When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Perth Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to Perth Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Perth Airport?

As of May 2026, there are 2 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Perth Airport.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Perth Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Perth Airport.

What documentation or ID do you need to fly to Perth Airport?

The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$681 Cheap Flights from Washington, D.C. Dulles Intl Airport to Perth in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Perth

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:53 pm - 10:40 pm

IAD

PER

43h 47m

2 stops

8:20 am - 2:03 pm

PER

IAD

65h 43m

2 stops

$1,972Cathay Pacific

Sun, Aug 9 - Mon, Aug 17

9:45 am - 7:10 pm

IAD

PER

45h 25m

2 stops

7:50 pm - 10:36 pm

PER

IAD

38h 46m

2 stops

$1,995Air New Zealand

Tue, Jun 23 - Tue, Sep 15

6:41 pm - 6:50 am

IAD

PER

48h 09m

2 stops

8:20 am - 5:00 am

PER

IAD

32h 40m

2 stops

$2,013Cathay Pacific

Sun, Sep 20 - Sat, Oct 3

2:53 pm - 10:15 pm

IAD

PER

43h 22m

2 stops

4:25 pm - 9:27 pm

PER

IAD

41h 02m

2 stops

$2,058Air New Zealand

Thu, Jul 30 - Mon, Aug 31

8:15 am - 4:00 pm

IAD

PER

43h 45m

2 stops

4:55 pm - 6:42 pm

PER

IAD

37h 47m

2 stops

$2,071Air New Zealand

Sun, Aug 16 - Sat, Aug 22

5:25 pm - 3:05 pm

IAD

PER

57h 40m

2 stops

4:20 pm - 2:00 pm

PER

IAD

33h 40m

2 stops

$2,076Austrian Airlines

Tue, Jun 23 - Wed, Sep 16

9:00 pm - 8:25 pm

IAD

PER

35h 25m

2 stops

10:45 pm - 3:40 pm

PER

IAD

28h 55m

1 stop

$2,112Qatar Airways

Mon, Jul 27 - Wed, Jul 29

10:21 pm - 4:00 pm

IAD

PER

53h 39m

2 stops

12:25 pm - 6:42 am

PER

IAD

54h 17m

2 stops

$2,119Air New Zealand

Sat, Jun 6 - Sat, Jun 20

8:00 pm - 4:00 pm

IAD

PER

56h 00m

2 stops

12:25 pm - 6:42 am

PER

IAD

54h 17m

2 stops

$2,120Air New Zealand

Sat, Jun 6 - Sat, Jun 20

9:00 pm - 6:35 pm

IAD

PER

33h 35m

1 stop

6:00 am - 8:45 am

PER

IAD

38h 45m

2 stops

$2,122Qatar Airways

Sun, Aug 9 - Mon, Aug 17

Air New Zealand flights from Washington, D.C. Dulles Intl Airport to Perth

Our best Air New Zealand deals on Washington, D.C. Dulles Intl Airport to Perth flight tickets

