Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $1,018
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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
10 Jan — 17 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Washington, D.C. Dulles Intl are usually found in November or March, booked 78 days in advance, depart on a Friday or Tuesday and return on a Tuesday
Cheap flight deals from Sydney to Dulles Intl
Enter your travel dates to find the best prices.
Cheapest flights from Sydney to Dulles Intl
Explore the most affordable flight options available from Sydney to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 December 2025.
Thu 11/1212:10SYD - IAD
2 stops22h 58mUnited Airlines
Mon 19/118:45IAD - SYD
1 stop22h 20mUnited Airlines
Deal found 8/12$1,779
Sat 27/1214:15SYD - IAD
2 stops37h 58mDelta
Sat 10/106:00IAD - SYD
2 stops34h 30mDelta
Deal found 8/12$1,930
Mon 29/1220:40SYD - IAD
1 stop37h 50mAir China
Tue 6/122:00IAD - SYD
1 stop49h 30mAir China
Deal found 10/12$1,976
Thu 11/1210:40SYD - IAD
2 stops22h 20mDelta
Mon 19/112:32IAD - SYD
2 stops27h 58mDelta
Deal found 8/12$2,152
Wed 31/1211:50SYD - IAD
1 stop39h 38mUnited Airlines
Wed 14/118:00IAD - SYD
1 stop23h 05mUnited Airlines
Deal found 10/12$2,221
Sat 27/1214:00SYD - IAD
1 stop23h 23mUnited Airlines
Sat 10/119:45IAD - SYD
1 stop42h 35mUnited Airlines
Deal found 8/12$2,300
Sat 27/1214:00SYD - IAD
1 stop21h 18mUnited Airlines
Fri 9/119:45IAD - SYD
1 stop42h 35mUnited Airlines
Deal found 9/12$2,370
Mon 29/1211:20SYD - IAD
1 stop21h 02mUnited Airlines
Tue 6/116:11IAD - SYD
2 stops24h 54mUnited Airlines
Deal found 10/12$2,668
Wed 24/1211:20SYD - IAD
1 stop21h 02mUnited Airlines
Wed 31/1218:00IAD - SYD
1 stop23h 05mUnited Airlines
Deal found 7/12$2,670
Thu 25/1210:40SYD - IAD
2 stops28h 12mDelta
Sun 4/112:32IAD - SYD
2 stops26h 18mDelta
Deal found 7/12$2,671
Sat 20/1211:50SYD - IAD
1 stop27h 59mUnited Airlines
Thu 15/108:25IAD - SYD
1 stop32h 50mUnited Airlines
Deal found 8/12$2,692
Best flights from Sydney to Dulles Intl
Discover carefully curated flight deals from Sydney to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 December 2025.
Mon 12/111:20SYD - IAD
2 stops25h 29mUnited Airlines
Mon 26/116:10IAD - SYD
1 stop22h 10mUnited Airlines
Deal found 9/12$1,776
Mon 26/114:15SYD - IAD
2 stops24h 51mDelta
Mon 9/215:42IAD - SYD
2 stops24h 48mDelta
Deal found 9/12$1,778
Sun 18/111:20SYD - IAD
2 stops44h 53mAir Canada
Sat 31/122:06IAD - SYD
2 stops43h 29mAir Canada
Deal found 7/12$1,832
Mon 12/120:40SYD - IAD
1 stop37h 50mMultiple Airlines
Fri 23/122:20IAD - SYD
2 stops45h 40mMultiple Airlines
Deal found 9/12$1,860
Fri 23/121:40SYD - IAD
3 stops35h 24mAlaska Airlines
Fri 30/117:26IAD - SYD
3 stops34h 19mAlaska Airlines
Deal found 8/12$2,280
Sun 18/112:10SYD - IAD
1 stop20h 35mUnited Airlines
Sat 31/119:45IAD - SYD
1 stop42h 35mUnited Airlines
Deal found 8/12$1,853
Sat 27/1214:15SYD - IAD
2 stops37h 58mDelta
Sat 10/106:00IAD - SYD
2 stops34h 30mDelta
Deal found 8/12$1,930
Fri 23/111:20SYD - IAD
2 stops44h 53mAir Canada
Fri 30/117:16IAD - SYD
2 stops48h 19mAir Canada
Deal found 8/12$1,964
Mon 12/114:15SYD - IAD
2 stops25h 42mDelta
Mon 26/112:40IAD - SYD
2 stops27h 50mDelta
Deal found 9/12$2,148
Last-minute flights from Sydney to Dulles Intl
Discover last-minute flight deals from Sydney to Dulles Intl. Data last updated 11 December 2025 and is based on user searches.
