Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $968
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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
11 Dec — 18 Dec1
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 March or September, booked 78 days in advance, depart on a Friday or Tuesday and return on a Tuesday
Find 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 November 2025.
Thu 27/1109:55SYD - IAD
2 stops27h 30mAir New Zealand
Fri 5/1215:25IAD - SYD
2 stops29h 15mAir New Zealand
Deal found 8/11$1,590
Sat 6/1213:55SYD - IAD
2 stops31h 32mAir New Zealand
Sat 13/1209:00IAD - SYD
2 stops33h 30mAir New Zealand
Deal found 8/11$1,752
Fri 28/1111:45SYD - IAD
2 stops26h 27mAir New Zealand
Sat 6/1215:23IAD - SYD
2 stops29h 17mAir New Zealand
Deal found 9/11$1,815
Thu 11/1221:40SYD - IAD
3 stops34h 56mAlaska Airlines
Tue 10/217:26IAD - SYD
3 stops34h 19mAlaska Airlines
Deal found 9/11$1,904
Thu 4/1221:40SYD - IAD
2 stops34h 56mAlaska Airlines
Sat 10/118:04IAD - SYD
2 stops33h 41mAlaska Airlines
Deal found 9/11$1,912
Sat 6/1221:40SYD - IAD
2 stops48h 26mHawaiian Airlines
Tue 16/1207:34IAD - SYD
2 stops44h 11mHawaiian Airlines
Deal found 7/11$1,925
Sat 6/1221:40SYD - IAD
2 stops48h 26mAlaska Airlines
Tue 6/118:43IAD - SYD
2 stops33h 02mAlaska Airlines
Deal found 9/11$1,933
Sat 6/1221:40SYD - IAD
3 stops35h 50mAlaska Airlines
Tue 16/1217:37IAD - SYD
3 stops34h 08mAlaska Airlines
Deal found 7/11$1,941
Tue 11/1121:40SYD - IAD
2 stops35h 00mAlaska Airlines
Sun 16/1118:13IAD - SYD
2 stops33h 32mAlaska Airlines
Deal found 9/11$1,961
Sun 7/1221:40SYD - IAD
2 stops48h 26mAlaska Airlines
Tue 6/107:33IAD - SYD
2 stops44h 12mAlaska Airlines
Deal found 9/11$1,991
Sun 7/1221:40SYD - IAD
2 stops34h 56mAlaska Airlines
Tue 16/1217:37IAD - SYD
3 stops34h 08mAlaska Airlines
Deal found 7/11$2,000
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 November 2025.
Wed 10/1211:45SYD - IAD
2 stops25h 10mAir New Zealand
Sun 1/312:50IAD - SYD
2 stops29h 40mAir New Zealand
Deal found 10/11$1,740
Fri 5/1221:40SYD - IAD
2 stops34h 56mAlaska Airlines
Tue 6/118:43IAD - SYD
2 stops33h 02mAlaska Airlines
Deal found 9/11$1,912
Thu 9/409:20SYD - IAD
2 stops25h 10mAir Canada
Wed 29/409:55IAD - SYD
2 stops31h 25mAir Canada
Deal found 9/11$2,002
Sun 1/211:50SYD - IAD
1 stop20h 24mUnited Airlines
Sat 7/222:28IAD - SYD
2 stops40h 32mUnited Airlines
Deal found 10/11$2,288
Mon 29/1214:15SYD - IAD
2 stops25h 03mDelta
Thu 29/115:42IAD - SYD
2 stops24h 48mDelta
Deal found 8/11$2,288
Tue 9/1221:40SYD - IAD
2 stops34h 56mAlaska Airlines
Tue 6/118:43IAD - SYD
2 stops33h 02mAlaska Airlines
Deal found 9/11$1,912
Fri 20/211:20SYD - IAD
2 stops25h 34mAir Canada
Tue 24/209:45IAD - SYD
2 stops31h 50mAir Canada
Deal found 10/11$2,080
Fri 5/1221:40SYD - IAD
2 stops34h 56mAlaska Airlines
Mon 5/118:43IAD - SYD
2 stops33h 02mAlaska Airlines
Deal found 9/11$1,912
Sun 18/112:10SYD - IAD
1 stop20h 20mUnited Airlines
Sat 7/219:45IAD - SYD
1 stop42h 35mUnited Airlines
Deal found 9/11$2,288
Tue 9/1221:40SYD - IAD
2 stops34h 56mAlaska Airlines
Sat 10/118:04IAD - SYD
2 stops33h 41mAlaska Airlines
Deal found 9/11$1,912
Sat 7/321:40SYD - IAD
2 stops34h 47mAlaska Airlines
Fri 13/318:20IAD - SYD
3 stops34h 25mAlaska Airlines
Deal found 9/11$2,036
Last-minute flights from Sydney to Dulles Intl
Discover last-minute flight deals from Sydney to Dulles Intl. Data last updated 11 November 2025 and is based on user searches.
