฿35,170 Cheap Flights from Washington (IAD) to Sydney (SYD)

View ฿35,170 flight on Sun, 8 Feb 2026Opens in a new window

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

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Cheap Flights from Washington (IAD) to Sydney (SYD)

Prices were available within the past 7 days and start at ฿35,170 for one-way flights and ฿47,690 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿47,690 Return, found 4 days ago
฿47,690
Return
found 4 days ago
Select Turkish Airlines flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿47,690 found 4 days ago
Air Canada
Tue, 3 Feb - Tue, 10 Feb
IAD
Washington
SYD
Sydney
฿49,230 Return, found 4 days ago
฿49,230
Return
found 4 days ago
Select Air Canada flight, departing Tue, 3 Feb from Washington to Sydney, returning Tue, 10 Feb, priced at ฿49,230 found 4 days ago
Air Canada
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿49,340 Return, found 4 days ago
฿49,340
Return
found 4 days ago
Select Air Canada flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿49,340 found 4 days ago
United
Tue, 3 Feb - Tue, 10 Feb
IAD
Washington
SYD
Sydney
฿49,410 Return, found 4 days ago
฿49,410
Return
found 4 days ago
Select United flight, departing Tue, 3 Feb from Washington to Sydney, returning Tue, 10 Feb, priced at ฿49,410 found 4 days ago
Air Canada
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿49,450 Return, found 4 days ago
฿49,450
Return
found 4 days ago
Select Air Canada flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿49,450 found 4 days ago
Air Canada
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿49,490 Return, found 4 days ago
฿49,490
Return
found 4 days ago
Select Air Canada flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿49,490 found 4 days ago
Air Canada
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿49,600 Return, found 4 days ago
฿49,600
Return
found 4 days ago
Select Air Canada flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿49,600 found 4 days ago
Air Canada
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿49,710 Return, found 4 days ago
฿49,710
Return
found 4 days ago
Select Air Canada flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿49,710 found 4 days ago
Air Canada
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿49,750 Return, found 4 days ago
฿49,750
Return
found 4 days ago
Select Air Canada flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿49,750 found 4 days ago
Air Canada
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿49,860 Return, found 4 days ago
฿49,860
Return
found 4 days ago
Select Air Canada flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿49,860 found 4 days ago
Air Canada
Tue, 3 Feb - Tue, 10 Feb
IAD
Washington
SYD
Sydney
฿51,720 Return, found 4 days ago
฿51,720
Return
found 4 days ago
Select Air Canada flight, departing Tue, 3 Feb from Washington to Sydney, returning Tue, 10 Feb, priced at ฿51,720 found 4 days ago
Etihad Airways
Tue, 3 Feb - Tue, 10 Feb
IAD
Washington
SYD
Sydney
฿57,025 Return, found 4 days ago
฿57,025
Return
found 4 days ago
Select Etihad Airways flight, departing Tue, 3 Feb from Washington to Sydney, returning Tue, 10 Feb, priced at ฿57,025 found 4 days ago
Qatar Airways
Sun, 8 Feb - Sun, 15 Feb
IAD
Washington
SYD
Sydney
฿58,415 Return, found 4 days ago
฿58,415
Return
found 4 days ago
Select Qatar Airways flight, departing Sun, 8 Feb from Washington to Sydney, returning Sun, 15 Feb, priced at ฿58,415 found 4 days ago

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

February is typically the cheapest month to fly

From ฿26,540 - ฿62,341 per traveller.
Flight from Washington to Sydney route information
Origin airport
Washington Dulles Intl.
Destination airport
Kingsford Smith Intl.
Return price
฿47,690
Distance
15590 km

Perfect flights from Washington to Sydney

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Sydney. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to Kingsford Smith Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿35,170 and roundtrip prices from ฿47,690. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Kingsford Smith Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Sydney.

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 ฿47,690. 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.
*Available to Expedia members.