How long is the flight from Washington, D.C. to Sydney?

A quick flight from Washington, D.C. to Sydney can take about 26h 39m. United Airlines provides one of the quickest options available for as low as $1,242. The distance between Washington, D.C. and Sydney is about 9781 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Washington, D.C. to Sydney round-trip?

Currently priced at $357, United Airlines will fly you from Washington, D.C. to Sydney and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $377 and $836, respectively. United Airlines is 75% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular routes from Washington, D.C. to Sydney?

When deciding which route to take from Washington, D.C. to Sydney consider Washington, D.C. Dulles Intl - Sydney Kingsford Smith, Baltimore/Washington - Sydney Kingsford Smith or Washington, D.C. Reagan-National - Sydney Kingsford Smith as they are the most popular.

What are the most popular airlines that fly from Washington, D.C. to Sydney?

Consider United Airlines, Air New Zealand or Qantas Airways when booking your flight. These represent the most popular airlines when flying from Washington, D.C. to Sydney.

Where are the most common layover locations when flying from Washington, D.C. to Sydney?

Flights departing from Washington, D.C. and landing in Sydney layover in Los Angeles most frequently.

Where are the least popular layover locations for Washington, D.C. to Sydney flights?

Of the flights from Washington, D.C. to Sydney that have layovers, the fewest flights stop in Dallas.

What are some popular things to do or see while on a layover in Los Angeles?

Hollywood Bowl, Hollywood Walk of Fame, and Little Tokyo are the most popular attractions in Los Angeles if you're in need of something to do during your layover. Hollywood Bowl, Hollywood Walk of Fame and Little Tokyo are located about 12.4 mi, 11.7 mi, and 12.2 mi, respectively from Los Angeles if you are interested in checking them out. Those landing in Los Angeles looking to spend some time exploring during their layover can rent a car for about $37 per day.

What is the cheapest time of day to fly from WAS to SYD?

When flying from Washington, D.C. to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Washington, D.C.-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Sydney flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Sydney from Washington, D.C.?

Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Sydney. 6 airlines have flights to Kingsford Smith from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Sydney Kingsford Smith should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

Can I find deals for flights from Washington, D.C. to Sydney that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Sydney.

Can I find deals for business class flights from Washington, D.C. to Sydney?

Yes. Cheapflights offers flight deals from Washington, D.C. to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$537+ Cheap Flights from Washington, D.C. to Sydney

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington, D.C. to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington, D.C. to Sydney

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to Sydney
Explore the most affordable flight options available from Washington, D.C. to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.

Sun 10/188:05 am -

1 stop32h 50m

Mon 11/211:50 am -

1 stop21h 36m

Deal found 10/2

$1,223

Sun 10/2512:45 pm -

1 stop27h 15m

Mon 11/99:15 am -

1 stop23h 10m

Deal found 10/2

$1,229

Wed 11/118:00 am -

1 stop33h 20m

Wed 12/211:50 am -

1 stop21h 35m

Deal found 10/2

$1,237

Wed 10/2812:34 pm -

2 stops27h 26m

Wed 11/49:15 am -

1 stop23h 10m

Deal found 9/30

$1,238

Mon 11/29:00 am -

2 stops31h 30m

Mon 11/910:40 am -

2 stops23h 44m

Deal found 10/3

$1,241

Mon 11/912:18 pm -

2 stops28h 12m

Mon 11/1610:40 am -

2 stops28h 43m

Deal found 9/30

$1,242

Wed 11/118:00 am -

1 stop33h 20m

Tue 12/111:50 am -

1 stop35h 02m

Deal found 10/2

$1,248

Tue 10/208:05 am -

1 stop32h 50m

Tue 11/39:15 am -

1 stop29h 29m

Deal found 10/1

$1,249

Mon 11/96:10 am -

2 stops35h 25m

Fri 11/2011:20 am -

2 stops26h 22m

Deal found 9/29

$1,258

Wed 11/114:19 pm -

2 stops25h 01m

Mon 11/3011:20 am -

2 stops38h 24m

Deal found 9/30

$1,259

Fri 11/69:30 am -

2 stops43h 20m

Thu 11/2611:10 am -

2 stops25h 49m

Deal found 10/2

$1,260

Sun 11/18:34 am -

2 stops32h 01m

Sun 11/89:55 am -

2 stops35h 31m

Deal found 10/2

$1,304

Best flights from Washington, D.C. to Sydney
Discover carefully curated flight deals from Washington, D.C. to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.

