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$813+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PER
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
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Cheap 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 abril 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,803
(oojo)

One-way from

$1,043
(KAYAK)

Popular in

January

Cheapest in

August

Average price

$2,032
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Perth flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Perth flights.
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From Washington, D.C. Dulles Intl to Perth
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One-way flight from Washington, D.C. Dulles Intl to Perth
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Highest demand for flights based on searches. 18% potential increase in price ($412 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($131 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 abril 15, 2025.

This Gurufare deal was found by Cheapflights users on 4/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/55:16 pmIAD - PER
2 stops38h 49mQantas Airways
lun. 12/2910:55 pmPER - IAD
2 stops36h 19mQantas Airways
Deal found 4/14$1,275
This SmartFares deal was found by Cheapflights users on 4/14. 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.
jue. 4/177:31 amIAD - PER
2 stops51h 09mMultiple Airlines
mar. 4/2912:10 amPER - IAD
2 stops51h 50mMultiple Airlines
Deal found 4/14$1,566
This Gurufare deal was found by Cheapflights users on 4/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/107:59 pmIAD - PER
2 stops45h 11mSingapore Airlines
dom. 10/195:10 pmPER - IAD
2 stops57h 50mSingapore Airlines
Deal found 4/14$1,672
This oojo deal was found by Cheapflights users on 4/15. 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.
mié. 5/217:15 amIAD - PER
2 stops36h 30mCathay Pacific
mar. 5/2712:10 amPER - IAD
2 stops41h 45mCathay Pacific
Deal found 4/15$1,803
This SWISS deal was found by Cheapflights users on 4/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/108:45 pmIAD - PER
2 stops44h 25mSWISS
sáb. 10/181:10 amPER - IAD
2 stops51h 05mSWISS
Deal found 4/14$1,832
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1010:25 amIAD - PER
3 stops41h 20mAir Canada
dom. 10/1910:55 pmPER - IAD
3 stops34h 30mAir Canada
Deal found 4/14$1,930
This SmartFares deal was found by Cheapflights users on 4/14. 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.
jue. 4/179:00 pmIAD - PER
1 stop33h 40mQatar Airways
mié. 4/3010:45 pmPER - IAD
1 stop28h 55mQatar Airways
Deal found 4/14$1,987
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/166:10 amIAD - PER
2 stops45h 50mAir New Zealand
mié. 7/307:50 pmPER - IAD
2 stops41h 10mAir New Zealand
Deal found 4/15$2,034
This United deal was found by Cheapflights users on 4/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/255:30 pmIAD - PER
2 stops32h 00mUnited Airlines
sáb. 1/103:15 pmPER - IAD
2 stops44h 21mUnited Airlines
Deal found 4/14$2,100
This Gotogate deal was found by Cheapflights users on 4/14. 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.
sáb. 5/39:00 pmIAD - PER
2 stops40h 10mMalaysia Airlines
vie. 5/92:10 amPER - IAD
2 stops42h 30mMalaysia Airlines
Deal found 4/14$2,152
This Lufthansa deal was found by Cheapflights users on 4/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/295:50 pmIAD - PER
2 stops41h 05mLufthansa
dom. 1/111:10 amPER - IAD
2 stops51h 40mLufthansa
Deal found 4/13$7,153
This Emirates deal was found by Cheapflights users on 4/14. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1910:30 amIAD - PER
1 stop24h 40mEmirates
vie. 12/56:00 amPER - IAD
1 stop39h 10mEmirates
Deal found 4/14$11,653

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 abril 15, 2025.
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

Dulles Intl

Fly to

Perth

Route

Depart

Return

Price

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

dom. 8/10

7:59 pm-5:10 am

2 stops45h 11m

Perth

dom. 10/19

5:10 pm-3:00 pm

2 stops57h 50m

$1,672

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

sáb. 5/3

11:00 am-4:30 am

2 stops29h 30m

Perth

sáb. 5/10

10:35 am-7:40 am

2 stops33h 05m

$1,724

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

mié. 5/21

7:15 am-7:45 am

2 stops36h 30m

Perth

mar. 5/27

12:10 am-5:55 am

2 stops41h 45m

$1,803

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

dom. 8/10

8:45 pm-5:10 am

2 stops44h 25m

Perth

sáb. 10/18

1:10 am-4:15 pm

2 stops51h 05m

$1,832

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

dom. 8/10

10:25 am-3:45 pm

3 stops41h 20m

Perth

dom. 10/19

10:55 pm-9:25 pm

3 stops34h 30m

$1,930

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

dom. 4/27

9:00 pm-6:40 pm

1 stop33h 40m

Perth

lun. 5/5

10:45 pm-3:40 pm

1 stop28h 55m

$2,012

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

mié. 7/16

6:10 am-4:00 pm

2 stops45h 50m

Perth

mié. 7/30

7:50 pm-1:00 am

2 stops41h 10m

$2,034

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

sáb. 5/3

9:00 pm-1:10 am

2 stops40h 10m

Perth

vie. 5/9

2:10 am-8:40 am

2 stops42h 30m

$2,152

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

mié. 7/16

11:49 am-8:50 am

2 stops33h 01m

Perth

mié. 7/30

6:20 am-10:50 pm

2 stops28h 30m

$2,529

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

mié. 7/16

3:00 pm-12:30 pm

2 stops33h 30m

Perth

mar. 7/29

1:10 am-12:45 am

2 stops35h 35m

$2,747

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 15 results
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 April.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Perth flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Perth

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Perth?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Perth (average of $1,447). Flying from Washington, D.C. Dulles Intl Airport 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.

What is the cheapest time of day to fly from IAD to PER?

Find hourly flight availability from Dulles Intl 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 abril 15, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Perth at noon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

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 - 6.7 inches per month. June is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Perth when rainfall is around 0.0 in.

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 75.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 53.6 F).

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 abril 15, 2025.
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

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
1,288 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

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
464 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

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
846 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

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.
Qantas Airways
7.5
Good
818 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

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.
Qatar Airways
7.4
Good
3,551 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Food

7.7

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

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 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 1 airline.

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

    Currently priced at $1,803, Cathay Pacific will fly you from Washington, D.C. Dulles Intl Airport to Perth and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air New Zealand and Qatar Airways - these airlines can fly you to your destination from $2,034 and $2,063, respectively. Cathay Pacific is priced at 1% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Perth one-way?

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $1,043. Users have also found prices from $1,181 and $1,529 on Qatar Airways and Singapore Airlines, respectively.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Perth?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Perth (average of $1,447). Flying from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Fremantle
Rottnest Island
Scarborough

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Alternative routes for Dulles Intl to Perth

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Perth flights
Reagan-National to Perth flights

Top airline flying from Dulles Intl to Perth

Discover the top airline 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,097Average$1,385FlexibilityNo cancel feeOn-time74%

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