Cheap flights from District of Columbia to Sydney from $749

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 25/10. 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

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Cheap return flights

Multiple Airlines Logo
05:58 - 09:15IAD-SYD
35h 17m2 stops
Multiple Airlines Logo
11:50 - 23:55SYD-IAD
28h 05m2 stops
$1,521Multiple Airlines
Find Deal
Sat, 8 Nov - Sat, 15 Nov
Alaska Airlines Logo
18:55 - 19:45IAD-SYD
32h 50m2 stops
Alaska Airlines Logo
21:40 - 17:55SYD-IAD
36h 15m2 stops
$1,633Alaska Airlines
Find Deal
Fri, 23 Jan - Tue, 10 Feb
Alaska Airlines Logo
18:34 - 19:45IAD-SYD
57h 11m2 stops
Alaska Airlines Logo
21:40 - 17:55SYD-IAD
36h 15m2 stops
$1,638Alaska Airlines
Find Deal
Wed, 26 Nov - Fri, 30 Jan
Multiple Airlines Logo
06:15 - 08:05IAD-SYD
34h 50m2 stops
Multiple Airlines Logo
13:05 - 23:29SYD-IAD
25h 24m2 stops
$1,645Multiple Airlines
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Alaska Airlines Logo
07:38 - 19:45IAD-SYD
68h 07m2 stops
Alaska Airlines Logo
21:40 - 17:55SYD-IAD
36h 15m2 stops
$1,679Alaska Airlines
Find Deal
Wed, 26 Nov - Thu, 29 Jan
Alaska Airlines Logo
07:38 - 19:45IAD-SYD
44h 07m2 stops
Alaska Airlines Logo
21:40 - 17:55SYD-IAD
36h 15m2 stops
$1,680Alaska Airlines
Find Deal
Thu, 27 Nov - Tue, 27 Jan
Fiji Airways Logo
17:11 - 12:30DCA-SYD
27h 19m2 stops
Fiji Airways Logo
06:00 - 20:57SYD-DCA
30h 57m2 stops
$1,766Fiji Airways
Find Deal
Sat, 7 Feb - Sat, 28 Feb
Fiji Airways Logo
19:02 - 22:10DCA-SYD
36h 08m2 stops
Fiji Airways Logo
14:15 - 23:00SYD-DCA
23h 45m2 stops
$1,855Fiji Airways
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Air New Zealand Logo
12:51 - 08:45IAD-SYD
27h 54m2 stops
Air New Zealand Logo
13:55 - 00:24SYD-IAD
25h 29m2 stops
$1,971Air New Zealand
Find Deal
Wed, 25 Feb - Wed, 11 Mar
Air New Zealand Logo
12:51 - 08:45IAD-SYD
27h 54m2 stops
Air New Zealand Logo
11:45 - 21:12SYD-IAD
24h 27m2 stops
$1,973Air New Zealand
Find Deal
Wed, 25 Feb - Wed, 11 Mar

Alaska Airlines flights from District of Columbia to Sydney

Our best Alaska Airlines deals on District of Columbia to Sydney flight tickets
Alaska Airlines
23 Jan
IAD18:55Washington, D.C. Dulles Intl
32h 50m
2 stops
SYD19:45Sydney Kingsford Smith
10 Feb
SYD21:40Sydney Kingsford Smith
36h 15m
2 stops
IAD17:55Washington, D.C. Dulles Intl
Alaska Airlines
26 Nov
IAD18:34Washington, D.C. Dulles Intl
57h 11m
2 stops
SYD19:45Sydney Kingsford Smith
30 Jan
SYD21:40Sydney Kingsford Smith
36h 15m
2 stops
IAD17:55Washington, D.C. Dulles Intl
Alaska Airlines
26 Nov
IAD07:38Washington, D.C. Dulles Intl
68h 07m
2 stops
SYD19:45Sydney Kingsford Smith
29 Jan
SYD21:40Sydney Kingsford Smith
36h 15m
2 stops
IAD17:55Washington, D.C. Dulles Intl

