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Perth

$663+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
1 adult, Economy
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Cheap 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 May 6, 2026.

This oojo deal was found by Cheapflights users on 5/2. 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 9/209:30 am
DCA
-
PER
2 stops41h 10m
Multiple Airlines
Fri 10/21:10 am
PER
-
DCA
2 stops32h 49m
Multiple Airlines
Deal found 5/2$1,675
This United Airlines deal was found by Cheapflights users on 5/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/93:03 pm
BWI
-
PER
3 stops33h 27m
United Airlines
Mon 8/1711:55 pm
PER
-
BWI
2 stops28h 36m
United Airlines
Deal found 5/2$1,743
This United Airlines deal was found by Cheapflights users on 5/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:59 pm
BWI
-
PER
2 stops29h 31m
United Airlines
Wed 6/103:30 pm
PER
-
BWI
2 stops51h 40m
United Airlines
Deal found 5/4$1,808
This KAYAK deal was found by Cheapflights users on 5/2. 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.
Fri 5/227:21 pm
BWI
-
PER
2 stops29h 09m
Multiple Airlines
Fri 5/2911:45 pm
PER
-
BWI
3 stops67h 25m
Multiple Airlines
Deal found 5/2$1,877
This oojo deal was found by Cheapflights users on 5/2. 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 8/95:22 pm
DCA
-
PER
2 stops49h 28m
Cathay Pacific
Mon 8/178:20 am
PER
-
DCA
2 stops51h 38m
Cathay Pacific
Deal found 5/2$1,920
This oojo deal was found by Cheapflights users on 5/2. 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 8/92:53 pm
IAD
-
PER
2 stops43h 47m
Cathay Pacific
Mon 8/178:20 am
PER
-
IAD
2 stops65h 43m
Cathay Pacific
Deal found 5/2$1,972
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:21 pm
BWI
-
PER
2 stops29h 09m
United Airlines
Sat 6/204:45 pm
PER
-
BWI
2 stops37h 12m
United Airlines
Deal found 5/3$1,972
This KAYAK deal was found by Cheapflights users on 5/2. 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.
Tue 6/239:45 am
IAD
-
PER
2 stops45h 25m
Air New Zealand
Tue 9/157:50 pm
PER
-
IAD
2 stops38h 46m
Air New Zealand
Deal found 5/2$1,995
This oojo deal was found by Cheapflights users on 5/2. 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 9/205:45 pm
BWI
-
PER
2 stops32h 55m
Singapore Airlines
Sat 10/31:45 pm
PER
-
BWI
2 stops38h 50m
Singapore Airlines
Deal found 5/2$1,996
This Malaysia Airlines deal was found by Cheapflights users on 5/1. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:00 pm
IAD
-
PER
2 stops40h 10m
Malaysia Airlines
Sat 5/92:10 am
PER
-
IAD
2 stops52h 10m
Malaysia Airlines
Deal found 5/1$2,007
This oojo deal was found by Cheapflights users on 5/2. 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 9/206:41 pm
IAD
-
PER
2 stops48h 09m
Cathay Pacific
Sat 10/38:20 am
PER
-
IAD
2 stops32h 40m
Cathay Pacific
Deal found 5/2$2,013
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/187:11 pm
BWI
-
PER
2 stops30h 24m
American Airlines
Mon 7/2011:55 pm
PER
-
BWI
2 stops31h 30m
American Airlines
Deal found 5/6$2,033

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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,675
(oojo)

One-way from

$663
(Kiwi.com)

Popular in

October

Cheapest in

June

Average price

$2,235
Provider with most accurate pricing for Washington, D.C. (WAS)-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Perth flights.
Search Deals
From Washington, D.C. (WAS) to Perth
Search Deals
One-way flight from Washington, D.C. (WAS) to Perth
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 May 6, 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 round-trip

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 8/9

6:38 am-2:40 pm

2 stops44h 02m

Perth

Mon 8/17

11:55 pm-4:31 pm

2 stops28h 36m

$1,750

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 6/3

6:59 pm-12:30 pm

2 stops29h 31m

Perth

Wed 6/10

3:30 pm-7:10 am

2 stops51h 40m

$1,808

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 5/22

7:21 pm-12:30 pm

2 stops29h 09m

Perth

Fri 5/29

11:45 pm-7:10 am

3 stops67h 25m

$1,877

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 6/6

7:21 pm-12:30 pm

2 stops29h 09m

Perth

Sat 6/20

4:45 pm-5:57 pm

2 stops37h 12m

$1,972
Quickest round-trip

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 5/22

7:21 pm-12:30 pm

2 stops29h 09m

Perth

Fri 5/29

11:55 pm-5:57 pm

2 stops30h 02m

$2,043

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 7/30

2:53 pm-10:15 pm

2 stops43h 22m

Perth

Mon 8/31

4:25 pm-9:27 pm

2 stops41h 02m

$2,058

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 9/20

6:59 pm-2:40 pm

2 stops31h 41m

Perth

Sat 10/3

10:40 pm-11:50 am

3 stops49h 10m

$2,075

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 6/16

7:00 am-4:00 pm

2 stops45h 00m

Perth

Tue 6/30

11:45 pm-5:43 pm

2 stops29h 58m

$2,132

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sun 9/20

1:00 pm-2:40 pm

3 stops37h 40m

Perth

Sat 10/3

10:40 pm-9:53 pm

2 stops35h 13m

$2,202

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 6/18

7:23 pm-1:35 pm

2 stops30h 12m

Perth

Sun 7/19

12:25 am-7:14 am

2 stops42h 49m

$2,237

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 56 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Perth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Perth in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Perth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Perth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 $1,195). Flying from Washington, D.C. to Perth in April is currently the most expensive (average of $2,204). 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 to fly round-trip from Washington, D.C. to Perth?

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 May 6, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to Perth, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,033 reviews

Boarding

7.7

Comfort

7.5

Overall

7.5

Crew

8.1

Entertainment

7.2

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
Qantas Airways
7.5
Good
1,033 reviews
Qantas Airways
7.5
Good
1,033 reviews

Boarding

7.7

Comfort

7.5

Overall

7.5

Crew

8.1

Entertainment

7.2

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.

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 29h 59m. United Airlines provides one of the quickest options available for as low as $2,306. Airlines will cover a distance of 11556 mi. This flight may include one or multiple stops.

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

    Qatar Airways, at $1,195, was found to be the cheapest airline from Washington, D.C. to Perth. An alternate airline flying to your destination would be Qantas Airways. Users have found that Qatar Airways is 46% cheaper than the other options available to this destination.

  • 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. Reagan-National - Perth, Baltimore/Washington - 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 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Perth (average of $1,195). Flying from Washington, D.C. to Perth in April is currently the most expensive (average of $2,204). 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
Rottnest Island
Scarborough

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,195Average$2,421FlexibilityNo cancel feeOn-time68%
Qantas AirwaysCheapest$1,264Average$1,674FlexibilityNo cancel feeOn-time74%

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