What’s the cheapest stopover airport for flights from Washington, D.C. Dulles Intl Airport to Sydney?

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $2,592. Find deals

What’s the fastest stopover option from Washington, D.C. Dulles Intl Airport to Sydney?

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 23h 02m. Find deals

Which airport typically offers the quickest stopover for flights from Washington, D.C. Dulles Intl Airport to Sydney?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 02m. Find deals

What’s the top stopover airport for flights from Washington, D.C. Dulles Intl Airport to Sydney?

Los Angeles (LAX) – chosen by Cheapflights users on 63% of one-stop itineraries from Washington, D.C. Dulles Intl Airport to Sydney on Cheapflights.

How long is the flight from Washington, D.C. Dulles Intl Airport to Sydney?

For as low as $2,377, Alaska Airlines can have you in Sydney from Washington, D.C. Dulles Intl Airport in 32h 10m. Airlines will cover a distance of 15670 km.

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

Currently priced at $1,791, United Airlines will fly you from Washington, D.C. Dulles Intl Airport to Sydney and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Users have found that United Airlines is 20% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from IAD to SYD?

When flying from Washington, D.C. Dulles Intl Airport to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Sydney from Washington, D.C. Dulles Intl?

If you book a flight to Sydney from Washington, D.C. Dulles Intl, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Washington, D.C. Dulles Intl to Kingsford Smith per day from 1 airline.

Can I find deals for flights from Dulles Intl to Sydney that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Sydney.

Can I find deals for business class flights from Dulles Intl to Sydney?

Yes. Cheapflights offers flight deals from Dulles Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$722+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Sydney

Q: How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Sydney?

Airfare is below average for this route at the moment. Washington, D.C. Dulles Intl Airport to Sydney flights typically cost between $2,876 and $1,586 in June. The cheapest return flight price found within the last 3 days was $1,924 on Multiple Airlines (3 June-10 June). Find deals

Cheap flight deals from Dulles Intl to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Dulles Intl to Sydney
Explore the most affordable flight options available from Dulles Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Wed 3/611:07

IAD

SYD

2 stops29h 58m

Multiple Airlines

Wed 10/612:00

SYD

IAD

2 stops25h 17m

Multiple Airlines

Deal found 4/5$1,924

Wed 24/615:45

IAD

SYD

2 stops25h 35m

Air Canada

Wed 15/709:20

SYD

IAD

2 stops23h 41m

Air Canada

Deal found 7/5$1,957

Thu 3/1213:30

IAD

SYD

2 stops38h 20m

Turkish Airlines

Thu 24/1221:45

SYD

IAD

2 stops37h 30m

Turkish Airlines

Deal found 7/5$2,025

Sun 29/1113:30

IAD

SYD

2 stops38h 20m

Turkish Airlines

Fri 25/1221:45

SYD

IAD

2 stops37h 30m

Turkish Airlines

Deal found 7/5$2,050

Wed 11/1113:30

IAD

SYD

2 stops38h 20m

Turkish Airlines

Sun 7/221:45

SYD

IAD

2 stops54h 00m

Turkish Airlines

Deal found 3/5$2,051

Wed 20/509:45

IAD

SYD

2 stops31h 35m

Air Canada

Wed 17/609:20

SYD

IAD

2 stops25h 09m

Air Canada

Deal found 6/5$2,053

Mon 3/809:55

IAD

SYD

2 stops31h 25m

Air Canada

Sun 16/809:20

SYD

IAD

2 stops44h 04m

Air Canada

Deal found 6/5$2,059

Mon 18/509:55

IAD

SYD

2 stops31h 25m

Air Canada

Tue 26/509:20

SYD

IAD

1 stop35h 02m

Air Canada

Deal found 7/5$2,061

Sun 15/1113:30

IAD

SYD

2 stops38h 20m

Turkish Airlines

Sun 29/1121:45

SYD

IAD

2 stops54h 00m

Turkish Airlines

Deal found 3/5$2,062

Tue 1/1213:30

IAD

SYD

2 stops38h 20m

Turkish Airlines

Thu 24/1221:45

SYD

IAD

2 stops37h 30m

Turkish Airlines

Deal found 7/5$2,064

Find flight deals from Dulles Intl to Sydney

Round-trip from	$1,924
One-way from	$722
Popular in	December
Cheapest in	November
Average price	$2,232

3/6-10/6
4 total stops
55h 15m total
Washington, D.C. to Sydney

Search Deals

25/8
3 total stops
44h 59m total
Washington, D.C. to Sydney

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($304 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($109 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sydney that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 12/8