Air New Zealand flights from District of Columbia to Sydney

Our best Air New Zealand deals on District of Columbia to Sydney flight tickets
Air New Zealand
25 Feb
IAD12:51Washington, D.C. Dulles Intl
27h 54m
2 stops
SYD08:45Sydney Kingsford Smith
11 Mar
SYD13:55Sydney Kingsford Smith
25h 29m
2 stops
IAD00:24Washington, D.C. Dulles Intl
Air New Zealand
25 Feb
IAD12:51Washington, D.C. Dulles Intl
27h 54m
2 stops
SYD08:45Sydney Kingsford Smith
11 Mar
SYD11:45Sydney Kingsford Smith
24h 27m
2 stops
IAD21:12Washington, D.C. Dulles Intl
Air New Zealand
2 Nov
DCA05:00Washington, D.C. Reagan-National
34h 45m
2 stops
SYD07:45Sydney Kingsford Smith
17 Nov
SYD11:45Sydney Kingsford Smith
27h 59m
2 stops
DCA23:44Washington, D.C. Reagan-National

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 26 September 2025.
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

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 8/11

05:58-09:15

2 stops35h 17m

Sydney Kingsford Smith

Sat 15/11

11:50-23:55

2 stops28h 05m

$1,521

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 23/1

18:55-19:45

2 stops32h 50m

Sydney Kingsford Smith

Tue 10/2

21:40-17:55

2 stops36h 15m

$1,633

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 26/11

18:34-19:45

2 stops57h 11m

Sydney Kingsford Smith

Fri 30/1

21:40-17:55

2 stops36h 15m

$1,638

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Fri 24/10

06:15-08:05

2 stops34h 50m

Sydney Kingsford Smith

Fri 31/10

13:05-23:29

2 stops25h 24m

$1,645

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 26/11

07:38-19:45

2 stops68h 07m

Sydney Kingsford Smith

Thu 29/1

21:40-17:55

2 stops36h 15m

$1,679

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 27/11

07:38-19:45

2 stops44h 07m

Sydney Kingsford Smith

Tue 27/1

21:40-17:55

2 stops36h 15m

$1,680

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 7/2

17:11-12:30

2 stops27h 19m

Sydney Kingsford Smith

Sat 28/2

06:00-20:57

2 stops30h 57m

$1,766

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 21/10

19:02-22:10

2 stops36h 08m

Sydney Kingsford Smith

Tue 28/10

14:15-23:00

2 stops23h 45m

$1,855

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 25/2

12:51-08:45

2 stops27h 54m

Sydney Kingsford Smith

Wed 11/3

13:55-00:24

2 stops25h 29m

$1,971

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 25/2

12:51-08:45

2 stops27h 54m

Sydney Kingsford Smith

Wed 11/3

11:45-21:12

2 stops24h 27m

$1,973

Flights are sorted by cheapest return 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?

The month of August is, on average, the cheapest month to fly to Sydney from District of Columbia, with most prices found around $1,312. If you aren’t able to travel to Sydney during the month of August, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,371.

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

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,097. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,341.

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 in the morning. momondo users have found flights departing from District of Columbia to Sydney in the morning for as low as $2,125. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,947 on average. Flights to Sydney from District of Columbia in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight 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 $2,020 when searching weeks before you fly. 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 $813 on momondo.

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

You could potentially save up to 14% 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

Direct flights

None
There are no direct flights from District of Columbia to Sydney. There are no popular flight routes 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 were last updated today.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
United AirlinesPriceFrom $2,207Free cancellationRating
7.4
8,926 reviews
Search United Airlines flights

Travelling to a place near Sydney?

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

Why use momondo?

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

Finding the right flight to Sydney from District of Columbia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Sydney from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for District of Columbia to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Sydney from District of Columbia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sun 26/10
Sun 2/11

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