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Perth

$590+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PER
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,317
(Trip.com)

One-way from

$590
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$1,967
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
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($464 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($136 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 21, 2025.

This Trip.com deal was found by Cheapflights users on 3/20. 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.
Thu 5/811:00 amIAD - PER
2 stops44h 50mMultiple Airlines
Thu 5/225:10 amPER - IAD
2 stops39h 30mMultiple Airlines
Deal found 3/20$1,317
This Flysmarter deal was found by Cheapflights users on 3/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:38 pmIAD - PER
2 stops42h 17mSingapore Airlines
Mon 5/121:45 pmPER - IAD
2 stops38h 15mSingapore Airlines
Deal found 3/21$1,654
This Justfly.com deal was found by Cheapflights users on 3/20. 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.
Wed 11/55:16 pmIAD - PER
2 stops29h 44mQantas Airways
Mon 12/295:35 amPER - IAD
2 stops29h 39mQantas Airways
Deal found 3/20$1,703
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/155:20 pmIAD - PER
2 stops34h 25mAir Canada
Sat 7/191:45 pmPER - IAD
2 stops38h 32mAir Canada
Deal found 3/20$1,706
This Gotogate deal was found by Cheapflights users on 3/20. 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.
Mon 4/149:00 pmIAD - PER
2 stops40h 10mMalaysia Airlines
Tue 4/223:50 pmPER - IAD
2 stops35h 50mMalaysia Airlines
Deal found 3/20$1,871
This Gotogate deal was found by Cheapflights users on 3/20. 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.
Sun 6/1510:20 pmIAD - PER
2 stops37h 35mLufthansa
Fri 7/181:10 amPER - IAD
2 stops54h 15mLufthansa
Deal found 3/20$1,909
This flugladen.de deal was found by Cheapflights users on 3/20. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/49:00 pmIAD - PER
1 stop33h 40mQatar Airways
Sun 5/1110:45 pmPER - IAD
1 stop28h 55mQatar Airways
Deal found 3/20$1,947
This lol.travel deal was found by Cheapflights users on 3/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/55:07 pmIAD - PER
2 stops41h 33mCathay Pacific
Sun 5/1112:10 amPER - IAD
2 stops41h 30mCathay Pacific
Deal found 3/21$2,022
This United deal was found by Cheapflights users on 3/20. 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.
Wed 7/162:53 pmIAD - PER
2 stops33h 37mUnited Airlines
Wed 7/3011:45 pmPER - IAD
2 stops33h 44mUnited Airlines
Deal found 3/20$2,314
This SmartFares deal was found by Cheapflights users on 3/20. 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.
Tue 9/1610:55 amIAD - PER
1 stop25h 45mEmirates
Tue 9/3012:25 pmPER - IAD
2 stops32h 15mEmirates
Deal found 3/20$3,133
This Arangrant deal was found by Cheapflights users on 3/20. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1810:05 pmIAD - PER
2 stops54h 10mEtihad Airways
Thu 5/2911:15 pmPER - IAD
2 stops52h 55mEtihad Airways
Deal found 3/20$7,069

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 March 21, 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

Thu 5/8

11:00 am-7:50 pm

2 stops44h 50m

Perth

Thu 5/22

5:10 am-8:40 am

2 stops39h 30m

$1,317

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 5/5

5:38 pm-11:55 pm

2 stops42h 17m

Perth

Mon 5/12

1:45 pm-4:00 pm

2 stops38h 15m

$1,654

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 6/15

5:20 pm-3:45 pm

2 stops34h 25m

Perth

Sat 7/19

1:45 pm-4:17 pm

2 stops38h 32m

$1,706

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 4/14

9:00 pm-1:10 am

2 stops40h 10m

Perth

Tue 4/22

3:50 pm-3:40 pm

2 stops35h 50m

$1,871

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 6/1

5:07 pm-8:50 am

2 stops27h 43m

Perth

Sun 6/15

6:20 am-10:47 pm

2 stops28h 27m

$1,889

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 6/15

10:20 pm-11:55 pm

2 stops37h 35m

Perth

Fri 7/18

1:10 am-7:25 pm

2 stops54h 15m

$1,909

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 5/4

9:00 pm-6:40 pm

1 stop33h 40m

Perth

Sun 5/11

10:45 pm-3:40 pm

1 stop28h 55m

$1,947

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 5/5

5:07 pm-10:40 pm

2 stops41h 33m

Perth

Sun 5/11

12:10 am-5:40 am

2 stops41h 30m

$2,022

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 7/16

2:53 pm-12:30 pm

2 stops33h 37m

Perth

Wed 7/30

11:45 pm-9:29 pm

2 stops33h 44m

$2,314

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 9/16

10:55 am-12:40 am

1 stop25h 45m

Perth

Tue 9/30

12:25 pm-8:40 am

2 stops32h 15m

$3,133

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 16 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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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 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.

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 $1,448). 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 March 21, 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 March 21, 2025.
Singapore Airlines
8.1
Very good
1,279 reviews

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very good
1,279 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Emirates
8.0
Very good
3,193 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Cathay Pacific
7.5
Good
832 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Qatar Airways
7.4
Good
3,539 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Etihad Airways
7.4
Good
1,178 reviews
Singapore Airlines
8.1
Very good
1,279 reviews

Food

7.7

Overall

8.1

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

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 $1,654, Singapore Airlines will fly you from Washington, D.C. Dulles Intl Airport to Perth and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Malaysia Airlines - these airlines can fly you to your destination from $1,706 and $1,871, respectively. Singapore Airlines is priced at 6% 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 Cathay Pacific. According to our data, you can fly for as low as $852. Users have also found prices from $1,196 and $1,231 on Qatar Airways and Air Canada, 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 $1,448). 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
Mandurah
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 March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,097Average$1,385FlexibilityNo cancel feeOn-time74%
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