18:14-18:50

3 stops34h 36m

Sydney Kingsford Smith

Tue 18/8

20:45-06:39

2 stops23h 54m

$2,330

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 30/7

18:14-18:50

2 stops34h 36m

Sydney Kingsford Smith

Tue 11/8

20:45-17:11

2 stops34h 26m

$2,348

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 28/10

07:00-06:10

3 stops32h 10m

Sydney Kingsford Smith

Wed 11/11

21:25-16:26

3 stops35h 01m

$2,377

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 28/5

17:35-18:50

3 stops35h 15m

Sydney Kingsford Smith

Sun 7/6

20:45-16:35

2 stops33h 50m

$2,427

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 22/9

17:54-18:50

2 stops34h 56m

Sydney Kingsford Smith

Sun 4/10

20:45-16:33

3 stops34h 48m

$2,445

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 23/10

07:00-07:30

2 stops33h 30m

Sydney Kingsford Smith

Wed 28/10

21:25-16:33

2 stops34h 08m

$2,495

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 26/7

14:51-06:55

1 stop26h 04m

Sydney Kingsford Smith

Wed 5/8

10:20-19:11

1 stop22h 51m

$2,500

Fastest return journey

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 26/7

17:48-07:00

1 stop23h 12m

Sydney Kingsford Smith

Sun 16/8

10:20-16:18

1 stop19h 58m

$2,501

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 27/7

14:51-06:55

1 stop26h 04m

Sydney Kingsford Smith

Mon 24/8

09:30-16:20

1 stop20h 50m

$2,501

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 22/8

20:30-07:00

1 stop44h 30m

Sydney Kingsford Smith

Tue 1/9

10:20-01:17

1 stop28h 57m

$2,522

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Dulles Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Dulles Intl with our price prediction graph.

IAD-SYD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Sydney

Prices

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Sydney is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sydney?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney (average of $2,086). Flying from Washington, D.C. Dulles Intl Airport to Sydney in December is currently the most expensive (average of $3,119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Sydney?

Reviews of airlines servicing Sydney

See what other customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,690 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

United Airlines

7.4

Good

9,690 reviews

United Airlines

7.4

Good

9,690 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

What airport do you fly into for flights to Sydney from Washington, D.C. Dulles Intl?
If you book a flight to Sydney from Washington, D.C. Dulles Intl, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Washington, D.C. Dulles Intl to Kingsford Smith per day from 1 airline.
How long is the flight from Washington, D.C. Dulles Intl Airport to Sydney?
For as low as $2,377, Alaska Airlines can have you in Sydney from Washington, D.C. Dulles Intl Airport in 32h 10m. Airlines will cover a distance of 15670 km.
What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Sydney round-trip?
Currently priced at $1,791, United Airlines will fly you from Washington, D.C. Dulles Intl Airport to Sydney and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Users have found that United Airlines is 20% cheaper than the other options available to this destination.
Can I find deals for flights from Dulles Intl to Sydney that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Sydney.
Can I find deals for business class flights from Dulles Intl to Sydney?
Yes. Cheapflights offers flight deals from Dulles Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sydney?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney (average of $2,086). Flying from Washington, D.C. Dulles Intl Airport to Sydney in December is currently the most expensive (average of $3,119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Parramatta

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Alternative routes for Dulles Intl to Sydney

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Dulles Intl to Coolangatta flights

Top airline flying from Dulles Intl to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,791	Average$2,638	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Dulles Intl to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dulles Intl to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dulles Intl to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Dulles Intl today and book when prices fit your budget.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from $722

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Dulles Intl to Sydney

Cheapest flights from Dulles Intl to SydneyExplore the most affordable flight options available from Dulles Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Explore the most affordable flight options available from Dulles Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Best flights from Dulles Intl to SydneyDiscover carefully curated flight deals from Dulles Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 May 2026.

Discover carefully curated flight deals from Dulles Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 May 2026.

Last-minute flights from Dulles Intl to SydneyDiscover last-minute flight deals from Dulles Intl to Sydney. Data last updated 7 May 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Sydney. Data last updated 7 May 2026 and is based on user searches.

One-way flights from Dulles Intl to SydneySearch for one-way flight options from Dulles Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 7 May 2026.

Search for one-way flight options from Dulles Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 7 May 2026.

Find flight deals from Dulles Intl to Sydney

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sydney that are best for you.

Best time to book a flight from Dulles Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Sydney

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

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sydney?

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Sydney?

What’s the top stopover airport for flights from Washington, D.C. Dulles Intl Airport to Sydney?

What’s the cheapest stopover airport for flights from Washington, D.C. Dulles Intl Airport to Sydney?

What’s the fastest stopover option from Washington, D.C. Dulles Intl Airport to Sydney?

Which airport typically offers the quickest stopover for flights from Washington, D.C. Dulles Intl Airport to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 7 May 2026.

See what other customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Washington, D.C. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to Sydney?

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

Can I find deals for flights from Dulles Intl to Sydney that include hotel bookings?

How can I find direct flights from Dulles Intl to Sydney?

Can I find deals for business class flights from Dulles Intl to Sydney?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sydney?

Travelling to a place near Sydney?

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Alternative routes for Dulles Intl to Sydney

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Complete your trip

Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to New South Wales

Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from Dulles Intl to Sydney by cabin class

Find flights from Dulles Intl to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dulles Intl and Sydney flights

Browse other Dulles Intl and Sydney flight options. Last updated on 7 May 2026.

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Top airline flying from Dulles Intl to Sydney

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How does Cheapflights help users find flights from Dulles Intl to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Sydney?

Can Cheapflights find flights from Dulles Intl to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Dulles Intl to Sydney become cheaper?

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Cheapest flights from Dulles Intl to Sydney
Explore the most affordable flight options available from Dulles Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Best flights from Dulles Intl to Sydney
Discover carefully curated flight deals from Dulles Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 May 2026.

Last-minute flights from Dulles Intl to Sydney
Discover last-minute flight deals from Dulles Intl to Sydney. Data last updated 7 May 2026 and is based on user searches.

One-way flights from Dulles Intl to Sydney
Search for one-way flight options from Dulles Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 7 May 2026.