Fri 19/1212:10SYD - IAD
1 stop24h 45mUnited Airlines
Sat 27/1206:30IAD - SYD
1 stop31h 50mUnited Airlines
Deal found 8/12$3,452
Sat 20/1211:50SYD - IAD
1 stop27h 59mUnited Airlines
Thu 15/108:25IAD - SYD
1 stop32h 50mUnited Airlines
Deal found 8/12$2,692
Sat 20/1221:40SYD - IAD
3 stops35h 41mAlaska Airlines
Thu 15/117:26IAD - SYD
3 stops34h 19mAlaska Airlines
Deal found 8/12$3,235
Sat 20/1221:40SYD - IAD
3 stops35h 41mMultiple Airlines
Thu 15/117:26IAD - SYD
3 stops34h 19mMultiple Airlines
Deal found 10/12$3,309
One-way flights from Sydney to Dulles Intl
Search for one-way flight options from Sydney to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 11 December 2025.
Thu 5/217:00SYD - IAD
3 stops32h 55mMultiple Airlines
Deal found 8/12$1,018
Thu 5/220:40SYD - IAD
1 stop37h 50mAir China
Deal found 8/12$1,027
Fri 23/115:55SYD - IAD
3 stops40h 31mMultiple Airlines
Deal found 8/12$1,047
Fri 16/121:30SYD - IAD
3 stops54h 13mMultiple Airlines
Deal found 8/12$1,068
Thu 5/211:45SYD - IAD
2 stops25h 09mAir New Zealand
Deal found 8/12$1,072
Thu 22/120:40SYD - IAD
1 stop37h 50mAir China
Deal found 8/12$1,095
Sun 1/320:05SYD - IAD
3 stops53h 00mMultiple Airlines
Deal found 8/12$1,096
Sat 28/220:05SYD - IAD
3 stops53h 00mMultiple Airlines
Deal found 8/12$1,102
Fri 27/206:00SYD - IAD
3 stops51h 27mMultiple Airlines
Deal found 8/12$1,137
Fri 23/111:45SYD - IAD
2 stops24h 50mAir New Zealand
Deal found 8/12$1,151
Fri 27/211:45SYD - IAD
2 stops24h 56mAir New Zealand
Deal found 8/12$1,152
Find flight deals from Sydney to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Dulles Intl (IAD). 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 11 December 2025.
Customise your flight search to find flights from Sydney to Dulles Intl 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 11 December 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
Sydney
Fly to
Dulles Intl
Route
Depart
Return
Price
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Mon 12/1
11:20-20:49
2 stops25h 29m
Washington, D.C. Dulles Intl
Mon 26/1
16:10-06:20
1 stop22h 10m
$1,776
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Mon 26/1
14:15-23:06
2 stops24h 51m
Washington, D.C. Dulles Intl
Mon 9/2
15:42-08:30
2 stops24h 48m
$1,778
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Sun 18/1
11:20-16:13
2 stops44h 53m
Washington, D.C. Dulles Intl
Sat 31/1
22:06-09:35
2 stops43h 29m
$1,832
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Sun 18/1
12:10-16:45
1 stop20h 35m
Washington, D.C. Dulles Intl
Sat 31/1
19:45-06:20
1 stop42h 35m
$1,853
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Mon 12/1
20:40-18:30
1 stop37h 50m
Washington, D.C. Dulles Intl
Fri 23/1
22:20-12:00
2 stops45h 40m
$1,860
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Sat 27/12
14:15-12:13
2 stops37h 58m
Washington, D.C. Dulles Intl
Sat 10/1
06:00-08:30
2 stops34h 30m
$1,930
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Fri 23/1
11:20-16:13
2 stops44h 53m
Washington, D.C. Dulles Intl
Fri 30/1
17:16-09:35
2 stops48h 19m
$1,964
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Mon 12/1
14:15-23:57
2 stops25h 42m
Washington, D.C. Dulles Intl
Mon 26/1
12:40-08:30
2 stops27h 50m
$2,148
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Fri 23/1
21:40-17:04
3 stops35h 24m
Washington, D.C. Dulles Intl
Fri 30/1
17:26-19:45
3 stops34h 19m
$2,280
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Fri 23/1
15:55-16:26
3 stops40h 31m
$1,047
Flights are sorted by cheapest return flights first.
