Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $863
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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
25 jan — 1 feb1
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.
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 26 december 2025.
sön 8/209:55SYD - IAD
2 stops26h 54mAir New Zealand
sön 15/212:50IAD - SYD
2 stops27h 55mAir New Zealand
Deal found 25/12$1,758
mån 26/111:20SYD - IAD
1 stop21h 02mUnited Airlines
mån 9/218:45IAD - SYD
1 stop22h 20mUnited Airlines
Deal found 25/12$1,774
mån 26/114:15SYD - IAD
2 stops24h 51mDelta
mån 9/215:42IAD - SYD
2 stops24h 48mDelta
Deal found 25/12$1,779
mån 26/114:05SYD - IAD
1 stop23h 12mMultiple Airlines
mån 9/217:26IAD - SYD
2 stops25h 29mMultiple Airlines
Deal found 25/12$1,878
lör 7/211:20SYD - IAD
2 stops25h 34mAir Canada
lör 14/209:45IAD - SYD
2 stops31h 50mAir Canada
Deal found 23/12$1,889
tors 22/107:05SYD - IAD
2 stops25h 26mQantas Airways
tors 29/117:26IAD - SYD
2 stops30h 04mQantas Airways
Deal found 25/12$2,078
sön 1/211:50SYD - IAD
1 stop20h 24mUnited Airlines
sön 15/215:58IAD - SYD
2 stops25h 07mUnited Airlines
Deal found 23/12$1,849
tors 5/311:20SYD - IAD
2 stops25h 34mAir Canada
mån 9/309:55IAD - SYD
2 stops31h 40mAir Canada
Deal found 24/12$1,911
sön 7/615:40SYD - IAD
2 stops41h 54mMultiple Airlines
sön 21/615:35IAD - SYD
1 stop35h 25mMultiple Airlines
Deal found 24/12$2,126
sön 1/211:20SYD - IAD
2 stops25h 34mAir Canada
sön 15/209:45IAD - SYD
3 stops55h 50mAir Canada
Deal found 23/12$1,998
sön 7/609:20SYD - IAD
2 stops44h 52mAir Canada
sön 21/622:05IAD - SYD
2 stops43h 15mAir Canada
Deal found 24/12$2,175
Last-minute flights from Sydney to Dulles Intl
Discover last-minute flight deals from Sydney to Dulles Intl. Data last updated 26 december 2025 and is based on user searches.
mån 12/120:40SYD - IAD
1 stop37h 50mAir China
tis 20/122:00IAD - SYD
1 stop49h 30mAir China
Deal found 24/12$1,714
mån 12/120:40SYD - IAD
1 stop37h 50mMultiple Airlines
tis 20/113:30IAD - SYD
2 stops37h 50mMultiple Airlines
Deal found 24/12$2,190
tis 13/121:40SYD - IAD
3 stops34h 46mMultiple Airlines
ons 21/117:26IAD - SYD
3 stops34h 19mMultiple Airlines
Deal found 25/12$2,327
tors 22/107:05SYD - IAD
2 stops25h 26mQantas Airways
tors 29/117:26IAD - SYD
2 stops30h 04mQantas Airways
Deal found 25/12$2,078
mån 26/111:20SYD - IAD
1 stop21h 02mUnited Airlines
mån 9/218:45IAD - SYD
1 stop22h 20mUnited Airlines
Deal found 25/12$1,774
mån 26/114:15SYD - IAD
2 stops24h 51mDelta
mån 9/215:42IAD - SYD
2 stops24h 48mDelta
Deal found 25/12$1,779
mån 26/114:05SYD - IAD
1 stop23h 12mMultiple Airlines
mån 9/217:26IAD - SYD
2 stops25h 29mMultiple Airlines
Deal found 25/12$1,878
mån 26/111:20SYD - IAD
2 stops25h 34mAir Canada
mån 9/209:45IAD - SYD
3 stops55h 50mAir Canada
Deal found 25/12$2,203
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 26 december 2025.
fre 30/112:35SYD - IAD
3 stops38h 09mMultiple Airlines
Deal found 25/12$863
tors 22/112:35SYD - IAD
3 stops43h 51mMultiple Airlines
Deal found 25/12$926
sön 1/213:35SYD - IAD
3 stops59h 30mMultiple Airlines
Deal found 24/12$1,003
tors 18/619:40SYD - IAD
1 stop37h 50mAir China
Deal found 24/12$1,027
tors 22/120:40SYD - IAD
1 stop37h 50mAir China
Deal found 25/12$1,035
mån 2/314:00SYD - IAD
1 stop44h 30mAir China
Deal found 25/12$1,039
mån 15/613:00SYD - IAD
3 stops58h 45mMultiple Airlines
Deal found 25/12$1,117
sön 7/619:40SYD - IAD
2 stops56h 08mAir China
Deal found 24/12$1,136
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 26 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 26 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
sön 8/2
09:55-20:49
2 stops26h 54m
Washington, D.C. Dulles Intl
sön 15/2
12:50-08:45
2 stops27h 55m
$1,758
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
mån 26/1
11:20-16:22
1 stop21h 02m
Washington, D.C. Dulles Intl
mån 9/2
18:45-09:05
1 stop22h 20m
$1,774
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
mån 26/1
14:15-23:06
2 stops24h 51m
Washington, D.C. Dulles Intl
mån 9/2
15:42-08:30
2 stops24h 48m
$1,779
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
sön 1/2
11:50-16:14
1 stop20h 24m
Washington, D.C. Dulles Intl
sön 15/2
15:58-09:05
2 stops25h 07m
$1,849
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
mån 26/1
14:05-21:17
1 stop23h 12m
Washington, D.C. Dulles Intl
mån 9/2
17:26-10:55
2 stops25h 29m
$1,878
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
lör 7/2
11:20-20:54
2 stops25h 34m
Washington, D.C. Dulles Intl
lör 14/2
09:45-09:35
2 stops31h 50m
$1,889
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
tors 5/3
11:20-20:54
2 stops25h 34m
Washington, D.C. Dulles Intl
mån 9/3
09:55-08:35
2 stops31h 40m
$1,911
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
sön 1/2
11:20-20:54
2 stops25h 34m
Washington, D.C. Dulles Intl
sön 15/2
09:45-09:35
3 stops55h 50m
$1,998
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
tors 22/1
07:05-16:31
2 stops25h 26m
Washington, D.C. Dulles Intl
tors 29/1
17:26-15:30
2 stops30h 04m
$2,078
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
sön 7/6
15:40-19:34
2 stops41h 54m
Washington, D.C. Dulles Intl
sön 21/6
15:35-17:00
1 stop35h 25m
$2,126
Flights are sorted by cheapest return flights first.
Deals found on 24/12
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 19 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 $611). Flying from Sydney to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $1,571). 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 26 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 49% 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 $1,267.
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 26 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.
I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
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 21h 02m. 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 $599 on this airline. Additional options worth looking into are Qantas Airways and Virgin Australia, starting at $832 and $1,198 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 $611). Flying from Sydney to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $1,571). 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 26 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 26 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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