Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $898

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. Reagan-National Airport to Sydney departing on 31/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Fiji Airways Logo
17:10 - 21:50DCA-SYD
36h 40m2 stops
Fiji Airways Logo
14:10 - 23:00SYD-DCA
23h 50m2 stops
$1,722Fiji Airways
Find Deal
Tue, 24 Feb - Tue, 10 Mar
Fiji Airways Logo
17:08 - 12:30DCA-SYD
27h 22m2 stops
Fiji Airways Logo
14:10 - 20:57SYD-DCA
22h 47m2 stops
$1,765Fiji Airways
Find Deal
Tue, 3 Feb - Tue, 3 Mar
Alaska Airlines Logo
09:59 - 19:45DCA-SYD
41h 46m2 stops
Alaska Airlines Logo
21:40 - 21:55SYD-DCA
40h 15m2 stops
$1,879Alaska Airlines
Find Deal
Wed, 4 Feb - Tue, 3 Mar
Alaska Airlines Logo
09:59 - 19:45DCA-SYD
41h 46m2 stops
Alaska Airlines Logo
21:40 - 21:59SYD-DCA
40h 19m2 stops
$1,899Alaska Airlines
Find Deal
Wed, 12 Nov - Tue, 18 Nov
Multiple Airlines Logo
17:08 - 12:30DCA-SYD
27h 22m2 stops
Multiple Airlines Logo
14:10 - 20:57SYD-DCA
22h 47m2 stops
$1,961Multiple Airlines
Find Deal
Tue, 10 Feb - Tue, 17 Feb
Multiple Airlines Logo
16:59 - 12:30DCA-SYD
27h 31m2 stops
Multiple Airlines Logo
14:30 - 23:00SYD-DCA
24h 30m2 stops
$2,050Multiple Airlines
Find Deal
Sat, 8 Nov - Sat, 6 Dec
Air New Zealand Logo
12:40 - 10:35DCA-SYD
30h 55m2 stops
Air New Zealand Logo
11:50 - 22:08SYD-DCA
24h 18m2 stops
$2,060Air New Zealand
Find Deal
Wed, 1 Apr - Tue, 28 Apr
Air New Zealand Logo
14:51 - 10:30DCA-SYD
27h 39m2 stops
Air New Zealand Logo
07:45 - 23:44SYD-DCA
31h 59m2 stops
$2,097Air New Zealand
Find Deal
Fri, 14 Nov - Sun, 7 Dec
Air Canada Logo
11:05 - 09:35DCA-SYD
30h 30m2 stops
Air Canada Logo
11:20 - 21:56SYD-DCA
26h 36m2 stops
$2,114Air Canada
Find Deal
Mon, 9 Feb - Sun, 15 Feb
Air Canada Logo
11:05 - 09:35DCA-SYD
30h 30m3 stops
Air Canada Logo
11:20 - 21:56SYD-DCA
26h 36m2 stops
$2,123Air Canada
Find Deal
Mon, 9 Feb - Sun, 15 Feb

Fiji Airways flights from Washington, D.C. Reagan-National Airport to Sydney

Our best Fiji Airways deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
Fiji Airways
24 Feb
DCA17:10Washington, D.C. Reagan-National
36h 40m
2 stops
SYD21:50Sydney Kingsford Smith
10 Mar
SYD14:10Sydney Kingsford Smith
23h 50m
2 stops
DCA23:00Washington, D.C. Reagan-National
$1,722
Find similar
Fiji Airways
3 Feb
DCA17:08Washington, D.C. Reagan-National
27h 22m
2 stops
SYD12:30Sydney Kingsford Smith
3 Mar
SYD14:10Sydney Kingsford Smith
22h 47m
2 stops
DCA20:57Washington, D.C. Reagan-National
$1,765
Find similar
Fiji Airways
31 Jan
DCA16:59Washington, D.C. Reagan-National
27h 31m
2 stops
SYD12:30Sydney Kingsford Smith
5 Mar
SYD14:10Sydney Kingsford Smith
22h 47m
2 stops
DCA20:57Washington, D.C. Reagan-National
$1,836
Find similar

