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

Currently priced at $1,097, 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 $1,506. Qantas Airways is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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 $1,459). 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 day to fly from Washington, D.C. Dulles Intl Airport to Perth?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Perth flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Perth?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 44% on your flight compared to booking on days when demand is much higher.

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

February is one of the best times of the year to fly to Perth from Washington, D.C. Dulles Intl Airport. Prices for February average $1,726 per person but you can even find prices for as low as $1,104. The most expensive prices can be found in the month of October. Opting for a February flight can save you 47% on your journey compared to booking in October

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.

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.

$704+ Flights from Washington, D.C. Dulles Intl Airport to Perth

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Cheap flight deals from Dulles Intl to Perth

Round-trip from	$1,255 (Trip.com)
One-way from	$704 (Kiwi.com)
Popular in	January
Cheapest in	August
Average price	$1,212

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. 16% potential increase in price ($372 potential increase over avg. RT price).

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Cheapest flight prices on average. 8% potential price decrease ($140 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 14, 2025.

Sat 11/110:10 pmIAD - PER

2 stops41h 50mMultiple Airlines

Thu 11/134:40 amPER - IAD

2 stops48h 25mMultiple Airlines

Deal found 8/13

$1,255

Fri 9/2610:05 pmIAD - PER

2 stops33h 45mMultiple Airlines

Fri 10/35:10 amPER - IAD

2 stops47h 00mMultiple Airlines

Deal found 8/12

$1,256

Sat 10/1810:05 pmIAD - PER

2 stops30h 10mMultiple Airlines

Thu 10/301:40 amPER - IAD

2 stops51h 25mMultiple Airlines

Deal found 8/14

$1,303

Best flights from Dulles Intl to Perth
Discover carefully curated flight deals from Dulles Intl to Perth that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Sat 11/110:10 pmIAD - PER

2 stops41h 50mMultiple Airlines

Thu 11/134:40 amPER - IAD

2 stops48h 25mMultiple Airlines

Deal found 8/13

$1,255

Tue 9/911:47 amIAD - PER

2 stops46h 53mCathay Pacific

Mon 9/1512:10 amPER - IAD

2 stops46h 47mCathay Pacific

Deal found 8/13

$1,448

Sat 10/1810:18 pmIAD - PER

2 stops53h 42mAir New Zealand

Fri 10/316:50 pmPER - IAD

2 stops47h 58mAir New Zealand

Deal found 8/14

$1,555

Sat 10/1810:05 pmIAD - PER

2 stops30h 10mMultiple Airlines

Thu 10/301:40 amPER - IAD

2 stops51h 25mMultiple Airlines

Deal found 8/14

$1,303

Sat 11/15:37 pmIAD - PER

2 stops41h 13mCathay Pacific

Thu 11/1312:15 amPER - IAD

2 stops35h 18mCathay Pacific

Deal found 8/13

$1,524

Wed 11/56:13 pmIAD - PER

2 stops40h 42mMultiple Airlines

Sat 11/151:10 amPER - IAD

2 stops42h 13mMultiple Airlines

Deal found 8/13

$1,568

Last-minute flights from Dulles Intl to Perth
Discover last-minute flight deals from Dulles Intl to Perth. Data last updated August 14, 2025 and is based on user searches.