Air New Zealand

Jun 23

IAD9:45 amWashington, D.C. Dulles Intl

45h 25m

2 stops

PER7:10 pmPerth

Sep 15

PER7:50 pmPerth

38h 46m

2 stops

IAD10:36 pmWashington, D.C. Dulles Intl

$1,995

Air New Zealand

Jul 30

IAD2:53 pmWashington, D.C. Dulles Intl

43h 22m

2 stops

PER10:15 pmPerth

Aug 31

PER4:25 pmPerth

41h 02m

2 stops

IAD9:27 pmWashington, D.C. Dulles Intl

$2,058

Air New Zealand

Aug 16

IAD8:15 amWashington, D.C. Dulles Intl

43h 45m

2 stops

PER4:00 pmPerth

Aug 22

PER4:55 pmPerth

37h 47m

2 stops

IAD6:42 pmWashington, D.C. Dulles Intl

$2,071

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Perth

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Perth flight tickets

Qatar Airways

Jul 27

IAD9:00 pmWashington, D.C. Dulles Intl

35h 25m

2 stops

PER8:25 pmPerth

Jul 29

PER10:45 pmPerth

28h 55m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$2,112

Qatar Airways

Aug 9

IAD9:00 pmWashington, D.C. Dulles Intl

33h 35m

1 stop

PER6:35 pmPerth

Aug 17

PER6:00 amPerth

38h 45m

2 stops

IAD8:45 amWashington, D.C. Dulles Intl

$2,122

Qatar Airways

Aug 16

IAD9:00 pmWashington, D.C. Dulles Intl

35h 25m

2 stops

PER8:25 pmPerth

Aug 22

PER10:45 pmPerth

28h 55m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$2,123

momondo 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

Cheapest round-trip

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 8/9

2:53 pm-10:40 pm

2 stops43h 47m

Perth

Mon 8/17

8:20 am-2:03 pm

2 stops65h 43m

$1,972

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 6/23

9:45 am-7:10 pm

2 stops45h 25m

Perth

Tue 9/15

7:50 pm-10:36 pm

2 stops38h 46m

$1,995

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 9/20

6:41 pm-6:50 am

2 stops48h 09m

Perth

Sat 10/3

8:20 am-5:00 am

2 stops32h 40m

$2,013

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Thu 7/30

2:53 pm-10:15 pm

2 stops43h 22m

Perth

Mon 8/31

4:25 pm-9:27 pm

2 stops41h 02m

$2,058

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 8/16

8:15 am-4:00 pm

2 stops43h 45m

Perth

Sat 8/22

4:55 pm-6:42 pm

2 stops37h 47m

$2,071

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 6/23

5:25 pm-3:05 pm

2 stops57h 40m

Perth

Wed 9/16

4:20 pm-2:00 pm

2 stops33h 40m

$2,076

Quickest round-trip

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 7/27

9:00 pm-8:25 pm

2 stops35h 25m

Perth

Wed 7/29

10:45 pm-3:40 pm

1 stop28h 55m

$2,112

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 6/6

10:21 pm-4:00 pm

2 stops53h 39m

Perth

Sat 6/20

12:25 pm-6:42 am

2 stops54h 17m

$2,119

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 6/6

8:00 pm-4:00 pm

2 stops56h 00m

Perth

Sat 6/20

12:25 pm-6:42 am

2 stops54h 17m

$2,120

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 8/9

9:00 pm-6:35 pm

1 stop33h 35m

Perth

Mon 8/17

6:00 am-8:45 am

2 stops38h 45m

$2,122

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Perth

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Perth?

In general, September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Perth during the month of September, then departing from Washington, D.C. Dulles Intl Airport during the month April is also very affordable. Most momondo users find prices during this month for around $0.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Perth flights?

You could potentially save up to 28% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Perth flight.

When to book flights from Washington, D.C. Dulles Intl Airport to Perth

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Perth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Perth (IAD to PER) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Perth

Fastest flight time	36h 45m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Perth takes 36h 45m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Perth. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Perth.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Perth

How far is Washington, D.C. Dulles Intl to Perth by plane?
Perth is 11538.7 mi away from Washington, D.C. Dulles Intl. By plane, this route typically takes 36h 45m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Perth Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Perth Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Perth Airport?
As of May 2026, there are 2 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Perth Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Perth Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Perth Airport.
What documentation or ID do you need to fly to Perth Airport?
The required travel and health documents for your Perth Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Perth Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Perth?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Perth, the leading airline is Qantas Airways, making up 61% of the total bookings. Other popular airlines include Qatar Airways with 39%.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Perth

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Perth with momondo

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $1,195	Free Cancellation	Rating 7.4 3,727 reviews		Search Qatar Airways flights
Qantas Airways	PriceFrom $1,264	Free Cancellation	Rating 7.5 1,033 reviews		Search Qantas Airways flights

Rottnest Island

Mandurah

Fremantle

Scarborough

Waikiki

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Perth?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Perth for you.

Can I find flights from Washington, D.C. to Perth with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Perth on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Perth?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Perth from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Perth right now. Can momondo alert me if prices change?

Price alerts on flights to Perth from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.