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Cheap flights from Washington, D.C. to Perth from $965

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Perth (PER). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 October 2025.

Round-trip from

$1,891

One-way from

$965

Popular in

October

Cheapest in

February

Average price

$3,874
1/12-7/12
  • 1/12-7/12
  • 4 total stops
  • 69h 05m total
  • Washington, D.C. to Perth
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15/11
  • 15/11
  • 3 total stops
  • 46h 40m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($1,072 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($166 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Washington, D.C. to Perth

Enter your travel dates to find the best prices.

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 31 October 2025.

Mon 1/1220:05IAD - PER
2 stops34h 40mMultiple Airlines
Sun 7/1218:30PER - IAD
2 stops34h 25mMultiple Airlines
Deal found 29/10$1,891
Sun 30/1110:40IAD - PER
2 stops37h 45mMultiple Airlines
Sat 13/1219:00PER - IAD
2 stops57h 55mMultiple Airlines
Deal found 28/10$2,089
Mon 1/1212:59DCA - PER
2 stops44h 56mCathay Pacific
Sun 7/1208:30PER - DCA
2 stops49h 14mCathay Pacific
Deal found 29/10$2,152
Tue 25/1112:35IAD - PER
3 stops42h 45mAir Canada
Thu 15/122:55PER - IAD
3 stops34h 31mAir Canada
Deal found 30/10$2,161
Fri 28/1110:40IAD - PER
2 stops29h 00mMultiple Airlines
Fri 5/1207:00PER - IAD
2 stops45h 55mMultiple Airlines
Deal found 29/10$2,196
Tue 25/1120:05IAD - PER
2 stops34h 40mMultiple Airlines
Thu 15/111:30PER - IAD
2 stops33h 50mMultiple Airlines
Deal found 30/10$2,400
Thu 13/1109:45DCA - PER
2 stops48h 10mCathay Pacific
Mon 17/1108:30PER - DCA
2 stops47h 14mCathay Pacific
Deal found 29/10$2,576
Tue 25/1115:07BWI - PER
2 stops32h 18mQantas Airways
Thu 15/122:40PER - BWI
2 stops29h 09mQantas Airways
Deal found 30/10$2,608
Mon 1/1206:00DCA - PER
2 stops35h 55mMultiple Airlines
Sat 6/1200:25PER - DCA
2 stops33h 19mMultiple Airlines
Deal found 29/10$2,669
Tue 30/1213:30IAD - PER
2 stops49h 45mMultiple Airlines
Mon 12/117:45PER - IAD
2 stops55h 00mMultiple Airlines
Deal found 30/10$2,686
Tue 25/1116:59DCA - PER
2 stops31h 11mQantas Airways
Thu 15/122:40PER - DCA
2 stops29h 17mQantas Airways
Deal found 30/10$2,724
Mon 1/1220:05IAD - PER
2 stops47h 15mQatar Airways
Sun 7/1222:45PER - IAD
1 stop30h 10mQatar Airways
Deal found 29/10$2,755

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Perth 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, Cheapflights users made 647,157 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

Washington, D.C.

Fly to

Perth

Route

Depart

Return

Price

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 1/12

20:05-19:45

2 stops34h 40m

Perth

Sun 7/12

18:30-15:55

2 stops34h 25m

$1,891

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 30/11

10:40-13:25

2 stops37h 45m

Perth

Sat 13/12

19:00-15:55

2 stops57h 55m

$2,089

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 1/12

12:59-22:55

2 stops44h 56m

Perth

Sun 7/12

08:30-20:44

2 stops49h 14m

$2,152

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 25/11

12:35-20:20

3 stops42h 45m

Perth

Thu 15/1

22:55-20:26

3 stops34h 31m

$2,161

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 13/11

09:45-22:55

2 stops48h 10m

Perth

Mon 17/11

08:30-18:44

2 stops47h 14m

$2,576

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Fri 28/11

17:03-22:55

2 stops40h 52m

Perth

Thu 4/12

00:25-21:18

2 stops33h 53m

$2,589

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 25/11

15:07-12:25

2 stops32h 18m

Perth

Thu 15/1

22:40-14:49

2 stops29h 09m

$2,608

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 28/1

17:26-06:55

2 stops48h 29m

Perth

Mon 23/2

00:25-22:51

2 stops35h 26m

$2,613

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 28/1

18:42-06:55

2 stops47h 13m

Perth

Mon 23/2

00:25-18:59

2 stops31h 34m

$2,613

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 1/12

06:00-06:55

2 stops35h 55m

Perth

Sat 6/12

00:25-20:44

2 stops33h 19m

$2,669

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 38 results
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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.
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

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

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Perth. 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 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, Air Canada, and Qantas Airways can get you from Washington, D.C. to Perth in just under 32h 18m. Your travel time can differ by up to 12h 38m. Washington, D.C. and Perth are separated by a distance of 18607 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

See more FAQs

Travelling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Scarborough
Mandurah
Fremantle
Rottnest Island

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Perth

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Perth flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Perth. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Perth?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Washington, D.C. to Perth for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Washington, D.C. to Perth with no change fees?

Need flexible booking options for your flight to Perth from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Washington, D.C. to Perth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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