Tue 11/1121:40SYD - IAD
2 stops35h 00mAlaska Airlines
Sun 16/1118:13IAD - SYD
2 stops33h 32mAlaska Airlines
Deal found 9/11$1,961
Thu 27/1109:55SYD - IAD
2 stops27h 30mAir New Zealand
Fri 5/1215:25IAD - SYD
2 stops29h 15mAir New Zealand
Deal found 8/11$1,590
Fri 28/1111:45SYD - IAD
2 stops26h 27mAir New Zealand
Sat 6/1215:23IAD - SYD
2 stops29h 17mAir New Zealand
Deal found 9/11$1,815
Thu 4/1221:40SYD - IAD
2 stops34h 56mAlaska Airlines
Sat 10/118:04IAD - SYD
2 stops33h 41mAlaska Airlines
Deal found 9/11$1,912
Sat 6/1213:55SYD - IAD
2 stops31h 32mAir New Zealand
Sat 13/1209:00IAD - SYD
2 stops33h 30mAir New Zealand
Deal found 8/11$1,752
Sat 6/1221:40SYD - IAD
2 stops48h 26mHawaiian Airlines
Tue 16/1207:34IAD - SYD
2 stops44h 11mHawaiian Airlines
Deal found 7/11$1,925
Sat 6/1221:40SYD - IAD
2 stops48h 26mAlaska Airlines
Sat 10/118:04IAD - SYD
2 stops33h 41mAlaska Airlines
Deal found 9/11$1,933
Sat 6/1221:40SYD - IAD
3 stops35h 50mAlaska Airlines
Tue 16/1217:37IAD - SYD
3 stops34h 08mAlaska Airlines
Deal found 7/11$1,941
Sun 7/1221:40SYD - IAD
2 stops48h 26mAlaska Airlines
Mon 5/107:33IAD - SYD
2 stops44h 12mAlaska Airlines
Deal found 9/11$1,991
Sun 7/1221:40SYD - IAD
2 stops34h 56mAlaska Airlines
Tue 16/1217:37IAD - SYD
3 stops34h 08mAlaska Airlines
Deal found 7/11$2,000
Thu 11/1221:40SYD - IAD
3 stops34h 56mAlaska Airlines
Tue 10/217:26IAD - SYD
3 stops34h 19mAlaska Airlines
Deal found 9/11$1,904
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 November 2025.
