Cheap flights from Washington, D.C. (WAS) to Sydney (SYD) from $839

This is the cheapest one-way flight price, found on 9/19. Prices may vary by date and flight preferences.
WAS — SYD
Sep 25 — Oct 21

The best prices from Washington, D.C. to Sydney Kingsford Smith are usually found in August or October, booked 60 days in advance, depart on a Wednesday or Friday and return on a Thursday

How to find the cheapest flight from Washington, D.C. (WAS) to Sydney (SYD)

All the information you need to plan the best WAS to SYD flight in 2023: compare Washington, D.C. to Sydney flight prices with the expected peak season, weather and rainfall in Sydney.

Popular in

January

Cheapest in

August

Round-trip from

$1,356

One-way from

$903
High demand for flights, 22% potential price rise
Best time to find cheap flights, 16% potential price drop
From Washington, D.C. (WAS) to Sydney Kingsford Smith
One-way flight from Washington, D.C. (WAS) to Sydney Kingsford Smith

WAS - SYD

Price

$1,356 - $2,782

SYD

Temperature

51.8 - 71.6 °F

SYD

Rainfall

2 - 5.1 inches

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

Flights from Washington, D.C. to Sydney are found to be more expensive on Sunday. 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 61 days early can save you up to 35% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Washington, D.C. to Sydney for as little as $2,232 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 $2,467 for flights departing within the next 3 days.

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

Our data shows that August tends to be the cheapest month to fly to Sydney from Washington, D.C.. Users have commonly found prices around $1,816 for the month, but tickets can be as low as $1,254. Due to multiple factors, prepare for potentially higher prices in January.

When is the cheapest time to fly from Washington, D.C. to Sydney (WAS - SYD)?

It’s optimal to fly from Washington, D.C. to Sydney in the morning. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the evening.

Cheap United Airlines flights from Washington, D.C. to Sydney

Consider these cheap United Airlines flights we've found departing from Washington, D.C. to Sydney. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap Delta flights from Washington, D.C. to Sydney

Some of the best deals we've found on Delta flights traveling from Washington, D.C. to Sydney. Deals frequently update to provide users with more options.

Cheap Washington, D.C. to Sydney flights in September & October 2023

The best prices found for WAS to SYD flights for September, October
These are some of the best deals we've found on flights to Sydney in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Washington, D.C. to Sydney 2023 flight deals

Cheap flights to Sydney from Washington, D.C. found for this year
These are some of the best deals we've found on flights to Sydney in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Washington, D.C. to Sydney flights leaving soon

Late deals on return flights to Sydney from Washington, D.C., departing today and this week
Have a look at some of the flights available from Washington, D.C. to Sydney departing last-minute. It's wise to confirm all flight details are correct before booking.

One-way flights to Sydney from Washington, D.C.

The cheapest one-way flights from Washington, D.C. to Sydney
Some of the best available deals we've found on one-way flights from Washington, D.C. to Sydney. Users needing a return flight from Washington, D.C. to Sydney should utilize the search form above.

Find flights from Washington, D.C. to Sydney within your budget

Use the slider to find flights from Washington, D.C. to Sydney that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$1,155 - $1,660

