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Perth

$826+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PER
Aug 4 — Aug 111
Tue 8/4
Tue 8/11
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 July 5, 2026.

This Expedia deal was found by Cheapflights users on 7/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 pm
IAD
-
PER
2 stops42h 25m
Multiple Airlines
Wed 11/182:35 pm
PER
-
IAD
2 stops42h 30m
Multiple Airlines
Deal found 7/2$1,478
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:55 pm
BWI
-
PER
2 stops31h 20m
American Airlines
Mon 8/2411:55 pm
PER
-
BWI
2 stops33h 39m
American Airlines
Deal found 7/2$1,493
This Orbitz deal was found by Cheapflights users on 7/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:10 pm
IAD
-
PER
2 stops45h 45m
Multiple Airlines
Mon 11/304:15 pm
PER
-
IAD
2 stops36h 40m
Multiple Airlines
Deal found 7/3$1,518
This KAYAK deal was found by Cheapflights users on 7/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:20 pm
IAD
-
PER
2 stops46h 30m
SWISS
Tue 11/108:30 am
PER
-
IAD
2 stops45h 15m
SWISS
Deal found 7/3$1,593
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Tue 8/188:00 am
BWI
-
PER
2 stops40h 30m
United Airlines
Tue 8/253:30 pm
PER
-
BWI
2 stops37h 05m
United Airlines
Deal found 7/4$1,600
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Mon 8/176:52 pm
BWI
-
PER
2 stops29h 38m
United Airlines
Mon 8/243:30 pm
PER
-
BWI
3 stops56h 15m
United Airlines
Deal found 7/2$1,606
This Ovago deal was found by Cheapflights users on 7/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:10 pm
IAD
-
PER
2 stops45h 45m
Multiple Airlines
Tue 1/129:25 am
PER
-
IAD
2 stops65h 45m
Multiple Airlines
Deal found 7/1$1,621
This KAYAK deal was found by Cheapflights users on 6/30. 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 8/125:25 pm
IAD
-
PER
2 stops50h 20m
Austrian Airlines
Tue 11/109:25 am
PER
-
IAD
2 stops41h 45m
Austrian Airlines
Deal found 6/30$1,623
This oojo deal was found by Cheapflights users on 7/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:23 pm
BWI
-
PER
2 stops35h 27m
Qantas Airways
Tue 1/1210:35 pm
PER
-
BWI
2 stops29h 14m
Qantas Airways
Deal found 7/1$1,631
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:57 pm
BWI
-
PER
2 stops31h 18m
Multiple Airlines
Fri 10/911:45 pm
PER
-
BWI
2 stops35h 09m
Multiple Airlines
Deal found 7/3$1,645
This SmartFares deal was found by Cheapflights users on 6/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:20 pm
BWI
-
PER
2 stops51h 55m
Qantas Airways
Sun 8/1611:55 pm
PER
-
BWI
2 stops35h 46m
Qantas Airways
Deal found 6/30$1,685
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 11/176:35 pm
BWI
-
PER
2 stops31h 10m
United Airlines
Tue 1/1211:45 pm
PER
-
BWI
2 stops34h 45m
United Airlines
Deal found 7/2$1,694

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 July 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,478
(Expedia)

One-way from

$826
(United Airlines)

Popular in

March

Cheapest in

June

Average price

$1,872
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. 9% potential increase in price ($250 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($115 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 5, 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

Tue 8/18

8:00 am-12:30 pm

2 stops40h 30m

Perth

Tue 8/25

3:30 pm-11:45 am

3 stops56h 15m

$1,619

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 11/17

3:23 pm-3:50 pm

2 stops35h 27m

Perth

Tue 1/12

10:35 pm-2:49 pm

2 stops29h 14m

$1,632

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 11/17

6:35 pm-2:45 pm

2 stops31h 10m

Perth

Tue 1/12

11:45 pm-9:30 pm

2 stops34h 45m

$1,694

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 11/22

3:23 pm-10:10 pm

2 stops41h 47m

Perth

Sun 11/29

10:35 pm-6:17 pm

2 stops32h 42m

$1,718

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 11/4

3:23 pm-10:10 pm

2 stops41h 47m

Perth

Sun 11/8

10:35 pm-6:17 pm

2 stops32h 42m

$1,752
Quickest round-trip

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 8/9

6:59 pm-2:05 pm

2 stops31h 06m

Perth

Sun 8/16

11:55 pm-4:35 pm

2 stops28h 40m

$1,761

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 11/4

5:03 pm-10:55 pm

2 stops40h 52m

Perth

Sat 11/7

12:25 am-10:32 pm

2 stops35h 07m

$1,888

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 8/10

11:10 am-12:25 pm

3 stops37h 15m

Perth

Mon 8/17

10:00 am-8:04 am

3 stops58h 04m

$1,927

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 10/5

9:00 pm-6:35 pm

1 stop33h 35m

Perth

Tue 10/27

10:45 pm-4:55 pm

1 stop30h 10m

$1,968

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 8/16

9:00 pm-6:35 pm

1 stop33h 35m

Perth

Tue 9/1

1:45 pm-3:40 pm

2 stops37h 55m

$2,064

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 32 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 July.
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

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 July 5, 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
1,057 reviews

Boarding

7.7

Comfort

7.4

Food

7.0

Entertainment

7.2

Crew

8.1

Overall

7.5

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
1,057 reviews
Qantas Airways
7.5
Good
1,057 reviews

Boarding

7.7

Comfort

7.4

Food

7.0

Entertainment

7.2

Crew

8.1

Overall

7.5

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 35h 27m. United Airlines provides one of the quickest options available for as low as $1,632. 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 $1,264, 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 44% 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. 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 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.

See more FAQs

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
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.
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 July 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,264Average$1,712FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$2,062Average$2,421FlexibilityNo cancel feeOn-time68%

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