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Cheap flights from Sydney to Washington, D.C. from $724

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 22/10. 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

Air New Zealand Logo
08:55 - 23:51SYD-IAD
28h 56m2 stops
Air New Zealand Logo
16:10 - 10:30IAD-SYD
27h 20m2 stops
$1,790Air New Zealand
Find Deal
Wed, 1 Oct - Wed, 29 Oct
Air New Zealand Logo
08:55 - 00:33SYD-IAD
29h 38m2 stops
Air New Zealand Logo
10:45 - 10:35IAD-SYD
32h 50m2 stops
$1,808Air New Zealand
Find Deal
Thu, 2 Oct - Thu, 23 Oct
Alaska Airlines Logo
21:40 - 17:13SYD-IAD
34h 33m2 stops
Alaska Airlines Logo
18:13 - 19:45IAD-SYD
33h 32m2 stops
$1,819Alaska Airlines
Find Deal
Thu, 30 Oct - Fri, 14 Nov
Air Canada Logo
11:20 - 20:54SYD-IAD
25h 34m2 stops
Air Canada Logo
09:45 - 09:35IAD-SYD
31h 50m3 stops
$1,981Air Canada
Find Deal
Tue, 4 Nov - Tue, 11 Nov
Air Canada Logo
10:20 - 20:59SYD-IAD
25h 39m2 stops
Air Canada Logo
09:45 - 09:35IAD-SYD
31h 50m2 stops
$2,078Air Canada
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Thu, 30 Oct - Fri, 14 Nov
United Airlines Logo
11:50 - 21:23SYD-IAD
25h 33m2 stops
United Airlines Logo
12:35 - 09:05IAD-SYD
28h 30m1 stop
$2,293United Airlines
Find Deal
Tue, 4 Nov - Tue, 11 Nov
United Airlines Logo
12:10 - 16:27SYD-IAD
20h 17m1 stop
United Airlines Logo
15:25 - 09:15IAD-SYD
25h 50m1 stop
$2,522United Airlines
Find Deal
Tue, 4 Nov - Tue, 11 Nov
American Airlines Logo
09:10 - 10:57SYD-IAD
39h 47m2 stops
American Airlines Logo
06:45 - 06:55IAD-SYD
33h 10m1 stop
$2,782American Airlines
Find Deal
Wed, 24 Sep - Wed, 8 Oct
American Airlines Logo
09:10 - 10:57SYD-IAD
39h 47m2 stops
American Airlines Logo
06:45 - 06:55IAD-SYD
33h 10m1 stop
$2,784American Airlines
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Wed, 24 Sep - Wed, 8 Oct
Virgin Australia Logo
10:20 - 16:25SYD-IAD
20h 05m1 stop
Virgin Australia Logo
19:22 - 08:00IAD-SYD
21h 38m1 stop
$3,048Virgin Australia
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Thu, 2 Oct - Thu, 23 Oct

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
1 Oct
SYD08:55Sydney Kingsford Smith
28h 56m
2 stops
IAD23:51Washington, D.C. Dulles Intl
29 Oct
IAD16:10Washington, D.C. Dulles Intl
27h 20m
2 stops
SYD10:30Sydney Kingsford Smith
$1,790
Find similar
Air New Zealand
2 Oct
SYD08:55Sydney Kingsford Smith
29h 38m
2 stops
IAD00:33Washington, D.C. Dulles Intl
23 Oct
IAD10:45Washington, D.C. Dulles Intl
32h 50m
2 stops
SYD10:35Sydney Kingsford Smith
$1,808
Find similar
Air New Zealand
8 Oct
SYD08:45Sydney Kingsford Smith
28h 21m
2 stops
IAD22:06Washington, D.C. Dulles Intl
16 Oct
IAD10:45Washington, D.C. Dulles Intl
31h 00m
2 stops
SYD08:45Sydney Kingsford Smith
$2,450
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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
4 Nov
SYD11:20Sydney Kingsford Smith
25h 34m
2 stops
IAD20:54Washington, D.C. Dulles Intl
11 Nov
IAD09:45Washington, D.C. Dulles Intl
31h 50m
3 stops
SYD09:35Sydney Kingsford Smith
$1,981
Find similar
Air Canada
30 Oct
SYD10:20Sydney Kingsford Smith
25h 39m
2 stops
IAD20:59Washington, D.C. Dulles Intl
14 Nov
IAD09:45Washington, D.C. Dulles Intl
31h 50m
2 stops
SYD09:35Sydney Kingsford Smith
$2,078
Find similar
Air Canada
30 Oct
SYD10:20Sydney Kingsford Smith
25h 39m
2 stops
IAD20:59Washington, D.C. Dulles Intl
14 Nov
IAD09:45Washington, D.C. Dulles Intl
31h 50m
3 stops
SYD09:35Sydney Kingsford Smith
$2,125
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 21 September 2025.
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

