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Cheap flights from Washington, D.C. to Perth from $2,280

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
24 May — 31 May1
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 24 April 2026.

Wed 3/609:12
IAD
-
PER
3 stops43h 48m
Multiple Airlines
Wed 10/610:35
PER
-
IAD
3 stops48h 47m
Multiple Airlines
Deal found 19/4$2,280
Tue 21/416:59
DCA
-
PER
2 stops30h 16m
Qantas Airways
Tue 28/423:45
PER
-
DCA
2 stops32h 15m
Qantas Airways
Deal found 20/4$2,323
Sun 20/909:30
DCA
-
PER
2 stops41h 10m
Multiple Airlines
Fri 2/1001:10
PER
-
DCA
2 stops32h 49m
Multiple Airlines
Deal found 23/4$2,341
Sun 6/1212:59
DCA
-
PER
2 stops29h 46m
Multiple Airlines
Sun 13/1214:30
PER
-
DCA
2 stops42h 30m
Multiple Airlines
Deal found 23/4$2,369
Tue 16/619:24
IAD
-
PER
2 stops30h 11m
Multiple Airlines
Tue 30/610:30
PER
-
IAD
2 stops30h 28m
Multiple Airlines
Deal found 23/4$2,377
Tue 13/1017:30
DCA
-
PER
2 stops35h 30m
Qantas Airways
Thu 22/1022:55
PER
-
DCA
2 stops34h 35m
Qantas Airways
Deal found 22/4$2,379
Tue 16/619:10
BWI
-
PER
2 stops33h 50m
Qantas Airways
Tue 30/623:45
PER
-
BWI
2 stops35h 59m
Qantas Airways
Deal found 23/4$2,380
Wed 21/1014:46
IAD
-
PER
2 stops38h 14m
Qantas Airways
Wed 10/314:30
PER
-
IAD
2 stops27h 30m
Qantas Airways
Deal found 19/4$2,386
Tue 16/618:55
DCA
-
PER
2 stops34h 05m
Qantas Airways
Tue 30/611:55
PER
-
DCA
2 stops45h 35m
Qantas Airways
Deal found 23/4$2,391
Mon 8/619:23
BWI
-
PER
2 stops28h 17m
United Airlines
Mon 15/623:45
PER
-
BWI
2 stops30h 12m
United Airlines
Deal found 24/4$2,419
Sun 20/918:41
IAD
-
PER
2 stops30h 54m
Qantas Airways
Sat 3/1006:15
PER
-
IAD
2 stops28h 32m
Qantas Airways
Deal found 23/4$2,428
Wed 11/1118:11
BWI
-
PER
2 stops46h 14m
Multiple Airlines
Mon 16/1106:40
PER
-
BWI
2 stops47h 56m
Multiple Airlines
Deal found 19/4$2,428

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 24 April 2026.

Round-trip from

$2,280

Popular in

October

Cheapest in

June

Average price

$3,084
3/6-10/6
  • 3/6-10/6
  • 6 total stops
  • 92h 35m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($184 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($56 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 24 April 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

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 3/6

09:12-17:00

3 stops43h 48m

Perth

Wed 10/6

10:35-23:22

3 stops48h 47m

$2,280

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 16/6

19:24-13:35

2 stops30h 11m

Perth

Tue 30/6

10:30-04:58

2 stops30h 28m

$2,377

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 20/9

19:10-13:35

2 stops30h 25m

Perth

Sat 3/10

14:35-19:27

2 stops40h 52m

$2,445

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 3/6

09:59-17:00

2 stops43h 01m

Perth

Wed 10/6

05:55-20:00

2 stops50h 05m

$2,499

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 7/6

15:03-12:30

3 stops33h 27m

Perth

Sun 14/6

23:55-17:43

2 stops29h 48m

$2,548

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 6/5

06:20-11:40

2 stops41h 20m

Perth

Sun 10/5

23:55-17:08

2 stops29h 13m

$2,558
Fastest return journey

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 8/8

18:59-14:40

2 stops31h 41m

Perth

Fri 21/8

23:55-16:31

2 stops28h 36m

$2,569

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 5/6

19:10-11:15

2 stops52h 05m

Perth

Fri 12/6

23:55-19:20

2 stops31h 25m

$2,579

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 6/5

09:59-14:40

2 stops40h 41m

Perth

Sun 10/5

16:25-22:55

2 stops42h 30m

$2,617

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 6/5

17:59-21:55

2 stops39h 56m

Perth

Sun 10/5

23:55-23:26

2 stops35h 31m

$2,627

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Showing 1-10 of 23 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

What is the cheapest month to book a flight from Washington, D.C. to Perth?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Perth (average of $1,672). Flying from Washington, D.C. to Perth in April is currently the most expensive (average of $3,084). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Malaysia Airlines can get you from Washington, D.C. to Perth in just under 30h 25m. Your travel time can differ by up to 9h 45m. 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 Baltimore/Washington - Perth, Washington, D.C. Dulles Intl - 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Perth?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Perth (average of $1,672). Flying from Washington, D.C. to Perth in April is currently the most expensive (average of $3,084). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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