Alaska Airlines flights from Washington, D.C. Reagan-National Airport to Sydney

Our best Alaska Airlines deals on Washington, D.C. Reagan-National Airport to Sydney flight tickets
Alaska Airlines
4 Feb
DCA09:59Washington, D.C. Reagan-National
41h 46m
2 stops
SYD19:45Sydney Kingsford Smith
3 Mar
SYD21:40Sydney Kingsford Smith
40h 15m
2 stops
DCA21:55Washington, D.C. Reagan-National
$1,879
Find similar
Alaska Airlines
12 Nov
DCA09:59Washington, D.C. Reagan-National
41h 46m
2 stops
SYD19:45Sydney Kingsford Smith
18 Nov
SYD21:40Sydney Kingsford Smith
40h 19m
2 stops
DCA21:59Washington, D.C. Reagan-National
$1,899
Find similar
Alaska Airlines
1 Nov
DCA09:59Washington, D.C. Reagan-National
66h 46m
2 stops
SYD19:45Sydney Kingsford Smith
13 Nov
SYD21:40Sydney Kingsford Smith
40h 19m
2 stops
DCA21:59Washington, D.C. Reagan-National
$1,911
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Reagan-National Airport 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 12 October 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 24/2

17:10-21:50

2 stops36h 40m

Sydney Kingsford Smith

Tue 10/3

14:10-23:00

2 stops23h 50m

$1,722

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 3/2

17:08-12:30

2 stops27h 22m

Sydney Kingsford Smith

Tue 3/3

14:10-20:57

2 stops22h 47m

$1,765

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 4/2

09:59-19:45

2 stops41h 46m

Sydney Kingsford Smith

Tue 3/3

21:40-21:55

2 stops40h 15m

$1,879

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 12/11

09:59-19:45

2 stops41h 46m

Sydney Kingsford Smith

Tue 18/11

21:40-21:59

2 stops40h 19m

$1,899

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 10/2

17:08-12:30

2 stops27h 22m

Sydney Kingsford Smith

Tue 17/2

14:10-20:57

2 stops22h 47m

$1,961

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 8/11

16:59-12:30

2 stops27h 31m

Sydney Kingsford Smith

Sat 6/12

14:30-23:00

2 stops24h 30m

$2,050

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 1/4

12:40-10:35

2 stops30h 55m

Sydney Kingsford Smith

Tue 28/4

11:50-22:08

2 stops24h 18m

$2,060

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 14/11

14:51-10:30

2 stops27h 39m

Sydney Kingsford Smith

Sun 7/12

07:45-23:44

2 stops31h 59m

$2,097

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 9/2

11:05-09:35

2 stops30h 30m

Sydney Kingsford Smith

Sun 15/2

11:20-21:56

2 stops26h 36m

$2,114

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 9/2

11:05-09:35

3 stops30h 30m

Sydney Kingsford Smith

Sun 15/2

11:20-21:56

2 stops26h 36m

$2,123

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport and Sydney?

What is the cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from Washington, D.C. Reagan-National Airport, with most prices found around $1,333. If you aren’t able to travel to Sydney during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,338.

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 $2,126. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,373.

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 Washington, D.C. Reagan-National Airport to Sydney in the morning for as low as $2,154. 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 $2,987 on average. Flights to Sydney from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,853 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 Washington, D.C. Reagan-National Airport for as low as $1,299 on momondo.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Sydney flights?

You could potentially save up to 41% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Sydney flight.

When to book flights from Washington, D.C. Reagan-National Airport to Sydney

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

Cheap Washington, D.C. Reagan-National Airport to Sydney (DCA to SYD) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Sydney. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Sydney.
Search flight deals

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

    There are 15699.1 km between Washington, D.C. Reagan-National and Sydney Kingsford Smith. Typically, this will take 26h 00m by plane in normal conditions.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport 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.

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 Washington, D.C. to Sydney?

Finding the right flight to Sydney from Washington, D.C. 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 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?

Once you have performed a search for Washington, D.C. 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 Washington, D.C. to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. 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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 11/11
Tue 18/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia