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$460+ Cheap flights from District of Columbia to Sydney (SYD)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from District of Columbia to Sydney

Keep the following information in mind while searching for District of Columbia to Sydney flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,081
(Air Canada)

One-way from

$460
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,447
Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.
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From District of Columbia to Sydney Kingsford Smith
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One-way flight from District of Columbia to Sydney Kingsford Smith
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Highest demand for flights based on searches. 22% potential increase in price ($350 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from District of Columbia to Sydney

Cheapest flights from District of Columbia to Sydney
Explore the most affordable flight options available from District of Columbia to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Air Canada deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:05 amDCA - SYD
2 stops30h 30mAir Canada
Tue 11/2511:20 amSYD - DCA
2 stops39h 06mAir Canada
Deal found 10/27$1,138
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:45 amIAD - SYD
3 stops31h 50mAir Canada
Mon 11/2411:20 amSYD - IAD
2 stops40h 03mAir Canada
Deal found 10/28$1,145
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:45 amIAD - SYD
2 stops31h 50mAir Canada
Wed 11/2611:20 amSYD - IAD
2 stops40h 03mAir Canada
Deal found 10/28$1,149
This Air Canada deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:59 pmIAD - SYD
2 stops25h 36mMultiple Airlines
Mon 11/2411:20 amSYD - IAD
2 stops40h 03mMultiple Airlines
Deal found 10/29$1,150
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:44 amIAD - SYD
2 stops32h 16mMultiple Airlines
Tue 12/95:45 pmSYD - IAD
2 stops36h 44mMultiple Airlines
Deal found 10/28$1,169
This Air Canada deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:11 pmIAD - SYD
2 stops43h 24mAir Canada
Sat 11/2211:20 amSYD - IAD
2 stops40h 03mAir Canada
Deal found 10/27$1,188
This Priceline deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:10 pmDCA - SYD
2 stops49h 25mAir Canada
Tue 11/2511:20 amSYD - DCA
2 stops39h 06mAir Canada
Deal found 10/27$1,198
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:20 pmIAD - SYD
2 stops28h 15mAir Canada
Tue 11/2511:20 amSYD - IAD
2 stops25h 34mAir Canada
Deal found 10/28$1,199
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:55 pmDCA - SYD
2 stops28h 40mAir Canada
Mon 11/2411:20 amSYD - DCA
2 stops44h 11mAir Canada
Deal found 10/28$1,199
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:45 amIAD - SYD
3 stops31h 50mAir Canada
Tue 11/2511:20 amSYD - IAD
2 stops40h 03mAir Canada
Deal found 10/28$1,205
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:55 pmDCA - SYD
3 stops28h 40mAir Canada
Mon 11/2411:20 amSYD - DCA
2 stops44h 11mAir Canada
Deal found 10/28$1,205
This Air Canada deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amDCA - SYD
2 stops35h 35mAir Canada
Wed 12/311:20 amSYD - DCA
2 stops39h 01mAir Canada
Deal found 10/27$1,225

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from District of Columbia to Sydney that are best for you.

Fly from

District of Columbia

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 12/3

4:00 pm-9:05 am

2 stops25h 05m

Sydney Kingsford Smith

Wed 12/17

11:20 am-4:26 pm

1 stop21h 06m

$1,263

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 11/14

4:59 pm-9:00 am

1 stop24h 01m

Sydney Kingsford Smith

Tue 11/25

2:05 pm-6:42 pm

1 stop20h 37m

$1,296

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 11/19

4:59 pm-9:00 am

1 stop24h 01m

Sydney Kingsford Smith

Sat 12/6

2:05 pm-9:00 pm

1 stop22h 55m

$1,297

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 1/22

12:35 pm-6:20 am

2 stops25h 45m

Sydney Kingsford Smith

Sun 2/1

2:00 pm-9:19 pm

2 stops23h 19m

$1,318

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 11/11

6:59 pm-9:05 am

1 stop22h 06m

Sydney Kingsford Smith

Wed 12/10

11:50 am-8:42 pm

1 stop24h 52m

$1,338

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 11/20

2:51 pm-9:05 am

2 stops26h 14m

Sydney Kingsford Smith

Fri 11/28

11:50 am-3:58 pm

1 stop20h 08m

$1,364

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 12/5

4:10 pm-9:15 am

1 stop25h 05m

Sydney Kingsford Smith

Sat 12/20

2:00 pm-5:22 am

1 stop31h 22m

$1,376

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 11/20

6:48 am-9:05 am

1 stop34h 17m

Sydney Kingsford Smith

Fri 11/28

11:20 am-6:44 pm

1 stop23h 24m

$1,377

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 1/12

10:05 pm-9:05 am

1 stop43h 00m

Sydney Kingsford Smith

Sat 1/31

11:50 am-4:14 pm

1 stop20h 24m

$1,427

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 1/13

8:40 am-10:55 am

2 stops34h 15m

Sydney Kingsford Smith

Sun 1/25

2:05 pm-6:41 pm

1 stop20h 36m

$1,473

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 38 results
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Best time to book a flight from District of Columbia to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from District of Columbia with our price prediction graph.
Estimated round-trip 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 District of Columbia to Sydney

What is the cheapest month to book a flight from District of Columbia to Sydney?

Currently, August is the cheapest month in which you can book a flight from District of Columbia to Sydney (average of $137). Flying from District of Columbia to Sydney in October is currently the most expensive (average of $839). 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.

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

Find hourly flight availability from District of Columbia to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from District of Columbia to Sydney at noon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from District of Columbia to Sydney?

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their District of Columbia to Sydney flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    For a flight from District of Columbia to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city.

  • How long is the flight from District of Columbia to Sydney?

    Airlines like United Airlines fly from District of Columbia to Sydney in about 25h 05m. The time it takes to get you to your destination can typically vary by up to . The distance from District of Columbia to Sydney is about 9737 mi.

  • Can I find deals for flights from District of Columbia to Sydney that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Sydney?

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

  • Can I find deals for business class flights from District of Columbia to Sydney?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Sydney?

    Currently, August is the cheapest month in which you can book a flight from District of Columbia to Sydney (average of $137). Flying from District of Columbia to Sydney in October is currently the most expensive (average of $839). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 7 airlines flying from District of Columbia to Sydney

Discover the top 7 airlines that operate flights from District of Columbia to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$1,018FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$511Average$1,608FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$787Average$1,268FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$830Average$1,073FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$854Average$1,303FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,289Average$1,786FlexibilityNo cancel feeOn-time78%
ANACheapest$1,370Average$1,586FlexibilityNo cancel feeOn-time80%

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