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Perth

$714+ Cheap flights from Washington, D.C. (WAS) to Perth (PER)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$1,384
(CheapTickets)

One-way from

$737
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$2,088
From Washington, D.C. (WAS) to Perth
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One-way flight from Washington, D.C. (WAS) to Perth
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Highest demand for flights based on searches. 18% potential increase in price ($391 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This CheapTickets deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:10 pmIAD - PER
2 stops33h 30mMultiple Airlines
Sun 11/211:35 pmPER - IAD
2 stops49h 10mMultiple Airlines
Deal found 9/10$1,384
This Trip.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:10 pmIAD - PER
2 stops31h 40mMultiple Airlines
Wed 2/118:25 pmPER - IAD
2 stops56h 25mMultiple Airlines
Deal found 9/9$1,416
This Qantas Airways deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:07 pmBWI - PER
2 stops31h 58mQantas Airways
Wed 2/1110:40 pmPER - BWI
2 stops32h 31mQantas Airways
Deal found 9/9$1,565
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:45 pmDCA - PER
2 stops44h 10mCathay Pacific
Sun 11/28:30 amPER - DCA
2 stops51h 30mCathay Pacific
Deal found 9/11$1,580
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/233:07 pmBWI - PER
2 stops41h 08mQantas Airways
Sat 12/610:40 pmPER - BWI
2 stops28h 44mQantas Airways
Deal found 9/10$1,581
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:48 amIAD - PER
2 stops46h 02mAir New Zealand
Sat 11/811:50 pmPER - IAD
2 stops35h 23mAir New Zealand
Deal found 9/9$1,591
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:12 pmBWI - PER
2 stops47h 13mMultiple Airlines
Fri 10/311:50 pmPER - BWI
2 stops40h 26mMultiple Airlines
Deal found 9/9$1,633
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:30 amBWI - PER
2 stops43h 20mAir New Zealand
Wed 2/116:50 pmPER - BWI
2 stops49h 06mAir New Zealand
Deal found 9/9$1,639
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:37 pmIAD - PER
2 stops41h 13mCathay Pacific
Fri 11/712:15 amPER - IAD
2 stops35h 13mCathay Pacific
Deal found 9/9$1,672
This KAYAK deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:56 pmBWI - PER
2 stops35h 54mAir New Zealand
Tue 2/106:50 pmPER - BWI
2 stops40h 35mAir New Zealand
Deal found 9/9$1,686
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:30 amBWI - PER
2 stops39h 05mSingapore Airlines
Tue 2/101:15 amPER - BWI
3 stops33h 11mSingapore Airlines
Deal found 9/9$1,701
This KAYAK deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:25 pmIAD - PER
2 stops41h 55mAir New Zealand
Wed 2/116:50 pmPER - IAD
2 stops47h 51mAir New Zealand
Deal found 9/9$1,736

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 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

Sun 10/26

10:10 pm-7:40 pm

2 stops33h 30m

Perth

Sun 11/2

11:35 pm-11:45 am

2 stops49h 10m

$1,384

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 12/2

3:07 pm-6:15 pm

2 stops38h 08m

Perth

Thu 2/12

10:40 pm-6:11 pm

2 stops32h 31m

$1,565

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/4

3:17 pm-12:05 pm

2 stops31h 48m

Perth

Wed 2/11

10:40 pm-1:58 pm

2 stops28h 18m

$1,565

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 12/2

3:07 pm-11:50 pm

2 stops43h 43m

Perth

Tue 2/10

5:45 pm-1:57 pm

2 stops33h 12m

$1,565

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/4

3:17 pm-4:45 pm

2 stops36h 28m

Perth

Tue 2/10

10:40 pm-1:57 pm

2 stops28h 17m

$1,565

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/4

3:17 pm-12:05 pm

2 stops31h 48m

Perth

Thu 2/12

10:40 pm-6:11 pm

2 stops32h 31m

$1,565

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 10/26

10:45 pm-6:55 am

2 stops44h 10m

Perth

Sun 11/2

8:30 am-12:00 am

2 stops51h 30m

$1,580

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 12/3

10:40 am-4:50 am

2 stops29h 10m

Perth

Tue 2/10

3:35 am-3:55 pm

2 stops49h 20m

$1,586

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 2/22

11:30 am-10:50 pm

2 stops46h 20m

Perth

Wed 3/4

12:15 am-10:12 pm

2 stops34h 57m

$1,622

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 10/24

6:12 pm-5:25 am

2 stops47h 13m

Perth

Fri 10/31

1:50 pm-6:16 pm

2 stops40h 26m

$1,633

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 51 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 round-trip 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 time of day to fly from WAS to PER?

Find hourly flight availability from Washington, D.C. to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Washington, D.C. to Perth by exploring options for tickets in the afternoon.

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 September 11, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Perth, such as Qantas Airways, Qatar Airways, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
905 reviews

Overall

7.5

Comfort

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Qantas Airways
7.5
Good
905 reviews
Qantas Airways
7.5
Good
905 reviews

Overall

7.5

Comfort

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
Qatar Airways
7.4
Good
3,624 reviews
Qantas Airways
7.5
Good
905 reviews

Overall

7.5

Comfort

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.
American Airlines
7.2
Good
10,000 reviews
Qantas Airways
7.5
Good
905 reviews

Overall

7.5

Comfort

7.5

Boarding

7.7

Crew

8.2

Food

6.9

Entertainment

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

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.?

    Perth (PER), located 6.3 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Perth. 2 airlines have flights to Perth from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Perth should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

  • How long is the flight from Washington, D.C. to Perth?

    A quick flight from Washington, D.C. to Perth can take about 38h 08m. Qantas Airways provides one of the quickest options available for as low as $1,565. Airlines will cover a distance of 11562 mi. This flight may include one or multiple stops.

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

    Qantas Airways, at $1,097, was found to be the cheapest airline from Washington, D.C. to Perth. An alternate airline flying to your destination would be Qatar Airways. Users have found that Qantas Airways is 36% 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 airlines for a one-way flight from Washington, D.C. to Perth are Qantas Airways ($1,386), Cathay Pacific ($1,449), and Philippine Airlines ($1,813).

  • 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, Washington, D.C. Reagan-National - Perth and Baltimore/Washington - 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 vacation 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 $1,438). Flying from Washington, D.C. to Perth in December is currently the most expensive (average of $2,172). 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

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Fremantle
Rottnest Island
Scarborough

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.
Dulles Intl to Perth flights
Reagan-National to Perth flights

Top 2 airlines flying from Washington, D.C. to Perth

Discover the top 2 airlines that operate flights from Washington, D.C. to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,097Average$1,563FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,506Average$2,089FlexibilityNo cancel feeOn-time68%

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