Cheap flights from Washington, D.C. to Sydney from $731
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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
3 Sep — 10 Sep1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Washington, D.C. to Sydney Kingsford Smith are usually found in August or April, booked 4 days in advance, depart on a Monday or Tuesday and return on a Wednesday
Cheap flight deals from Washington, D.C. to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.
Explore the most affordable flight options available from Washington, D.C. to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2025.
Sat 20/907:00IAD - SYD
2 stops34h 05mMultiple Airlines
Fri 3/1012:10SYD - IAD
2 stops25h 29mMultiple Airlines
Deal found 26/8$1,657
Sun 30/1115:07BWI - SYD
2 stops28h 28mQantas Airways
Wed 10/1214:05SYD - BWI
1 stop23h 12mQantas Airways
Deal found 28/8$1,701
Mon 24/1106:01BWI - SYD
2 stops35h 49mMultiple Airlines
Sun 7/1214:00SYD - BWI
3 stops33h 23mMultiple Airlines
Deal found 28/8$1,709
Mon 3/1105:35BWI - SYD
2 stops35h 10mMultiple Airlines
Sun 16/1111:45SYD - BWI
3 stops35h 38mMultiple Airlines
Deal found 28/8$1,712
Wed 10/1215:20BWI - SYD
1 stop23h 35mQantas Airways
Mon 22/1206:05SYD - BWI
2 stops24h 16mQantas Airways
Deal found 27/8$1,714
Fri 31/1013:27BWI - SYD
1 stop26h 28mQantas Airways
Sat 15/1107:05SYD - BWI
2 stops23h 22mQantas Airways
Deal found 27/8$1,715
Fri 7/1115:23BWI - SYD
1 stop23h 32mQantas Airways
Thu 20/1107:20SYD - BWI
2 stops26h 57mQantas Airways
Deal found 27/8$1,723
Sun 31/806:10IAD - SYD
2 stops34h 45mMultiple Airlines
Sun 14/912:10SYD - IAD
2 stops26h 05mMultiple Airlines
Deal found 26/8$1,724
Tue 11/1115:23BWI - SYD
2 stops39h 02mQantas Airways
Sun 23/1114:05SYD - BWI
1 stop20h 12mQantas Airways
Deal found 27/8$1,740
Mon 3/1106:00IAD - SYD
2 stops56h 55mMultiple Airlines
Sun 16/1114:05SYD - IAD
2 stops26h 06mMultiple Airlines
Deal found 27/8$1,743
Mon 13/1007:50BWI - SYD
3 stops33h 55mMultiple Airlines
Sun 26/1013:55SYD - BWI
2 stops31h 40mMultiple Airlines
Deal found 28/8$1,744
Mon 20/1005:35BWI - SYD
2 stops36h 25mMultiple Airlines
Sun 2/1117:45SYD - BWI
1 stop28h 50mMultiple Airlines
Deal found 27/8$1,747
Best flights from Washington, D.C. to Sydney
Discover carefully curated flight deals from Washington, D.C. to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2025.
Mon 9/215:22BWI - SYD
2 stops28h 53mQantas Airways
Tue 3/314:05SYD - BWI
1 stop20h 06mQantas Airways
Deal found 29/8$1,701
Sun 9/1120:26BWI - SYD
2 stops45h 24mMultiple Airlines
Mon 17/1117:45SYD - BWI
1 stop41h 34mMultiple Airlines
Deal found 27/8$1,764
Sat 1/1119:02DCA - SYD
2 stops26h 28mFiji Airways
Sat 8/1114:30SYD - DCA
2 stops22h 29mFiji Airways
Deal found 27/8$1,836
Tue 11/1122:10IAD - SYD
2 stops42h 35mAir New Zealand
Sun 23/1109:55SYD - IAD
2 stops29h 49mAir New Zealand
Deal found 29/8$1,910
Mon 9/215:22BWI - SYD
2 stops28h 53mQantas Airways
Sun 22/214:05SYD - BWI
1 stop20h 06mQantas Airways
Deal found 27/8$1,701
Tue 17/217:15IAD - SYD
2 stops27h 15mMultiple Airlines
Tue 26/513:15SYD - IAD
2 stops35h 30mMultiple Airlines
Deal found 28/8$1,789
Mon 2/215:22BWI - SYD
2 stops27h 33mQantas Airways
Sun 15/214:05SYD - BWI
1 stop20h 06mQantas Airways
Deal found 27/8$1,701
Sun 2/1105:00IAD - SYD
2 stops34h 45mAir New Zealand
Sat 8/1119:15SYD - IAD
2 stops42h 58mAir New Zealand
Deal found 28/8$1,928
Tue 4/1117:27IAD - SYD
2 stops27h 03mMultiple Airlines
Tue 18/1114:10SYD - IAD
2 stops24h 08mMultiple Airlines
Deal found 27/8$1,847
Fri 31/1013:27BWI - SYD
1 stop26h 28mQantas Airways
Sat 15/1107:05SYD - BWI
2 stops23h 22mQantas Airways
Deal found 27/8$1,715
Tue 11/1122:10IAD - SYD
2 stops42h 35mAir New Zealand
Sat 22/1119:15SYD - IAD
2 stops42h 58mAir New Zealand
Deal found 29/8$1,941
Sat 7/217:15IAD - SYD
2 stops27h 15mMultiple Airlines
Sat 21/214:10SYD - IAD
2 stops24h 02mMultiple Airlines
Deal found 27/8$1,847
Last-minute flights from Washington, D.C. to Sydney
Discover last-minute flight deals from Washington, D.C. to Sydney. Data last updated 29 August 2025 and is based on user searches.