Route

Depart

Return

Price

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Sun 2/4

2 stops55h 10m

Sydney Kingsford Smith

Sat 2/10

2 stops48h 52m

Washington, D.C. Dulles IntlSydney Kingsford Smith

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 10/30

1 stop24h 00m

Sydney Kingsford Smith

Sat 11/11

2 stops35h 43m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Sun 10/29

1 stop33h 05m

Sydney Kingsford Smith

Wed 11/8

1 stop21h 31m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Tue 10/24

2 stops27h 50m

Sydney Kingsford Smith

Mon 11/6

2 stops28h 43m

Washington, D.C. Reagan-NationalSydney Kingsford Smith

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 2/13

2 stops27h 20m

Sydney Kingsford Smith

Thu 2/22

2 stops42h 17m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Mon 1/15

2 stops28h 05m

Sydney Kingsford Smith

Mon 1/29

2 stops25h 22m

Baltimore/WashingtonSydney Kingsford Smith

BWI - SYD

BWISYD

Baltimore/Washington

Wed 10/18

1 stop22h 08m

Sydney Kingsford Smith

Wed 10/25

2 stops34h 19m

Washington, D.C. Dulles IntlSydney Kingsford Smith

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 10/18

1 stop23h 45m

Sydney Kingsford Smith

Sun 10/29

2 stops38h 02m

Washington, D.C. Reagan-NationalSydney Kingsford Smith

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 3/10

2 stops46h 50m

Sydney Kingsford Smith

Sun 3/17

2 stops33h 51m

Flights are sorted by cheapest first

Deals found on 9/19

Reviews of airlines servicing Sydney

To help decide which airline to fly from Washington, D.C. to Sydney, see what other customers have to say about United Airlines, Delta and Air New Zealand. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
9.2
Wonderful
5 reviews

Crew

9.6

Boarding

8.8

Overall

9.2

Food

8.0

Comfort

7.6

Entertainment

6.8

Reviews

1 / 2

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
9.2
Wonderful
5 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Crew

9.6

Boarding

8.8

Overall

9.2

Food

8.0

Comfort

7.6

Entertainment

6.8

Reviews

1 / 2

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.

ANA
8.3
Very good
153 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Crew

9.6

Boarding

8.8

Overall

9.2

Food

8.0

Comfort

7.6

Entertainment

6.8

Reviews

1 / 2

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.

Japan Airlines
8.2
Very good
401 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Crew

9.6

Boarding

8.8

Overall

9.2

Food

8.0

Comfort

7.6

Entertainment

6.8

Reviews

1 / 2

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 New Zealand
8.2
Very good
62 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Crew

9.6

Boarding

8.8

Overall

9.2

Food

8.0

Comfort

7.6

Entertainment

6.8

Reviews

1 / 2

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.

Fiji Airways
8.1
Very good
38 reviews
Air Tahiti Nui
9.2
Wonderful
5 reviews

Crew

9.6

Boarding

8.8

Overall

9.2

Food

8.0

Comfort

7.6

Entertainment

6.8

Reviews

1 / 2

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.

Related info for your journey

Useful info, stats and facts about Washington, D.C. to Sydney flights.

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. 9 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 flights from Washington, D.C. to Sydney for under $1,200 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. to Sydney for under $1,200. The cheapest flight booked recently is on Air Canada for just $1,155, but on average you can expect to pay $1,223.

Are there last-minute flights available from Washington, D.C. to Sydney for under $1,800?

There are currently 20+ open flights from Washington, D.C. to Sydney within the next 7 days for less than $1,800.

What is the cheapest airline to fly from Washington, D.C. to Sydney round-trip?

Currently priced at $1,155, Air Canada will fly you from Washington, D.C. to Sydney and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Air Canada is 36% 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 cheapest airlines for a one-way flight from Washington, D.C. to Sydney are Fiji Airways ($903), Etihad Airways ($972), and Qantas Airways ($1,111).

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

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

What does IAD to SYD mean?

IAD and SYD are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to SYD refers to a flight route from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

Top 9 airlines flying from Washington, D.C. to Sydney

The chart below displays the airlines Cheapflights users traveling from Washington, D.C. to Sydney choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$308Average$488FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$320Average$2,110FlexibilityNo cancel feeOn-time69%
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DeltaCheapest$811Average$2,067FlexibilityNo cancel feeOn-timeN/A
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Fiji AirwaysCheapest$1,007Average$1,390FlexibilityNo cancel feeOn-time74%
Search Fiji Airways flights
American AirlinesCheapest$1,068Average$1,849FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,107Average$1,539FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,421Average$2,354FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,555Average$1,978FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
ANACheapest$1,652Average$2,138FlexibilityNo cancel feeOn-time80%
Search ANA flights
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