Sun 10/188:05 am -

1 stop32h 50m

Mon 11/211:50 am -

1 stop21h 36m

Deal found 10/2

$1,223

Sun 10/182:11 pm -

2 stops26h 39m

Mon 11/210:40 am -

2 stops24h 10m

Deal found 10/2

$1,242

Sat 10/249:45 am -

3 stops31h 50m

Sun 11/811:20 am -

2 stops25h 03m

Deal found 10/3

$1,512

Sat 10/248:15 am -

2 stops33h 20m

Sun 11/811:20 am -

1 stop24h 50m

Deal found 10/3

$1,596

Sat 10/2410:19 pm -

1 stop43h 16m

Sun 11/811:20 am -

1 stop24h 50m

Deal found 10/3

$1,602

Sun 11/226:39 pm -

3 stops33h 06m

Sat 12/59:40 pm -

3 stops35h 59m

Deal found 10/2

$1,651

Sat 10/317:02 am -

3 stops32h 23m

Wed 11/119:25 pm -

3 stops34h 49m

Deal found 10/2

$1,844

Wed 11/45:05 pm -

1 stop23h 55m

Wed 11/182:05 pm -

1 stop23h 09m

Deal found 10/3

$1,967

Sat 12/269:20 pm -

2 stops54h 05m

Sun 1/39:35 pm -

2 stops37h 50m

Deal found 10/1

$2,275

Tue 10/274:30 pm -

1 stop23h 30m

Tue 11/311:50 am -

2 stops24h 48m

Deal found 9/29

$1,242

Sat 10/242:11 pm -

2 stops26h 09m

Sun 11/810:40 am -

2 stops28h 43m

Deal found 10/3

$1,341

Mon 11/98:00 am -

1 stop33h 20m

Fri 11/2011:20 am -

1 stop25h 45m

Deal found 9/29

$1,288

Sun 10/186:50 pm -

1 stop22h 05m

Sat 10/3111:50 am -

2 stops25h 54m

Deal found 9/30

$1,292

Wed 11/1810:11 am -

2 stops42h 39m

Wed 11/253:15 pm -

2 stops40h 45m

Deal found 10/3

$1,669

Sat 10/243:04 pm -

1 stop24h 56m

Sun 11/89:15 am -

1 stop30h 23m

Deal found 10/3

$1,337

Sat 12/56:59 pm -

2 stops43h 26m

Mon 12/1411:15 am -

2 stops26h 44m

Deal found 10/2

$1,865

Sun 10/184:40 pm -

1 stop24h 10m

Mon 11/210:40 am -

2 stops25h 03m

Deal found 10/2

$1,708

Sat 10/314:30 pm -

1 stop23h 30m

Sat 11/219:10 am -

1 stop23h 15m

Deal found 10/3

$1,337

Sat 11/216:39 pm -

2 stops43h 46m

Sat 12/59:40 pm -

3 stops35h 59m

Deal found 9/29

$1,782

Wed 11/185:05 pm -

1 stop23h 55m

Wed 11/252:05 pm -

1 stop20h 55m

Deal found 10/3

$1,983

Tue 10/63:03 pm -

2 stops25h 47m

Thu 10/1510:15 am -

2 stops28h 11m

Deal found 9/30

$1,730

Fri 11/611:25 am -

1 stop29h 40m

Fri 11/1311:50 am -

1 stop21h 36m

Deal found 10/3

$1,337

Mon 11/95:05 pm -

1 stop23h 55m

Sun 11/222:05 pm -

1 stop20h 56m

Deal found 10/1

$2,018

Wed 11/1811:05 am -

3 stops30h 30m

Wed 11/2511:20 am -

3 stops39h 09m

Deal found 10/3

$2,221

Thu 12/314:31 pm -

1 stop23h 59m

Tue 3/910:40 am -

1 stop21h 01m

Deal found 10/3

$1,775

Fri 11/65:05 pm -

1 stop23h 55m

Thu 11/2611:15 am -

1 stop20h 45m

Deal found 10/2

$2,059

Thu 11/1912:01 pm -

2 stops28h 29m

Fri 11/2710:40 am -

2 stops26h 46m

Deal found 10/1

$1,830

Sun 11/222:38 pm -

1 stop26h 42m

Sat 12/511:50 am -

1 stop20h 18m

Deal found 10/2

$1,872

Wed 11/254:40 pm -

1 stop23h 50m

Sat 11/2810:40 am -

1 stop20h 39m

Deal found 10/2

$2,219

Sat 11/218:01 pm -

1 stop45h 04m

Sat 12/511:20 am -

1 stop21h 09m

Deal found 9/29

$1,889

Last-minute flights from Washington, D.C. to Sydney
Discover last-minute flight deals from Washington, D.C. to Sydney. Data last updated October 4, 2026 and is based on user searches.