Mon 12/121:40SYD - IAD
3 stops54h 05mMultiple Airlines
Deal found 9/11$968
Mon 8/1209:55SYD - IAD
2 stops28h 20mAir New Zealand
Deal found 10/11$979
Sat 15/1109:55SYD - IAD
2 stops26h 44mAir New Zealand
Deal found 10/11$986
Tue 17/206:20SYD - IAD
3 stops30h 34mMultiple Airlines
Deal found 8/11$988
Sat 15/1120:05SYD - IAD
3 stops59h 25mMultiple Airlines
Deal found 10/11$1,000
Sat 14/210:20SYD - IAD
3 stops47h 00mMultiple Airlines
Deal found 8/11$1,014
Fri 13/211:45SYD - IAD
2 stops24h 56mAir New Zealand
Deal found 8/11$1,031
Thu 2/420:40SYD - IAD
1 stop37h 50mAir China
Deal found 10/11$1,034
Mon 12/120:40SYD - IAD
1 stop37h 50mAir China
Deal found 9/11$1,061
Sat 21/210:20SYD - IAD
3 stops46h 12mMultiple Airlines
Deal found 8/11$1,104
Thu 2/420:40SYD - IAD
2 stops49h 54mMultiple Airlines
Deal found 10/11$1,114
Cheap 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 November 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 November 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
Wed 10/12
11:45-20:55
2 stops25h 10m
Washington, D.C. Dulles Intl
Sun 1/3
12:50-10:30
2 stops29h 40m
$1,740
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Fri 5/12
21:40-16:36
2 stops34h 56m
Washington, D.C. Dulles Intl
Tue 6/1
18:43-19:45
2 stops33h 02m
$1,912
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Tue 9/12
21:40-16:36
2 stops34h 56m
Washington, D.C. Dulles Intl
Tue 6/1
18:43-19:45
2 stops33h 02m
$1,912
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Fri 5/12
21:40-16:36
2 stops34h 56m
Washington, D.C. Dulles Intl
Mon 5/1
18:43-19:45
2 stops33h 02m
$1,912
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Tue 9/12
21:40-16:36
2 stops34h 56m
Washington, D.C. Dulles Intl
Sat 10/1
18:04-19:45
2 stops33h 41m
$1,912
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Thu 9/4
09:20-20:30
2 stops25h 10m
Washington, D.C. Dulles Intl
Wed 29/4
09:55-07:20
2 stops31h 25m
$2,002
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Sat 7/3
21:40-16:27
2 stops34h 47m
Washington, D.C. Dulles Intl
Fri 13/3
18:20-19:45
3 stops34h 25m
$2,036
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Fri 20/2
11:20-20:54
2 stops25h 34m
Washington, D.C. Dulles Intl
Tue 24/2
09:45-09:35
2 stops31h 50m
$2,080
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Sun 1/2
11:50-16:14
1 stop20h 24m
Washington, D.C. Dulles Intl
Sat 7/2
22:28-07:00
2 stops40h 32m
$2,288
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Mon 29/12
14:15-23:18
2 stops25h 03m
Washington, D.C. Dulles Intl
Thu 29/1
15:42-08:30
2 stops24h 48m
$2,288
Flights are sorted by cheapest return flights first.
Deals found on 9/11
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 7 November 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 $628). Flying from Sydney to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,814). 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 November 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.
What is the cheapest day to fly from Sydney to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the cheapest time to fly return from Sydney to Dulles Intl. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sydney to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 44% of one-stop itineraries from Sydney to Washington, D.C. Dulles Intl Airport on Cheapflights.
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 Los Angeles (LAX) have the shortest average one-way travel time for one-stop routes: 21h 38m.
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 Los Angeles (LAX) have the shortest average one-way travel time for one-stop routes: 21h 38m.
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 San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 43m.
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 November 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.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
I had no worries going through customs in Canada but in New Zealand there were two machines and it beeped on me. Something on my side. There was nothing on my side. I lifted my top to show, i had a fabric belt tied around my skirt, maybe that which wasn’t knotted is what triggered. Shrug. I do wonder what that was that had me patted lightly with a guard in plastic gloves. so it goes.
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 25h 10m. 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 $628 on this airline. Additional options worth looking into are Virgin Australia and Qantas Airways, starting at $1,251 and $1,287 round-trip. American Airlines is currently priced 68% 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 $628). Flying from Sydney to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,814). 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 November 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 November 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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