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Cheap flights from Sydney to Washington, D.C. from $858

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Washington, D.C. departing on 9/3. 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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Cheap return flights

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Delta Logo
14:15 - 20:45
SYD
-
IAD
22h 30m2 stops
Delta Logo
12:40 - 08:30
IAD
-
SYD
27h 50m2 stops
$1,461Delta
Mon, 19 Jan - Mon, 2 Feb
Air Canada Logo
11:20 - 20:54
SYD
-
IAD
25h 34m2 stops
Air Canada Logo
09:45 - 09:35
IAD
-
SYD
31h 50m2 stops
$1,572Air Canada
Thu, 12 Feb - Wed, 18 Feb
Air Canada Logo
11:20 - 20:29
SYD
-
IAD
25h 09m1 stop
Air Canada Logo
09:45 - 09:35
IAD
-
SYD
31h 50m2 stops
$1,579Air Canada
Thu, 12 Feb - Wed, 18 Feb
Air Canada Logo
11:20 - 20:54
SYD
-
IAD
25h 34m2 stops
Air Canada Logo
09:45 - 09:35
IAD
-
SYD
31h 50m2 stops
$1,582Air Canada
Thu, 19 Feb - Thu, 26 Feb
Air Canada Logo
11:20 - 20:54
SYD
-
IAD
25h 34m2 stops
Air Canada Logo
09:45 - 09:35
IAD
-
SYD
31h 50m3 stops
$1,584Air Canada
Thu, 12 Feb - Wed, 18 Feb
Air Canada Logo
11:20 - 20:29
SYD
-
IAD
25h 09m1 stop
Air Canada Logo
22:09 - 09:35
IAD
-
SYD
43h 26m1 stop
$1,587Air Canada
Thu, 12 Feb - Wed, 18 Feb
Air Canada Logo
11:20 - 11:29
SYD
-
IAD
40h 09m3 stops
Air Canada Logo
09:45 - 09:35
IAD
-
SYD
31h 50m3 stops
$1,596Air Canada
Thu, 12 Feb - Wed, 18 Feb
Air Canada Logo
11:20 - 21:25
SYD
-
IAD
50h 05m2 stops
Air Canada Logo
09:45 - 09:35
IAD
-
SYD
31h 50m2 stops
$1,597Air Canada
Mon, 2 Feb - Mon, 9 Feb
Air Canada Logo
11:20 - 21:23
SYD
-
IAD
26h 03m2 stops
Air Canada Logo
16:30 - 09:35
IAD
-
SYD
25h 05m2 stops
$1,630Air Canada
Wed, 18 Feb - Wed, 25 Feb
Air Canada Logo
11:20 - 20:54
SYD
-
IAD
25h 34m2 stops
Air Canada Logo
09:45 - 09:35
IAD
-
SYD
31h 50m3 stops
$1,645Air Canada
Mon, 2 Feb - Mon, 9 Feb

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

Our best Air Canada deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
19 Feb
SYD11:20Sydney Kingsford Smith
25h 34m
2 stops
IAD20:54Washington, D.C. Dulles Intl
26 Feb
IAD09:45Washington, D.C. Dulles Intl
31h 50m
2 stops
SYD09:35Sydney Kingsford Smith
$1,582
Find similar
Air Canada
2 Feb
SYD11:20Sydney Kingsford Smith
50h 05m
2 stops
IAD21:25Washington, D.C. Dulles Intl
9 Feb
IAD09:45Washington, D.C. Dulles Intl
31h 50m
2 stops
SYD09:35Sydney Kingsford Smith
$1,597
Find similar
Air Canada
2 Feb
SYD11:20Sydney Kingsford Smith
25h 34m
2 stops
IAD20:54Washington, D.C. Dulles Intl
9 Feb
IAD09:45Washington, D.C. Dulles Intl
31h 50m
3 stops
SYD09:35Sydney Kingsford Smith
$1,645
Find similar

