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Dulles Intl

$496+ Cheap flights from Sydney (SYD) 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
Apr 15 — Apr 221
Tue 4/15
Tue 4/22
1 adult, Economy
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Washington, D.C. Dulles Intl are usually found in March or August, booked 20 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Sydney to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Dulles Intl (IAD). 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 April 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,132
(Air China)

One-way from

$496
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,272
Provider with most accurate pricing for Sydney Kingsford Smith-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Washington, D.C. Dulles Intl flights.
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From Sydney Kingsford Smith to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Sydney Kingsford Smith to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 8% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Sydney to Dulles Intl

Cheapest flights from Sydney to Dulles Intl
Explore the most affordable flight options available from Sydney to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2025.

This BYOjet deal was found by Cheapflights users on 4/9. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:55 amSYD - IAD
2 stops36h 40mAir New Zealand
Wed 10/224:10 pmIAD - SYD
2 stops25h 35mAir New Zealand
Deal found 4/9$1,024
This Air China deal was found by Cheapflights users on 4/9. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/297:40 pmSYD - IAD
1 stop37h 50mMultiple Airlines
Wed 6/1110:05 pmIAD - SYD
2 stops74h 45mMultiple Airlines
Deal found 4/9$1,132
This BestPriceTravel deal was found by Cheapflights users on 4/8. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2910:20 amSYD - IAD
1 stop20h 03mUnited Airlines
Mon 6/98:45 amIAD - SYD
1 stop32h 10mUnited Airlines
Deal found 4/8$1,269
This Booking.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:20 amSYD - IAD
2 stops25h 41mAir Canada
Wed 10/229:55 amIAD - SYD
3 stops31h 25mAir Canada
Deal found 4/9$1,316
This Singapore Airlines deal was found by Cheapflights users on 4/8. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2611:00 amSYD - IAD
2 stops42h 59mSingapore Airlines
Tue 9/238:07 pmIAD - SYD
2 stops48h 18mSingapore Airlines
Deal found 4/8$1,329
This ANA deal was found by Cheapflights users on 4/9. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/268:55 pmSYD - IAD
2 stops30h 54mANA
Tue 9/2312:15 pmIAD - SYD
1 stop31h 10mANA
Deal found 4/9$1,337
This BYOjet deal was found by Cheapflights users on 4/9. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:45 pmSYD - IAD
1 stop49h 55mQatar Airways
Wed 5/2111:00 amIAD - SYD
1 stop40h 10mQatar Airways
Deal found 4/9$1,403
This Jetabroad deal was found by Cheapflights users on 4/9. 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 5/239:40 pmSYD - IAD
2 stops35h 19mHawaiian Airlines
Thu 5/297:25 pmIAD - SYD
2 stops34h 20mHawaiian Airlines
Deal found 4/9$1,439
This Delta deal was found by Cheapflights users on 4/9. 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.
Sat 7/59:25 amSYD - IAD
2 stops24h 21mDelta
Fri 7/257:30 amIAD - SYD
2 stops33h 05mDelta
Deal found 4/9$1,453
This Virgin Australia deal was found by Cheapflights users on 4/9. 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 Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1210:20 amSYD - IAD
1 stop25h 01mVirgin Australia
Mon 8/258:50 amIAD - SYD
1 stop32h 10mVirgin Australia
Deal found 4/9$1,590
This Gotogate deal was found by Cheapflights users on 4/9. 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.
Sun 4/277:30 pmSYD - IAD
1 stop50h 10mAir India
Fri 5/911:00 amIAD - SYD
1 stop41h 00mAir India
Deal found 4/9$1,646
This Trip.com deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/88:55 pmSYD - IAD
2 stops52h 50mTurkish Airlines
Sun 7/279:40 pmIAD - SYD
2 stops31h 20mTurkish Airlines
Deal found 4/9$1,784

Cheapflights Fare Finder

Customize your flight search to find flights from Sydney to Dulles Intl 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 April 10, 2025.
Use the filters below to find and compare flights from Sydney to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Sydney

