S$1,287 Cheap Flights from Washington to Sydney

View S$1,287 flight on Tue, 25 Aug, 2026Opens 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$1,287 for one-way flights and S$2,104 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 25 Aug - Thu, 3 Sept
IAD
Washington
SYD
Sydney
S$2,104 Return, found 6 hours ago
S$2,104
Return
found 6 hours ago
Select American Airlines flight, departing Tue, 25 Aug from Washington to Sydney, returning Thu, 3 Sept, priced at S$2,104 found 6 hours ago
Air New Zealand
Tue, 25 Aug - Thu, 3 Sept
IAD
Washington
SYD
Sydney
S$2,285 Return, found 6 hours ago
S$2,285
Return
found 6 hours ago
Select Air New Zealand flight, departing Tue, 25 Aug from Washington to Sydney, returning Thu, 3 Sept, priced at S$2,285 found 6 hours ago
Etihad Airways
Tue, 25 Aug - Thu, 3 Sept
IAD
Washington
SYD
Sydney
S$2,294 Return, found 6 hours ago
S$2,294
Return
found 6 hours ago
Select Etihad Airways flight, departing Tue, 25 Aug from Washington to Sydney, returning Thu, 3 Sept, priced at S$2,294 found 6 hours ago
Air New Zealand
Tue, 25 Aug - Thu, 3 Sept
IAD
Washington
SYD
Sydney
S$2,329 Return, found 6 hours ago
S$2,329
Return
found 6 hours ago
Select Air New Zealand flight, departing Tue, 25 Aug from Washington to Sydney, returning Thu, 3 Sept, priced at S$2,329 found 6 hours ago
Air Canada
Tue, 25 Aug - Thu, 3 Sept
IAD
Washington
SYD
Sydney
S$2,330 Return, found 6 hours ago
S$2,330
Return
found 6 hours ago
Select Air Canada flight, departing Tue, 25 Aug from Washington to Sydney, returning Thu, 3 Sept, priced at S$2,330 found 6 hours ago
Air Canada
Tue, 25 Aug - Thu, 3 Sept
IAD
Washington
SYD
Sydney
S$2,354 Return, found 6 hours ago
S$2,354
Return
found 6 hours ago
Select Air Canada flight, departing Tue, 25 Aug from Washington to Sydney, returning Thu, 3 Sept, priced at S$2,354 found 6 hours ago
Air Canada
Fri, 7 Aug - Mon, 10 Aug
IAD
Washington
SYD
Sydney
S$2,375 Return, found 4 days ago
S$2,375
Return
found 4 days ago
Select Air Canada flight, departing Fri, 7 Aug from Washington to Sydney, returning Mon, 10 Aug, priced at S$2,375 found 4 days ago
Air Canada
Fri, 7 Aug - Mon, 10 Aug
IAD
Washington
SYD
Sydney
S$2,423 Return, found 4 days ago
S$2,423
Return
found 4 days ago
Select Air Canada flight, departing Fri, 7 Aug from Washington to Sydney, returning Mon, 10 Aug, priced at S$2,423 found 4 days ago
Air New Zealand
Tue, 25 Aug - Thu, 3 Sept
IAD
Washington
SYD
Sydney
S$2,477 Return, found 6 hours ago
S$2,477
Return
found 6 hours ago
Select Air New Zealand flight, departing Tue, 25 Aug from Washington to Sydney, returning Thu, 3 Sept, priced at S$2,477 found 6 hours ago
Emirates
Tue, 25 Aug - Thu, 3 Sept
IAD
Washington
SYD
Sydney
S$2,500 Return, found 6 hours ago
S$2,500
Return
found 6 hours ago
Select Emirates flight, departing Tue, 25 Aug from Washington to Sydney, returning Thu, 3 Sept, priced at S$2,500 found 6 hours ago

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

February is typically the cheapest month to fly

From S$1,522 - S$2,476 per traveller.

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$2,104. 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.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Kingsford Smith Intl.
Return price
S$2,104
Distance
15590 km

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