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

Our best Air New Zealand deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
Air New Zealand
3 Feb
SYD11:45Sydney Kingsford Smith
25h 35m
2 stops
IAD21:20Washington, D.C. Dulles Intl
10 Feb
IAD15:19Washington, D.C. Dulles Intl
25h 26m
2 stops
SYD08:45Sydney Kingsford Smith
$1,629
Find similar
Air New Zealand
18 May
SYD09:55Sydney Kingsford Smith
35h 11m
2 stops
IAD07:06Washington, D.C. Dulles Intl
29 May
IAD17:30Washington, D.C. Dulles Intl
25h 15m
2 stops
SYD08:45Sydney Kingsford Smith
$1,698
Find similar
Air New Zealand
25 Jan
SYD11:45Sydney Kingsford Smith
26h 33m
2 stops
IAD22:18Washington, D.C. Dulles Intl
2 Feb
IAD12:35Washington, D.C. Dulles Intl
28h 10m
2 stops
SYD08:45Sydney Kingsford Smith
$1,851
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Washington, D.C. Dulles Intl Airport 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 6 January 2026.
Use the filters below to find and compare flights from Sydney to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 19/1

14:15-20:45

2 stops22h 30m

Washington, D.C. Dulles Intl

Mon 2/2

12:40-08:30

2 stops27h 50m

$1,461

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 12/2

11:20-20:54

2 stops25h 34m

Washington, D.C. Dulles Intl

Wed 18/2

09:45-09:35

2 stops31h 50m

$1,572

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 12/2

11:20-20:29

1 stop25h 09m

Washington, D.C. Dulles Intl

Wed 18/2

09:45-09:35

2 stops31h 50m

$1,579

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 19/2

11:20-20:54

2 stops25h 34m

Washington, D.C. Dulles Intl

Thu 26/2

09:45-09:35

2 stops31h 50m

$1,582

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 12/2

11:20-20:54

2 stops25h 34m

Washington, D.C. Dulles Intl

Wed 18/2

09:45-09:35

3 stops31h 50m

$1,584

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 12/2

11:20-20:29

1 stop25h 09m

Washington, D.C. Dulles Intl

Wed 18/2

22:09-09:35

1 stop43h 26m

$1,587

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 12/2

11:20-11:29

3 stops40h 09m

Washington, D.C. Dulles Intl

Wed 18/2

09:45-09:35

3 stops31h 50m

$1,596

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 2/2

11:20-21:25

2 stops50h 05m

Washington, D.C. Dulles Intl

Mon 9/2

09:45-09:35

2 stops31h 50m

$1,597

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 18/2

11:20-21:23

2 stops26h 03m

Washington, D.C. Dulles Intl

Wed 25/2

16:30-09:35

2 stops25h 05m

$1,630

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Mon 2/2

11:20-20:54

2 stops25h 34m

Washington, D.C. Dulles Intl

Mon 9/2

09:45-09:35

3 stops31h 50m

$1,645

Flights are sorted by cheapest return flights first.

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

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 Sydney and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Sydney is in March. Flight prices, which tend to average around $1,452, are often lower during this time because this is during the off-season. If you’re not able to fly to Washington, D.C. Dulles Intl Airport in March, then November is your next best option. Flight prices from Sydney to Washington, D.C. Dulles Intl Airport during November average around $1,554.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,778 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Sydney for as low as $1,617 on momondo.

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

You could potentially save up to 6% on your flight if you consider stops on a Sydney to Washington, D.C. Dulles Intl Airport flight.

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

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

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

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

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

Fastest flight time

21h 27m

Direct flights

None
The fastest flight from Sydney to Washington, D.C. Dulles Intl Airport takes 21h 27m
There are no direct flights from Sydney to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Sydney to Washington, D.C. Dulles Intl Airport.
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  • How far is Sydney Kingsford Smith to Washington, D.C. Dulles Intl by plane?

    Sydney Kingsford Smith and Washington, D.C. Dulles Intl are 15665.3 km apart from one another. A reasonable flight in good conditions will take 21h 27m.

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

    Prices for flights from Sydney Kingsford Smith Airport to Washington, D.C. Dulles Intl Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl 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 Sydney to Washington, D.C. Dulles Intl Airport?

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

Compare and see reviews for airlines that fly from Sydney to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free cancellation
Price
American AirlinesPriceFrom $601Free cancellationRating
7.2
11,083 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $834Free cancellationRating
7.5
967 reviews
Search Qantas Airways flights
Virgin AustraliaPriceFrom $1,220Free cancellationRating
7.6
430 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,290Free cancellationRating
7.1
10,597 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,442Free cancellationRating
8.0
565 reviews
Search Air New Zealand flights
United AirlinesPriceFrom $1,582Free cancellationRating
7.4
9,134 reviews
Search United Airlines flights

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
McLean
Winchester
Arlington

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Washington, D.C. from Sydney which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Sydney to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Sydney. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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