IAD - SYD

$586 Find Cheap Flights from Washington Dulles Airport to Sydney - Compare and Save

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Everything you should know

Cheapest round-trip
$1,314
Typical prices: $1,321-$1,911
Air Canada
Mon 2/12Wed 2/28
IAD - SYD • 2 stops
Cheapest one-way
$586
Typical prices: $968-$1,178
Multiple Airlines
Fri 3/2
IAD - SYD • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Sydney. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
22 weeks
in advance
Our data shows that travelers who book at least 22 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
When to travel
November
Cheapest • 19% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Toronto Pearson Intl (YYZ)
Cheapest • Avg $1,550 (round-trip)
San Francisco (SFO)
Shortest trip • 21h 37m (one-way)
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Insights
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Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from Dulles Intl to Sydney

Fri, Feb 12 - Mon, Mar 1
Air Canada Logo
9:55 am - 9:35 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
31h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 am - 11:47 amSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
40h 27m2 stops Vancouver Intl Ottawa
$1,314Air Canada
Tue, Feb 16 - Sat, Feb 27
Air Canada Logo
1:20 pm - 9:35 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
28h 15m2 stops Ottawa Vancouver Intl
Air Canada Logo
11:20 am - 8:23 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 03m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,314Air Canada
Sun, Mar 14 - Tue, Mar 23
Air New Zealand Logo
6:36 am - 8:35 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
34h 59m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
11:50 am - 10:43 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 53m2 stops Auckland Intl San Francisco
$1,318Air New Zealand
Fri, Apr 16 - Tue, Apr 27
Qantas Airways Logo
5:55 pm - 6:55 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
23h 00m1 stop Dallas/Fort Worth
Qantas Airways Logo
12:00 pm - 11:28 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
25h 28m1 stop Dallas/Fort Worth
$1,319Qantas Airways
Sun, Feb 14 - Sat, Feb 27
Qantas Airways Logo
12:14 pm - 6:55 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
26h 41m1 stop Dallas/Fort Worth
Qantas Airways Logo
2:05 pm - 10:48 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
24h 43m1 stop Dallas/Fort Worth
$1,319Qantas Airways
Sun, Feb 14 - Tue, Mar 2
Air New Zealand Logo
2:36 pm - 10:35 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
27h 59m2 stops Houston George Bush Intcntl Auckland Intl
Air New Zealand Logo
7:30 am - 8:49 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
29h 19m2 stops Auckland Intl Houston George Bush Intcntl
$1,324Air New Zealand
Tue, Feb 16 - Fri, Feb 26
American Airlines Logo
7:16 am - 6:55 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
31h 39m1 stop Dallas/Fort Worth
American Airlines Logo
11:20 am - 10:48 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
27h 28m2 stops Los Angeles Dallas/Fort Worth
$1,326American Airlines
Sun, Nov 22 - Sat, Dec 5
American Airlines Logo
9:33 am - 9:00 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
31h 27m2 stops Charlotte Douglas Los Angeles
American Airlines Logo
11:10 am - 9:12 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
26h 02m2 stops Los Angeles Charlotte Douglas
$1,326American Airlines
Mon, Apr 26 - Sat, May 8
Multiple Airlines Logo
9:55 am - 7:20 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
31h 25m1 stop Toronto Pearson Intl
Multiple Airlines Logo
9:20 am - 7:59 pmSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
24h 39m1 stop Toronto Pearson Intl
$1,369Multiple Airlines
Tue, Dec 8 - Sun, Dec 20
Multiple Airlines Logo
12:06 pm - 9:00 amIAD  Washington, D.C. Dulles Intl-SYD Sydney Kingsford Smith
28h 54m2 stops Atlanta Hartsfield-Jackson Los Angeles
Multiple Airlines Logo
7:05 am - 6:07 amSYD  Sydney Kingsford Smith-IAD Washington, D.C. Dulles Intl
39h 02m3 stops Auckland Intl Los Angeles Las Vegas Harry Reid Intl
$1,401Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Sydney 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 round-trip flight from Washington, D.C. Dulles Intl Airport to Sydney?

Round-trip flights from Washington, D.C. Dulles Intl Airport to Sydney typically range from $1,321 to $1,911. The lowest price found in the past 5 days was $1,314, on Air Canada.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Sydney. It’s 7% cheaper than the average day, while Thursday is the most expensive, with prices 14% higher.

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

•November is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Sydney at $1,310 round-trip.
•December ($2,082) and June ($1,757) 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 Washington, D.C. Dulles Intl Airport to Sydney the cheapest?

Flights from Washington, D.C. Dulles Intl Airport to Sydney are cheapest 22 weeks before departure. Booking in this window typically costs about 38% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

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

Low season

August

Cheapest flight

$586
Beat the crowds with an average 52% drop in travelers.
The most popular month to fly with an average 42% increase in travelers.
One-way flight from Washington, D.C. Dulles Intl Airport to Sydney

When to book flights from Dulles Intl to Sydney

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

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

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

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Sydney takes 00m, covering 9,737 miles.

