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Cheap flights from Washington, D.C. to Perth from $1,015

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
4 Mar — 11 Mar1
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 2 February 2026.

Sun 19/411:00
IAD
-
PER
2 stops37h 55m
Multiple Airlines
Wed 29/418:05
PER
-
IAD
2 stops58h 00m
Multiple Airlines
Deal found 31/1$2,053
Sun 9/817:45
DCA
-
PER
2 stops64h 55m
Cathay Pacific
Sun 30/808:20
PER
-
DCA
2 stops47h 56m
Cathay Pacific
Deal found 31/1$2,159
Wed 4/306:45
DCA
-
PER
2 stops35h 10m
Multiple Airlines
Wed 18/300:25
PER
-
DCA
2 stops31h 35m
Multiple Airlines
Deal found 30/1$2,200
Mon 10/812:31
DCA
-
PER
2 stops46h 09m
Cathay Pacific
Sun 30/808:20
PER
-
DCA
2 stops47h 56m
Cathay Pacific
Deal found 31/1$2,220
Fri 9/1019:08
IAD
-
PER
2 stops39h 32m
Cathay Pacific
Sun 25/1000:25
PER
-
IAD
2 stops46h 26m
Cathay Pacific
Deal found 31/1$2,232
Wed 4/314:35
IAD
-
PER
2 stops44h 20m
Multiple Airlines
Thu 19/307:35
PER
-
IAD
2 stops38h 30m
Multiple Airlines
Deal found 30/1$2,253
Mon 9/215:41
BWI
-
PER
2 stops38h 49m
Qantas Airways
Mon 16/217:45
PER
-
BWI
2 stops42h 14m
Qantas Airways
Deal found 30/1$2,266
Wed 1/706:10
IAD
-
PER
2 stops36h 40m
Multiple Airlines
Sat 1/808:20
PER
-
IAD
2 stops32h 40m
Multiple Airlines
Deal found 31/1$2,268
Mon 2/314:35
IAD
-
PER
2 stops44h 20m
Multiple Airlines
Mon 9/310:30
PER
-
IAD
2 stops35h 35m
Multiple Airlines
Deal found 1/2$2,276
Sun 9/812:31
DCA
-
PER
2 stops46h 09m
Cathay Pacific
Sun 30/800:10
PER
-
DCA
2 stops32h 06m
Cathay Pacific
Deal found 31/1$2,292
Wed 18/316:59
DCA
-
PER
2 stops41h 56m
Multiple Airlines
Wed 25/308:30
PER
-
DCA
2 stops43h 29m
Multiple Airlines
Deal found 1/2$2,357
Mon 2/318:59
DCA
-
PER
2 stops45h 26m
Multiple Airlines
Mon 9/317:05
PER
-
DCA
2 stops40h 54m
Multiple Airlines
Deal found 1/2$2,364

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 2 February 2026.

Round-trip from

$2,053

One-way from

$1,015

Popular in

December

Cheapest in

August

Average price

$2,805
19/4-29/4
  • 19/4-29/4
  • 4 total stops
  • 95h 55m total
  • Washington, D.C. to Perth
Search Deals
6/7
  • 6/7
  • 3 total stops
  • 55h 55m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($310 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($103 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 2 February 2026.
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

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 4/3

06:45-06:55

2 stops35h 10m

Perth

Wed 18/3

00:25-20:00

2 stops31h 35m

$2,200

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 1/7

06:10-06:50

2 stops36h 40m

Perth

Sat 1/8

08:20-05:00

2 stops32h 40m

$2,268

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 2/3

14:35-23:55

2 stops44h 20m

Perth

Mon 9/3

10:30-10:05

2 stops35h 35m

$2,276

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 18/3

16:59-22:55

2 stops41h 56m

Perth

Wed 25/3

08:30-15:59

2 stops43h 29m

$2,357

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 2/3

18:59-05:25

2 stops45h 26m

Perth

Mon 9/3

17:05-21:59

2 stops40h 54m

$2,364

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 16/6

17:35-11:15

2 stops29h 40m

Perth

Tue 30/6

23:45-20:19

2 stops32h 34m

$2,374

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 4/3

09:35-22:55

2 stops48h 20m

Perth

Sun 8/3

08:30-17:55

2 stops46h 25m

$2,381

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 4/3

14:35-23:55

2 stops44h 20m

Perth

Thu 26/3

07:35-10:05

2 stops38h 30m

$2,419

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 16/6

06:10-06:50

2 stops36h 40m

Perth

Tue 30/6

08:20-05:00

2 stops32h 40m

$2,454

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 17/3

15:22-12:05

2 stops32h 43m

Perth

Tue 24/3

22:55-18:13

2 stops31h 18m

$2,473

Flights are sorted by cheapest return flights first.

Deals found on 30/1

Showing 1-10 of 50 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?

    American Airlines, Cathay Pacific, and Singapore Airlines can get you from Washington, D.C. to Perth in just under 29h 40m. Your travel time can differ by up to 18h 40m. Washington, D.C. and Perth are separated by a distance of 18598 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 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.

See more FAQs

Travelling to a place near Perth?

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