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

Flying on Delta is currently your cheapest option to Sydney, with prices starting at $1,782. Additional round-trip tickets that might be worth considering are offered by Fiji Airways and Air New Zealand, with the lowest prices starting at $1,896 and $1,904, respectively. Delta is 9% cheaper than the average price of flights available within the next 90 days to this destination. Find deals

What are the cheapest airlines to fly from Washington, D.C. to Sydney one-way?

The cheapet airlines for a one-way flight from Washington, D.C. to Sydney are Fiji Airways ($1,075), Air New Zealand ($1,100), and Qantas Airways ($1,161). Find deals

What is the cheapest day to fly from Washington, D.C. to Sydney?

Travellers seeking maximum savings on their Washington, D.C. to Sydney flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

The most popular flight routes from Washington, D.C. to Sydney are Washington, D.C. Dulles Intl - Sydney Kingsford Smith, Baltimore/Washington - Sydney Kingsford Smith and Washington, D.C. Reagan-National - Sydney Kingsford Smith.

What is the cheapest day to fly return from Washington, D.C. to Sydney?

Flights from Washington, D.C. to Sydney are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

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

Users have found that booking a flight from Washington, D.C. to Sydney at least 20 days early can save you up to 6% on average compared to booking a flight this week. If booking 20 days before your flight isn’t an option for you, users have found flights from Washington, D.C. to Sydney for as little as $1,494 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,988 for flights departing within the next 3 days.

What is the cheapest month to fly from Washington, D.C. to Sydney?

February can be a great time to fly to Sydney from Washington, D.C. with a flight ticket averaging about $1,959. Cheapflights users have found deals in the month of February for as cheap as $1,286. The most expensive prices can be found in the month of December.

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

If you book a flight to Sydney from Washington, D.C., you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Washington, D.C. to Kingsford Smith per day from 2 different airlines.

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 holiday 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.

$722+ Flights from Washington, D.C. to Sydney

Cheapflights Tip: The best prices from Washington, D.C. to Sydney Kingsford Smith are usually found in February or April, booked 79 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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

Round-trip from	$1,782
One-way from	$789
Popular in	December
Cheapest in	February
Average price	$1,902

Delta
20/6-9/7
2 total stops
44h 00m total
Washington, D.C. to Sydney

Search Deals

2/8
2 total stops
43h 43m total
Washington, D.C. to Sydney

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($781 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($119 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

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

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 1 May 2025.