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

    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 Washington, D.C. Dulles Intl Airport to Sydney flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Sydney range from $1,321 to $1,911, with an average of $1,612 over the past 12 months. Anything below $1,321 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 23% above the $1,612 route average. Book 22 weeks before departure for the lowest fares.

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

    One-way fares from Washington, D.C. Dulles Intl Airport to Sydney are currently in line with typical prices for this route. Average one-way fares are about $1,119.

  • What car rental options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car rental companies, with daily rates averaging $41 for economy cars. Top options include:

    • East Coast Car Rentals
    • Bargain Car Rentals
    • YESDRIVE CAR RENTAL
    • No Birds
    • EverythingFleet

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

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

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

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

    • San Francisco (SFO) - 29% of one-stop connections
    • Los Angeles (LAX) - 24% of one-stop connections
    • Dallas/Fort Worth (DFW) - 22% of one-stop connections
    • Doha Hamad Intl (DOH) - 9% of one-stop connections

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

    Yes. Flexible dates can save you up to 19% on flights from Washington, D.C. Dulles Intl Airport to Sydney. Tuesday is the cheapest departure day at $1,508 round-trip on average, while Thursday is the most expensive at $1,843, a difference of $335.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 21h 37m, compared with 22h via Dallas/Fort Worth (DFW) and 22h 43m via Los Angeles (LAX).

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

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

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Museum of Contemporary Art and Chinatown Night Market. These are among the most viewed places in Sydney on KAYAK.

  • Which airlines are suitable for families flying from Washington Dulles Airport to Sydney?

    Families with children traveling from Washington Dulles Airport to Sydney should consider traveling with Qantas Airways. They provide activity packs filled with games, puzzles, coloring books, and other fun items to keep young passengers entertained during the flight. Qantas Airways also offers a dedicated children's inflight entertainment section featuring a variety of movies, TV shows, and music suitable for different age groups.

  • Which airline should I book for an unaccompanied minor flying from Washington Dulles Airport to Sydney?

    United Airlines is a great option for an unaccompanied kid traveling from Washington Dulles Airport to Sydney. According to United Airlines regulation, a child between the ages of 5 and 15 are permitted to fly alone as long as they have parental or guardian consent and can show identification. A passport or a driver's license with a current photo is required from parents or guardians. In addition, parents or guardians must complete the Unaccompanied Minors Form in person at the airport of departure.

  • Which airline from Washington Dulles Airport to Sydney is ideal for persons with special needs?

    If you have special needs and require extra assistance, fly on Qantas Airways from Washington Dulles Airport to Sydney. The airline assists passengers who require mobility aid, including wheelchair assistance, during boarding and disembarkation. They provide accessible seating options and priority boarding for passengers who need extra time or assistance. Passengers with visual impairments can request assistance with Braille safety cards and cabin announcements.

  • Which airlines offer business and first-class flights from Washington Dulles Airport to Sydney?

    Business and first-class flights are available from Washington Dulles Airport to Sydney on United Airlines and Qantas Airways. United Airlines provides pre-departure refreshments, premium entertainment, and bedding from Saks Fifth Avenue. Qantas Airways offers first-class, business-class, and premium economy flights with great service, gourmet meals, and an extensive wine list.

Your guide to booking Washington, D.C. Dulles Intl Airport to Sydney 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 Tuesday departure and avoid flying on Thursday. On this route, Tuesday flights average $1,508, about $335 less than Thursday fares (18% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 22 weeks before you fly. On this route, that window historically saves about 38% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Sydney trip for November. Fares historically average $1,310 round-trip in that month - typically $772 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sydney Kingsford Smith Airport.

    • ibis budget Sydney Airport
    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel
  • Passengers flying from Washington Dulles Airport (IAD) to Sydney will land at Sydney Airport (SYD). Sydney Airport (SYD) is a base for Qantas Airways, which offers competitive prices and flexible travel policies for flights from IAD to SYD.
  • You can get flights from Washington Dulles Airport to Sydney with a layover en route. The layovers differ with your airline, with most stopping at their hubs or base of operation. United Airlines and American Airlines flights have a layover at Los Angeles (LAX) and San Francisco (SFO), respectively, while ANA flights stop in Tokyo (HND).
  • Qantas Airways provides sustainable flights to Sydney from Washington Dulles Airport. Qantas Airways prioritizes sustainability in its operations and invest in eco-friendly aircraft technology. The airline is committed to reducing greenhouse gas emissions, improving fuel efficiency, and investing in sustainable aviation fuels. They prioritize aircraft fleet renewal with more fuel-efficient and lower-emission planes.
  • United Airlines has pet-friendly policies for flights from Washington Dulles Airport to Sydney. Pets are permitted in the cabin or cargo hold in an authorized kennel or carrier. The kennel or carrier should be leak-proof, well-ventilated, and have enough space for the pet. The carrier's maximum size and weight limits are 17 x 12.5 x 7.5 inches and 17 lb, respectively.
  • Public transport options from SYD to downtown Sydney include the train and bus. Train T8 runs every 5 minutes from the airport station to downtown Sydney. Murrays Coaches operates a bus that runs every hour from the Terminal 1 bus stop to downtown Sydney.

More options for your flight from Dulles Intl to Sydney

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