Fly to

Dulles Intl

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 5/29

7:40 pm-7:30 pm

1 stop37h 50m

Washington, D.C. Dulles Intl

Wed 6/11

10:05 pm-2:50 pm

2 stops74h 45m

$1,132

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 8/12

9:55 am-5:18 am

2 stops33h 23m

Washington, D.C. Dulles Intl

Mon 8/25

5:20 pm-8:45 am

2 stops25h 25m

$1,188

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 5/29

10:20 am-4:23 pm

1 stop20h 03m

Washington, D.C. Dulles Intl

Mon 6/9

8:45 am-6:55 am

1 stop32h 10m

$1,269

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 8/26

11:00 am-3:59 pm

2 stops42h 59m

Washington, D.C. Dulles Intl

Tue 9/23

8:07 pm-10:25 am

2 stops48h 18m

$1,329

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 5/30

9:20 am-9:25 pm

2 stops50h 05m

Washington, D.C. Dulles Intl

Sun 6/8

8:18 am-7:20 am

2 stops57h 02m

$1,336

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 8/26

8:55 pm-1:49 pm

2 stops30h 54m

Washington, D.C. Dulles Intl

Tue 9/23

12:15 pm-9:25 am

1 stop31h 10m

$1,337

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 5/13

8:45 pm-8:40 am

1 stop49h 55m

Washington, D.C. Dulles Intl

Wed 5/21

11:00 am-5:10 pm

1 stop40h 10m

$1,403

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Fri 5/23

9:40 pm-6:59 pm

2 stops35h 19m

Washington, D.C. Dulles Intl

Thu 5/29

7:25 pm-7:45 pm

2 stops34h 20m

$1,439

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Sat 7/5

9:25 am-7:46 pm

2 stops24h 21m

Washington, D.C. Dulles Intl

Fri 7/25

7:30 am-6:35 am

2 stops33h 05m

$1,453

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 8/12

10:20 am-9:21 pm

1 stop25h 01m

Washington, D.C. Dulles Intl

Mon 8/25

8:50 am-7:00 am

1 stop32h 10m

$1,590

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 30 results
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Compare providers for flights from Sydney to Dulles Intl

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 Sydney to Dulles Intl in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 Sydney-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Washington, D.C. Dulles Intl Airport 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 Sydney-Washington, D.C. Dulles Intl Airport 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 Sydney to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sydney 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 Sydney to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Dulles Intl. Price data was last updated on April 4, 2025.

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Sydney to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 SYD to IAD?

Find hourly flight availability from Sydney 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 April 10, 2025.

When flying from Sydney to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at noon.

Rainfall in Dulles Intl by month

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

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.

Temperature in Dulles Intl by month

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

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 10, 2025.
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very good
1,057 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,440 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
834 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very good
1,288 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Crew

9.1

Overall

8.8

Comfort

8.1

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Sydney 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 airport do you fly from for flights from Sydney to Washington, D.C. Dulles Intl?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Sydney. Booking flights from Kingsford Smith (SYD) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 3 different airlines.

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

    Flying on Air New Zealand is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $1,188. Additional round-trip tickets that might be worth considering are offered by United Airlines and Singapore Airlines, with the lowest prices starting at $1,269 and $1,329, respectively. These flights start at 9% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Sydney to Washington, D.C. Dulles Intl Airport are Air China ($666), Air Canada ($849), and Japan Airlines ($858).

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Sydney to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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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Alternative routes for Sydney to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Baltimore flights
Sydney to Reagan-National flights
Coolangatta to Dulles Intl flights

Top 3 airlines flying from Sydney to Dulles Intl

Discover the top 3 airlines that operate flights from Sydney to Dulles Intl. 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 April 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$778Average$1,364FlexibilityNo cancel feeOn-time71%
Virgin AustraliaCheapest$1,146Average$1,911FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,240Average$1,604FlexibilityNo cancel feeOn-time69%

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