Sun 10/188:05 am -

1 stop32h 50m

Mon 11/211:50 am -

1 stop21h 36m

Deal found 10/2

$1,223

Tue 10/208:05 am -

1 stop32h 50m

Tue 11/39:15 am -

1 stop29h 29m

Deal found 10/1

$1,249

Sun 10/2512:45 pm -

1 stop27h 15m

Mon 11/99:15 am -

1 stop23h 10m

Deal found 10/2

$1,229

Wed 10/288:30 am -

1 stop33h 10m

Wed 11/49:15 am -

1 stop29h 29m

Deal found 9/30

$1,238

Sun 11/18:34 am -

2 stops32h 01m

Sun 11/89:55 am -

2 stops35h 31m

Deal found 10/2

$1,304

Mon 11/29:00 am -

2 stops31h 30m

Mon 11/910:40 am -

2 stops23h 44m

Deal found 10/3

$1,241

Fri 11/69:30 am -

2 stops43h 20m

Thu 11/2611:10 am -

2 stops25h 49m

Deal found 10/2

$1,260

Mon 11/94:30 pm -

2 stops24h 35m

Mon 11/169:15 am -

1 stop23h 10m

Deal found 9/30

$1,242

Mon 11/96:10 am -

2 stops35h 25m

Fri 11/2011:20 am -

2 stops26h 22m

Deal found 9/29

$1,258

Wed 11/118:00 am -

1 stop33h 20m

Wed 12/211:50 am -

1 stop21h 35m

Deal found 10/2

$1,237

Wed 11/118:00 am -

1 stop33h 20m

Tue 12/111:50 am -

1 stop35h 02m

Deal found 10/2

$1,248

Wed 11/1112:45 pm -

1 stop26h 15m

Mon 11/3011:20 am -

2 stops38h 24m

Deal found 9/30

$1,259

One-way flights from Washington, D.C. to Sydney
Search for one-way flight options from Washington, D.C. to Sydney. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.

Wed 11/185:45 am -

2 stops32h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/2

$537

Mon 11/912:31 pm -

2 stops49h 54m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/2

$583

Wed 11/187:00 am -

2 stops31h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/2

$586

Wed 10/2810:45 am -

2 stops28h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/3

$587

Wed 10/2812:31 pm -

2 stops50h 54m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/3

$593

Thu 12/107:00 am -

2 stops31h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/30

$593

Wed 10/287:00 am -

2 stops32h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/3

$598

Tue 10/207:50 am -

2 stops32h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/29

$609

Wed 11/187:48 am -

3 stops57h 02m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/2

$616

Sun 11/155:45 am -

2 stops32h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/1

$633

Sun 11/1511:25 am -

1 stop29h 40m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/1

$647

Wed 10/284:30 pm -

1 stop23h 30m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/3

$651

Find flight deals from Washington, D.C. to Sydney

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,223 (United Airlines)
One-way from	$537 (Kiwi.com)
Popular in	December
Cheapest in	April
Average price	$1,597

Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.

Search Deals

From Washington, D.C. (WAS) to Sydney Kingsford Smith

Search Deals

One-way flight from Washington, D.C. (WAS) to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($79 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Wed 11/18

10:45 am-8:50 am

3 stops54h 05m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$622

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Wed 11/18

7:48 am-6:25 am

2 stops30h 37m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$642

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Sun 11/8

6:46 pm-7:45 pm

3 stops32h 59m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$742

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Sat 11/28

10:09 am-9:05 am

2 stops30h 56m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$777

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sun 11/8

10:01 pm-9:35 am

2 stops43h 34m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$804

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 10/13

6:00 am-9:00 am

2 stops36h 00m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$829

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Thu 12/31

1:20 pm-6:35 am

2 stops49h 15m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$836

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Tue 10/13

12:00 pm-7:50 am

2 stops28h 50m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$838

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 11/20

5:42 pm-7:45 pm

3 stops34h 03m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$869

BaltimoreSydney

BWI Baltimore/Washington - SYD Sydney Kingsford Smith

BWISYD

Baltimore/Washington

Fri 1/1

5:30 am-6:35 am

2 stops33h 05m

Sydney Kingsford Smith

Wed 12/31

12:00 am-9:00 am

Nonstop0h 00m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 58 resultsSorted by cheapest first

...