Sat 8/1117:25DCA - SYD

1 stop23h 10mDelta

Tue 25/1111:05SYD - DCA

1 stop21h 02mDelta

Deal found 30/4$1,782

Sun 21/912:35IAD - SYD

2 stops28h 00mDelta

Thu 2/1009:25SYD - IAD

2 stops23h 17mDelta

Deal found 30/4$1,790

Sat 9/812:12BWI - SYD

3 stops33h 33mMultiple Airlines

Wed 13/819:45SYD - BWI

3 stops42h 14mMultiple Airlines

Deal found 29/4$1,793

Sun 30/1111:30IAD - SYD

2 stops31h 20mQantas Airways

Wed 10/1207:05SYD - IAD

2 stops25h 01mQantas Airways

Deal found 30/4$1,844

Mon 1/907:00BWI - SYD

2 stops35h 45mAir New Zealand

Tue 30/908:55SYD - BWI

2 stops37h 11mAir New Zealand

Deal found 29/4$1,904

Sat 16/819:31DCA - SYD

2 stops36h 39mFiji Airways

Thu 21/813:15SYD - DCA

2 stops23h 44mFiji Airways

Deal found 30/4$1,969

Mon 28/717:53IAD - SYD

2 stops26h 42mAir New Zealand

Sat 9/811:50SYD - IAD

2 stops33h 03mAir New Zealand

Deal found 29/4$1,974

Wed 17/916:47DCA - SYD

2 stops25h 58mAir New Zealand

Thu 9/1011:50SYD - DCA

2 stops24h 01mAir New Zealand

Deal found 30/4$1,974

Wed 11/608:59DCA - SYD

1 stop32h 31mMultiple Airlines

Wed 18/616:20SYD - DCA

2 stops44h 39mMultiple Airlines

Deal found 29/4$1,987

Tue 26/812:15IAD - SYD

1 stop31h 10mANA

Tue 9/920:55SYD - IAD

1 stop32h 40mANA

Deal found 30/4$2,005

Tue 21/1011:30IAD - SYD

2 stops34h 15mMultiple Airlines

Thu 13/1106:00SYD - IAD

2 stops32h 18mMultiple Airlines

Deal found 29/4$2,027

Sun 16/1109:55IAD - SYD

3 stops31h 40mAir Canada

Wed 26/1111:20SYD - IAD

2 stops39h 56mAir Canada

Deal found 30/4$2,221

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 stopovers in mind to ensure you get the best travel experience. Data last updated 1 May 2025.

Fri 20/617:10DCA - SYD

1 stop23h 25mDelta

Wed 9/709:25SYD - DCA

1 stop20h 35mDelta

Deal found 30/4$1,782

Sat 9/812:12BWI - SYD

3 stops33h 33mMultiple Airlines

Wed 13/819:45SYD - BWI

3 stops42h 14mMultiple Airlines

Deal found 29/4$1,793

Sat 27/919:30DCA - SYD

2 stops26h 15mFiji Airways

Sat 11/1014:45SYD - DCA

2 stops23h 15mFiji Airways

Deal found 29/4$1,896

Mon 1/907:00BWI - SYD

2 stops35h 45mAir New Zealand

Tue 30/908:55SYD - BWI

2 stops37h 11mAir New Zealand

Deal found 29/4$1,904

Tue 26/812:15IAD - SYD

1 stop31h 10mANA

Tue 9/920:55SYD - IAD

1 stop32h 40mANA

Deal found 30/4$2,005

Sun 26/1009:55IAD - SYD

3 stops31h 40mAir Canada

Mon 10/1111:20SYD - IAD

2 stops36h 15mAir Canada

Deal found 29/4$2,230

Mon 2/619:18BWI - SYD

1 stop21h 37mAmerican Airlines

Sat 14/609:10SYD - BWI

2 stops23h 12mAmerican Airlines

Deal found 29/4$2,230

Tue 8/720:19IAD - SYD

2 stops33h 26mAlaska Airlines

Tue 5/821:40SYD - IAD

2 stops32h 45mAlaska Airlines

Deal found 29/4$2,237

Mon 13/1013:30IAD - SYD

2 stops39h 30mTurkish Airlines

Fri 17/1021:55SYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 29/4$2,240

Sun 1/617:30BWI - SYD

2 stops23h 30mUnited Airlines

Mon 16/610:20SYD - BWI

1 stop35h 07mUnited Airlines

Deal found 30/4$2,254

Sun 26/1017:20DCA - SYD

1 stop24h 40mQantas Airways

Mon 10/1114:30SYD - DCA

1 stop24h 30mQantas Airways

Deal found 29/4$2,254

Wed 11/615:19BWI - SYD

2 stops26h 11mBritish Airways

Wed 18/609:10SYD - BWI

2 stops23h 40mBritish Airways

Deal found 29/4$2,344

Last-minute flights from Washington, D.C. to Sydney
Discover last-minute flight deals from Washington, D.C. to Sydney. Data last updated 1 May 2025 and is based on user searches.

Fri 2/508:59DCA - SYD

1 stop32h 31mMultiple Airlines

Thu 15/516:20SYD - DCA

2 stops44h 38mMultiple Airlines

Deal found 29/4$2,062

Sun 4/517:10DCA - SYD

1 stop23h 25mDelta

Sun 18/509:25SYD - DCA

1 stop20h 40mDelta

Deal found 30/4$2,196

Sun 4/506:00IAD - SYD

2 stops34h 35mDelta

Sun 18/509:25SYD - IAD

2 stops23h 22mDelta

Deal found 30/4$2,204

Mon 5/517:38IAD - SYD

2 stops46h 32mMultiple Airlines

Mon 12/507:40SYD - IAD

2 stops46h 20mMultiple Airlines

Deal found 29/4$2,571

Mon 5/510:55IAD - SYD

1 stop45h 10mEmirates

Fri 13/609:50SYD - IAD

2 stops36h 50mEmirates

Deal found 29/4$2,682

Mon 5/517:30DCA - SYD

1 stop23h 35mQantas Airways

Mon 19/510:25SYD - DCA

1 stop22h 26mQantas Airways

Deal found 29/4$2,693

Mon 5/517:25IAD - SYD

2 stops50h 55mAustrian Airlines

Thu 12/614:50SYD - IAD

2 stops37h 45mAustrian Airlines

Deal found 28/4$2,746

Mon 5/518:35BWI - SYD

1 stop22h 20mAir New Zealand

Mon 19/511:50SYD - BWI

2 stops31h 23mAir New Zealand

Deal found 29/4$2,792

Tue 6/506:10BWI - SYD

1 stop35h 20mMultiple Airlines

Tue 17/617:45SYD - BWI

2 stops25h 58mMultiple Airlines

Deal found 29/4$2,132

Tue 6/508:59DCA - SYD

1 stop32h 31mMultiple Airlines

Mon 16/616:20SYD - DCA

2 stops36h 48mMultiple Airlines

Deal found 29/4$2,168

Tue 6/509:20IAD - SYD

2 stops31h 15mDelta

Tue 20/509:25SYD - IAD

2 stops28h 10mDelta

Deal found 30/4$2,204

Tue 6/521:40IAD - SYD

2 stops31h 20mTurkish Airlines

Tue 27/520:55SYD - IAD

2 stops52h 50mTurkish Airlines

Deal found 29/4$2,241

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 1 May 2025.

