S$1,447 Cheap Flights from Washington to Sydney

View S$1,447 flight on Mon, 8 Dec, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Sydney Airport (SYD)

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Cheap Flights from Washington to Sydney (IAD-SYD)

Prices were available within the past 7 days and start at S$1,447 for one-way flights and S$2,155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$2,155 Return, found 3 days ago
S$2,155
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$2,155 found 3 days ago
Air Canada
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$2,321 Return, found 3 days ago
S$2,321
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$2,321 found 3 days ago
Air Canada
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$2,432 Return, found 3 days ago
S$2,432
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$2,432 found 3 days ago
Air Canada
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$2,501 Return, found 3 days ago
S$2,501
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$2,501 found 3 days ago
Air Canada
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$2,600 Return, found 3 days ago
S$2,600
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$2,600 found 3 days ago
Air Canada
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$2,667 Return, found 3 days ago
S$2,667
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$2,667 found 3 days ago
United
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$2,881 Return, found 3 days ago
S$2,881
Return
found 3 days ago
Select United flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$2,881 found 3 days ago
American Airlines
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$2,894 Return, found 3 days ago
S$2,894
Return
found 3 days ago
Select American Airlines flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$2,894 found 3 days ago
Emirates
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$3,133 Return, found 3 days ago
S$3,133
Return
found 3 days ago
Select Emirates flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$3,133 found 3 days ago
All Nippon Airways
Mon, 8 Dec - Mon, 15 Dec
IAD
Washington
SYD
Sydney
S$3,231 Return, found 3 days ago
S$3,231
Return
found 3 days ago
Select All Nippon Airways flight, departing Mon, 8 Dec from Washington to Sydney, returning Mon, 15 Dec, priced at S$3,231 found 3 days ago

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Find the cheapest month to fly from Washington (IAD) to Sydney (SYD)

February is typically the cheapest month to fly

From S$1,082 - S$2,516 per traveller.
Washington to Sydney route information
Origin airport
Washington Dulles Intl.
Destination airport
Kingsford Smith Intl.
Return price
S$2,155
Distance
15590 km

Perfect flights from Washington to Sydney

Your Journey from Washington to Sydney

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to Sydney caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, Delta, All Nippon Airways, American Airlines, Emirates, Air Canada. Our selection of flights from Washington Dulles Intl. to Kingsford Smith Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Washington to Sydney Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to Kingsford Smith Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$1,447 and roundtrip prices from S$2,155*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to Sydney with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Sydney

Picture yourself stepping off the plane in Sydney and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Washington to Sydney Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Washington to Sydney.
 

Beyond the Flight – Exploring Sydney

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Book Your Flight from Washington to Sydney with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Washington to Sydney with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from IAD to Kingsford Smith Intl. Airport (SYD)?
Round-trip tickets from Washington Dulles Intl. Airport (IAD) to Kingsford Smith Intl. Airport (SYD) start from S$2,155. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Kingsford Smith Intl. Airport (SYD)?
This can differ between air carriers, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from IAD to SYD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to Mascot Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to Kingsford Smith Intl. Airport (SYD)?
The distance is around 15,700 kilometres. Eye mask? Check. Warm clothes? Check. You'd be wise to pack all the essentials for this long-haul Chantilly to Sydney flight.
Which airlines fly direct from Dulles Intl. Airport to Sydney Airport?
There are no direct flights, so you'll need to make at least one stop between Dulles Intl. Airport and Mascot Airport. Use the layover time to stretch your legs and take a break.
Are Washington Dulles Intl. Airport (IAD) to Mascot Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to SYD at the last minute could be your ticket to a cheap deal. However, you might miss out on a flight altogether! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

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