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Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from $950

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Sydney departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
14:30 - 19:50
IAD
-
SYD
37h 20m
2 stops
Turkish Airlines Logo
21:45 - 19:15
SYD
-
IAD
37h 30m
2 stops
$2,011Turkish Airlines
Wed, 4 Nov - Thu, 10 Dec
Turkish Airlines Logo
14:30 - 19:50
IAD
-
SYD
37h 20m
2 stops
Turkish Airlines Logo
21:45 - 11:45
SYD
-
IAD
54h 00m
2 stops
$2,015Turkish Airlines
Wed, 4 Nov - Thu, 19 Nov
Turkish Airlines Logo
21:45 - 19:10
IAD
-
SYD
31h 25m
2 stops
Turkish Airlines Logo
22:05 - 11:35
SYD
-
IAD
52h 30m
2 stops
$2,038Turkish Airlines
Sun, 23 Aug - Wed, 14 Oct
Air Canada Logo
15:45 - 07:20
IAD
-
SYD
25h 35m
2 stops
Air Canada Logo
09:20 - 20:24
SYD
-
IAD
25h 04m
2 stops
$2,045Air Canada
Tue, 28 Jul - Tue, 11 Aug
Turkish Airlines Logo
13:30 - 19:50
IAD
-
SYD
38h 20m
2 stops
Turkish Airlines Logo
21:45 - 19:15
SYD
-
IAD
37h 30m
2 stops
$2,060Turkish Airlines
Wed, 11 Nov - Tue, 24 Nov
Air Canada Logo
09:45 - 07:20
IAD
-
SYD
31h 35m
2 stops
Air Canada Logo
10:20 - 19:00
SYD
-
IAD
23h 40m
2 stops
$2,067Air Canada
Tue, 22 Sep - Sun, 4 Oct
Air Canada Logo
09:45 - 07:20
IAD
-
SYD
31h 35m
2 stops
Air Canada Logo
10:20 - 19:00
SYD
-
IAD
23h 40m
2 stops
$2,068Air Canada
Tue, 22 Sep - Sun, 4 Oct
Turkish Airlines Logo
21:45 - 19:10
IAD
-
SYD
31h 25m
2 stops
Turkish Airlines Logo
21:05 - 19:50
SYD
-
IAD
36h 45m
2 stops
$2,070Turkish Airlines
Mon, 21 Sep - Wed, 30 Sep
Air Canada Logo
08:18 - 07:20
IAD
-
SYD
33h 02m
2 stops
Air Canada Logo
09:20 - 07:44
SYD
-
IAD
36h 24m
2 stops
$2,073Air Canada
Wed, 3 Jun - Tue, 16 Jun
Air Canada Logo
16:20 - 07:20
IAD
-
SYD
25h 00m
2 stops
Air Canada Logo
09:20 - 19:00
SYD
-
IAD
23h 40m
2 stops
$2,074Air Canada
Wed, 26 Aug - Sun, 27 Sep

Air Canada flights from Washington, D.C. Dulles Intl Airport to Sydney

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Sydney flight tickets
Air Canada
28 July
IAD15:45Washington, D.C. Dulles Intl
25h 35m
2 stops
SYD07:20Sydney Kingsford Smith
11 Aug
SYD09:20Sydney Kingsford Smith
25h 04m
2 stops
IAD20:24Washington, D.C. Dulles Intl
$2,045
Air Canada
22 Sept
IAD09:45Washington, D.C. Dulles Intl
31h 35m
2 stops
SYD07:20Sydney Kingsford Smith
4 Oct
SYD10:20Sydney Kingsford Smith
23h 40m
2 stops
IAD19:00Washington, D.C. Dulles Intl
$2,067
Air Canada
22 Sept
IAD09:45Washington, D.C. Dulles Intl
31h 35m
2 stops
SYD07:20Sydney Kingsford Smith
4 Oct
SYD10:20Sydney Kingsford Smith
23h 40m
2 stops
IAD19:00Washington, D.C. Dulles Intl
$2,068

Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Sydney

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Sydney flight tickets
Turkish Airlines
4 Nov
IAD14:30Washington, D.C. Dulles Intl
37h 20m
2 stops
SYD19:50Sydney Kingsford Smith
10 Dec
SYD21:45Sydney Kingsford Smith
37h 30m
2 stops
IAD19:15Washington, D.C. Dulles Intl
$2,011
Turkish Airlines
4 Nov
IAD14:30Washington, D.C. Dulles Intl
37h 20m
2 stops
SYD19:50Sydney Kingsford Smith
19 Nov
SYD21:45Sydney Kingsford Smith
54h 00m
2 stops
IAD11:45Washington, D.C. Dulles Intl
$2,015
Turkish Airlines
23 Aug
IAD21:45Washington, D.C. Dulles Intl
31h 25m
2 stops
SYD19:10Sydney Kingsford Smith
14 Oct
SYD22:05Sydney Kingsford Smith
52h 30m
2 stops
IAD11:35Washington, D.C. Dulles Intl
$2,038

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Dulles Intl Airport to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 16 May 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 4/11

14:30-19:50

2 stops37h 20m

Sydney Kingsford Smith

Thu 10/12

21:45-19:15

2 stops37h 30m

$2,011

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 4/11

14:30-19:50

2 stops37h 20m

Sydney Kingsford Smith

Thu 19/11

21:45-11:45

2 stops54h 00m

$2,015

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 23/8

21:45-19:10

2 stops31h 25m

Sydney Kingsford Smith

Wed 14/10

22:05-11:35

2 stops52h 30m

$2,038

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 28/7

15:45-07:20

2 stops25h 35m

Sydney Kingsford Smith

Tue 11/8

09:20-20:24

2 stops25h 04m

$2,045

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 11/11

13:30-19:50

2 stops38h 20m

Sydney Kingsford Smith

Tue 24/11

21:45-19:15

2 stops37h 30m

$2,060

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 22/9

09:45-07:20

2 stops31h 35m

Sydney Kingsford Smith

Sun 4/10

10:20-19:00

2 stops23h 40m

$2,067

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 22/9

09:45-07:20

2 stops31h 35m

Sydney Kingsford Smith

Sun 4/10

10:20-19:00

2 stops23h 40m

$2,068

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 21/9

21:45-19:10

2 stops31h 25m

Sydney Kingsford Smith

Wed 30/9

21:05-19:50

2 stops36h 45m

$2,070

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 3/6

08:18-07:20

2 stops33h 02m

Sydney Kingsford Smith

Tue 16/6

09:20-07:44

2 stops36h 24m

$2,073
Fastest return journey

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 26/8

16:20-07:20

2 stops25h 00m

Sydney Kingsford Smith

Sun 27/9

09:20-19:00

2 stops23h 40m

$2,074

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Sydney?

What is the cheapest month to fly to Sydney?

The month of November is, on average, the cheapest month to fly to Sydney from Washington, D.C. Dulles Intl Airport, with most prices found around $1,452. If you aren’t able to travel to Sydney during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $2,155.

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

You are more likely to see cheaper flights to Sydney from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,264 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Washington, D.C. Dulles Intl Airport for as low as $1,058 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Sydney flights?

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Sydney flight.

How have Washington, D.C. Dulles Intl Airport to Sydney flight prices changed over time?

When to book flights from Washington, D.C. Dulles Intl Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Dulles Intl Airport to Sydney (IAD to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Sydney

Fastest flight time

23h 00m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Sydney takes 23h 00m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Sydney. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Sydney.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Sydney

  • How far is Washington, D.C. Dulles Intl to Sydney Kingsford Smith by plane?

    There are 15665.3 km between Washington, D.C. Dulles Intl and Sydney Kingsford Smith. Flights usually cover this in 23h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Sydney?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Sydney

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Sydney with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,810Free cancellationRating
7.4
9,726 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Manly
Coogee
Leura
Bondi Beach
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Sydney for you.

Can I find flights from Washington, D.C. to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Sydney.

I’m not ready to book a flight from Washington, D.C. to Sydney right now. Can momondo alert me if prices change?

Price alerts on flights to Sydney from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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