Compare providers for flights from Washington, D.C. to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Sydney in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Ovago	Price Accuracy3 stars	Trust Score*3 stars
Gurufare	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Sydney flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Washington, D.C. with our price prediction graph.

WAS-SYD

BWI-SYD

DCA-SYD

IAD-SYD

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Sydney

WAS-SYD

BWI-SYD

DCA-SYD

IAD-SYD

What is the cheapest month to book a flight from Washington, D.C. to Sydney?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $1,310). Flying from Washington, D.C. to Sydney in December is currently the most expensive (average of $1,924). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. to Sydney?

Airfare is below average for this route at the moment.

Washington, D.C. to Sydney flights typically cost between $1,383 and $1,711 in October.
The cheapest round-trip price found within the last 5 days was $1,223 on United Airlines (Oct 18-Nov 2).

What’s the top layover airport for flights from Washington, D.C. to Sydney?

Los Angeles (LAX) – chosen by Cheapflights users on 44% of 1-stop itineraries from Washington, D.C. to Sydney on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Sydney?

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $379.

What’s the fastest layover option from Washington, D.C. to Sydney?

Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 9h 00m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Sydney?

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 25m.

How far ahead should I book a flight from Washington, D.C. to Sydney?

Booking 8 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Sydney

Peruse reviews from past customers who have flown with Air New Zealand,Delta, andQantas Airways from Washington, D.C. to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Air New Zealand

8.0

Very good

669 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Delta

7.8

Good

8,629 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Qantas Airways

7.5

Good

1,103 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

United Airlines

7.4

Good

10,282 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

American Airlines

7.0

Good

12,132 reviews

Air New Zealand

8.0

Very good

669 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Related info for your journey

What airport do you fly into for flights to Sydney from Washington, D.C.?
Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Sydney. 6 airlines have flights to Kingsford Smith from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Sydney Kingsford Smith should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.
How long is the flight from Washington, D.C. to Sydney?
A quick flight from Washington, D.C. to Sydney can take about 26h 39m. United Airlines provides one of the quickest options available for as low as $1,242. The distance between Washington, D.C. and Sydney is about 9781 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Washington, D.C. to Sydney round-trip?
Currently priced at $357, United Airlines will fly you from Washington, D.C. to Sydney and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $377 and $836, respectively. United Airlines is 75% cheaper than the average price of flights available within the next 90 days to this destination.
What are the most popular routes from Washington, D.C. to Sydney?
When deciding which route to take from Washington, D.C. to Sydney consider Washington, D.C. Dulles Intl - Sydney Kingsford Smith, Baltimore/Washington - Sydney Kingsford Smith or Washington, D.C. Reagan-National - Sydney Kingsford Smith as they are the most popular.
Where are the most common layover locations when flying from Washington, D.C. to Sydney?
Flights departing from Washington, D.C. and landing in Sydney layover in Los Angeles most frequently.
What are some popular things to do or see while on a layover in Los Angeles?
Hollywood Bowl, Hollywood Walk of Fame, and Little Tokyo are the most popular attractions in Los Angeles if you're in need of something to do during your layover. Hollywood Bowl, Hollywood Walk of Fame and Little Tokyo are located about 12.4 mi, 11.7 mi, and 12.2 mi, respectively from Los Angeles if you are interested in checking them out. Those landing in Los Angeles looking to spend some time exploring during their layover can rent a car for about $37 per day.
Where are the least popular layover locations for Washington, D.C. to Sydney flights?
Of the flights from Washington, D.C. to Sydney that have layovers, the fewest flights stop in Dallas.
Can I find deals for flights from Washington, D.C. to Sydney that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Sydney.
Can I find deals for business class flights from Washington, D.C. to Sydney?
Yes. Cheapflights offers flight deals from Washington, D.C. to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Sydney?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $1,310). Flying from Washington, D.C. to Sydney in December is currently the most expensive (average of $1,924). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Parramatta

Wollongong

Coogee

Manly

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Other flights from Washington, D.C.

