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Cheap flights from Washington, D.C. to Perth from $1,633

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
29 Apr — 6 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 24 April 2025.

Round-trip from

$2,425

One-way from

$1,633

Popular in

May

Cheapest in

March

Average price

$2,883
Cathay Pacific
  • Cathay Pacific
  • 21/10-10/11
  • 4 total stops
  • 76h 12m total
  • Washington, D.C. to Perth
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Qantas Airways
  • Qantas Airways
  • 8/10
  • 2 total stops
  • 36h 14m total
  • Washington, D.C. to Perth
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($370 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($189 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 24 April 2025.

Wed 5/1117:16IAD - PER
2 stops38h 49mQantas Airways
Mon 29/1222:55PER - IAD
2 stops36h 19mQantas Airways
Deal found 23/4$2,078
Tue 21/1017:31IAD - PER
2 stops41h 09mCathay Pacific
Mon 10/1100:15PER - IAD
2 stops35h 03mCathay Pacific
Deal found 23/4$2,425
Tue 21/1012:50IAD - PER
2 stops39h 10mAir New Zealand
Tue 11/1118:50PER - IAD
2 stops48h 55mAir New Zealand
Deal found 23/4$2,475
Tue 21/1006:30BWI - PER
2 stops45h 30mAir New Zealand
Tue 11/1118:50PER - BWI
2 stops58h 57mAir New Zealand
Deal found 23/4$2,528
Tue 21/1012:29DCA - PER
2 stops46h 11mCathay Pacific
Mon 10/1100:15PER - DCA
2 stops29h 10mCathay Pacific
Deal found 23/4$2,564
Fri 31/1018:55BWI - PER
2 stops55h 50mMultiple Airlines
Mon 10/1117:30PER - BWI
2 stops49h 15mMultiple Airlines
Deal found 22/4$2,571
Fri 6/613:30IAD - PER
2 stops47h 40mMultiple Airlines
Fri 13/615:50PER - IAD
2 stops55h 55mMultiple Airlines
Deal found 24/4$2,589
Tue 21/1009:30DCA - PER
2 stops41h 10mSingapore Airlines
Tue 11/1117:30PER - DCA
2 stops64h 25mSingapore Airlines
Deal found 23/4$2,614
Tue 9/916:47DCA - PER
2 stops35h 13mAir New Zealand
Thu 25/923:55PER - DCA
2 stops29h 01mAir New Zealand
Deal found 23/4$2,724
Mon 26/517:25IAD - PER
2 stops50h 20mAustrian Airlines
Mon 9/616:20PER - IAD
2 stops34h 15mAustrian Airlines
Deal found 23/4$2,735
Tue 9/919:25BWI - PER
2 stops48h 20mCathay Pacific
Wed 24/900:10PER - BWI
2 stops46h 47mCathay Pacific
Deal found 23/4$2,804
Tue 21/1019:28BWI - PER
2 stops31h 12mSingapore Airlines
Mon 10/1101:10PER - BWI
2 stops52h 37mSingapore Airlines
Deal found 23/4$2,982

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 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 21/10

17:31-22:40

2 stops41h 09m

Perth

Mon 10/11

00:15-22:18

2 stops35h 03m

$2,425

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 21/10

12:50-16:00

2 stops39h 10m

Perth

Tue 11/11

18:50-06:45

2 stops48h 55m

$2,475

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 21/10

06:30-16:00

2 stops45h 30m

Perth

Tue 11/11

18:50-16:47

2 stops58h 57m

$2,528

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 21/10

12:29-22:40

2 stops46h 11m

Perth

Mon 10/11

00:15-16:25

2 stops29h 10m

$2,564

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Fri 6/6

13:30-01:10

2 stops47h 40m

Perth

Fri 13/6

15:50-11:45

2 stops55h 55m

$2,589

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 21/10

09:30-14:40

2 stops41h 10m

Perth

Tue 11/11

17:30-20:55

2 stops64h 25m

$2,614

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Tue 9/9

16:47-16:00

2 stops35h 13m

Perth

Thu 25/9

23:55-16:56

2 stops29h 01m

$2,724

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 26/5

17:25-07:45

2 stops50h 20m

Perth

Mon 9/6

16:20-14:35

2 stops34h 15m

$2,735

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 9/9

19:25-07:45

2 stops48h 20m

Perth

Wed 24/9

00:10-10:57

2 stops46h 47m

$2,804

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 21/10

19:28-14:40

2 stops31h 12m

Perth

Mon 10/11

01:10-16:47

2 stops52h 37m

$2,982

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 31 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Perth (average of $298). 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 24 April 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
1,290 reviews
Check prices

Food

7.7

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,290 reviews
Singapore Airlines
8.1
Very Good
1,290 reviews
Check prices

Food

7.7

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.0
Very Good
3,206 reviews
Singapore Airlines
8.1
Very Good
1,290 reviews
Check prices

Food

7.7

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Air New Zealand
8.0
Very Good
469 reviews
Singapore Airlines
8.1
Very Good
1,290 reviews
Check prices

Food

7.7

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Austrian Airlines
7.6
Good
780 reviews
Singapore Airlines
8.1
Very Good
1,290 reviews
Check prices

Food

7.7

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.5
Good
850 reviews
Singapore Airlines
8.1
Very Good
1,290 reviews
Check prices

Food

7.7

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Boarding

8.2

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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 $2,425. Other airlines that can offer you cheap pricing are Air New Zealand, from $2,475, and Singapore Airlines, from $2,614. Users have found that Cathay Pacific is 12% 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 Qantas Airways, with whom users have recently found tickets for as low as $1,633. However, be on the lookout for offers from Qatar Airways and Air Canada, 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 Washington, D.C. Dulles Intl - Perth, Baltimore/Washington - 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Perth (average of $298). 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

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

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How does Cheapflights help users find flights from Washington, D.C. to Perth?

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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Perth?

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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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