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Cheap flights from Sydney to Washington, D.C. from $528

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 10/15. 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 round-trip flights

Multiple Airlines Logo
2:15 pm - 6:48 amSYD-IAD
31h 33m2 stops
Multiple Airlines Logo
6:48 am - 12:30 pmIAD-SYD
37h 42m2 stops
$987Multiple Airlines
Find Deal
vie., oct. 31 - vie., nov. 7
Alaska Airlines Logo
9:40 pm - 6:28 pmSYD-IAD
35h 48m2 stops
Alaska Airlines Logo
6:13 pm - 7:45 pmIAD-SYD
33h 32m2 stops
$1,071Alaska Airlines
Find Deal
jue., oct. 23 - mar., nov. 4
Multiple Airlines Logo
8:40 pm - 6:48 amSYD-IAD
50h 08m2 stops
Multiple Airlines Logo
10:08 pm - 3:30 pmIAD-SYD
73h 22m2 stops
$1,116Multiple Airlines
Find Deal
dom., nov. 2 - dom., nov. 9
Air New Zealand Logo
1:55 pm - 12:15 amSYD-IAD
25h 20m2 stops
Air New Zealand Logo
6:48 am - 8:45 amIAD-SYD
33h 57m2 stops
$1,123Air New Zealand
Find Deal
jue., oct. 30 - sáb., nov. 15
Air China Logo
8:40 pm - 7:30 pmSYD-IAD
37h 50m1 stop
Air China Logo
6:00 pm - 3:30 pmIAD-SYD
53h 30m2 stops
$1,160Air China
Find Deal
jue., oct. 30 - sáb., nov. 15
Air New Zealand Logo
1:55 pm - 12:56 amSYD-IAD
26h 01m2 stops
Air New Zealand Logo
8:30 am - 10:30 amIAD-SYD
34h 00m2 stops
$1,168Air New Zealand
Find Deal
jue., oct. 30 - vie., nov. 14
Air China Logo
8:40 pm - 9:26 pmSYD-IAD
63h 46m2 stops
Air China Logo
6:00 pm - 3:30 pmIAD-SYD
53h 30m2 stops
$1,174Air China
Find Deal
jue., oct. 30 - sáb., nov. 15
United Airlines Logo
11:05 am - 6:44 pmSYD-IAD
22h 39m1 stop
United Airlines Logo
6:48 am - 9:15 amIAD-SYD
58h 27m2 stops
$1,187United Airlines
Find Deal
vie., oct. 31 - vie., nov. 7
United Airlines Logo
12:10 pm - 7:26 pmSYD-IAD
22h 16m1 stop
United Airlines Logo
7:54 pm - 9:05 amIAD-SYD
45h 11m1 stop
$1,188United Airlines
Find Deal
vie., oct. 31 - vie., nov. 7
Hawaiian Airlines Logo
9:40 pm - 6:15 amSYD-IAD
24h 35m2 stops
Hawaiian Airlines Logo
6:55 pm - 7:45 pmIAD-SYD
56h 50m2 stops
$1,234Hawaiian Airlines
Find Deal
dom., dic. 14 - jue., ene. 15

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

Our best ANA deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
ANA
Feb 6
SYD12:25 pmSydney Kingsford Smith
36h 45m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Feb 21
IAD11:05 amWashington, D.C. Dulles Intl
41h 10m
1 stop
SYD8:15 pmSydney Kingsford Smith
$1,361
Find similar
ANA
Feb 18
SYD12:25 pmSydney Kingsford Smith
36h 45m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Feb 22
IAD11:05 amWashington, D.C. Dulles Intl
41h 10m
1 stop
SYD8:15 pmSydney Kingsford Smith
$1,400
Find similar
ANA
Feb 18
SYD12:25 pmSydney Kingsford Smith
36h 45m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Feb 22
IAD11:05 amWashington, D.C. Dulles Intl
31h 25m
1 stop
SYD10:30 amSydney Kingsford Smith
$1,401
Find similar