Popular flights

Sydney flight routes

Top destinations

Alternative routes for Washington, D.C. to Sydney

Dulles Intl to Sydney flights

Reagan-National to Sydney flights

Top 6 airlines flying from Washington, D.C. to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$357	Average$1,630	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$377	Average$1,383	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$836	Average$1,467	FlexibilityNo cancel fee	On-time71%
Qantas Airways	Cheapest$878	Average$1,377	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$1,105	Average$1,598	FlexibilityNo cancel fee	On-time67%
Air New Zealand	Cheapest$1,275	Average$1,541	FlexibilityNo cancel fee	On-time78%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$537+ Cheap flights from Washington, D.C. (WAS) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Sydney

Cheapest flights from Washington, D.C. to SydneyExplore the most affordable flight options available from Washington, D.C. to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.

Explore the most affordable flight options available from Washington, D.C. to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.

Best flights from Washington, D.C. to SydneyDiscover carefully curated flight deals from Washington, D.C. to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.

Discover carefully curated flight deals from Washington, D.C. to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.

Last-minute flights from Washington, D.C. to SydneyDiscover last-minute flight deals from Washington, D.C. to Sydney. Data last updated October 4, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Sydney. Data last updated October 4, 2026 and is based on user searches.

One-way flights from Washington, D.C. to SydneySearch for one-way flight options from Washington, D.C. to Sydney. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.

Search for one-way flight options from Washington, D.C. to Sydney. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.

Find flight deals from Washington, D.C. to Sydney

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Sydney that are best for you.

Compare providers for flights from Washington, D.C. to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Sydney in October.

Best time to book a flight from Washington, D.C. to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Washington, D.C. with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Washington, D.C. to Sydney?

How much does it cost to fly round-trip from Washington, D.C. to Sydney?

Airfare is below average for this route at the moment.

Washington, D.C. to Sydney flights typically cost between $1,383 and $1,711 in October.The cheapest round-trip price found within the last 5 days was $1,223 on United Airlines (Oct 18-Nov 2).

What’s the top layover airport for flights from Washington, D.C. to Sydney?

Share of 1-stop round-trip flights from Washington, D.C. to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.

Los Angeles (LAX) – chosen by Cheapflights users on 44% of 1-stop itineraries from Washington, D.C. to Sydney on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Sydney?

Average round-trip fare for 1-stop flights from Washington, D.C. to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $379.

What’s the fastest layover option from Washington, D.C. to Sydney?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 9h 00m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Sydney?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 1h 25m.

How far ahead should I book a flight from Washington, D.C. to Sydney?

Booking 8 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Sydney

Peruse reviews from past customers who have flown with Air New Zealand,Delta, andQantas Airways from Washington, D.C. to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Sydney from Washington, D.C.?

How long is the flight from Washington, D.C. to Sydney?

What are the cheapest airlines flying from Washington, D.C. to Sydney round-trip?

What are the most popular routes from Washington, D.C. to Sydney?

Where are the most common layover locations when flying from Washington, D.C. to Sydney?

What are some popular things to do or see while on a layover in Los Angeles?

Where are the least popular layover locations for Washington, D.C. to Sydney flights?

Can I find deals for flights from Washington, D.C. to Sydney that include hotel bookings?

How can I find direct flights from Washington, D.C. to Sydney?

Can I find deals for business class flights from Washington, D.C. to Sydney?

What is the cheapest month to book a flight from Washington, D.C. to Sydney?

Traveling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Sydney by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Washington, D.C. to Sydney by cabin class

Find flights from Washington, D.C. to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Washington, D.C. and Sydney flights

Browse other Washington, D.C. and Sydney flight options. Last updated on October 4, 2026.

Other flights from Washington, D.C.

Browse through other flights departing from Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.

Cheapest flights from Washington, D.C. to Sydney
Explore the most affordable flight options available from Washington, D.C. to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 4, 2026.

Best flights from Washington, D.C. to Sydney
Discover carefully curated flight deals from Washington, D.C. to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 4, 2026.

Last-minute flights from Washington, D.C. to Sydney
Discover last-minute flight deals from Washington, D.C. to Sydney. Data last updated October 4, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Sydney
Search for one-way flight options from Washington, D.C. to Sydney. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.

Washington, D.C. to Sydney flights typically cost between $1,383 and $1,711 in October.
The cheapest round-trip price found within the last 5 days was $1,223 on United Airlines (Oct 18-Nov 2).