How long is the flight from Washington, D.C. to Perth?

Cathay Pacific can get you from Washington, D.C. to Perth in just under 47h 42m. Your travel time can differ by up to . Washington, D.C. and Perth are separated by a distance of 18598 km.

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Perth, 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 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C).

What are the most popular routes from Washington, D.C. to Perth?

The most popular flight routes from Washington, D.C. to Perth are Baltimore/Washington - Perth, Washington, D.C. Reagan-National - Perth and Washington, D.C. Dulles Intl - Perth.

What is the cheapest time of day to fly from WAS to PER?

When flying from Washington, D.C. to Perth, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to Perth from Washington, D.C.?

Located just 10.2 km from the city centre, Perth is the airport most travellers will use when flying to Perth from Washington, D.C.. Booking flights from Washington, D.C. to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 0 different airlines.

Can I find deals for flights from Washington, D.C. to Perth that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Perth?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Perth.

Can I find deals for business class flights from Washington, D.C. to Perth?

Yes. Cheapflights offers flight deals from Washington, D.C. to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,178+ Cheap Flights from Washington, D.C. to Perth

Cheap flight deals from Washington, D.C. to Perth

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to Perth
Explore the most affordable flight options available from Washington, D.C. to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Tue 20/1007:45 -

2 stops35h 05m

Mon 26/1000:25 -

2 stops35h 34m

Deal found 29/9$2,192

Thu 12/1110:11 -

2 stops47h 44m

Wed 18/1100:25 -

2 stops33h 39m

Deal found 28/9$2,330

Sat 14/1117:05 -

2 stops40h 50m

Fri 20/1100:25 -

2 stops33h 39m

Deal found 30/9$2,335

Fri 13/1110:11 -

2 stops47h 44m

Thu 19/1100:25 -

2 stops33h 33m

Deal found 29/9$2,401

Sun 29/1106:00 -

2 stops27h 55m

Sun 6/1200:25 -

2 stops32h 35m

Deal found 29/9$2,552

Thu 15/1022:19 -

2 stops36h 21m

Tue 20/1000:10 -

2 stops33h 49m

Deal found 28/9$2,672

Wed 7/1013:06 -

2 stops29h 44m

Sun 25/1008:30 -

2 stops47h 29m

Deal found 28/9$2,707

Tue 1/1218:59 -

2 stops45h 26m

Tue 8/1213:50 -

2 stops41h 09m

Deal found 29/9$2,737

Wed 7/1013:06 -

2 stops29h 44m

Sun 18/1008:20 -

2 stops49h 39m

Deal found 29/9$2,784

Wed 28/1011:30 -

2 stops47h 25m

Wed 4/1117:15 -

3 stops39h 45m

Deal found 29/9$2,884

Wed 30/1209:30 -

2 stops40h 15m

Fri 22/113:50 -

2 stops43h 10m

Deal found 26/9$2,892

Find flight deals from Washington, D.C. to Perth

Round-trip from	$2,192
One-way from	$1,178
Popular in	December
Cheapest in	January
Average price	$3,573

20/10-26/10
4 total stops
70h 39m total
Washington, D.C. to Perth

Search Deals

21/11-31/12
2 total stops
32h 15m total
Washington, D.C. to Perth

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($130 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($90 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Sat 21/11

09:40-06:55

2 stops32h 15m

Perth

Wed 31/12

00:00-11:00

Nonstop0h 00m

$1,178

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Mon 23/11

21:58-06:55

2 stops43h 57m

Perth

Wed 31/12

00:00-11:00

Nonstop0h 00m

$1,220

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Mon 23/11

18:59-06:55

2 stops46h 56m

Perth

Wed 31/12

00:00-11:00

Nonstop0h 00m

$1,338

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Fri 20/11

06:59-06:55

2 stops34h 56m

Perth

Wed 31/12

00:00-11:00

Nonstop0h 00m

$1,507

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Thu 26/11

09:40-06:55

2 stops32h 15m

Perth

Wed 31/12

00:00-11:00

Nonstop0h 00m

$1,557

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Tue 20/10

07:45-06:50

2 stops35h 05m

Perth

Mon 26/10

00:25-23:59

2 stops35h 34m

$2,192

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Wed 28/10

17:35-22:55

2 stops41h 20m

Perth

Tue 3/11

00:25-20:52

2 stops33h 27m

$2,192

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Wed 17/2

10:13-22:55

2 stops47h 42m

Perth

Sun 7/3

08:30-18:03

2 stops46h 33m

$2,208

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Fri 9/10

17:35-07:15

2 stops49h 40m

Perth

Wed 31/12

00:00-11:00

Nonstop0h 00m

$2,312

Washington, D.C.Perth

DCA Washington, D.C. Reagan-National - PER Perth

DCAPER

Washington, D.C. Reagan-National

Thu 12/11

10:11-22:55

2 stops47h 44m

Perth

Wed 18/11

00:25-21:04

2 stops33h 39m

$2,330

Flights are sorted by cheapest return flights first.

