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Cheap flights from Washington, D.C. to Perth from $753

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
31 Mar — 7 Apr1
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 1 March 2026.

Tue 2/615:15
IAD
-
PER
2 stops36h 45m
Air New Zealand
Tue 28/719:50
PER
-
IAD
2 stops41h 05m
Air New Zealand
Deal found 28/2$2,094
Tue 2/617:59
DCA
-
PER
2 stops34h 01m
Air New Zealand
Tue 28/719:50
PER
-
DCA
2 stops38h 25m
Air New Zealand
Deal found 28/2$2,094
Sat 31/1019:50
DCA
-
PER
2 stops57h 00m
Air New Zealand
Sat 7/1123:50
PER
-
DCA
2 stops33h 45m
Air New Zealand
Deal found 25/2$2,106
Tue 2/607:00
BWI
-
PER
2 stops45h 00m
Air New Zealand
Tue 28/719:50
PER
-
BWI
2 stops47h 34m
Air New Zealand
Deal found 28/2$2,115
Sat 31/1022:10
IAD
-
PER
2 stops54h 40m
Air New Zealand
Sat 7/1123:50
PER
-
IAD
2 stops34h 22m
Air New Zealand
Deal found 25/2$2,117
Sat 31/1018:11
BWI
-
PER
2 stops41h 44m
Multiple Airlines
Fri 6/1101:15
PER
-
BWI
2 stops42h 06m
Multiple Airlines
Deal found 25/2$2,128
Sun 12/411:05
IAD
-
PER
2 stops30h 45m
Multiple Airlines
Sun 19/414:50
PER
-
IAD
2 stops37h 15m
Multiple Airlines
Deal found 26/2$2,191
Wed 28/1013:27
BWI
-
PER
2 stops40h 48m
Qantas Airways
Mon 9/1122:55
PER
-
BWI
2 stops36h 59m
Qantas Airways
Deal found 25/2$2,211
Wed 28/1013:27
BWI
-
PER
2 stops44h 23m
Qantas Airways
Sat 7/1110:20
PER
-
BWI
2 stops41h 10m
Qantas Airways
Deal found 25/2$2,215
Tue 24/1114:35
IAD
-
PER
2 stops44h 20m
Multiple Airlines
Mon 30/1110:30
PER
-
IAD
2 stops35h 35m
Multiple Airlines
Deal found 25/2$2,240
Tue 10/315:22
BWI
-
PER
2 stops37h 23m
Qantas Airways
Mon 23/317:45
PER
-
BWI
2 stops32h 47m
Qantas Airways
Deal found 27/2$2,280
Tue 10/315:35
IAD
-
PER
2 stops40h 00m
Multiple Airlines
Tue 17/307:35
PER
-
IAD
2 stops38h 30m
Multiple Airlines
Deal found 26/2$2,326

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 1 March 2026.

Round-trip from

$2,094

One-way from

$753

Popular in

December

Cheapest in

March

Average price

$1,643
Air New Zealand
  • Air New Zealand
  • 2/6-28/7
  • 4 total stops
  • 77h 50m total
  • Washington, D.C. to Perth
Search Deals
15/3
  • 15/3
  • 3 total stops
  • 36h 55m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($472 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($80 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 1 March 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

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 16/6

07:00-16:00

2 stops45h 00m

Perth

Tue 30/6

23:45-17:43

2 stops29h 58m

$2,367

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 12/4

08:30-16:00

2 stops43h 30m

Perth

Sun 19/4

16:25-22:28

2 stops42h 03m

$2,444

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 16/3

15:21-09:55

2 stops30h 34m

Perth

Wed 8/4

16:25-18:27

2 stops38h 02m

$2,447

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 16/6

17:59-22:15

2 stops40h 16m

Perth

Tue 30/6

14:35-16:47

2 stops38h 12m

$2,447

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/3

15:21-12:25

2 stops33h 04m

Perth

Thu 19/3

17:20-22:59

2 stops41h 39m

$2,496

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 2/6

19:10-13:35

2 stops30h 25m

Perth

Tue 28/7

23:55-19:22

2 stops31h 27m

$2,510

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

18:59-22:55

2 stops39h 56m

Perth

Wed 18/3

00:25-20:00

2 stops31h 35m

$2,651

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 12/4

19:17-13:35

2 stops30h 18m

Perth

Sun 19/4

23:45-23:09

2 stops35h 24m

$2,651

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 12/4

18:15-12:30

2 stops30h 15m

Perth

Sun 19/4

23:55-21:23

3 stops33h 28m

$2,701

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 13/4

18:15-12:30

2 stops30h 15m

Perth

Mon 20/4

23:55-21:23

3 stops33h 28m

$2,703

Flights are sorted by cheapest return flights first.

Deals found on 28/2

Showing 1-10 of 29 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?

    Air New Zealand, Qantas Airways, and Qatar Airways can get you from Washington, D.C. to Perth in just under 26h 55m. Your travel time can differ by up to 18h 05m. Washington, D.C. and Perth are separated by a distance of 18561 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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