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Cheap flights from Washington, D.C. to Sydney from $414

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 4/29. 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

These are some of the best round-trip flight deals from Washington, D.C. to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.
5:30 pm - 9:00 amDCA-SYD
23h 30m1 stop
11:50 am - 10:59 pmSYD-DCA
26h 09m1 stop
$838Qantas Airways
Find Deal
jue., feb. 27 - vie., mar. 14
5:27 pm - 6:55 amIAD-SYD
23h 28m1 stop
12:10 pm - 10:41 pmSYD-IAD
24h 31m1 stop
$839Qantas Airways
Find Deal
vie., ago. 1 - sáb., ago. 23
5:27 pm - 6:55 amIAD-SYD
23h 28m1 stop
10:25 am - 4:26 pmSYD-IAD
20h 01m1 stop
$887American Airlines
Find Deal
dom., jul. 27 - dom., ago. 10
1:59 pm - 6:35 amIAD-SYD
26h 36m2 stops
10:25 am - 12:03 amSYD-IAD
27h 38m2 stops
$891American Airlines
Find Deal
lun., may. 5 - mié., may. 14
5:10 pm - 7:45 amDCA-SYD
23h 35m1 stop
9:25 am - 4:20 pmSYD-DCA
20h 55m1 stop
$930Delta
Find Deal
dom., mar. 16 - lun., sep. 22
1:35 pm - 7:45 amIAD-SYD
27h 10m2 stops
1:15 pm - 11:27 pmSYD-IAD
25h 12m2 stops
$934Delta
Find Deal
lun., mar. 10 - mar., mar. 18
5:20 pm - 7:20 amIAD-SYD
24h 00m1 stop
9:20 am - 7:44 amSYD-IAD
36h 24m2 stops
$1,052Air Canada
Find Deal
dom., jun. 8 - mar., jun. 17
6:00 am - 9:35 amDCA-SYD
35h 35m2 stops
10:20 am - 10:19 amSYD-DCA
38h 59m2 stops
$1,052Air Canada
Find Deal
mié., mar. 5 - mié., abr. 2
12:45 pm - 7:00 amBWI-SYD
27h 15m1 stop
11:20 am - 5:35 pmSYD-BWI
21h 15m1 stop
$1,375United Airlines
Find Deal
lun., mar. 10 - mié., mar. 26
4:02 pm - 9:05 amBWI-SYD
25h 03m2 stops
12:10 pm - 5:00 amSYD-BWI
31h 50m2 stops
$1,379United Airlines
Find Deal
mar., mar. 4 - dom., mar. 16

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

Our best Qantas Airways deals on Washington, D.C. to Sydney flight tickets
Qantas Airways
Feb 27
DCA5:30 pmWashington, D.C. Reagan-National
23h 30m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 14
SYD11:50 amSydney Kingsford Smith
26h 09m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
Qantas Airways
Aug 1
IAD5:27 pmWashington, D.C. Dulles Intl
23h 28m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 23
SYD12:10 pmSydney Kingsford Smith
24h 31m
1 stop
IAD10:41 pmWashington, D.C. Dulles Intl
Qantas Airways
Feb 13
DCA8:00 amWashington, D.C. Reagan-National
33h 00m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 20
SYD11:50 amSydney Kingsford Smith
25h 00m
1 stop
DCA8:50 pmWashington, D.C. Reagan-National

American Airlines flights from Washington, D.C. to Sydney

Our best American Airlines deals on Washington, D.C. to Sydney flight tickets
American Airlines
Feb 13
DCA2:39 pmWashington, D.C. Reagan-National
23h 56m
2 stops
SYD6:35 amSydney Kingsford Smith
Mar 6
SYD11:50 amSydney Kingsford Smith
25h 04m
1 stop
DCA8:54 pmWashington, D.C. Reagan-National
American Airlines
Jul 27
IAD5:27 pmWashington, D.C. Dulles Intl
23h 28m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 10
SYD10:25 amSydney Kingsford Smith
20h 01m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
American Airlines
May 5
IAD1:59 pmWashington, D.C. Dulles Intl
26h 36m
2 stops
SYD6:35 amSydney Kingsford Smith
May 14
SYD10:25 amSydney Kingsford Smith
27h 38m
2 stops
IAD12:03 amWashington, D.C. Dulles Intl

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 $984. If you are unable to visit Sydney during the month of February, then departing from Washington, D.C. during the month March is also very affordable. Most momondo users find prices during this month for around $1,040.

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 4 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,556 when searching 4 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 $1,260 on momondo.

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

As of February 2025, prices for Washington, D.C. to Sydney flights are approximately 35% 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

$414

Fastest flight time

21h 23m

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 $414. The best round-trip flight deal from Washington, D.C. to Sydney found on momondo in the last 72 hours is $838.
The fastest flight from Washington, D.C. to Sydney takes 21h 23m
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 23m 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
Alaska AirlinesPriceFrom $221Free CancellationRating
8.0
9,681 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $600Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $815Free CancellationRating
7.5
820 reviews
Search Qantas Airways flights
DeltaPriceFrom $848Free CancellationRating
8.0
8,427 reviews
Search Delta flights
United AirlinesPriceFrom $990Free CancellationRating
7.4
8,889 reviews
Search United Airlines flights
Air CanadaPriceFrom $1,023Free CancellationRating
7.0
8,651 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,340Free CancellationRating
7.9
479 reviews
Search Air New Zealand flights
ANAPriceFrom $1,554Free CancellationRating
8.4
837 reviews
Search ANA flights

Traveling to a place near Sydney?

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