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Cheap flights from Perth to Washington, D.C. from $735

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Washington, D.C. departing on 11/2. 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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Cheap round-trip flights

Multiple Airlines Logo
5:10 am - 8:40 amPER-IAD
39h 30m2 stops
Multiple Airlines Logo
9:05 pm - 4:00 amIAD-PER
42h 55m2 stops
$1,221Multiple Airlines
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Thu, Oct 16 - Sat, Nov 1
Multiple Airlines Logo
5:10 am - 3:40 pmPER-IAD
46h 30m2 stops
Multiple Airlines Logo
8:05 pm - 4:00 amIAD-PER
42h 55m2 stops
$1,241Multiple Airlines
Find Deal
Fri, Oct 10 - Sat, Nov 15
Multiple Airlines Logo
5:10 am - 11:45 amPER-IAD
42h 35m2 stops
Multiple Airlines Logo
1:30 pm - 4:00 amIAD-PER
49h 30m2 stops
$1,275Multiple Airlines
Find Deal
Mon, Oct 13 - Wed, Nov 12
Air New Zealand Logo
7:50 pm - 12:45 amPER-IAD
40h 55m2 stops
Air New Zealand Logo
3:25 pm - 4:50 pmIAD-PER
36h 25m2 stops
$1,327Air New Zealand
Find Deal
Mon, Oct 13 - Wed, Nov 12
Air New Zealand Logo
7:50 pm - 12:45 amPER-IAD
40h 55m2 stops
Air New Zealand Logo
3:25 pm - 4:50 pmIAD-PER
36h 25m2 stops
$1,328Air New Zealand
Find Deal
Mon, Oct 13 - Wed, Nov 12
Qantas Airways Logo
10:55 pm - 10:51 pmPER-IAD
35h 56m2 stops
Qantas Airways Logo
5:54 pm - 12:25 pmIAD-PER
30h 31m2 stops
$1,334Qantas Airways
Find Deal
Tue, Oct 21 - Mon, Oct 27
Qantas Airways Logo
5:55 pm - 10:51 pmPER-IAD
40h 56m2 stops
Qantas Airways Logo
5:37 pm - 7:45 amIAD-PER
50h 08m2 stops
$1,348Qantas Airways
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Tue, Oct 21 - Tue, Oct 28
United Airlines Logo
11:45 pm - 6:52 pmPER-IAD
31h 07m2 stops
United Airlines Logo
12:35 pm - 2:45 pmIAD-PER
37h 10m2 stops
$1,549United Airlines
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Mon, Oct 13 - Wed, Nov 12
Qatar Airways Logo
10:45 pm - 4:55 pmPER-IAD
30h 10m1 stop
Qatar Airways Logo
7:43 am - 12:00 pmIAD-PER
39h 17m2 stops
$1,755Qatar Airways
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Sat, Nov 1 - Sat, Nov 8
Qatar Airways Logo
10:45 pm - 3:40 pmPER-IAD
28h 55m1 stop
Qatar Airways Logo
10:40 am - 12:00 pmIAD-PER
36h 20m1 stop
$1,947Qatar Airways
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Mon, Oct 13 - Wed, Nov 12

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

Our best Qatar Airways deals on Perth to Washington, D.C. Dulles Intl Airport flight tickets
Qatar Airways
Nov 1
PER10:45 pmPerth
30h 10m
1 stop
IAD4:55 pmWashington, D.C. Dulles Intl
Nov 8
IAD7:43 amWashington, D.C. Dulles Intl
39h 17m
2 stops
PER12:00 pmPerth
$1,755
Find similar
Qatar Airways
Oct 13
PER10:45 pmPerth
28h 55m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Nov 12
IAD10:40 amWashington, D.C. Dulles Intl
36h 20m
1 stop
PER12:00 pmPerth
$1,947
Find similar
Qatar Airways
Jan 18
PER3:05 pmPerth
37h 50m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Feb 8
IAD8:05 pmWashington, D.C. Dulles Intl
26h 55m
1 stop
PER12:00 pmPerth
$1,948
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Air New Zealand flights from Perth to Washington, D.C. Dulles Intl Airport