Sun 7/906:00BWI - SYD
2 stops36h 45mAir New Zealand
Wed 17/911:50SYD - BWI
2 stops24h 55mAir New Zealand
Deal found 28/8$11,459
Tue 9/917:40IAD - SYD
2 stops28h 05mMultiple Airlines
Thu 18/913:15SYD - IAD
2 stops23h 37mMultiple Airlines
Deal found 26/8$2,149
Sat 20/907:00IAD - SYD
2 stops34h 05mMultiple Airlines
Fri 3/1012:10SYD - IAD
2 stops25h 29mMultiple Airlines
Deal found 26/8$1,657
Sat 20/917:40IAD - SYD
2 stops28h 05mMultiple Airlines
Sat 4/1013:45SYD - IAD
2 stops23h 03mMultiple Airlines
Deal found 27/8$2,112
Sun 21/913:30IAD - SYD
2 stops39h 30mTurkish Airlines
Thu 2/1020:55SYD - IAD
2 stops36h 50mTurkish Airlines
Deal found 26/8$2,175
Sun 21/906:10IAD - SYD
2 stops34h 55mMultiple Airlines
Sat 27/909:10SYD - IAD
2 stops28h 45mMultiple Airlines
Deal found 28/8$2,200
Tue 23/913:30IAD - SYD
2 stops39h 30mTurkish Airlines
Tue 30/920:55SYD - IAD
2 stops36h 50mTurkish Airlines
Deal found 26/8$2,144
Thu 25/910:45IAD - SYD
2 stops32h 00mAir New Zealand
Fri 10/1008:45SYD - IAD
2 stops28h 21mAir New Zealand
Deal found 28/8$2,040
Fri 26/906:01IAD - SYD
2 stops37h 34mAir New Zealand
Sat 4/1007:45SYD - IAD
2 stops35h 53mAir New Zealand
Deal found 28/8$2,055
Sat 27/917:40IAD - SYD
2 stops38h 30mMultiple Airlines
Sat 11/1014:45SYD - IAD
2 stops23h 06mMultiple Airlines
Deal found 27/8$2,086
Sun 28/908:30IAD - SYD
2 stops33h 15mAir New Zealand
Tue 21/1008:45SYD - IAD
2 stops28h 21mAir New Zealand
Deal found 28/8$1,967
Mon 29/913:30IAD - SYD
2 stops39h 30mTurkish Airlines
Fri 31/1021:45SYD - IAD
2 stops54h 00mTurkish Airlines
Deal found 28/8$2,132
One-way flights from Washington, D.C. to Sydney
Search for one-way flight options from Washington, D.C. to Sydney. Find affordable one-way fares based on user searches. Data last updated 29 August 2025.
Mon 17/1106:00IAD - SYD
2 stops56h 55mMultiple Airlines
Deal found 27/8$731
Thu 23/1006:15IAD - SYD
2 stops34h 50mMultiple Airlines
Deal found 27/8$739
Sat 13/905:45BWI - SYD
3 stops59h 35mMultiple Airlines
Deal found 28/8$763
Mon 20/1018:29BWI - SYD
3 stops54h 11mMultiple Airlines
Deal found 27/8$771
Mon 27/1005:35BWI - SYD
2 stops37h 15mMultiple Airlines
Deal found 28/8$794
Mon 13/1005:35BWI - SYD
2 stops36h 25mMultiple Airlines
Deal found 28/8$796
Sat 13/907:00IAD - SYD
2 stops34h 05mMultiple Airlines
Deal found 28/8$797
Mon 10/1106:00BWI - SYD
2 stops35h 50mMultiple Airlines
Deal found 28/8$799
Fri 5/906:10IAD - SYD
2 stops34h 55mMultiple Airlines
Deal found 28/8$802
Mon 6/1005:35BWI - SYD
2 stops36h 25mMultiple Airlines
Deal found 28/8$808
Fri 12/906:10IAD - SYD
2 stops34h 55mMultiple Airlines
Deal found 28/8$812
Mon 26/120:26BWI - SYD
2 stops45h 24mMultiple Airlines
Deal found 27/8$817
Cheapflights Fare Finder
Customise your flight search to find flights from Washington, D.C. 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 647,157 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Washington, D.C. to Sydney that are best for you.
Fly from
Washington, D.C.
