How long is the flight from Washington, D.C. Reagan-National Airport to Sydney?

Alaska Airlines and Air New Zealand can get you from Washington, D.C. Reagan-National Airport to Sydney in just under 27h 55m. Your travel time can differ by up to 6h 50m. The distance between Washington, D.C. Reagan-National Airport and Sydney is about 9758 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Sydney round-trip?

Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Sydney round-trip from $346. Other airlines that can offer you cheap pricing are Qantas Airways, from $815, and American Airlines, from $833. Users have found that United Airlines is 71% cheaper than the other options available to this destination.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Sydney?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Sydney flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to Sydney?

American Airlines, Delta and Qantas Airways are the most popular airlines when flying from Washington, D.C. Reagan-National Airport to Sydney.

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Sydney?

Flights from Washington, D.C. Reagan-National Airport to Sydney are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Sydney?

The best pricing can be found in the month of August. Prices to Sydney from Washington, D.C. Reagan-National Airport average $1,202. You can even find prices in August for less than $1,202, as users have found deals to Sydney from as low as $813. The month of December appears to be one of the more expensive times to travel to Sydney from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 53%.

What airport do you fly into for flights to Sydney from Washington, D.C. Reagan-National?

If you book a flight to Sydney from Washington, D.C. Reagan-National, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Washington, D.C. Reagan-National to Kingsford Smith per day from 4 different airlines.

Can I find deals for flights from Reagan-National to Sydney that include hotel bookings?

Yes. In addition to deals on Reagan-National to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Sydney.

Can I find deals for business class flights from Reagan-National to Sydney?

Yes. Cheapflights offers flight deals from Reagan-National to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$492+ Cheap Flights from Washington, D.C. Reagan-National Airport to Sydney

Q: How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Sydney?

Airfare is typical for this route at the moment. Washington, D.C. Reagan-National Airport to Sydney flights typically cost between $849 and $1,528 in January. The cheapest round-trip price found within the last 3 days was $1,154 on Alaska Airlines (Jan 19-Jan 29).

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Cheap flight deals from Reagan-National to Sydney

Round-trip from	$1,154 (Alaska Airlines)
One-way from	$492 (Kiwi.com)
Popular in	January
Cheapest in	March
Average price	$1,212

From Washington, D.C. Reagan-National to Sydney Kingsford Smith

Search Deals

One-way flight from Washington, D.C. Reagan-National to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($157 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Reagan-National to Sydney

Cheapest flights from Reagan-National to Sydney
Explore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Thu 11/278:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Tue 12/239:40 pmSYD - DCA

2 stops34h 27mAlaska Airlines

Deal found 9/11

$1,187

Thu 11/138:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Tue 11/189:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/10

$1,195

Sat 11/85:00 pmDCA - SYD

2 stops58h 45mAlaska Airlines

Tue 11/189:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/10

$1,205

Fri 11/75:00 pmDCA - SYD

2 stops34h 45mAlaska Airlines

Tue 11/189:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/10

$1,215

Tue 11/118:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Tue 11/189:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/10

$1,216

Thu 11/138:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Sun 11/169:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/9

$1,219

Mon 11/108:00 amDCA - SYD

2 stops67h 45mAlaska Airlines

Tue 11/189:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/10

$1,227

Sat 11/85:00 pmDCA - SYD

2 stops58h 45mAlaska Airlines

Sun 11/169:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/9

$1,228

Tue 11/118:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Sun 11/169:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/9

$1,238

Sun 11/98:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Tue 11/189:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/10

$1,241

Thu 11/138:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Thu 11/209:40 pmSYD - DCA

2 stops64h 19mAlaska Airlines

Deal found 9/10

$1,257

Sun 11/98:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Sun 11/169:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/9

$1,264

Best flights from Reagan-National to Sydney
Discover carefully curated flight deals from Reagan-National to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Wed 11/125:00 pmDCA - SYD

2 stops34h 45mAlaska Airlines

Tue 11/189:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/10

$1,215

Sun 11/212:50 pmDCA - SYD

2 stops27h 55mAir New Zealand

Mon 11/1711:45 amSYD - DCA

2 stops27h 59mAir New Zealand

Deal found 9/11

$1,286

Sun 2/2211:30 amDCA - SYD

3 stops31h 00mMultiple Airlines

Sun 3/19:55 amSYD - DCA

2 stops27h 00mMultiple Airlines

Deal found 9/11

$1,435

Sun 11/24:59 pmDCA - SYD

1 stop24h 01mQantas Airways

Mon 11/172:05 pmSYD - DCA

1 stop22h 54mQantas Airways

Deal found 9/11

$1,479

Thu 11/138:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Thu 11/209:40 pmSYD - DCA

