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Cheap flights from Washington, D.C. to Perth from $1,007

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
31 May — 7 Jun1
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 May 2026.

Mon 2/1118:59
DCA
-
PER
2 stops45h 26m
Multiple Airlines
Mon 16/1113:50
PER
-
DCA
2 stops43h 10m
Multiple Airlines
Deal found 30/4$2,105
Sun 20/909:30
DCA
-
PER
2 stops41h 10m
Multiple Airlines
Fri 2/1001:10
PER
-
DCA
2 stops32h 49m
Multiple Airlines
Deal found 27/4$2,340
Mon 2/1118:11
BWI
-
PER
2 stops40h 44m
Multiple Airlines
Mon 16/1106:40
PER
-
BWI
2 stops47h 56m
Multiple Airlines
Deal found 30/4$2,351
Fri 30/1018:11
BWI
-
PER
2 stops47h 14m
Multiple Airlines
Thu 5/1101:15
PER
-
BWI
2 stops42h 06m
Multiple Airlines
Deal found 30/4$2,385
Wed 13/518:20
BWI
-
PER
2 stops32h 20m
United Airlines
Tue 16/615:30
PER
-
BWI
2 stops38h 13m
United Airlines
Deal found 29/4$2,426
Fri 30/1017:38
IAD
-
PER
2 stops47h 47m
Multiple Airlines
Thu 5/1101:15
PER
-
IAD
2 stops43h 13m
Multiple Airlines
Deal found 30/4$2,435
Wed 13/518:20
BWI
-
PER
2 stops32h 20m
United Airlines
Mon 15/623:45
PER
-
BWI
3 stops48h 02m
United Airlines
Deal found 29/4$2,445
Tue 12/506:20
BWI
-
PER
2 stops42h 10m
United Airlines
Tue 16/615:30
PER
-
BWI
2 stops38h 13m
United Airlines
Deal found 29/4$2,454
Tue 12/506:20
BWI
-
PER
2 stops42h 10m
United Airlines
Mon 15/623:45
PER
-
BWI
3 stops48h 02m
United Airlines
Deal found 29/4$2,474
Wed 13/517:25
IAD
-
PER
2 stops50h 20m
Austrian Airlines
Sat 13/609:20
PER
-
IAD
2 stops41h 15m
Austrian Airlines
Deal found 29/4$2,475
Wed 13/517:25
IAD
-
PER
2 stops50h 20m
Austrian Airlines
Wed 10/616:20
PER
-
IAD
2 stops34h 15m
Austrian Airlines
Deal found 29/4$2,482
Fri 30/1009:30
DCA
-
PER
2 stops39h 05m
Multiple Airlines
Fri 6/1113:50
PER
-
DCA
2 stops43h 10m
Multiple Airlines
Deal found 30/4$2,495

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 May 2026.

Round-trip from

$2,340

One-way from

$1,007

Popular in

October

Cheapest in

June

Average price

$3,122
20/9-2/10
  • 20/9-2/10
  • 4 total stops
  • 73h 59m total
  • Washington, D.C. to Perth
Search Deals
24/9
  • 24/9
  • 2 total stops
  • 54h 05m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($198 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($58 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 1 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

Wed 13/5

18:20-14:40

2 stops32h 20m

Perth

Thu 11/6

23:45-07:24

2 stops43h 39m

$2,506

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 17/5

06:20-12:30

2 stops42h 10m

Perth

Thu 11/6

23:45-07:24

2 stops43h 39m

$2,535

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 20/9

17:45-05:10

2 stops47h 25m

Perth

Fri 2/10

01:10-06:21

2 stops41h 11m

$2,548

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 28/5

15:00-12:30

3 stops33h 30m

Perth

Thu 4/6

23:45-18:09

2 stops30h 24m

$2,566

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 11/6

06:30-12:30

2 stops42h 00m

Perth

Thu 18/6

23:45-07:24

2 stops43h 39m

$2,605

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 8/6

19:23-11:40

2 stops28h 17m

Perth

Mon 22/6

23:55-11:47

3 stops47h 52m

$2,707

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 14/5

18:20-14:40

2 stops32h 20m

Perth

Sat 13/6

16:45-17:43

2 stops36h 58m

$2,745

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 6/6

19:23-12:30

2 stops29h 07m

Perth

Sat 20/6

16:45-17:57

2 stops37h 12m

$2,755

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 15/5

18:35-11:40

2 stops29h 05m

Perth

Sat 13/6

13:15-17:43

2 stops40h 28m

$2,878

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 6/9

18:59-14:40

2 stops31h 41m

Perth

Sun 20/9

23:45-11:45

3 stops48h 00m

$2,896

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 60 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 $1,669). Flying from Washington, D.C. to Perth in April is currently the most expensive (average of $3,079). 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?

    United Airlines and Air New Zealand can get you from Washington, D.C. to Perth in just under 28h 32m. Your travel time can differ by up to 3h 48m. 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. 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 $1,669). Flying from Washington, D.C. to Perth in April is currently the most expensive (average of $3,079). 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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