SYD - IAD

$697 Find Cheap Flights from Sydney to Washington Dulles Airport – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,594
Typical prices: $1,565-$2,485
Air China
Fri 9/11Sat 17/11
SYD - IAD • 1 stop
Cheapest one-way flight
$697
Typical prices: $979-$1,761
Multiple Airlines
Sun 2/12
SYD - IAD • 3 stops
Direct flights
Not available
There are currently no direct flights between Sydney and Washington, D.C. Dulles Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
18 weeks
in advance
Our data shows that travellers who book at least 18 weeks in advance save around 12% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 20% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Houston George Bush Intcntl (IAH)
Cheapest • Avg $1,621 (return)
Vancouver Intl (YVR)
Shortest trip • 22h 28m (one-way)
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Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Washington, D.C. Dulles Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sydney to Dulles Intl (SYD-IAD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sydney to Dulles Intl

Mon, 9 Nov - Tue, 17 Nov
Air China Logo
10:30 - 18:30SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
48h 00m1 stop Beijing Capital
Air China Logo
22:00 - 08:05IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
42h 05m1 stop Beijing Capital
$1,594Air China
Tue, 17 Nov - Tue, 24 Nov
American Airlines Logo
11:10 - 05:38SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
34h 28m1 stop Los Angeles
American Airlines Logo
14:42 - 06:55IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
24h 13m1 stop Dallas/Fort Worth
$1,627American Airlines
Thu, 12 Nov - Fri, 20 Nov
Air China Logo
10:30 - 18:30SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
48h 00m1 stop Beijing Capital
Air China Logo
22:00 - 08:05IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
42h 05m1 stop Beijing Capital
$1,633Air China
Tue, 17 Nov - Tue, 24 Nov
American Airlines Logo
11:10 - 05:38SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
34h 28m1 stop Los Angeles
American Airlines Logo
09:33 - 06:55IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
29h 22m2 stops Charlotte Douglas Dallas/Fort Worth
$1,633American Airlines
Tue, 17 Nov - Tue, 24 Nov
United Airlines Logo
09:15 - 16:33SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
23h 18m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
15:37 - 09:05IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
25h 28m2 stops Chicago O'Hare Intl Los Angeles
$1,792United Airlines
Thu, 5 Nov - Mon, 9 Nov
United Airlines Logo
11:50 - 16:08SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
20h 18m1 stop San Francisco
United Airlines Logo
20:01 - 09:05IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
45h 04m1 stop Los Angeles
$1,793United Airlines
Wed, 4 Nov - Wed, 11 Nov
Qantas Airways Logo
14:05 - 23:30SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 25m1 stop Dallas/Fort Worth
Qantas Airways Logo
16:39 - 06:55IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
22h 16m1 stop Dallas/Fort Worth
$1,802Qantas Airways
Wed, 4 Nov - Thu, 12 Nov
Qantas Airways Logo
14:05 - 23:30SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 25m1 stop Dallas/Fort Worth
Qantas Airways Logo
14:42 - 06:55IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
24h 13m1 stop Dallas/Fort Worth
$1,906Qantas Airways
Thu, 12 Nov - Mon, 23 Nov
Air New Zealand Logo
14:05 - 06:17SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
32h 12m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
14:38 - 08:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
25h 57m2 stops Houston George Bush Intcntl Auckland Intl
$1,974Air New Zealand
Thu, 12 Nov - Thu, 26 Nov
Air New Zealand Logo
09:55 - 00:40SYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
30h 45m2 stops Auckland Intl Los Angeles
Air New Zealand Logo
09:25 - 10:35IAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
33h 10m2 stops San Francisco Auckland Intl
$2,050Air New Zealand
Booking Insights

Price, demand, and travel trends for Sydney to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Sydney to Washington, D.C. Dulles Intl Airport?

Return flights from Sydney to Washington, D.C. Dulles Intl Airport typically range from $1,565 to $2,485. The lowest price found in the past 5 days was $1,594 on Air China.

What's the cheapest day of the week to fly from Sydney to Washington, D.C. Dulles Intl Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Sydney to Washington, D.C. Dulles Intl Airport. It’s 21% cheaper than the average day, while Monday is the most expensive, with prices 17% higher.

