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Cheap flights from Washington, D.C. Dulles Intl Airport to Perth from $1,485

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Perth departing on 2/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Perth

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:55 pm - 11:55 pmIAD-PER
40h 00m2 stops
Multiple Airlines Logo
1:15 am - 5:55 pmPER-IAD
29h 40m2 stops
$1,485Multiple Airlines
Find Deal
Mon, Feb 16 - Fri, Feb 27
Multiple Airlines Logo
6:55 pm - 5:25 amIAD-PER
45h 30m2 stops
Multiple Airlines Logo
5:05 pm - 5:55 amPER-IAD
49h 50m2 stops
$1,501Multiple Airlines
Find Deal
Mon, Feb 16 - Sat, Feb 28
Multiple Airlines Logo
10:40 am - 5:40 amIAD-PER
30h 00m2 stops
Multiple Airlines Logo
5:15 pm - 3:55 pmPER-IAD
35h 40m2 stops
$1,668Multiple Airlines
Find Deal
Sun, Feb 8 - Tue, Feb 17
Multiple Airlines Logo
10:40 am - 5:40 amIAD-PER
30h 00m2 stops
Multiple Airlines Logo
5:35 am - 3:54 pmPER-IAD
47h 19m3 stops
$1,677Multiple Airlines
Find Deal
Sun, Feb 8 - Tue, Feb 17
Cathay Pacific Logo
5:26 pm - 10:55 pmIAD-PER
40h 29m2 stops
Cathay Pacific Logo
12:25 am - 10:12 pmPER-IAD
34h 47m2 stops
$1,701Cathay Pacific
Find Deal
Sun, Feb 8 - Mon, Feb 16
Cathay Pacific Logo
5:37 pm - 6:55 amIAD-PER
49h 18m2 stops
Cathay Pacific Logo
12:25 am - 10:33 pmPER-IAD
35h 08m2 stops
$1,774Cathay Pacific
Find Deal
Sat, Nov 1 - Thu, Nov 13
Etihad Airways Logo
9:10 pm - 5:50 amIAD-PER
43h 40m2 stops
Etihad Airways Logo
11:10 pm - 3:30 pmPER-IAD
53h 20m2 stops
$1,817Etihad Airways
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Mon, Nov 3 - Thu, Nov 20
Qatar Airways Logo
8:05 pm - 11:55 amIAD-PER
26h 50m1 stop
Qatar Airways Logo
10:45 pm - 3:55 pmPER-IAD
30h 10m1 stop
$2,124Qatar Airways
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Mon, Nov 10 - Mon, Nov 17
Qatar Airways Logo
8:05 pm - 6:45 pmIAD-PER
33h 40m1 stop
Qatar Airways Logo
10:45 pm - 3:55 pmPER-IAD
30h 10m1 stop
$2,125Qatar Airways
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Mon, Nov 3 - Thu, Nov 20
Qantas Airways Logo
5:03 pm - 9:15 pmIAD-PER
39h 12m2 stops
Qantas Airways Logo
10:45 pm - 10:59 pmPER-IAD
37h 14m2 stops
$2,190Qantas Airways
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Sun, Nov 30 - Sun, Dec 7

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
Nov 10
IAD8:05 pmWashington, D.C. Dulles Intl
26h 50m
1 stop
PER11:55 amPerth
Nov 17
PER10:45 pmPerth
30h 10m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$2,124
Find similar
Qatar Airways
Nov 3
IAD8:05 pmWashington, D.C. Dulles Intl
33h 40m
1 stop
PER6:45 pmPerth
Nov 20
PER10:45 pmPerth
30h 10m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$2,125
Find similar
Qatar Airways
Nov 30
IAD8:05 pmWashington, D.C. Dulles Intl
27h 15m
1 stop
PER12:20 pmPerth
Dec 7
PER10:45 pmPerth
30h 10m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$2,162
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Air Canada flights from Washington, D.C. Dulles Intl Airport to Perth

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Perth flight tickets
Air Canada
Nov 1
IAD5:15 pmWashington, D.C. Dulles Intl
57h 15m
3 stops
PER2:30 pmPerth
Nov 14
PER10:55 pmPerth
34h 31m
3 stops
IAD8:26 pmWashington, D.C. Dulles Intl
$2,217
Find similar
Air Canada
Feb 16
IAD10:05 pmWashington, D.C. Dulles Intl
51h 25m
3 stops
PER2:30 pmPerth
Feb 28
PER3:15 pmPerth
42h 14m
3 stops
IAD8:29 pmWashington, D.C. Dulles Intl
$2,348
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momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 16, 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

Fly to

Route

Depart

Return

Price

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 2/16

6:55 pm-11:55 pm

2 stops40h 00m

Perth

Fri 2/27

1:15 am-5:55 pm

2 stops29h 40m

$1,485

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 2/16

6:55 pm-5:25 am

2 stops45h 30m

Perth

Sat 2/28

5:05 pm-5:55 am

2 stops49h 50m

$1,501

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 2/8

10:40 am-5:40 am

2 stops30h 00m

Perth

Tue 2/17

5:15 pm-3:55 pm

2 stops35h 40m

$1,668

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 2/8

10:40 am-5:40 am

2 stops30h 00m

Perth

Tue 2/17

5:35 am-3:54 pm

3 stops47h 19m

$1,677

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 2/8

5:26 pm-10:55 pm

2 stops40h 29m

Perth

Mon 2/16

12:25 am-10:12 pm

2 stops34h 47m

$1,701

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 11/1

5:37 pm-6:55 am

2 stops49h 18m

Perth

Thu 11/13

12:25 am-10:33 pm

2 stops35h 08m

$1,774

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 11/3

9:10 pm-5:50 am

2 stops43h 40m

Perth

Thu 11/20

11:10 pm-3:30 pm

2 stops53h 20m

$1,817

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 11/10

8:05 pm-11:55 am

1 stop26h 50m

Perth

Mon 11/17

10:45 pm-3:55 pm

1 stop30h 10m

$2,124

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 11/3

8:05 pm-6:45 pm

1 stop33h 40m

Perth

Thu 11/20

10:45 pm-3:55 pm

1 stop30h 10m

$2,125

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sun 11/30

5:03 pm-9:15 pm

2 stops39h 12m

Perth

Sun 12/7

10:45 pm-10:59 pm

2 stops37h 14m

$2,190

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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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 day to depart on your flight to Perth?

The cheapest day to depart on your flight to Perth is on a Monday when prices can be found for as low as $1,785. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Perth is Thursday, with ticket prices averaging around $2,395.

What is the cheapest time of day to depart on your flight to Perth?

In the afternoon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Perth when you can find flight prices for as low as $1,863. Flying to Perth in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $2,119. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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.
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  • 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 26h 50m.

  • 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?

  • 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?

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
Qantas AirwaysPriceFrom $1,097Free CancellationRating
7.5
918 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,961Free CancellationRating
7.4
3,652 reviews
Search Qatar Airways flights

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Mandurah
Rottnest Island
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?

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