2 stops64h 19mAlaska Airlines

Deal found 9/10

$1,257

Tue 11/118:00 amDCA - SYD

2 stops43h 45mAlaska Airlines

Thu 11/209:40 pmSYD - DCA

2 stops64h 19mAlaska Airlines

Deal found 9/10

$1,276

Sun 2/2212:40 pmDCA - SYD

2 stops28h 05mAir New Zealand

Sun 3/111:45 amSYD - DCA

2 stops28h 00mAir New Zealand

Deal found 9/11

$1,415

Mon 1/1912:00 pmDCA - SYD

3 stops28h 45mMultiple Airlines

Sun 2/111:45 amSYD - DCA

2 stops25h 10mMultiple Airlines

Deal found 9/11

$1,485

Tue 10/285:00 pmDCA - SYD

2 stops35h 45mAlaska Airlines

Sat 11/89:40 pmSYD - DCA

2 stops35h 13mAlaska Airlines

Deal found 9/11

$1,276

Mon 11/108:00 amDCA - SYD

2 stops67h 45mAlaska Airlines

Sat 11/159:40 pmSYD - DCA

2 stops40h 19mAlaska Airlines

Deal found 9/10

$1,297

Tue 11/116:58 pmDCA - SYD

2 stops32h 47mAlaska Airlines

Fri 11/149:40 pmSYD - DCA

2 stops38h 20mAlaska Airlines

Deal found 9/10

$1,344

Last-minute flights from Reagan-National to Sydney
Discover last-minute flight deals from Reagan-National to Sydney. Data last updated September 11, 2025 and is based on user searches.

Sat 9/207:35 pmDCA - SYD

2 stops36h 35mFiji Airways

Sat 10/46:00 amSYD - DCA

2 stops31h 00mFiji Airways

Deal found 9/10

$1,341

Sat 9/277:35 pmDCA - SYD

2 stops26h 10mFiji Airways

Sat 10/112:45 pmSYD - DCA

2 stops23h 15mFiji Airways

Deal found 9/10

$1,351

Sat 9/277:35 pmDCA - SYD

2 stops26h 10mFiji Airways

Sat 10/186:00 amSYD - DCA

2 stops32h 00mFiji Airways

Deal found 9/10

$1,359

Fri 10/176:00 amDCA - SYD

2 stops37h 35mAir New Zealand

Sat 11/87:15 pmSYD - DCA

2 stops41h 30mAir New Zealand

Deal found 9/10

$1,365

Fri 10/176:00 amDCA - SYD

2 stops35h 45mAir New Zealand

Sat 10/256:20 pmSYD - DCA

2 stops42h 49mAir New Zealand

Deal found 9/10

$1,366

Sat 10/257:02 pmDCA - SYD

2 stops26h 43mFiji Airways

Sat 11/86:00 amSYD - DCA

2 stops30h 59mFiji Airways

Deal found 9/10

$1,311

Tue 10/287:02 pmDCA - SYD

2 stops26h 43mFiji Airways

Sat 11/82:30 pmSYD - DCA

2 stops22h 29mFiji Airways

Deal found 9/11

$1,271

Tue 10/285:00 pmDCA - SYD

2 stops35h 45mAlaska Airlines

Sat 11/89:40 pmSYD - DCA

2 stops35h 13mAlaska Airlines

Deal found 9/11

$1,276

Fri 10/314:34 pmDCA - SYD

2 stops25h 11mAir New Zealand

Sun 11/169:55 amSYD - DCA

2 stops28h 14mAir New Zealand

Deal found 9/11

$1,334

Fri 10/314:34 pmDCA - SYD

2 stops25h 11mAir New Zealand

Sat 11/87:15 pmSYD - DCA

2 stops41h 30mAir New Zealand

Deal found 9/11

$1,355

One-way flights from Reagan-National to Sydney
Search for one-way flight options from Reagan-National to Sydney. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Mon 9/158:00 pmDCA - SYD

