S$1,170 Cheap Flights from Washington to Sydney

View S$1,170 flight on Tue, 11 Nov, 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$1,170 for one-way flights and S$1,950 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Mon, 29 Sep - Thu, 2 Oct
IAD
Washington
SYD
Sydney
S$1,950 Return, found 10 hours ago
S$1,950
Return
found 10 hours ago
Select Turkish Airlines flight, departing Mon, 29 Sep from Washington to Sydney, returning Thu, 2 Oct, priced at S$1,950 found 10 hours ago
Turkish Airlines
Mon, 29 Sep - Sun, 5 Oct
IAD
Washington
SYD
Sydney
S$2,027 Return, found 10 hours ago
S$2,027
Return
found 10 hours ago
Select Turkish Airlines flight, departing Mon, 29 Sep from Washington to Sydney, returning Sun, 5 Oct, priced at S$2,027 found 10 hours ago
Air New Zealand
Sun, 12 Oct - Sun, 19 Oct
IAD
Washington
SYD
Sydney
S$2,123 Return, found 2 hours ago
S$2,123
Return
found 2 hours ago
Select Air New Zealand flight, departing Sun, 12 Oct from Washington to Sydney, returning Sun, 19 Oct, priced at S$2,123 found 2 hours ago
Air Canada
Sun, 28 Sep - Sat, 11 Oct
IAD
Washington
SYD
Sydney
S$2,178 Return, found 10 hours ago
S$2,178
Return
found 10 hours ago
Select Air Canada flight, departing Sun, 28 Sep from Washington to Sydney, returning Sat, 11 Oct, priced at S$2,178 found 10 hours ago
Air Canada
Sun, 28 Sep - Sat, 11 Oct
IAD
Washington
SYD
Sydney
S$2,186 Return, found 10 hours ago
S$2,186
Return
found 10 hours ago
Select Air Canada flight, departing Sun, 28 Sep from Washington to Sydney, returning Sat, 11 Oct, priced at S$2,186 found 10 hours ago
Air New Zealand
Sun, 12 Oct - Sun, 19 Oct
IAD
Washington
SYD
Sydney
S$2,188 Return, found 2 hours ago
S$2,188
Return
found 2 hours ago
Select Air New Zealand flight, departing Sun, 12 Oct from Washington to Sydney, returning Sun, 19 Oct, priced at S$2,188 found 2 hours ago
United
Sun, 28 Sep - Thu, 2 Oct
IAD
Washington
SYD
Sydney
S$2,212 Return, found 3 days ago
S$2,212
Return
found 3 days ago
Select United flight, departing Sun, 28 Sep from Washington to Sydney, returning Thu, 2 Oct, priced at S$2,212 found 3 days ago
United
Sun, 28 Sep - Thu, 2 Oct
IAD
Washington
SYD
Sydney
S$2,219 Return, found 3 days ago
S$2,219
Return
found 3 days ago
Select United flight, departing Sun, 28 Sep from Washington to Sydney, returning Thu, 2 Oct, priced at S$2,219 found 3 days ago
Air Canada
Sun, 12 Oct - Sun, 19 Oct
IAD
Washington
SYD
Sydney
S$2,243 Return, found 2 hours ago
S$2,243
Return
found 2 hours ago
Select Air Canada flight, departing Sun, 12 Oct from Washington to Sydney, returning Sun, 19 Oct, priced at S$2,243 found 2 hours ago
Delta
Sun, 12 Oct - Sun, 19 Oct
IAD
Washington
SYD
Sydney
S$2,299 Return, found 2 hours ago
S$2,299
Return
found 2 hours ago
Select Delta flight, departing Sun, 12 Oct from Washington to Sydney, returning Sun, 19 Oct, priced at S$2,299 found 2 hours ago

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

February is typically the cheapest month to fly

From S$1,066 - S$2,488 per traveller.

Graph displaying average flight prices per month

Washington to Sydney route information
Origin airport
Washington Dulles Intl.
Destination airport
Kingsford Smith Intl.
Return price
S$1,949
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, Air Canada, Qantas Airways, All Nippon Airways, Turkish Airlines, Air New Zealand. 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$1,170 and roundtrip prices from S$1,950*.
 

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$1,950. 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

Washington Airports

Washington

Baltimore Washington Intl. Thurgood Marshall to Sydney
S$1,768.30

Baltimore

*Available to Expedia members.