What is the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport?

•September is the cheapest month to fly from Sydney to Washington, D.C. Dulles Intl Airport at $1,560 return.
•July ($2,479) and June ($2,300) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 58% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Sydney to Washington, D.C. Dulles Intl Airport the cheapest?

Flights from Sydney to Washington, D.C. Dulles Intl Airport are cheapest 18 weeks before departure. Booking in this window typically costs about 12% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Sydney to Washington, D.C. Dulles Intl Airport flights

Low season

March

Cheapest flight

$697
Beat the crowds with an average 66% drop in traveller numbers.
The most popular month to fly with an average 102% increase in traveller numbers.
One-way flight from Sydney to Washington, D.C. Dulles Intl Airport

When to book flights from Sydney to Dulles Intl

Are your dates flexible? Find out the best times to travel from Sydney to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Sydney to Washington, D.C. Dulles Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Sydney to Washington, D.C. Dulles Intl Airport?

    Three cabin classes are available on flights from Sydney to Washington, D.C. Dulles Intl Airport:

    • Economy class
    • Premium Economy Class
    • Business Class

  • How long is a flight from Sydney to Washington, D.C. Dulles Intl Airport?

    A direct flight from Sydney to Washington, D.C. Dulles Intl Airport takes 00m, covering 25,219 km.

  • Do I need a passport to fly from Sydney to Washington, D.C. Dulles Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Sydney to Washington, D.C. Dulles Intl Airport flight?

    Return flights from Sydney to Washington, D.C. Dulles Intl Airport range from $1,565 to $2,485, with an average of $1,948 over the past 12 months. Anything below $1,565 counts as a good deal.

  • How expensive are last-minute Sydney to Washington, D.C. Dulles Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) are 12% below the route average of $1,948. Booking late can sometimes save you money, but availability is limited.

  • How are flight prices from Sydney to Washington, D.C. Dulles Intl Airport looking right now?

    One-way fares from Sydney to Washington, D.C. Dulles Intl Airport are currently higher than usual. Average one-way flight prices are about $1,665, which is 20% above the typical average for this route.

  • Which car hire options are available at Washington, D.C. Dulles Intl Airport (IAD)?

    Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car hire companies, with daily rates starting from around $34 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Sydney to Washington, D.C. Dulles Intl Airport?

    Flights from Sydney to Washington, D.C. Dulles Intl Airport usually depart from Sydney Kingsford Smith (SYD) and arrive at Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Sydney to Washington, D.C. Dulles Intl Airport pass through?

    One-stop flights from Sydney to Washington, D.C. Dulles Intl Airport most commonly connect through:

    • San Francisco (SFO) – 37% of one-stop connections
    • Dallas/Fort Worth (DFW) – 23% of one-stop connections
    • Los Angeles (LAX) – 17% of one-stop connections
    • Tokyo Haneda (HND) – 12% of one-stop connections

  • Can I save money by using flexible dates for flights from Sydney to Washington, D.C. Dulles Intl Airport?

    Yes. Flexible dates can save you up to 33% on flights from Sydney to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $1,550 return on average, while Monday is the most expensive at $2,286, a difference of $736.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from Sydney to Washington, D.C. Dulles Intl Airport?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time of 22h 28m, compared to 22h 33m via Dallas/Fort Worth (DFW) and 22h 45m via San Francisco (SFO).

  • What is the time difference between Sydney and Washington, D.C. Dulles Intl Airport?

    Washington, D.C. Dulles Intl Airport is 15 hours behind Sydney (Eastern Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C. Dulles Intl Airport?

    Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Grand Hyatt Washington, Walter E. Washington Convention Center, and JW Marriott Washington, DC. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Your guide to booking Sydney to Washington, D.C. Dulles Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $1,550, about $736 less than Monday fares (32% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 12% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sydney to Washington, D.C. Dulles Intl Airport trip for September. Fares historically average $1,560 return in that month – typically $919 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Sydney to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car hire

Car hire in Washington, D.C.
Hotels in Washington, D.C.
Holidays in Washington, D.C.