2 stops52h 40mMultiple Airlines

Deal found 9/10

$492

Mon 10/206:31 pmDCA - SYD

3 stops54h 09mMultiple Airlines

Deal found 9/11

$519

Mon 11/179:59 amDCA - SYD

3 stops59h 06mMultiple Airlines

Deal found 9/11

$578

Mon 11/106:00 pmDCA - SYD

3 stops48h 45mMultiple Airlines

Deal found 9/10

$610

Sun 11/168:00 amDCA - SYD

2 stops31h 25mMultiple Airlines

Deal found 9/11

$615

Thu 10/237:00 amDCA - SYD

3 stops32h 05mMultiple Airlines

Deal found 9/11

$624

Mon 11/38:00 amDCA - SYD

3 stops31h 25mMultiple Airlines

Deal found 9/10

$631

Cheapflights Fare Finder

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

Wed 11/12

5:00 pm-7:45 pm

2 stops34h 45m

Sydney Kingsford Smith

Tue 11/18

9:40 pm-9:59 pm

2 stops40h 19m

$1,215

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 11/13

8:00 am-7:45 pm

2 stops43h 45m

Sydney Kingsford Smith

Thu 11/20

9:40 pm-9:59 pm

2 stops64h 19m

$1,257

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 11/11

8:00 am-7:45 pm

2 stops43h 45m

Sydney Kingsford Smith

Thu 11/20

9:40 pm-9:59 pm

2 stops64h 19m

$1,276

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 10/28

5:00 pm-7:45 pm

2 stops35h 45m

Sydney Kingsford Smith

Sat 11/8

9:40 pm-4:53 pm

2 stops35h 13m

$1,276

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 11/2

12:50 pm-8:45 am

2 stops27h 55m

Sydney Kingsford Smith

Mon 11/17

11:45 am-11:44 pm

2 stops27h 59m

$1,286

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 11/10

8:00 am-7:45 pm

2 stops67h 45m

Sydney Kingsford Smith

Sat 11/15

9:40 pm-9:59 pm

2 stops40h 19m

$1,297

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 11/11

6:58 pm-7:45 pm

2 stops32h 47m

Sydney Kingsford Smith

Fri 11/14

9:40 pm-8:00 pm

2 stops38h 20m

$1,344

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/22

12:40 pm-8:45 am

2 stops28h 05m

Sydney Kingsford Smith

Sun 3/1

11:45 am-11:45 pm

2 stops28h 00m

$1,415

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/22

11:30 am-10:30 am

3 stops31h 00m

Sydney Kingsford Smith

Sun 3/1

9:55 am-8:55 pm

2 stops27h 00m

$1,435

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 11/2

4:59 pm-9:00 am

1 stop24h 01m

Sydney Kingsford Smith

Mon 11/17

2:05 pm-8:59 pm

1 stop22h 54m

$1,479

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results

Best time to book a flight from Reagan-National to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Reagan-National with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Sydney

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Sydney?

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 11 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,035). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $1,626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to SYD?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 40% on flights from Washington, D.C. Reagan-National Airport to Sydney by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Sydney?

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown Delta, Qantas Airways, and United Airlines from Washington, D.C. Reagan-National Airport to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,960 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Qantas Airways

7.5

Good

905 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,937 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,960 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Sydney from Washington, D.C. Reagan-National?
If you book a flight to Sydney from Washington, D.C. Reagan-National, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Washington, D.C. Reagan-National to Kingsford Smith per day from 4 different airlines.
How long is the flight from Washington, D.C. Reagan-National Airport to Sydney?
Alaska Airlines and Air New Zealand can get you from Washington, D.C. Reagan-National Airport to Sydney in just under 27h 55m. Your travel time can differ by up to 6h 50m. The distance between Washington, D.C. Reagan-National Airport and Sydney is about 9758 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Sydney round-trip?
Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Sydney round-trip from $346. Other airlines that can offer you cheap pricing are Qantas Airways, from $815, and American Airlines, from $833. Users have found that United Airlines is 71% cheaper than the other options available to this destination.
Can I find deals for flights from Reagan-National to Sydney that include hotel bookings?
Yes. In addition to deals on Reagan-National to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Sydney.
Can I find deals for business class flights from Reagan-National to Sydney?
Yes. Cheapflights offers flight deals from Reagan-National to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $1,035). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $1,626). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Other flights to Sydney

Top 4 airlines flying from Reagan-National to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$346	Average$1,818	FlexibilityNo cancel fee	On-time69%
Qantas Airways	Cheapest$815	Average$1,128	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$833	Average$925	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$848	Average$931	FlexibilityNo cancel fee	On-timeN/A

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$492+ Cheap flights from Reagan-National (DCA) to Sydney (SYD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Reagan-National to Sydney

Cheapest flights from Reagan-National to SydneyExplore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sydney that are best for you.

Best time to book a flight from Reagan-National to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Reagan-National with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Sydney

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Sydney?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?

What is the cheapest time of day to fly from DCA to SYD?

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Sydney?

Reviews of airlines servicing Sydney

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Washington, D.C. Reagan-National?

How long is the flight from Washington, D.C. Reagan-National Airport to Sydney?

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Sydney round-trip?

Can I find deals for flights from Reagan-National to Sydney that include hotel bookings?

How can I find direct flights from Reagan-National to Sydney?

Can I find deals for business class flights from Reagan-National to Sydney?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sydney?

Traveling to a place near Sydney?

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Alternative routes for Reagan-National to Sydney

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Top 4 airlines flying from Reagan-National to Sydney

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Cheapest flights from Reagan-National to Sydney
Explore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.