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Perth

$659+ Cheap flights from Dulles Intl (IAD) 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PER
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap flight deals from Dulles Intl to Perth

Cheapest flights from Dulles Intl to Perth
Explore the most affordable flight options available from Dulles Intl to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This Trip.com deal was found by Cheapflights users on 7/24. 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.
Mon 9/73:10 pm
IAD
-
PER
3 stops49h 10m
Multiple Airlines
Mon 9/149:55 am
PER
-
IAD
3 stops59h 50m
Multiple Airlines
Deal found 7/24$1,214
This Qatar Airways deal was found by Cheapflights users on 7/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:00 pm
IAD
-
PER
1 stop33h 35m
Qatar Airways
Tue 9/151:45 pm
PER
-
IAD
2 stops37h 55m
Qatar Airways
Deal found 7/26$1,357
This Qatar Airways deal was found by Cheapflights users on 7/24. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:05 pm
IAD
-
PER
2 stops36h 05m
Qatar Airways
Mon 11/910:45 pm
PER
-
IAD
1 stop30h 10m
Qatar Airways
Deal found 7/24$1,407
This oojo deal was found by Cheapflights users on 7/26. 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 9/82:53 pm
IAD
-
PER
2 stops34h 42m
Qantas Airways
Tue 9/1511:55 pm
PER
-
IAD
2 stops32h 29m
Qantas Airways
Deal found 7/26$1,428
This Qatar Airways deal was found by Cheapflights users on 7/24. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:00 pm
IAD
-
PER
1 stop33h 35m
Qatar Airways
Mon 9/141:45 pm
PER
-
IAD
2 stops37h 55m
Qatar Airways
Deal found 7/24$1,443
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:20 pm
IAD
-
PER
2 stops45h 25m
Multiple Airlines
Tue 9/159:20 am
PER
-
IAD
2 stops40h 40m
Multiple Airlines
Deal found 7/27$1,447
This oojo deal was found by Cheapflights users on 7/23. 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 10/203:08 pm
IAD
-
PER
2 stops35h 17m
Qantas Airways
Thu 11/511:45 pm
PER
-
IAD
2 stops31h 34m
Qantas Airways
Deal found 7/23$1,477
This Qatar Airways deal was found by Cheapflights users on 7/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:00 pm
IAD
-
PER
1 stop33h 35m
Qatar Airways
Wed 9/167:30 am
PER
-
IAD
2 stops37h 15m
Qatar Airways
Deal found 7/26$1,483
This Qantas Airways deal was found by Cheapflights users on 7/26. 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.
Wed 11/44:39 pm
IAD
-
PER
2 stops35h 46m
Qantas Airways
Sun 11/151:35 pm
PER
-
IAD
2 stops41h 44m
Qantas Airways
Deal found 7/26$1,502

Find flight deals from Dulles Intl to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,214
(Trip.com)

One-way from

$659
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$1,872
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Perth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Perth flights.
Search Deals
From Washington, D.C. Dulles Intl to Perth
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Perth
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($309 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($121 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 Dulles Intl 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 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 9/6

9:00 pm-6:35 pm

1 stop33h 35m

Perth

Sun 9/13

2:20 pm-3:40 pm

2 stops37h 20m

$1,542

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 9/8

7:00 am-6:50 am

2 stops35h 50m

Perth

Mon 9/14

12:10 am-5:40 am

2 stops41h 30m

$1,664

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Fri 11/6

6:20 pm-2:45 pm

2 stops31h 25m

Perth

Sat 11/21

3:45 pm-7:01 pm

2 stops40h 16m

$1,703

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

$1,784

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 10/7

10:10 pm-2:40 pm

2 stops52h 30m

Perth

Wed 10/28

10:55 pm-6:20 pm

2 stops31h 25m

$1,837

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 9/10

9:00 pm-1:10 am

2 stops40h 10m

Perth

Mon 9/14

3:50 pm-3:40 pm

2 stops35h 50m

$2,231
Quickest round-trip

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 10/20

9:00 pm-8:25 pm

2 stops35h 25m

Perth

Thu 11/5

10:45 pm-3:55 pm

1 stop30h 10m

$2,251

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 9/15

10:55 am-5:35 pm

1 stop42h 40m

Perth

Tue 11/10

10:20 pm-8:10 am

1 stop46h 50m

$2,429

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 9/8

10:55 am-5:35 pm

1 stop42h 40m

Perth

Tue 9/15

10:20 pm-8:40 am

1 stop46h 20m

$2,431

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 11/17

6:20 pm-12:35 pm

2 stops29h 15m

Perth

Tue 1/12

1:50 pm-5:30 pm

3 stops40h 40m

$2,453

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl 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 Dulles Intl to Perth in July.
ProviderPrice AccuracyTrust Score*
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. Dulles Intl Airport-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. Dulles Intl Airport-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Dulles Intl 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.

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 28, 2026.
Read reviews from past customers who have flown Qantas Airways and Qatar Airways from Washington, D.C. Dulles Intl Airport to Perth. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,069 reviews

Boarding

7.7

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.1

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
1,069 reviews
Qantas Airways
7.5
Good
1,069 reviews

Boarding

7.7

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.1

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.
Qatar Airways
7.3
Good
3,743 reviews
Qantas Airways
7.5
Good
1,069 reviews

Boarding

7.7

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

7.2

Crew

8.1

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 Dulles Intl 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. Dulles Intl?

    Located just 6.3 mi from the city center, Perth is the airport most travelers will use when flying to Perth from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Perth (PER) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 2 different airlines.

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

    Departing from Washington, D.C. Dulles Intl Airport to Perth will take you 31h 25m. Airlines will cover a distance of 11533 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $1,264, Qantas Airways will fly you from Washington, D.C. Dulles Intl Airport to Perth and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qatar Airways for as low as $2,062.

  • Can I find deals for flights from Dulles Intl to Perth that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Perth.

  • Can I find deals for business class flights from Dulles Intl to Perth?

    Yes. Cheapflights offers flight deals from Dulles Intl 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

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Top 2 airlines flying from Dulles Intl to Perth

Discover the top 2 airlines that operate flights from Dulles Intl 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 28, 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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