Sydney

$664+ Cheap flights from Dulles Intl (IAD) to Sydney (SYD)

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
dic. 23 — dic. 301
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The best prices from Washington, D.C. Dulles Intl to Sydney Kingsford Smith are usually found in March or February, booked 41 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Dulles Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$885
(American Airlines)

One-way from

$664
(Justfly.com)

Popular in

December

Cheapest in

March

Average price

$1,794
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sydney Kingsford Smith flights.
From Washington, D.C. Dulles Intl to Sydney Kingsford Smith
One-way flight from Washington, D.C. Dulles Intl to Sydney Kingsford Smith
High demand for flights, 13% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Dulles Intl to Sydney

Cheapest flights from Dulles Intl to Sydney
Explore the most affordable flight options available from Dulles Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 18, 2024.

This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3112:38 pmIAD - SYD
2 stops28h 57mAir Canada
lun. 2/311:20 amSYD - IAD
3 stops40h 10mAir Canada
Deal found 12/17$1,597
This United deal was found by Cheapflights users on 12/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/315:55 pmIAD - SYD
1 stop23h 10mUnited Airlines
lun. 2/312:10 pmSYD - IAD
1 stop20h 18mUnited Airlines
Deal found 12/17$1,806
This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/189:10 amIAD - SYD
2 stops30h 15mAmerican Airlines
mié. 12/2511:50 amSYD - IAD
1 stop26h 49mAmerican Airlines
Deal found 12/17$1,918
This Justfly.com deal was found by Cheapflights users on 12/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/295:15 pmIAD - SYD
2 stops46h 20mQantas Airways
vie. 1/1011:00 amSYD - IAD
2 stops27h 41mQantas Airways
Deal found 12/18$2,167
This FlightHub deal was found by Cheapflights users on 12/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2310:20 pmIAD - SYD
1 stop42h 55mAir New Zealand
lun. 12/307:15 pmSYD - IAD
2 stops52h 05mAir New Zealand
Deal found 12/18$2,378
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/303:55 pmIAD - SYD
3 stops49h 40mMultiple Airlines
vie. 5/166:05 pmSYD - IAD
2 stops43h 44mMultiple Airlines
Deal found 12/16$2,431
This Korean Air deal was found by Cheapflights users on 12/16. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/3011:50 amIAD - SYD
1 stop27h 05mKorean Air
sáb. 5/177:55 amSYD - IAD
1 stop41h 20mKorean Air
Deal found 12/16$2,935
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/267:00 amIAD - SYD
2 stops44h 45mAlaska Airlines
dom. 1/129:40 pmSYD - IAD
2 stops60h 17mAlaska Airlines
Deal found 12/17$2,991
This Gotogate deal was found by Cheapflights users on 12/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1811:05 amIAD - SYD
1 stop41h 10mANA
mié. 12/2512:25 pmSYD - IAD
1 stop36h 45mANA
Deal found 12/17$3,101
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/2010:30 amIAD - SYD
1 stop28h 30mEmirates
dom. 12/229:45 pmSYD - IAD
1 stop50h 00mEmirates
Deal found 12/16$3,329
This Priceline deal was found by Cheapflights users on 12/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1810:35 amIAD - SYD
1 stop40h 15mQatar Airways
vie. 12/209:40 pmSYD - IAD
1 stop34h 15mQatar Airways
Deal found 12/17$3,466

Find flights from Dulles Intl to Sydney within your budget

Customize your flight search to find flights from Dulles Intl to Sydney 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 diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 2/11