Deals found on 27/9

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Washington, D.C. to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Washington, D.C. with our price prediction graph.

WAS-PER

DCA-PER

Estimated return 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. to Perth

WAS-PER

DCA-PER

How much does it cost for a return flight from Washington, D.C. to Perth?

Airfare is below average for this route at the moment.

Washington, D.C. to Perth flights typically cost between $2,666 and $2,998 in October.
The cheapest return price found within the last 5 days was $2,192 on Multiple Airlines (20 Oct–26 Oct).

Related info for your journey

What airport do you fly into for flights to Perth from Washington, D.C.?
Located just 10.2 km from the city centre, Perth is the airport most travellers will use when flying to Perth from Washington, D.C.. Booking flights from Washington, D.C. to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 0 different airlines.
How long is the flight from Washington, D.C. to Perth?
Cathay Pacific can get you from Washington, D.C. to Perth in just under 47h 42m. Your travel time can differ by up to . Washington, D.C. and Perth are separated by a distance of 18598 km.
What are the most popular routes from Washington, D.C. to Perth?
The most popular flight routes from Washington, D.C. to Perth are Baltimore/Washington - Perth, Washington, D.C. Reagan-National - Perth and Washington, D.C. Dulles Intl - Perth.
Can I find deals for flights from Washington, D.C. to Perth that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Perth flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Perth?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Perth.
Can I find deals for business class flights from Washington, D.C. to Perth?
Yes. Cheapflights offers flight deals from Washington, D.C. to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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How does Cheapflights help users find flights from Washington, D.C. to Perth?

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Can Cheapflights notify me if prices for flights from Washington, D.C. to Perth become cheaper?

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Cheap flights from Washington, D.C. to Perth from $1,178

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington, D.C. to Perth

Cheapest flights from Washington, D.C. to PerthExplore the most affordable flight options available from Washington, D.C. to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from Washington, D.C. to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Washington, D.C. to PerthDiscover carefully curated flight deals from Washington, D.C. to Perth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Washington, D.C. to Perth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Washington, D.C. to PerthDiscover last-minute flight deals from Washington, D.C. to Perth. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Perth. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Washington, D.C. to PerthSearch for one-way flight options from Washington, D.C. to Perth. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Washington, D.C. to Perth. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

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Best time to book a flight from Washington, D.C. to Perth

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Cheapflights Insights

How much does it cost for a return flight from Washington, D.C. to Perth?

Airfare is below average for this route at the moment.

Washington, D.C. to Perth flights typically cost between $2,666 and $2,998 in October.The cheapest return price found within the last 5 days was $2,192 on Multiple Airlines (20 Oct–26 Oct).

Related info for your journey

What airport do you fly into for flights to Perth from Washington, D.C.?

How long is the flight from Washington, D.C. to Perth?

What are the most popular routes from Washington, D.C. to Perth?

Can I find deals for flights from Washington, D.C. to Perth that include hotel bookings?

How can I find direct flights from Washington, D.C. to Perth?

Can I find deals for business class flights from Washington, D.C. to Perth?

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Washington, D.C. and Perth flights

Browse other Washington, D.C. and Perth flight options. Last updated on 30 September 2026.

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Cheapest flights from Washington, D.C. to Perth
Explore the most affordable flight options available from Washington, D.C. to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Washington, D.C. to Perth
Discover carefully curated flight deals from Washington, D.C. to Perth that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Washington, D.C. to Perth
Discover last-minute flight deals from Washington, D.C. to Perth. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Washington, D.C. to Perth
Search for one-way flight options from Washington, D.C. to Perth. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Washington, D.C. to Perth flights typically cost between $2,666 and $2,998 in October.
The cheapest return price found within the last 5 days was $2,192 on Multiple Airlines (20 Oct–26 Oct).