Our best Air New Zealand deals on Perth to Washington, D.C. Dulles Intl Airport flight tickets
Air New Zealand
Oct 13
PER7:50 pmPerth
40h 55m
2 stops
IAD12:45 amWashington, D.C. Dulles Intl
Nov 12
IAD3:25 pmWashington, D.C. Dulles Intl
36h 25m
2 stops
PER4:50 pmPerth
$1,327
Find similar
Air New Zealand
Oct 13
PER7:50 pmPerth
40h 55m
2 stops
IAD12:45 amWashington, D.C. Dulles Intl
Nov 12
IAD3:25 pmWashington, D.C. Dulles Intl
36h 25m
2 stops
PER4:50 pmPerth
$1,328
Find similar
Air New Zealand
Oct 13
PER7:50 pmPerth
40h 55m
2 stops
IAD12:45 amWashington, D.C. Dulles Intl
Nov 16
IAD3:25 pmWashington, D.C. Dulles Intl
36h 25m
2 stops
PER4:50 pmPerth
$1,375
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momondo Fare Finder

 
Customize your flight search to find flights from Perth to Washington, D.C. Dulles Intl Airport 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 September 17, 2025.
Use the filters below to find and compare flights from Perth to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 10/16

5:10 am-8:40 am

2 stops39h 30m

Washington, D.C. Dulles Intl

Sat 11/1

9:05 pm-4:00 am

2 stops42h 55m

$1,221

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Fri 10/10

5:10 am-3:40 pm

2 stops46h 30m

Washington, D.C. Dulles Intl

Sat 11/15

8:05 pm-4:00 am

2 stops42h 55m

$1,241

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 10/13

5:10 am-11:45 am

2 stops42h 35m

Washington, D.C. Dulles Intl

Wed 11/12

1:30 pm-4:00 am

2 stops49h 30m

$1,275

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 10/13

7:50 pm-12:45 am

2 stops40h 55m

Washington, D.C. Dulles Intl

Wed 11/12

3:25 pm-4:50 pm

2 stops36h 25m

$1,327

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 10/13

7:50 pm-12:45 am

2 stops40h 55m

Washington, D.C. Dulles Intl

Wed 11/12

3:25 pm-4:50 pm

2 stops36h 25m

$1,328

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 10/21

10:55 pm-10:51 pm

2 stops35h 56m

Washington, D.C. Dulles Intl

Mon 10/27

5:54 pm-12:25 pm

2 stops30h 31m

$1,334

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Tue 10/21

5:55 pm-10:51 pm

2 stops40h 56m

Washington, D.C. Dulles Intl

Tue 10/28

5:37 pm-7:45 am

2 stops50h 08m

$1,348

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 10/13

11:45 pm-6:52 pm

2 stops31h 07m

Washington, D.C. Dulles Intl

Wed 11/12

12:35 pm-2:45 pm

2 stops37h 10m

$1,549

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sat 11/1

10:45 pm-4:55 pm

1 stop30h 10m

Washington, D.C. Dulles Intl

Sat 11/8

7:43 am-12:00 pm

2 stops39h 17m

$1,755

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 10/13

10:45 pm-3:40 pm

1 stop28h 55m

Washington, D.C. Dulles Intl

Wed 11/12

10:40 am-12:00 pm

1 stop36h 20m

$1,947

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

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

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 Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Perth to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,382. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,413.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,640. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Perth to Washington, D.C. Dulles Intl Airport for around $2,779.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Perth in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,884 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $2,907 on average. Flights to Washington, D.C. Dulles Intl Airport from Perth at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

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

Direct flights

None
There are no direct flights from Perth to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Perth to Washington, D.C. Dulles Intl Airport.
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  • How far is Perth to Washington, D.C. Dulles Intl by plane?

    The distance between Perth and Washington, D.C. Dulles Intl is about 11538.7 mi. By plane, this route typically takes 28h 55m.

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

    Prices for flights from Perth Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Perth to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Flights from Perth to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Perth to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Perth to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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