Fly to
Sydney
Route
Depart
Return
Price
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Mon 9/2
15:22-12:15
2 stops28h 53m
Sydney Kingsford Smith
Tue 3/3
14:05-18:11
1 stop20h 06m
$1,701
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Mon 9/2
15:22-12:15
2 stops28h 53m
Sydney Kingsford Smith
Sun 22/2
14:05-18:11
1 stop20h 06m
$1,701
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Mon 2/2
15:22-10:55
2 stops27h 33m
Sydney Kingsford Smith
Sun 15/2
14:05-18:11
1 stop20h 06m
$1,701
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Fri 31/10
13:27-06:55
1 stop26h 28m
Sydney Kingsford Smith
Sat 15/11
07:05-14:27
2 stops23h 22m
$1,715
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Mon 16/2
15:21-06:55
1 stop23h 34m
Sydney Kingsford Smith
Sun 1/3
06:05-13:58
2 stops23h 53m
$1,715
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Fri 31/10
13:27-06:55
1 stop26h 28m
Sydney Kingsford Smith
Tue 11/11
06:05-14:30
2 stops24h 25m
$1,715
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Fri 7/11
15:23-06:55
1 stop23h 32m
Sydney Kingsford Smith
Thu 20/11
07:20-18:17
2 stops26h 57m
$1,723
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Tue 11/11
15:23-22:25
2 stops39h 02m
Sydney Kingsford Smith
Sun 23/11
14:05-18:17
1 stop20h 12m
$1,740
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Sun 1/2
15:22-20:05
2 stops36h 43m
Sydney Kingsford Smith
Wed 11/2
14:05-22:23
1 stop24h 18m
$1,750
BaltimoreSydney
BWI - SYD
BWISYD
Baltimore/Washington
Sun 9/11
20:26-09:50
2 stops45h 24m
Sydney Kingsford Smith
Mon 17/11
17:45-19:19
1 stop41h 34m
$1,764
Flights are sorted by cheapest return flights first.
Deals found on 27/8
Showing 1-10 of 55 results
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Best time to book a flight from Washington, D.C. to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Washington, D.C. with our price prediction graph.
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. to Sydney
How far ahead should I book a flight from Washington, D.C. to Sydney?
Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Sydney. Price data was last updated on 22 August 2025.
Booking 4 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Washington, D.C. to Sydney?
Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $129). Flying from Washington, D.C. to Sydney in October is currently the most expensive (average of $171). 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 WAS to SYD?
Find hourly flight availability from Washington, D.C. 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 29 August 2025.
It’s typically best to fly out from Washington, D.C. to Sydney in the morning. Doing so could potentially save you 28% on the flight price compared to flying in the evening, which is usually more expensive.
How much does it cost for a return flight from Washington, D.C. to Sydney?
What’s the top stopover airport for flights from Washington, D.C. to Sydney?
Share of one-stop return flights from Washington, D.C. to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Los Angeles (LAX) – chosen by Cheapflights users on 50% of one-stop itineraries from Washington, D.C. to Sydney on Cheapflights.
What’s the cheapest stopover airport for flights from Washington, D.C. to Sydney?
Average return fare for one-stop flights from Washington, D.C. to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Dallas (DFW) is the most affordable one-stop option, with an average return flight price of $1,331.
What’s the fastest stopover option from Washington, D.C. to Sydney?
Shortest average travel time for one-stop one-way flights from Washington, D.C. to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 21h 54m.
Which airport typically offers the quickest stopover for flights from Washington, D.C. to Sydney?
Average stopover duration for one-stop one-way flights from Washington, D.C. to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 19m.
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 29 August 2025.
Read reviews from past customers who have flown with American Airlines
from Washington, D.C. to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. 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.?
If you book a flight to Sydney from Washington, D.C., 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. to Kingsford Smith per day from 1 airline.
How long is the flight from Washington, D.C. to Sydney?
Airlines like Qantas Airways and Fiji Airways fly from Washington, D.C. to Sydney in about 26h 28m. The time it takes to get you to your destination can typically vary by up to 2h 25m. The distance between Washington, D.C. and Sydney is about 15704 km. This flight may include one or multiple stops.
What is the cheapest airline to fly from Washington, D.C. to Sydney round-trip?
Flying on United Airlines is currently your cheapest option to Sydney, with prices starting at $2,244.
What are the most popular routes from Washington, D.C. to Sydney?
The most popular flight routes from Washington, D.C. to Sydney are Washington, D.C. Dulles Intl - Sydney Kingsford Smith, Washington, D.C. Reagan-National - Sydney Kingsford Smith and Baltimore/Washington - Sydney Kingsford Smith.
Can I find deals for flights from Washington, D.C. to Sydney that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Sydney.
Can I find deals for business class flights from Washington, D.C. to Sydney?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Sydney?
Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $129). Flying from Washington, D.C. to Sydney in October is currently the most expensive (average of $171). 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.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2025.
Top airline flying from Washington, D.C. to Sydney
Discover the top airline that operate flights from Washington, D.C. 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 647,157 searches. Data last updated 29 August 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Washington, D.C. to Sydney?
When you search for this flight from Washington, D.C. to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Sydney?
Cheapflights helps you find that perfect flight to Sydney from Washington, D.C. by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Washington, D.C. to Sydney with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington, D.C. to Sydney flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Washington, D.C. to Sydney become cheaper?
Yes! Start tracking prices for Washington, D.C. to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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