6:10 am-6:35 am

1 stop32h 25m

Sydney Kingsford Smith

sáb. 2/22

7:05 am-4:12 pm

2 stops25h 07m

$885

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 3/18

5:10 pm-6:35 am

1 stop22h 25m

Sydney Kingsford Smith

jue. 3/20

11:50 am-4:20 pm

1 stop19h 30m

$886

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 3/11

5:10 pm-10:20 am

2 stops26h 10m

Sydney Kingsford Smith

mar. 3/18

5:25 pm-5:22 pm

1 stop38h 57m

$1,182

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 2/11

3:55 pm-9:35 am

2 stops49h 40m

Sydney Kingsford Smith

mar. 2/25

11:20 am-11:31 am

2 stops40h 11m

$1,234

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 4/15

3:30 pm-9:25 am

2 stops27h 55m

Sydney Kingsford Smith

mar. 4/22

8:55 pm-3:40 pm

1 stop32h 45m

$1,400

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 2/11

2:00 pm-7:00 pm

2 stops37h 00m

Sydney Kingsford Smith

mar. 3/25

9:00 pm-8:30 pm

1 stop38h 30m

$1,429

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 3/18

1:48 pm-7:35 am

2 stops26h 47m

Sydney Kingsford Smith

mar. 4/1

10:25 am-12:09 am

2 stops28h 44m

$1,445

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

jue. 5/15

5:00 pm-7:45 pm

2 stops36h 45m

Sydney Kingsford Smith

mar. 6/3

9:40 pm-4:50 pm

2 stops33h 10m

$1,503

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

mar. 3/18

5:37 pm-7:00 am

1 stop22h 23m

Sydney Kingsford Smith

mar. 4/1

11:20 am-7:32 pm

1 stop23h 12m

$1,506

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

sáb. 3/1

4:35 pm-3:30 pm

2 stops54h 55m

Sydney Kingsford Smith

lun. 3/17

8:40 pm-3:10 pm

1 stop33h 30m

$1,541

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 20 results
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Compare providers for flights from Dulles Intl to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Sydney in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Dulles Intl 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.

Travel insights for flights from Dulles Intl to Sydney

Get recent, data-driven insights about flights from Dulles Intl to Sydney including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Sydney. Price data was last updated on December 13, 2024.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Sydney, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney (average of $1,051). Flying from Washington, D.C. Dulles Intl Airport to Sydney in December is currently the most expensive (average of $1,643). 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 IAD to SYD?

Find hourly flight availability from Dulles Intl to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 18, 2024.

When flying from Washington, D.C. Dulles Intl Airport to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 17% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Sydney flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated diciembre 18, 2024.
To help decide which airline to fly from Washington, D.C. to Sydney, see what other customers have to say about Air Canada, Turkish Airlines and Alaska Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

8.4
Very good
839 reviews
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

8.0
Very good
9,552 reviews
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

8.0
Very good
8,604 reviews
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

8.0
Very good
497 reviews
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

7.5
Good
3,798 reviews
8.4
Very good
839 reviews

Crew

8.7

Entertainment

7.9

Boarding

8.6

Comfort

8.2

Food

7.7

Overall

8.4

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Sydney from Washington, D.C. Dulles Intl?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Sydney. You should not have trouble finding flights to Kingsford Smith from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights to the Sydney airport from Washington, D.C. Dulles Intl. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Sydney round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Sydney is American Airlines. Our recent data shows that you can find tickets from as low as $885 on this airline. Additional options worth looking into are Qantas Airways and Air Canada, starting at $1,182 and $1,234 round-trip. Users have found that American Airlines is 37% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $664. However, be on the lookout for offers from Alaska Airlines and Air India, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Sydney for a low price.

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

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

  • How can I find direct flights from Dulles Intl to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Sydney 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 Washington, D.C. Dulles Intl Airport to Sydney?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney (average of $1,051). Flying from Washington, D.C. Dulles Intl Airport to Sydney in December is currently the most expensive (average of $1,643). 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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Top 8 airlines flying from Dulles Intl to Sydney

Discover the top 8 airlines that operate flights from Dulles Intl to Sydney. 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 diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$221Average$426FlexibilityNo cancel feeOn-time75%
DeltaCheapest$852Average$1,152FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$860Average$947FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$878Average$1,407FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$948Average$1,284FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$990Average$1,570FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,341Average$1,611FlexibilityNo cancel feeOn-time78%
ANACheapest$1,667Average$1,862FlexibilityNo cancel feeOn-time80%
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