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Cheap flights from Washington, D.C. to Sydney from $463

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Sydney departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Sydney

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. to Sydney.
 Logo
11:12 am - 12:15 pmBWI-SYD
35h 03m2 stops
 Logo
7:45 pm - 10:48 pmSYD-BWI
41h 03m3 stops
Thu, May 1 - Mon, May 12
Air Canada Logo
9:45 am - 7:20 amIAD-SYD
31h 35m2 stops
Air Canada Logo
9:20 am - 11:14 amSYD-IAD
39h 54m2 stops
$1,046Air Canada
Find Deal
Tue, May 6 - Tue, May 20
Qantas Airways Logo
5:20 pm - 7:05 amDCA-SYD
23h 45m1 stop
Qantas Airways Logo
12:10 pm - 7:05 pmSYD-DCA
20h 55m1 stop
$1,443Qantas Airways
Find Deal
Sun, Aug 24 - Sun, Aug 31
Qantas Airways Logo
5:20 pm - 7:05 amDCA-SYD
23h 45m1 stop
Qantas Airways Logo
12:10 pm - 6:59 pmSYD-DCA
20h 49m1 stop
$1,446Qantas Airways
Find Deal
Sun, Aug 24 - Wed, Sep 10
American Airlines Logo
5:30 pm - 7:30 amDCA-SYD
24h 00m1 stop
American Airlines Logo
9:10 am - 8:29 pmSYD-DCA
25h 19m1 stop
$1,520American Airlines
Find Deal
Sun, May 25 - Sun, Jun 8
American Airlines Logo
5:30 pm - 7:30 amDCA-SYD
24h 00m1 stop
American Airlines Logo
10:25 am - 12:49 amSYD-DCA
28h 24m1 stop
$1,521American Airlines
Find Deal
Tue, Jul 1 - Tue, Jul 15
United Airlines Logo
8:45 am - 6:55 amIAD-SYD
32h 10m1 stop
United Airlines Logo
10:20 am - 4:23 pmSYD-IAD
20h 03m1 stop
$1,545United Airlines
Find Deal
Sun, May 25 - Sun, Jun 8
United Airlines Logo
8:45 am - 6:55 amIAD-SYD
32h 10m1 stop
United Airlines Logo
10:20 am - 6:52 pmSYD-IAD
22h 32m1 stop
$1,556United Airlines
Find Deal
Mon, Aug 4 - Wed, Aug 13
Delta Logo
5:25 pm - 6:35 amDCA-SYD
23h 10m1 stop
Delta Logo
9:25 am - 4:20 pmSYD-DCA
20h 55m1 stop
$1,565Delta
Find Deal
Mon, Jul 7 - Mon, Jul 28
Delta Logo
3:37 pm - 6:35 amIAD-SYD
24h 58m2 stops
Delta Logo
9:25 am - 6:23 pmSYD-IAD
22h 58m2 stops
$1,569Delta
Find Deal
Sun, May 25 - Sun, Jun 8

Air Canada flights from Washington, D.C. to Sydney

Our best Air Canada deals on Washington, D.C. to Sydney flight tickets
Air Canada
May 6
IAD9:45 amWashington, D.C. Dulles Intl
31h 35m
2 stops
SYD7:20 amSydney Kingsford Smith
May 20
SYD9:20 amSydney Kingsford Smith
39h 54m
2 stops
IAD11:14 amWashington, D.C. Dulles Intl
Air Canada
May 18
DCA9:40 amWashington, D.C. Reagan-National
31h 40m
2 stops
SYD7:20 amSydney Kingsford Smith
May 25
SYD9:20 amSydney Kingsford Smith
38h 59m
2 stops
DCA10:19 amWashington, D.C. Reagan-National
Air Canada
May 6
IAD9:45 amWashington, D.C. Dulles Intl
31h 35m
2 stops
SYD7:20 amSydney Kingsford Smith
May 20
SYD9:20 amSydney Kingsford Smith
39h 54m
3 stops
IAD11:14 amWashington, D.C. Dulles Intl

Fiji Airways flights from Washington, D.C. to Sydney

Our best Fiji Airways deals on Washington, D.C. to Sydney flight tickets
Fiji Airways
Apr 29
DCA7:01 pmWashington, D.C. Reagan-National
37h 09m
2 stops
SYD10:10 pmSydney Kingsford Smith
Aug 23
SYD1:45 pmSydney Kingsford Smith
23h 16m
2 stops
DCA11:01 pmWashington, D.C. Reagan-National
Fiji Airways
May 17
DCA7:07 pmWashington, D.C. Reagan-National
26h 38m
2 stops
SYD11:45 amSydney Kingsford Smith
May 24
SYD1:45 pmSydney Kingsford Smith
23h 19m
2 stops
DCA11:04 pmWashington, D.C. Reagan-National
Fiji Airways
Sep 30
DCA7:30 pmWashington, D.C. Reagan-National
26h 15m
2 stops
SYD11:45 amSydney Kingsford Smith
Oct 7
SYD2:15 pmSydney Kingsford Smith
23h 45m
2 stops
DCA11:00 pmWashington, D.C. Reagan-National

See travel insights to Sydney from

How to get the cheapest flight ticket from Washington, D.C. to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. and Sydney?

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Washington, D.C. to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $920. If you are unable to visit Sydney during the month of February, then departing from Washington, D.C. during the month April is also very affordable. Most momondo users find prices during this month for around $966.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Washington, D.C. to Sydney is on a Tuesday when prices can be found for as low as $1,353. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,485.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Washington, D.C. to Sydney at noon for as low as $1,219. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $1,464. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Washington, D.C. when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,608 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Washington, D.C. for as low as $1,286 on momondo.

How have Washington, D.C. to Sydney flight prices changed over time?

As of April 2025, prices for Washington, D.C. to Sydney flights are approximately 74% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Sydney (WAS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Sydney

Best Price Found

$463

Fastest flight time

21h 22m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Washington, D.C. in the past 72 hours is $463. The best round-trip flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $942.
The fastest flight from Washington, D.C. to Sydney takes 21h 22m
There are no direct flights from Washington, D.C. to Sydney. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Sydney Kingsford Smith Airport, Washington, D.C. Dulles Intl Airport - Sydney Kingsford Smith Airport and Baltimore/Washington Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Washington, D.C. to Sydney Kingsford Smith by plane?

    A flight from Washington, D.C. to Sydney Kingsford Smith will travel around 9755.6 mi. 21h 22m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Sydney Kingsford Smith Airport?

    Prices for flights from Washington, D.C. to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Washington, D.C. to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. to Sydney?


Best airlines flying from Washington, D.C. to Sydney

Compare and see reviews for airlines that fly from Washington, D.C. to Sydney with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $600Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $815Free CancellationRating
7.5
815 reviews
Search Qantas Airways flights
DeltaPriceFrom $848Free CancellationRating
8.0
7,897 reviews
Search Delta flights
Air CanadaPriceFrom $1,036Free CancellationRating
7.0
9,029 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,198Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
Air New ZealandPriceFrom $1,338Free CancellationRating
8.0
461 reviews
Search Air New Zealand flights
ANAPriceFrom $1,493Free CancellationRating
8.3
830 reviews
Search ANA flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Cronulla
Randwick
Wollongong
Katoomba
Lithgow
Manly
Penrith
Coogee
Charlestown
Swansea
Terrigal

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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