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Cheap flights from Washington, D.C. to Perth from $899

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
28 Jun — 5 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 29 May 2026.

Fri 3/715:48
BWI
-
PER
2 stops37h 12m
Qantas Airways
Sat 18/706:15
PER
-
BWI
2 stops29h 44m
Qantas Airways
Deal found 27/5$2,169
Fri 3/717:11
DCA
-
PER
2 stops35h 49m
Qantas Airways
Sat 18/706:15
PER
-
DCA
2 stops27h 16m
Qantas Airways
Deal found 27/5$2,169
Tue 16/619:11
BWI
-
PER
2 stops33h 49m
Qantas Airways
Tue 30/623:55
PER
-
BWI
2 stops35h 49m
Qantas Airways
Deal found 27/5$2,179
Mon 1/614:59
BWI
-
PER
2 stops33h 16m
Qantas Airways
Wed 1/723:55
PER
-
BWI
2 stops31h 29m
Qantas Airways
Deal found 27/5$2,180
Tue 17/1115:23
BWI
-
PER
2 stops32h 02m
Qantas Airways
Tue 12/122:55
PER
-
BWI
2 stops37h 13m
Qantas Airways
Deal found 27/5$2,209
Sun 18/1014:46
IAD
-
PER
2 stops35h 39m
Qantas Airways
Sun 1/1122:55
PER
-
IAD
2 stops36h 37m
Qantas Airways
Deal found 27/5$2,211
Sun 1/1111:59
DCA
-
PER
2 stops33h 11m
Qantas Airways
Sun 15/1122:55
PER
-
DCA
2 stops32h 47m
Qantas Airways
Deal found 27/5$2,219
Tue 17/1117:00
DCA
-
PER
2 stops29h 15m
Qantas Airways
Tue 12/105:00
PER
-
DCA
2 stops27h 44m
Qantas Airways
Deal found 27/5$2,228
Thu 9/719:31
IAD
-
PER
2 stops33h 29m
Qantas Airways
Sat 25/706:15
PER
-
IAD
2 stops28h 23m
Qantas Airways
Deal found 27/5$2,249
Thu 30/719:31
IAD
-
PER
2 stops33h 29m
Qantas Airways
Fri 7/823:55
PER
-
IAD
2 stops30h 32m
Qantas Airways
Deal found 26/5$2,265
Sun 18/1008:19
DCA
-
PER
2 stops44h 41m
Qantas Airways
Sun 1/1122:55
PER
-
DCA
2 stops32h 47m
Qantas Airways
Deal found 27/5$2,267
Sun 18/1015:48
BWI
-
PER
2 stops32h 47m
American Airlines
Sun 1/1122:35
PER
-
BWI
2 stops32h 42m
American Airlines
Deal found 27/5$2,271

Find 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 29 May 2026.

Round-trip from

$2,169

One-way from

$899

Popular in

October

Cheapest in

June

Average price

$3,131
Qantas Airways
  • Qantas Airways
  • 3/7-18/7
  • 4 total stops
  • 66h 56m total
  • Washington, D.C. to Perth
Search Deals
6/9
  • 6/9
  • 3 total stops
  • 44h 35m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($436 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($65 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 29 May 2026.
Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 3/7

15:48-17:00

2 stops37h 12m

Perth

Sat 18/7

06:15-23:59

2 stops29h 44m

$2,169

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 17/11

15:23-12:25

2 stops32h 02m

Perth

Tue 12/1

22:55-23:08

2 stops37h 13m

$2,209
Fastest return journey

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 17/11

17:03-11:15

2 stops29h 12m

Perth

Tue 12/1

14:30-05:00

2 stops27h 30m

$2,377

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 9/7

19:31-13:35

2 stops30h 04m

Perth

Sat 25/7

06:15-22:38

2 stops28h 23m

$2,382

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 16/6

19:25-13:35

2 stops30h 10m

Perth

Tue 30/6

23:55-18:34

2 stops30h 39m

$2,470

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 18/6

07:00-12:30

2 stops41h 30m

Perth

Mon 20/7

22:40-17:57

2 stops31h 17m

$2,529

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 18/6

17:16-13:35

2 stops32h 19m

Perth

Mon 20/7

23:55-18:59

2 stops31h 04m

$2,562

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 9/7

18:01-15:25

2 stops33h 24m

Perth

Sat 25/7

06:15-22:59

2 stops28h 44m

$2,624

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 17/11

13:53-11:15

3 stops32h 22m

Perth

Tue 12/1

23:10-14:49

2 stops28h 39m

$2,631

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 3/7

18:59-14:40

2 stops31h 41m

Perth

Sat 18/7

16:45-11:47

3 stops55h 02m

$2,693

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 51 resultsSorted by cheapest first
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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?

    Qantas Airways, United Airlines, and SWISS can get you from Washington, D.C. to Perth in just under 37h 12m. Your travel time can differ by up to 9h 18m. 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, Baltimore/Washington - Perth and Washington, D.C. Reagan-National - 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
Fremantle
Scarborough
Rottnest Island
Mandurah

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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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