Deals found on 8/12
Showing 1-10 of 21 results
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Best time to book a flight from Sydney to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sydney 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 Sydney to Washington, D.C. Dulles Intl Airport
Prices
More
How far ahead should I book a flight from Sydney to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a return flight from Sydney to Dulles Intl. Price data was last updated on 5 December 2025.
To ensure you get the cheapest price possible for a flight from Sydney to Washington, D.C. Dulles Intl Airport, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Sydney to Washington, D.C. Dulles Intl Airport?
Currently, April is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $617). Flying from Sydney to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $1,585). 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 SYD to IAD?
Find hourly flight availability from Sydney to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 December 2025.
It’s typically best to fly out from Sydney to Washington, D.C. Dulles Intl Airport in the morning. Doing so could potentially save you 9% on the flight price compared to flying at midday, which is usually more expensive.
How much does it cost for a return flight from Sydney to Washington, D.C. Dulles Intl Airport?
What’s the top stopover airport for flights from Sydney to Washington, D.C. Dulles Intl Airport?
Share of one-stop return flights from Sydney to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
San Francisco (SFO) – chosen by Cheapflights users on 48% of one-stop itineraries from Sydney to Washington, D.C. Dulles Intl Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Sydney to Washington, D.C. Dulles Intl Airport?
Average return fare for one-stop flights from Sydney to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Auckland (AKL) is the most affordable one-stop option, with an average return flight price of $1,278.
What’s the fastest stopover option from Sydney to Washington, D.C. Dulles Intl Airport?
Shortest average travel time for one-stop one-way flights from Sydney to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Auckland (AKL) have the shortest average one-way travel time for one-stop routes: 17h 55m.
Which airport typically offers the quickest stopover for flights from Sydney to Washington, D.C. Dulles Intl Airport?
Average stopover duration for one-stop one-way flights from Sydney to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Auckland (AKL) offer the fastest connection on this route, with an average stopover time of 1h 50m.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 11 December 2025.
Read reviews from past customers who have flown with Air New Zealand, Virgin Australia, andQantas Airways
from Sydney to Washington, D.C. Dulles Intl Airport. 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.
Overall good experience with united . I fly united most part so nothing out of obvious i guess
Related info for your journey
Find useful and relevant information for your journey from Sydney to Dulles Intl. 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 from for flights from Sydney to Washington, D.C. Dulles Intl?
Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Washington, D.C. Dulles Intl. 6 airlines have flights from Kingsford Smith to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Sydney Kingsford Smith to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.
How long is the flight from Sydney to Washington, D.C. Dulles Intl Airport?
Departing from Sydney to Washington, D.C. Dulles Intl Airport will take you 24h 51m. The distance from Sydney to Washington, D.C. Dulles Intl Airport is about 15670 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Sydney to Washington, D.C. Dulles Intl Airport round-trip?
Our cheapest airline available from Sydney to Washington, D.C. Dulles Intl Airport is American Airlines. Our recent data shows that you can find tickets from as low as $605 on this airline. Additional options worth looking into are Qantas Airways and Virgin Australia, starting at $839 and $1,228 round-trip. American Airlines is currently priced 67% below the average price you’ll pay for this route.
Can I find deals for business class flights from Sydney to Dulles Intl?
Yes. Cheapflights offers flight deals from Sydney to Dulles Intl 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 Sydney to Washington, D.C. Dulles Intl Airport?
Currently, April is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $617). Flying from Sydney to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $1,585). 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.
Travelling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Linthicum Heights
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Fly from Sydney to Dulles Intl on these airlines
Choose from the following airlines for your flight from Sydney to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 11 December 2025.
Discover the top 6 airlines that operate flights from Sydney to Dulles Intl. 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 11 December 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 Sydney to Dulles Intl?
Cheapflights makes it easy to find Sydney to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Sydney to Dulles Intl?
Cheapflights helps you find that perfect flight to Dulles Intl from Sydney 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 Sydney to Dulles Intl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Dulles Intl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney to Dulles Intl become cheaper?
Not ready to book yet? You can track prices for flights from Sydney to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.
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