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Cheap flights from District of Columbia to Sydney from $626

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Sydney departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:05 am - 10:25 pm
IAD
-
SYD
45h 20m
3 stops
Multiple Airlines Logo
1:15 pm - 7:09 pm
SYD
-
IAD
43h 54m
3 stops
$1,133Multiple Airlines
Tue, Sep 1 - Mon, Sep 14
Multiple Airlines Logo
10:45 am - 11:50 am
IAD
-
SYD
35h 05m
3 stops
Multiple Airlines Logo
1:15 pm - 7:09 pm
SYD
-
IAD
43h 54m
3 stops
$1,134Multiple Airlines
Mon, Aug 31 - Wed, Sep 16
Qantas Airways Logo
5:35 pm - 7:05 am
DCA
-
SYD
23h 30m
1 stop
Qantas Airways Logo
12:00 pm - 10:58 pm
SYD
-
DCA
24h 58m
1 stop
$1,209Qantas Airways
Wed, Aug 19 - Wed, Aug 26
Qantas Airways Logo
6:38 pm - 6:55 am
IAD
-
SYD
22h 17m
1 stop
Qantas Airways Logo
12:00 pm - 10:52 pm
SYD
-
IAD
24h 52m
1 stop
$1,210Qantas Airways
Sun, Aug 9 - Sun, Aug 23
Qantas Airways Logo
2:53 pm - 6:55 am
IAD
-
SYD
26h 02m
1 stop
Qantas Airways Logo
12:00 pm - 6:27 pm
SYD
-
IAD
20h 27m
1 stop
$1,211Qantas Airways
Mon, Aug 10 - Wed, Aug 19
Multiple Airlines Logo
11:05 am - 11:50 am
IAD
-
SYD
34h 45m
3 stops
Multiple Airlines Logo
6:15 am - 7:09 pm
SYD
-
IAD
50h 54m
3 stops
$1,223Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Qantas Airways Logo
11:59 am - 6:55 am
DCA
-
SYD
28h 56m
1 stop
Qantas Airways Logo
12:00 pm - 7:14 pm
SYD
-
DCA
21h 14m
1 stop
$1,223Qantas Airways
Wed, Aug 19 - Wed, Aug 26
United Airlines Logo
1:04 pm - 6:55 am
DCA
-
SYD
27h 51m
2 stops
United Airlines Logo
10:20 am - 4:43 pm
SYD
-
DCA
20h 23m
1 stop
$1,245United Airlines
Wed, Aug 19 - Wed, Aug 26
Air New Zealand Logo
5:45 pm - 8:45 am
DCA
-
SYD
25h 00m
2 stops
Air New Zealand Logo
11:55 am - 10:13 pm
SYD
-
DCA
24h 18m
2 stops
$1,266Air New Zealand
Wed, Aug 19 - Wed, Aug 26
Air New Zealand Logo
5:45 pm - 8:45 am
DCA
-
SYD
25h 00m
2 stops
Air New Zealand Logo
9:55 am - 10:13 pm
SYD
-
DCA
26h 18m
2 stops
$1,268Air New Zealand
Wed, Aug 19 - Wed, Aug 26

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Qantas Airways flights from District of Columbia to Sydney

Our best Qantas Airways deals on District of Columbia to Sydney flight tickets
Qantas Airways
Aug 3
IAD7:31 pmWashington, D.C. Dulles Intl
21h 24m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 2
SYD12:00 pmSydney Kingsford Smith
20h 27m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$1,210
Qantas Airways
Aug 10
IAD2:53 pmWashington, D.C. Dulles Intl
26h 02m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 19
SYD12:00 pmSydney Kingsford Smith
20h 27m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$1,211
Qantas Airways
Aug 3
DCA6:01 pmWashington, D.C. Reagan-National
23h 04m
1 stop
SYD7:05 amSydney Kingsford Smith
Aug 17
SYD12:00 pmSydney Kingsford Smith
24h 58m
1 stop
DCA10:58 pmWashington, D.C. Reagan-National
$1,237

United Airlines flights from District of Columbia to Sydney

Our best United Airlines deals on District of Columbia to Sydney flight tickets
United Airlines
Aug 19
IAD3:40 pmWashington, D.C. Dulles Intl
25h 15m
2 stops
SYD6:55 amSydney Kingsford Smith
Aug 26
SYD9:30 amSydney Kingsford Smith
20h 53m
1 stop
IAD4:23 pmWashington, D.C. Dulles Intl
$1,245
United Airlines
Aug 19
IAD4:15 pmWashington, D.C. Dulles Intl
24h 45m
2 stops
SYD7:00 amSydney Kingsford Smith
Aug 26
SYD10:20 amSydney Kingsford Smith
23h 03m
2 stops
IAD7:23 pmWashington, D.C. Dulles Intl
$1,250