Tue 9/911:47 amIAD - PER

2 stops46h 53mCathay Pacific

Mon 9/1512:10 amPER - IAD

2 stops46h 47mCathay Pacific

Deal found 8/13

$1,448

Tue 9/912:35 pmIAD - PER

2 stops47h 05mAir New Zealand

Tue 9/1611:55 pmPER - IAD

2 stops28h 30mAir New Zealand

Deal found 8/13

$1,807

Tue 9/99:00 pmIAD - PER

1 stop26h 55mQatar Airways

Tue 9/1610:45 pmPER - IAD

1 stop28h 55mQatar Airways

Deal found 8/13

$2,018

Fri 9/2610:05 pmIAD - PER

2 stops33h 45mMultiple Airlines

Fri 10/35:10 amPER - IAD

2 stops47h 00mMultiple Airlines

Deal found 8/12

$1,256

Sun 9/2811:00 amIAD - PER

2 stops50h 10mMalaysia Airlines

Sun 10/53:50 pmPER - IAD

2 stops35h 50mMalaysia Airlines

Deal found 8/14

$1,986

One-way flights from Dulles Intl to Perth
Search for one-way flight options from Dulles Intl to Perth. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Wed 10/1510:05 pmIAD - PER

3 stops57h 45mMultiple Airlines

Deal found 8/14

$704

Fri 10/36:09 pmIAD - PER

2 stops49h 16mPhilippine Airlines

Deal found 8/13

$943

Wed 10/159:00 pmIAD - PER

1 stop33h 40mQatar Airways

Deal found 8/14

$1,401

Fri 10/39:00 pmIAD - PER

1 stop33h 40mQatar Airways

Deal found 8/14

$1,524

Fri 10/38:28 amIAD - PER

3 stops48h 02mAir Canada

Deal found 8/14

$2,554

Cheapflights Fare Finder

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

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 11/1

10:10 pm-4:00 am

2 stops41h 50m

Perth

Thu 11/13

4:40 am-4:05 pm

2 stops48h 25m

$1,255

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 10/18

10:05 pm-4:15 pm

2 stops30h 10m

Perth

Thu 10/30

1:40 am-5:05 pm

2 stops51h 25m

$1,303

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 9/9

11:47 am-10:40 pm

2 stops46h 53m

Perth

Mon 9/15

12:10 am-10:57 am

2 stops46h 47m

$1,448

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 11/1

5:37 pm-10:50 pm

2 stops41h 13m

Perth

Thu 11/13

12:15 am-10:33 pm

2 stops35h 18m

$1,524

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 10/18

10:18 pm-4:00 pm

2 stops53h 42m

Perth

Fri 10/31

6:50 pm-6:48 am

2 stops47h 58m

$1,555

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 11/5

6:13 pm-11:55 pm

2 stops40h 42m

Perth

Sat 11/15

1:10 am-6:23 am

2 stops42h 13m

$1,568

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 10/15

10:05 pm-7:50 pm

3 stops57h 45m

$704

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Fri 10/3

6:09 pm-7:25 am

2 stops49h 16m

$943

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 10/15

9:00 pm-6:40 pm

1 stop33h 40m

$1,401

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Fri 10/3

9:00 pm-6:40 pm

1 stop33h 40m

$1,524

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 11 results

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 time of day to fly from IAD to PER?

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.

Reviews of airlines servicing Perth

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

895 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Qantas Airways

7.5

Good

895 reviews

Qantas Airways

7.5

Good

895 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Qatar Airways

7.4

Good

3,608 reviews

Qantas Airways

7.5

Good

895 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Related info for your journey

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.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Perth round-trip?
Currently priced at $1,097, 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 $1,506. Qantas Airways is priced at 41% lower than the current average price of a flight leaving 3 months from now.
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 $1,459). 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

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Top 2 airlines flying from Dulles Intl to Perth

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,097	Average$1,385	FlexibilityNo cancel fee	On-time74%
Qatar Airways	Cheapest$1,506	Average$2,089	FlexibilityNo cancel fee	On-time68%

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$704+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Perth with Cheapflights

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Cheap flight deals from Dulles Intl to Perth

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Find flight deals from Dulles Intl to Perth

Cheapest flights from Dulles Intl to PerthExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Perth that are best for you.

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.

Cheapflights Insights

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

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 August 14, 2025.

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 August 14, 2025.

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.

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?

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

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

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

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

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

Traveling to a place near Perth?

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Alternative routes for Dulles Intl to Perth

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Top 2 airlines flying from Dulles Intl to Perth

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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 August 14, 2025.