Cheap flights from Sydney to Washington, D.C. Dulles Intl Airport from $845
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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — IAD
3 Sep — 10 Sep1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Washington, D.C. Dulles Intl are usually found in March or August, booked 27 days in advance, depart on a Friday or Tuesday and return on a Tuesday
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 29 August 2025.
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 29 August 2025.
Mon 15/909:20SYD - IAD
2 stops25h 45mAir Canada
Tue 23/909:35IAD - SYD
2 stops31h 45mAir Canada
Deal found 26/8$1,102
Mon 8/909:30SYD - IAD
1 stop29h 00mUnited Airlines
Wed 24/912:45IAD - SYD
1 stop28h 15mUnited Airlines
Deal found 29/8$1,260
Sat 25/1010:20SYD - IAD
2 stops44h 34mAir Canada
Thu 30/1009:00IAD - SYD
2 stops32h 35mAir Canada
Deal found 27/8$1,268
Wed 15/1010:30SYD - IAD
1 stop20h 53mUnited Airlines
Wed 22/1013:20IAD - SYD
2 stops27h 35mUnited Airlines
Deal found 28/8$1,275
Mon 13/1010:30SYD - IAD
2 stops26h 58mUnited Airlines
Mon 20/1018:58IAD - SYD
1 stop21h 57mUnited Airlines
Deal found 29/8$1,281
Tue 16/910:20SYD - IAD
1 stop22h 32mLufthansa
Wed 24/917:40IAD - SYD
1 stop23h 20mLufthansa
Deal found 27/8$1,295
Sun 12/1010:20SYD - IAD
2 stops25h 45mAir Canada
Sun 19/1009:35IAD - SYD
2 stops55h 45mAir Canada
Deal found 28/8$1,312
Wed 15/1010:20SYD - IAD
2 stops26h 05mAir Canada
Wed 22/1010:20IAD - SYD
2 stops31h 00mAir Canada
Deal found 28/8$1,314
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 29 August 2025.
Mon 15/909:20SYD - IAD
2 stops25h 45mAir Canada
Tue 23/909:35IAD - SYD
2 stops31h 45mAir Canada
Deal found 26/8$1,102
Mon 8/909:30SYD - IAD
1 stop29h 00mUnited Airlines
Wed 24/912:45IAD - SYD
1 stop28h 15mUnited Airlines
Deal found 29/8$1,260
Mon 8/909:10SYD - IAD
2 stops27h 38mAmerican Airlines
Wed 24/911:47IAD - SYD
2 stops29h 18mAmerican Airlines
Deal found 29/8$1,275
Tue 4/1111:20SYD - IAD
2 stops25h 34mAir Canada
Tue 18/1109:45IAD - SYD
2 stops31h 50mAir Canada
Deal found 28/8$1,102
Thu 23/1010:20SYD - IAD
2 stops49h 45mAir Canada
Thu 30/1009:45IAD - SYD
2 stops31h 50mAir Canada
Deal found 26/8$1,102
Tue 16/909:20SYD - IAD
2 stops38h 18mAir Canada
Wed 24/914:25IAD - SYD
2 stops26h 55mAir Canada
Deal found 27/8$1,260
Sat 25/1010:20SYD - IAD
2 stops44h 34mAir Canada
Thu 30/1009:00IAD - SYD
2 stops32h 35mAir Canada
Deal found 27/8$1,268
Last-minute flights from Sydney to Dulles Intl
Discover last-minute flight deals from Sydney to Dulles Intl. Data last updated 29 August 2025 and is based on user searches.
Fri 29/810:20SYD - IAD
1 stop20h 05mUnited Airlines
Thu 11/912:45IAD - SYD
1 stop28h 15mUnited Airlines
Deal found 27/8$1,424
Sun 31/809:10SYD - IAD
2 stops39h 51mAmerican Airlines
Wed 3/917:40IAD - SYD
1 stop23h 15mAmerican Airlines
Deal found 28/8$1,462
Mon 8/909:30SYD - IAD
1 stop29h 00mUnited Airlines
Wed 24/912:45IAD - SYD
1 stop28h 15mUnited Airlines
Deal found 29/8$1,260
Mon 8/909:10SYD - IAD
2 stops27h 38mAmerican Airlines
Wed 24/911:47IAD - SYD
2 stops29h 18mAmerican Airlines
Deal found 29/8$1,275
Fri 12/912:10SYD - IAD
1 stop24h 35mAmerican Airlines
Fri 19/911:47IAD - SYD
2 stops29h 18mAmerican Airlines
Deal found 29/8$1,429
Mon 15/909:20SYD - IAD
2 stops25h 45mAir Canada
Tue 23/909:35IAD - SYD
2 stops31h 45mAir Canada
Deal found 26/8$1,102
Tue 16/910:20SYD - IAD
1 stop22h 32mLufthansa
Wed 24/917:40IAD - SYD
1 stop23h 20mLufthansa
Deal found 27/8$1,295
Wed 17/910:20SYD - IAD
2 stops22h 53mUnited Airlines
Thu 25/914:45IAD - SYD
2 stops26h 15mUnited Airlines
Deal found 28/8$1,357
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 29 August 2025.
