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Cheap flights from Washington, D.C. to Perth from $1,023

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Perth departing on 4/5. 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. to Perth

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 - 05:50
IAD
-
PER
30h 50m
2 stops
Multiple Airlines Logo
01:35 - 08:40
PER
-
IAD
43h 05m
2 stops
$1,964Multiple Airlines
Wed, 13 May - Tue, 19 May
Multiple Airlines Logo
11:00 - 05:50
IAD
-
PER
30h 50m
2 stops
Multiple Airlines Logo
07:20 - 08:40
PER
-
IAD
37h 20m
3 stops
$2,087Multiple Airlines
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
15:10 - 05:50
IAD
-
PER
50h 40m
2 stops
Multiple Airlines Logo
14:50 - 09:45
PER
-
IAD
54h 55m
2 stops
$2,216Multiple Airlines
Sat, 2 May - Mon, 11 May
Multiple Airlines Logo
14:05 - 21:45
IAD
-
PER
43h 40m
2 stops
Multiple Airlines Logo
14:50 - 09:45
PER
-
IAD
54h 55m
2 stops
$2,234Multiple Airlines
Tue, 28 Apr - Mon, 4 May
Multiple Airlines Logo
15:10 - 05:50
IAD
-
PER
50h 40m
2 stops
Multiple Airlines Logo
14:50 - 09:45
PER
-
IAD
54h 55m
2 stops
$2,251Multiple Airlines
Mon, 11 May - Mon, 18 May
Qantas Airways Logo
18:59 - 13:35
DCA
-
PER
30h 36m
2 stops
Qantas Airways Logo
00:50 - 18:59
PER
-
DCA
30h 09m
2 stops
$2,274Qantas Airways
Fri, 15 May - Thu, 21 May
Qantas Airways Logo
16:59 - 13:35
DCA
-
PER
32h 36m
2 stops
Qantas Airways Logo
23:55 - 19:57
PER
-
DCA
32h 02m
2 stops
$2,276Qantas Airways
Sat, 2 May - Mon, 11 May
Air New Zealand Logo
07:00 - 16:00
BWI
-
PER
45h 00m
2 stops
Air New Zealand Logo
23:45 - 07:14
PER
-
BWI
43h 29m
2 stops
$2,957Air New Zealand
Tue, 16 Jun - Tue, 30 Jun
Air New Zealand Logo
07:00 - 16:00
BWI
-
PER
45h 00m
2 stops
Air New Zealand Logo
23:45 - 07:14
PER
-
BWI
43h 29m
2 stops
$2,958Air New Zealand
Tue, 16 Jun - Tue, 30 Jun
Singapore Airlines Logo
19:23 - 12:30
BWI
-
PER
53h 07m
3 stops
Singapore Airlines Logo
13:45 - 16:31
PER
-
BWI
38h 46m
2 stops
$2,983Singapore Airlines
Sun, 9 Aug - Wed, 19 Aug

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

Our best Air New Zealand deals on Washington, D.C. to Perth flight tickets
Air New Zealand
16 June
BWI07:00Baltimore/Washington
45h 00m
2 stops
PER16:00Perth
30 June
PER23:45Perth
43h 29m
2 stops
BWI07:14Baltimore/Washington
$2,957
Air New Zealand
16 June
BWI07:00Baltimore/Washington
45h 00m
2 stops
PER16:00Perth
30 June
PER23:45Perth
43h 29m
2 stops
BWI07:14Baltimore/Washington
$2,958
Air New Zealand
16 June
BWI07:00Baltimore/Washington
45h 00m
2 stops
PER16:00Perth
30 June
PER23:45Perth
43h 29m
2 stops
BWI07:14Baltimore/Washington
$2,999

Qantas Airways flights from Washington, D.C. to Perth

Our best Qantas Airways deals on Washington, D.C. to Perth flight tickets
Qantas Airways
15 May
DCA18:59Washington, D.C. Reagan-National
30h 36m
2 stops
PER13:35Perth
21 May
PER00:50Perth
30h 09m
2 stops
DCA18:59Washington, D.C. Reagan-National
$2,274
Qantas Airways
2 May
DCA16:59Washington, D.C. Reagan-National
32h 36m
2 stops
PER13:35Perth
11 May
PER23:55Perth
32h 02m
2 stops
DCA19:57Washington, D.C. Reagan-National
$2,276
Qantas Airways
12 May
DCA17:00Washington, D.C. Reagan-National
32h 35m
2 stops
PER13:35Perth
19 May
PER23:55Perth
35h 00m
2 stops
DCA22:55Washington, D.C. Reagan-National
$2,277

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. 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 78,305 searches. Data last updated 1 April 2026.
Use the filters below to find and compare flights from Washington, D.C. to Perth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 13/5

11:00-05:50

2 stops30h 50m

Perth

Tue 19/5

01:35-08:40

2 stops43h 05m

$1,964

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 13/5

11:00-05:50

2 stops30h 50m

Perth

Wed 20/5

07:20-08:40

3 stops37h 20m

$2,087

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 2/5

15:10-05:50

2 stops50h 40m

Perth

Mon 11/5

14:50-09:45

2 stops54h 55m

$2,216

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Tue 28/4

14:05-21:45

2 stops43h 40m

Perth

Mon 4/5

14:50-09:45

2 stops54h 55m

$2,234

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Mon 11/5

15:10-05:50

2 stops50h 40m

Perth

Mon 18/5

14:50-09:45

2 stops54h 55m

$2,251
Fastest return journey

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Fri 15/5

18:59-13:35

2 stops30h 36m

Perth

Thu 21/5

00:50-18:59

2 stops30h 09m

$2,274

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sat 2/5

16:59-13:35

2 stops32h 36m

Perth

Mon 11/5

23:55-19:57

2 stops32h 02m

$2,276

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 16/6

07:00-16:00

2 stops45h 00m

Perth

Tue 30/6

23:45-07:14

2 stops43h 29m

$2,957

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Tue 16/6

07:00-16:00

2 stops45h 00m

Perth

Tue 30/6

23:45-07:14

2 stops43h 29m

$2,958

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 9/8

19:23-12:30

3 stops53h 07m

Perth

Wed 19/8

13:45-16:31

2 stops38h 46m

$2,983

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Perth from

How to get the cheapest flight ticket from Washington, D.C. 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 typical price of a round-trip flight between Washington, D.C. and Perth?

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

You could potentially save up to 35% on your flight if you consider stops on a Washington, D.C. to Perth flight.

When to book flights from Washington, D.C. to Perth

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

Cheap Washington, D.C. to Perth (WAS to PER) flight deals and tips

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

Fastest flight time

26h 40m

Direct flights

None
The fastest flight from Washington, D.C. to Perth takes 26h 40m
There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes from Washington, D.C. to Perth.
Search flight deals

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

  • How far is Washington, D.C. to Perth by plane?

    There are 18603.3 km between Washington, D.C. and Perth. By plane, this route typically takes 26h 40m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Perth Airport.

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

    The travel and health documents required for your trip to Perth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Perth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Perth?

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

Why use momondo?

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

Finding the right flight to Perth from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Perth quick and easy, saving you time and money.

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?

momondo provides multiple filters to help you find the best flight to Perth from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Washington, D.C. to Perth flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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