Wed 1/10

08:55-23:51

2 stops28h 56m

Washington, D.C. Dulles Intl

Wed 29/10

16:10-10:30

2 stops27h 20m

$1,790

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 2/10

08:55-00:33

2 stops29h 38m

Washington, D.C. Dulles Intl

Thu 23/10

10:45-10:35

2 stops32h 50m

$1,808

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 30/10

21:40-17:13

2 stops34h 33m

Washington, D.C. Dulles Intl

Fri 14/11

18:13-19:45

2 stops33h 32m

$1,819

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 4/11

11:20-20:54

2 stops25h 34m

Washington, D.C. Dulles Intl

Tue 11/11

09:45-09:35

3 stops31h 50m

$1,981

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 30/10

10:20-20:59

2 stops25h 39m

Washington, D.C. Dulles Intl

Fri 14/11

09:45-09:35

2 stops31h 50m

$2,078

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 4/11

11:50-21:23

2 stops25h 33m

Washington, D.C. Dulles Intl

Tue 11/11

12:35-09:05

1 stop28h 30m

$2,293

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Tue 4/11

12:10-16:27

1 stop20h 17m

Washington, D.C. Dulles Intl

Tue 11/11

15:25-09:15

1 stop25h 50m

$2,522

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 24/9

09:10-10:57

2 stops39h 47m

Washington, D.C. Dulles Intl

Wed 8/10

06:45-06:55

1 stop33h 10m

$2,782

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Wed 24/9

09:10-10:57

2 stops39h 47m

Washington, D.C. Dulles Intl

Wed 8/10

06:45-06:55

1 stop33h 10m

$2,784

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

Thu 2/10

10:20-16:25

1 stop20h 05m

Washington, D.C. Dulles Intl

Thu 23/10

19:22-08:00

1 stop21h 38m

$3,048

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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 $1,537, 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 August is your next best option. Flight prices from Sydney to Washington, D.C. Dulles Intl Airport during August average around $1,722.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Friday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Sydney. The lowest ticket price found for a Friday departure recently was $2,012. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Saturday is $2,214.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the morning when flights can be purchased for as low as $2,081. Flights to Washington, D.C. Dulles Intl Airport are more costly at midday, with an average ticket price of $2,295. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,970 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 $1,732 on momondo.

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

You could potentially save up to 12% 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?

As of September 2025, prices for Sydney to Washington, D.C. Dulles Intl Airport flights are approximately 46% cheaper when compared to flights at the same time last year.

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

Direct flights

None
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 20h 05m.

  • 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 $621Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $1,274Free cancellationRating
7.5
907 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $1,277Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,504Free cancellationRating
8.0
506 reviews
Search Air New Zealand flights
United AirlinesPriceFrom $1,731Free cancellationRating
7.4
8,923 reviews
Search United Airlines flights
ANAPriceFrom $1,869Free cancellationRating
8.4
965 reviews
Search ANA flights
Virgin AustraliaPriceFrom $1,987Free cancellationRating
7.5
416 reviews
Search Virgin Australia 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
Linthicum Heights
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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