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

Our best Alaska Airlines deals on Sydney to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Oct 23
SYD9:40 pmSydney Kingsford Smith
35h 48m
2 stops
IAD6:28 pmWashington, D.C. Dulles Intl
Nov 4
IAD6:13 pmWashington, D.C. Dulles Intl
33h 32m
2 stops
SYD7:45 pmSydney Kingsford Smith
$1,071
Find similar
Alaska Airlines
Feb 6
SYD9:40 pmSydney Kingsford Smith
35h 45m
2 stops
IAD5:25 pmWashington, D.C. Dulles Intl
Feb 21
IAD5:51 pmWashington, D.C. Dulles Intl
57h 54m
2 stops
SYD7:45 pmSydney Kingsford Smith
$1,121
Find similar
Alaska Airlines
Oct 30
SYD9:40 pmSydney Kingsford Smith
34h 33m
2 stops
IAD5:13 pmWashington, D.C. Dulles Intl
Nov 16
IAD5:40 pmWashington, D.C. Dulles Intl
34h 05m
3 stops
SYD7:45 pmSydney Kingsford Smith
$1,132
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated septiembre 19, 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

vie. 10/31

2:15 pm-6:48 am

2 stops31h 33m

Washington, D.C. Dulles Intl

vie. 11/7

6:48 am-12:30 pm

2 stops37h 42m

$987

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 10/23

9:40 pm-6:28 pm

2 stops35h 48m

Washington, D.C. Dulles Intl

mar. 11/4

6:13 pm-7:45 pm

2 stops33h 32m

$1,071

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

dom. 11/2

8:40 pm-6:48 am

2 stops50h 08m

Washington, D.C. Dulles Intl

dom. 11/9

10:08 pm-3:30 pm

2 stops73h 22m

$1,116

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 10/30

1:55 pm-12:15 am

2 stops25h 20m

Washington, D.C. Dulles Intl

sáb. 11/15

6:48 am-8:45 am

2 stops33h 57m

$1,123

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 10/30

8:40 pm-7:30 pm

1 stop37h 50m

Washington, D.C. Dulles Intl

sáb. 11/15

6:00 pm-3:30 pm

2 stops53h 30m

$1,160

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 10/30

1:55 pm-12:56 am

2 stops26h 01m

Washington, D.C. Dulles Intl

vie. 11/14

8:30 am-10:30 am

2 stops34h 00m

$1,168

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

jue. 10/30

8:40 pm-9:26 pm

2 stops63h 46m

Washington, D.C. Dulles Intl

sáb. 11/15

6:00 pm-3:30 pm

2 stops53h 30m

$1,174

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

vie. 10/31

11:05 am-6:44 pm

1 stop22h 39m

Washington, D.C. Dulles Intl

vie. 11/7

6:48 am-9:15 am

2 stops58h 27m

$1,187

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

vie. 10/31

12:10 pm-7:26 pm

1 stop22h 16m

Washington, D.C. Dulles Intl

vie. 11/7

7:54 pm-9:05 am

1 stop45h 11m

$1,188

SydneyWashington, D.C.

SYD - IAD

SYDIAD

Sydney Kingsford Smith

dom. 12/14

9:40 pm-6:15 am

2 stops24h 35m

Washington, D.C. Dulles Intl

jue. 1/15

6:55 pm-7:45 pm

2 stops56h 50m

$1,234

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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?

In general, March is the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,014. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,136.

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

Our data shows that Tuesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,101. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Washington, D.C. Dulles Intl Airport for around $2,084.

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

Flying to Washington, D.C. Dulles Intl Airport from Sydney in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,399 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,554 on average. Flights to Washington, D.C. Dulles Intl Airport from Sydney in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Sydney Kingsford Smith to Washington, D.C. Dulles Intl flight route?

Fly from Sydney Kingsford Smith to Washington, D.C. Dulles Intl for the best Sydney Kingsford Smith - Washington, D.C. Dulles Intl flight prices

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 $1,299 when searching weeks out. 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 $1,143 on momondo.

What cabin class options are available on Sydney Kingsford Smith to Washington, D.C. Dulles Intl flights?

There is only 1 cabin class available to choose from on Sydney Kingsford Smith to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

You could potentially save up to 29% 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 round-trip 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.
Search flight deals

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

    The straight-line distance from Sydney Kingsford Smith to Washington, D.C. Dulles Intl is 9734.0 mi. In terms of flight time, this usually takes a little over 22h 16m.

  • 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 are refreshed on a daily basis.

  • 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 travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek 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
United AirlinesPriceFrom $885Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
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Silver Spring
Fredericksburg
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Fairfax
Glen Burnie
Gaithersburg

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Sydney to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Sydney and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Sydney to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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