

2 stops26h 18mAmerican Airlines

Deal found 7/31

$820

jue. 10/94:40 pmBNK - IAD

2 stops38h 30mMultiple Airlines

Deal found 7/29

$821

jue. 8/148:05 amCBR - IAD

3 stops40h 02mMultiple Airlines

Deal found 7/31

$849

mié. 11/197:45 amMEL - IAD

3 stops28h 44mAir Canada

Deal found 7/31

$879

lun. 12/111:20 amSYD - IAD

2 stops40h 03mAir Canada

Deal found 7/31

$918

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

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

mié. 10/22

10:00 am-11:33 am

2 stops39h 33m

Washington, D.C. Dulles Intl

mar. 11/18

1:20 pm-8:45 am

2 stops28h 25m

$836

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mar. 8/19

9:20 am-9:12 pm

2 stops25h 52m

Washington, D.C. Dulles Intl

mié. 8/27

9:35 am-7:20 am

2 stops55h 45m

$885

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

mar. 10/7

7:00 am-9:38 am

3 stops41h 38m

Washington, D.C. Dulles Intl

mar. 10/28

12:35 pm-12:05 pm

3 stops32h 30m

$985

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

jue. 11/20

8:00 am-8:29 pm

3 stops28h 29m

Washington, D.C. Dulles Intl

sáb. 12/6

9:00 am-1:35 pm

3 stops36h 35m

$1,036

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

mié. 9/3

3:05 pm-10:48 pm

1 stop21h 43m

Washington, D.C. Dulles Intl

mié. 9/10

11:47 am-5:00 am

1 stop27h 13m

$1,048

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mar. 8/19

12:10 pm-6:56 pm

1 stop20h 46m

Washington, D.C. Dulles Intl

mié. 8/27

11:51 am-6:55 am

1 stop29h 04m

$1,054

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

sáb. 10/11

5:25 am-9:25 pm

3 stops30h 00m

Washington, D.C. Dulles Intl

sáb. 11/8

9:55 am-8:45 am

2 stops31h 50m

$1,076

MelbourneWashington, D.C.

MEL - IAD

MELIAD

Melbourne

mié. 9/3

3:05 pm-10:07 am

2 stops33h 02m

Washington, D.C. Dulles Intl

mié. 9/10

11:18 am-5:00 am

2 stops27h 42m

$1,092

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

mar. 10/28

1:20 pm-10:51 pm

1 stop24h 31m

Washington, D.C. Dulles Intl

mar. 12/16

11:30 am-6:55 am

1 stop27h 25m

$1,107

BrisbaneWashington, D.C.

BNE - IAD

BNEIAD

Brisbane

mar. 10/28

8:40 am-4:47 pm

1 stop22h 07m

Washington, D.C. Dulles Intl

lun. 12/15

5:22 pm-6:30 am

1 stop22h 08m

$1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 59 results

...

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.

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

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

Currently, July is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Korean Air, Emirates, and Delta from Australia to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very good

1,121 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Emirates

8.1

Very good

3,300 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Delta

8.0

Very good

7,981 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Alaska Airlines

8.0

Very good

10,000 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Air New Zealand

8.0

Very good

501 reviews

Korean Air

8.4

Very good

1,121 reviews

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

What are the cheapest airlines to fly from Australia to Washington, D.C. Dulles Intl Airport one-way?
$671 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on Air China and American Airlines, with prices starting from $696 and $742, respectively.
What are the most popular routes from Australia to Washington, D.C. Dulles Intl Airport?
While some choose either Brisbane - Washington, D.C. Dulles Intl or Sydney Kingsford Smith - Washington, D.C. Dulles Intl, Melbourne - 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, July is the cheapest month in which you can book a flight from Australia to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Australia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

See more FAQs

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Top 2 airlines flying from Australia to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$889	Average$1,021	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$1,240	Average$1,570	FlexibilityNo cancel fee	On-time69%

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$494+ Cheap flights from Australia to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Australia to Dulles Intl with Cheapflights

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Cheap flight deals from Australia to Dulles Intl

Keep the following information in mind while searching for Australia to Dulles Intl flight deals. Data was last updated julio 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 julio 31, 2025.

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 julio 31, 2025.

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.

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

Everything you need to know about your flight from Australia to Washington, D.C. Dulles Intl Airport

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

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

Find hourly flight availability from Australia to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Korean Air, Emirates, and Delta from Australia to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Australia to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Australia to Washington, D.C. Dulles Intl Airport one-way?

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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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 julio 31, 2025.