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Sydney 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, momondo users made 832,500 searches. Data last updated July 21, 2026.
Use the filters below to find and compare flights from District of Columbia to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 9/1

11:05 am-10:25 pm

3 stops45h 20m

Sydney Kingsford Smith

Mon 9/14

1:15 pm-7:09 pm

3 stops43h 54m

$1,133

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 8/31

10:45 am-11:50 am

3 stops35h 05m

Sydney Kingsford Smith

Wed 9/16

1:15 pm-7:09 pm

3 stops43h 54m

$1,134

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 8/19

5:35 pm-7:05 am

1 stop23h 30m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-10:58 pm

1 stop24h 58m

$1,209

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 8/9

6:38 pm-6:55 am

1 stop22h 17m

Sydney Kingsford Smith

Sun 8/23

12:00 pm-10:52 pm

1 stop24h 52m

$1,210
Quickest round-trip

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 8/10

2:53 pm-6:55 am

1 stop26h 02m

Sydney Kingsford Smith

Wed 8/19

12:00 pm-6:27 pm

1 stop20h 27m

$1,211

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 9/1

11:05 am-11:50 am

3 stops34h 45m

Sydney Kingsford Smith

Tue 9/8

6:15 am-7:09 pm

3 stops50h 54m

$1,223

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 8/19

11:59 am-6:55 am

1 stop28h 56m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-7:14 pm

1 stop21h 14m

$1,223

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 8/19

1:04 pm-6:55 am

2 stops27h 51m

Sydney Kingsford Smith

Wed 8/26

10:20 am-4:43 pm

1 stop20h 23m

$1,245

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 8/19

5:45 pm-8:45 am

2 stops25h 00m

Sydney Kingsford Smith

Wed 8/26

11:55 am-10:13 pm

2 stops24h 18m

$1,266

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 8/19

5:45 pm-8:45 am

2 stops25h 00m

Sydney Kingsford Smith

Wed 8/26

9:55 am-10:13 pm

2 stops26h 18m

$1,268

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from District of Columbia 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 cheapest month to fly to Sydney?

In general, November is the cheapest month to fly from District of Columbia to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,296. If you are unable to visit Sydney during the month of November, then departing from District of Columbia during the month February is also very affordable. Most momondo users find prices during this month for around $1,347.

How far in advance should I book a flight from District of Columbia to Sydney?

You are more likely to see cheaper flights to Sydney from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,623 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from District of Columbia for as low as $1,118 on momondo.

Can stopping save me money on District of Columbia to Sydney flights?

You could potentially save up to 47% on your flight if you consider stops on a District of Columbia to Sydney flight.

Cheap District of Columbia to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Sydney

Fastest flight time

21h 24m

Direct flights

None
The fastest flight from District of Columbia to Sydney takes 21h 24m
There are no direct flights from District of Columbia to Sydney. There are no popular flight routes from District of Columbia to Sydney.
Search flight deals

Frequently asked questions about flying from District of Columbia to Sydney

  • When did momondo last update prices for flights from District of Columbia to Sydney Kingsford Smith Airport?

    Prices for flights from District of Columbia to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from District of Columbia to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from District of Columbia 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 District of Columbia 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.

Best airlines flying from District of Columbia to Sydney

Compare and see reviews for airlines that fly from District of Columbia to Sydney with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $282Free CancellationRating
7.8
8,475 reviews
Search Delta flights
United AirlinesPriceFrom $337Free CancellationRating
7.4
10,013 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $787Free CancellationRating
7.5
1,066 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $836Free CancellationRating
7.1
11,832 reviews
Search American Airlines flights
Air CanadaPriceFrom $841Free CancellationRating
7.1
11,361 reviews
Search Air Canada flights
Air New ZealandPriceFrom $1,285Free CancellationRating
8.0
654 reviews
Search Air New Zealand flights

Traveling to a place near Sydney?

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

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to Sydney. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from District of Columbia to Sydney with flexible booking policies on momondo?

All flight searches from District of Columbia to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Sydney.

I’m not ready to book a flight from District of Columbia to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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