Wed 15/1017:20SYD - IAD
3 stops54h 49mMultiple Airlines
Deal found 28/8$845
Tue 14/1010:20SYD - IAD
2 stops25h 45mAir Canada
Deal found 26/8$892
Wed 15/1016:40SYD - IAD
1 stop38h 30mEtihad Airways
Deal found 28/8$953
Fri 5/916:20SYD - IAD
3 stops29h 13mMultiple Airlines
Deal found 27/8$963
Fri 14/1117:45SYD - IAD
2 stops46h 10mMultiple Airlines
Deal found 28/8$1,002
Thu 2/1017:45SYD - IAD
2 stops29h 32mMultiple Airlines
Deal found 27/8$1,009
Tue 14/1016:40SYD - IAD
1 stop38h 30mEtihad Airways
Deal found 26/8$1,015
Wed 3/917:45SYD - IAD
2 stops44h 30mMultiple Airlines
Deal found 26/8$1,016
Sun 5/1018:45SYD - IAD
2 stops33h 10mMultiple Airlines
Deal found 27/8$1,024
Wed 1/1009:20SYD - IAD
2 stops25h 45mAir Canada
Deal found 28/8$1,059
Cheapflights Fare Finder
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 29 August 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 15/9
09:20-21:05
2 stops25h 45m
Washington, D.C. Dulles Intl
Tue 23/9
09:35-07:20
2 stops31h 45m
$1,102
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Tue 4/11
11:20-20:54
2 stops25h 34m
Washington, D.C. Dulles Intl
Tue 18/11
09:45-09:35
2 stops31h 50m
$1,102
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Thu 23/10
10:20-21:05
2 stops49h 45m
Washington, D.C. Dulles Intl
Thu 30/10
09:45-08:35
2 stops31h 50m
$1,102
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Mon 8/9
09:30-00:30
1 stop29h 00m
Washington, D.C. Dulles Intl
Wed 24/9
12:45-07:00
1 stop28h 15m
$1,260
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Tue 16/9
09:20-09:38
2 stops38h 18m
Washington, D.C. Dulles Intl
Wed 24/9
14:25-07:20
2 stops26h 55m
$1,260
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Sat 25/10
10:20-15:54
2 stops44h 34m
Washington, D.C. Dulles Intl
Thu 30/10
09:00-08:35
2 stops32h 35m
$1,268
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Mon 8/9
09:10-22:48
2 stops27h 38m
Washington, D.C. Dulles Intl
Wed 24/9
11:47-07:05
2 stops29h 18m
$1,275
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Wed 15/10
17:20-09:09
3 stops54h 49m
$845
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Tue 14/10
10:20-21:05
2 stops25h 45m
$892
SydneyWashington, D.C.
SYD - IAD
SYDIAD
Sydney Kingsford Smith
Wed 15/10
16:40-16:10
1 stop38h 30m
$953
Flights are sorted by cheapest return flights first.
Deals found on 28/8
Showing 1-10 of 15 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 22 August 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 27 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, February is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,013). Flying from Sydney to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,608). 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 29 August 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 10% 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 Wednesday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 50% 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 Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 21h 06m.
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 Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 21h 06m.
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 Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 2h 45m.
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 29 August 2025.
Read reviews from past customers who have flown with Air New Zealand, Qantas Airways, andVirgin Australia
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.
Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.
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. 7 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 45m. The distance from Sydney to Washington, D.C. Dulles Intl Airport is about 15670 km.
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 Qantas Airways and Air Canada, starting at $1,288 and $1,298 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, February is the cheapest month in which you can book a flight from Sydney to Washington, D.C. Dulles Intl Airport (average of $1,013). Flying from Sydney to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $1,608). 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 29 August 2025.
Discover the top 7 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 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 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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