S$1,315 Cheap Flights from Washington to Sydney

View S$1,315 flight on Sun, 24 Aug, 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$1,315 for one-way flights and S$2,012 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air New Zealand
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
SYD
Sydney
S$2,012 Return, found 4 days ago
S$2,012
Return
found 4 days ago
Select Air New Zealand flight, departing Sun, 24 Aug from Washington to Sydney, returning Sun, 31 Aug, priced at S$2,012 found 4 days ago
Turkish Airlines
Wed, 27 Aug - Wed, 3 Sep
IAD
Washington
SYD
Sydney
S$2,084 Return, found 1 day ago
S$2,084
Return
found 1 day ago
Select Turkish Airlines flight, departing Wed, 27 Aug from Washington to Sydney, returning Wed, 3 Sep, priced at S$2,084 found 1 day ago
Air New Zealand
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
SYD
Sydney
S$2,140 Return, found 4 days ago
S$2,140
Return
found 4 days ago
Select Air New Zealand flight, departing Sun, 24 Aug from Washington to Sydney, returning Sun, 31 Aug, priced at S$2,140 found 4 days ago
United
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
SYD
Sydney
S$2,177 Return, found 4 days ago
S$2,177
Return
found 4 days ago
Select United flight, departing Sun, 24 Aug from Washington to Sydney, returning Sun, 31 Aug, priced at S$2,177 found 4 days ago
United
Wed, 27 Aug - Wed, 3 Sep
IAD
Washington
SYD
Sydney
S$2,179 Return, found 1 day ago
S$2,179
Return
found 1 day ago
Select United flight, departing Wed, 27 Aug from Washington to Sydney, returning Wed, 3 Sep, priced at S$2,179 found 1 day ago
All Nippon Airways
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
SYD
Sydney
S$2,216 Return, found 4 days ago
S$2,216
Return
found 4 days ago
Select All Nippon Airways flight, departing Sun, 24 Aug from Washington to Sydney, returning Sun, 31 Aug, priced at S$2,216 found 4 days ago
All Nippon Airways
Wed, 27 Aug - Wed, 3 Sep
IAD
Washington
SYD
Sydney
S$2,225 Return, found 1 day ago
S$2,225
Return
found 1 day ago
Select All Nippon Airways flight, departing Wed, 27 Aug from Washington to Sydney, returning Wed, 3 Sep, priced at S$2,225 found 1 day ago
All Nippon Airways
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
SYD
Sydney
S$2,261 Return, found 4 days ago
S$2,261
Return
found 4 days ago
Select All Nippon Airways flight, departing Sun, 24 Aug from Washington to Sydney, returning Sun, 31 Aug, priced at S$2,261 found 4 days ago
All Nippon Airways
Sun, 24 Aug - Sun, 31 Aug
IAD
Washington
SYD
Sydney
S$2,270 Return, found 4 days ago
S$2,270
Return
found 4 days ago
Select All Nippon Airways flight, departing Sun, 24 Aug from Washington to Sydney, returning Sun, 31 Aug, priced at S$2,270 found 4 days ago
Qatar Airways
Thu, 21 Aug - Thu, 28 Aug
IAD
Washington
SYD
Sydney
S$2,322 Return, found 3 days ago
S$2,322
Return
found 3 days ago
Select Qatar Airways flight, departing Thu, 21 Aug from Washington to Sydney, returning Thu, 28 Aug, priced at S$2,322 found 3 days ago

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

February is typically the cheapest month to fly

From S$1,061 - S$2,493 per traveller.

Graph displaying average flight prices per month

Washington to Sydney route information
Origin airport
Washington Dulles Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Delta, Emirates, Etihad Airways, Korean Air, Qantas Airways, Qatar Airways, Turkish Airlines, United
Return price
S$2,012
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 All Nippon Airways, Air Canada, United, Air New Zealand, Emirates, Turkish Airlines, Qatar Airways. 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$1,315 and roundtrip prices from S$2,012*.
 

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

With Expedia, your adventure extends beyond the flight. Explore Sydney at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

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$2,012. 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.

Explore a world of travel with Expedia

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S$2,011.70

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*Available to Expedia members.