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Cheap flights from Washington, D.C. to Perth from $1,555

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
6 May — 13 May1
1 adult

Cheap 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 2025.

Round-trip from

$2,191

One-way from

$1,555

Popular in

May

Cheapest in

March

Average price

$4,094
20/5-27/5
  • 20/5-27/5
  • 4 total stops
  • 84h 20m total
  • Washington, D.C. to Perth
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 8/10
  • 2 total stops
  • 60h 25m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($369 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($189 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Washington, D.C. to Perth

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 2025.

Wed 5/1117:16IAD - PER
2 stops41h 29mQantas Airways
Mon 29/1222:55PER - IAD
2 stops36h 19mQantas Airways
Deal found 30/4$2,076
Tue 20/511:00IAD - PER
2 stops44h 50mMultiple Airlines
Tue 27/505:10PER - IAD
2 stops39h 30mMultiple Airlines
Deal found 30/4$2,191
Wed 16/708:35IAD - PER
2 stops43h 25mAir New Zealand
Wed 30/719:50PER - IAD
2 stops41h 10mAir New Zealand
Deal found 30/4$2,546
Tue 20/507:15IAD - PER
2 stops51h 25mCathay Pacific
Mon 26/500:10PER - IAD
2 stops41h 45mCathay Pacific
Deal found 30/4$2,599
Fri 9/506:00DCA - PER
2 stops37h 45mCathay Pacific
Fri 16/500:10PER - DCA
2 stops32h 50mCathay Pacific
Deal found 30/4$2,688
Sun 1/617:25IAD - PER
2 stops57h 40mAustrian Airlines
Sun 15/616:20PER - IAD
2 stops34h 15mAustrian Airlines
Deal found 30/4$2,765
Thu 29/520:30BWI - PER
3 stops34h 10mMultiple Airlines
Thu 5/607:50PER - BWI
3 stops47h 49mMultiple Airlines
Deal found 30/4$2,942
Thu 1/521:00IAD - PER
1 stop33h 40mQatar Airways
Sun 4/522:45PER - IAD
1 stop28h 55mQatar Airways
Deal found 1/5$3,145
Wed 16/718:02BWI - PER
2 stops36h 43mAir New Zealand
Wed 30/719:50PER - BWI
2 stops38h 55mAir New Zealand
Deal found 30/4$3,214
Sun 15/614:53IAD - PER
2 stops35h 47mUnited Airlines
Sun 22/623:45PER - IAD
2 stops37h 00mUnited Airlines
Deal found 30/4$3,414
Sun 15/617:59DCA - PER
2 stops32h 41mUnited Airlines
Sun 22/623:45PER - DCA
2 stops33h 27mUnited Airlines
Deal found 30/4$3,414
Sun 15/619:00BWI - PER
2 stops31h 40mUnited Airlines
Sun 22/623:55PER - BWI
2 stops28h 59mUnited Airlines
Deal found 30/4$3,431

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 2025.
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

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 20/5

11:00-19:50

2 stops44h 50m

Perth

Tue 27/5

05:10-08:40

2 stops39h 30m

$2,191

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 16/7

08:35-16:00

2 stops43h 25m

Perth

Wed 30/7

19:50-01:00

2 stops41h 10m

$2,546

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 20/5

07:15-22:40

2 stops51h 25m

Perth

Mon 26/5

00:10-05:55

2 stops41h 45m

$2,599

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 1/6

17:25-15:05

2 stops57h 40m

Perth

Sun 15/6

16:20-14:35

2 stops34h 15m

$2,765

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 29/5

20:30-18:40

3 stops34h 10m

Perth

Thu 5/6

07:50-19:39

3 stops47h 49m

$2,942

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 16/7

18:02-18:45

2 stops36h 43m

Perth

Wed 30/7

19:50-22:45

2 stops38h 55m

$3,214

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 20/5

21:00-18:40

1 stop33h 40m

Perth

Tue 27/5

22:45-15:40

1 stop28h 55m

$3,226

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 20/5

11:40-07:45

2 stops56h 05m

Perth

Mon 26/5

00:10-22:15

2 stops34h 05m

$3,245

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 29/5

17:07-13:35

2 stops32h 28m

Perth

Thu 5/6

23:55-22:39

2 stops34h 44m

$3,345

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 15/6

14:53-14:40

2 stops35h 47m

Perth

Sun 22/6

23:45-00:45

2 stops37h 00m

$3,414

Flights are sorted by cheapest return flights first.

Deals found on 1/5

Showing 1-10 of 27 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

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

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Perth (average of $296). Flying from Washington, D.C. to Perth in December is currently the most expensive (average of $409). 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.

Rainfall in Perth by month

Plan your trip to Perth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

Temperature in Perth by month

Plan your trip to Perth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated 1 May 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, Emirates and Air New Zealand from Washington, D.C. to Perth to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,292 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Emirates
8.0
Very Good
3,217 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air New Zealand
8.0
Very Good
472 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Austrian Airlines
7.6
Good
781 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
855 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.

  • What are the cheapest airlines flying from Washington, D.C. to Perth round-trip?

    Cheapflights users have booked flights from Washington, D.C. to Perth round-trip from $2,546. Other airlines that can offer you cheap pricing are Cathay Pacific, from $2,599, and Austrian Airlines, from $2,765. Users have found that Air New Zealand is 8% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Perth one-way?

    The cheapest airline one-way is Philippine Airlines, with whom users have recently found tickets for as low as $1,555. However, be on the lookout for offers from Qantas Airways and Qatar Airways, as they are both options that can get you from Washington, D.C. to Perth for a low price.

  • 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.

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

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Perth (average of $296). Flying from Washington, D.C. to Perth in December is currently the most expensive (average of $409). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Mandurah
Scarborough
Fremantle
Rottnest Island

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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

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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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