Sat 2/812:27IAD - SYD

2 stops43h 43mMultiple Airlines

Deal found 29/4$789

Sat 26/708:00BWI - SYD

3 stops45h 15mMultiple Airlines

Deal found 29/4$1,008

Tue 30/919:30DCA - SYD

2 stops36h 40mFiji Airways

Deal found 30/4$1,075

Mon 20/1009:00BWI - SYD

2 stops32h 45mAir New Zealand

Deal found 29/4$1,100

Tue 3/619:18BWI - SYD

1 stop21h 37mQantas Airways

Deal found 29/4$1,161

Tue 6/517:38IAD - SYD

2 stops36h 07mAlaska Airlines

Deal found 29/4$1,172

Wed 27/812:15IAD - SYD

1 stop41h 00mANA

Deal found 29/4$1,214

Tue 10/613:35BWI - SYD

2 stops26h 30mAmerican Airlines

Deal found 29/4$1,214

Tue 30/914:10BWI - SYD

2 stops26h 25mDelta

Deal found 30/4$1,249

Wed 25/617:30DCA - SYD

1 stop23h 35mQantas Airways

Deal found 30/4$1,316

Wed 27/816:47DCA - SYD

2 stops25h 58mAir New Zealand

Deal found 30/4$1,349

Wed 28/511:00IAD - SYD

1 stop41h 00mAir India

Deal found 30/4$1,377

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

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Thu 12/6

17:57-12:15

2 stops28h 18m

Sydney Kingsford Smith

Mon 16/6

17:45-19:28

1 stop39h 43m

$1,774

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 20/6

17:10-06:35

1 stop23h 25m

Sydney Kingsford Smith

Wed 9/7

09:25-16:00

1 stop20h 35m

$1,782

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 20/6

13:00-06:35

2 stops27h 35m

Sydney Kingsford Smith

Wed 9/7

09:25-18:24

2 stops22h 59m

$1,790

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 27/9

19:30-11:45

2 stops26h 15m

Sydney Kingsford Smith

Sat 11/10

14:45-23:00

2 stops23h 15m

$1,896

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 6/6

08:59-07:30

1 stop32h 31m

Sydney Kingsford Smith

Fri 13/6

16:20-22:59

2 stops44h 39m

$1,949

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 28/7

17:53-10:35

2 stops26h 42m

Sydney Kingsford Smith

Sat 9/8

11:50-06:53

2 stops33h 03m

$1,974

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Wed 17/9

14:54-08:45

2 stops27h 51m

Sydney Kingsford Smith

Thu 9/10

09:55-08:06

2 stops37h 11m

$1,974

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 17/9

16:47-08:45

2 stops25h 58m

Sydney Kingsford Smith

Thu 9/10

11:50-20:51

2 stops24h 01m

$1,974

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 26/8

12:15-09:25

1 stop31h 10m

Sydney Kingsford Smith

Tue 9/9

20:55-15:35

1 stop32h 40m

$2,005

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 21/10

11:30-12:45

2 stops34h 15m

Sydney Kingsford Smith

Thu 13/11

06:00-22:18

2 stops32h 18m

$2,027

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 60 results

...

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.

Estimated return 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

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

Booking 79 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.

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $129). Flying from Washington, D.C. to Sydney in October is currently the most expensive (average of $171). 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.

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

It’s typically best to fly out from Washington, D.C. to Sydney in the morning. Doing so could potentially save you 28% on the flight price compared to flying in the evening, which is usually more expensive.

Rainfall in Sydney by month

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Peruse reviews from past customers who have flown with Air Tahiti Nui, Korean Air and ANA 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 Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui

8.8

Very Good

62 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Korean Air

8.4

Very Good

1,069 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very Good

852 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Fiji Airways

8.1

Very Good

190 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Singapore Airlines

8.1

Very Good

1,292 reviews

Air Tahiti Nui

8.8

Very Good

62 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

What airport do you fly into for flights to Sydney from Washington, D.C.?
If you book a flight to Sydney from Washington, D.C., you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Washington, D.C. to Kingsford Smith per day from 2 different airlines.
What are the cheapest airlines flying from Washington, D.C. to Sydney round-trip?
Flying on Delta is currently your cheapest option to Sydney, with prices starting at $1,782. Additional round-trip tickets that might be worth considering are offered by Fiji Airways and Air New Zealand, with the lowest prices starting at $1,896 and $1,904, respectively. Delta is 9% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Washington, D.C. to Sydney one-way?
The cheapet airlines for a one-way flight from Washington, D.C. to Sydney are Fiji Airways ($1,075), Air New Zealand ($1,100), and Qantas Airways ($1,161).
What are the most popular routes from Washington, D.C. to Sydney?
The most popular flight routes from Washington, D.C. to Sydney are Washington, D.C. Dulles Intl - Sydney Kingsford Smith, Baltimore/Washington - Sydney Kingsford Smith and Washington, D.C. Reagan-National - Sydney Kingsford Smith.
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 holiday 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, May is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $129). Flying from Washington, D.C. to Sydney in October is currently the most expensive (average of $171). 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

Katoomba

Manly

Penrith

Coogee

Randwick

Terrigal

Cronulla

Lithgow

Bondi Beach

Leura

Swansea

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Sydney

Dulles Intl to Sydney flights

Reagan-National to Sydney flights

Dulles Intl to Coolangatta flights

Other flights to Sydney

Top 2 airlines flying from Washington, D.C. to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$1,873	Average$2,235	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest$2,242	Average$2,435	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from Washington, D.C. to Sydney?

When you search for this flight from Washington, D.C. to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Washington, D.C. to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington, D.C. to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Sydney become cheaper?

Yes! Start tracking prices for Washington, D.C. to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Washington, D.C. to Sydney from $722

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Washington, D.C. to Sydney Kingsford Smith are usually found in February or April, booked 79 days in advance, depart on a Monday or Tuesday and return on a Wednesday

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 1 May 2025.

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 1 May 2025.

Cheapflights Fare Finder

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

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

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

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

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Sydney. Price data was last updated on 25 April 2025.

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

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

Find hourly flight availability from Washington, D.C. to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 May 2025.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 1 May 2025.

Peruse reviews from past customers who have flown with Air Tahiti Nui, Korean Air and ANA 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

Find useful and relevant information for your journey from Washington, D.C. to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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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 1 May 2025.