Cheap flights from Washington, D.C. to Perth from $1,994

This is the cheapest return 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 4/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
17:10 - 20:20DCA-PER
38h 10m2 stops
Qantas Airways Logo
15:20 - 20:00PER-DCA
41h 40m2 stops
$1,994Qantas Airways
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Multiple Airlines Logo
17:19 - 22:55DCA-PER
41h 36m2 stops
Multiple Airlines Logo
08:30 - 18:44PER-DCA
47h 14m2 stops
$2,300Multiple Airlines
Find Deal
Fri, 31 Oct - Sun, 16 Nov
United Airlines Logo
22:10 - 14:30IAD-PER
52h 20m2 stops
United Airlines Logo
22:30 - 16:27PER-IAD
30h 57m2 stops
$2,306United Airlines
Find Deal
Sat, 1 Nov - Fri, 14 Nov
United Airlines Logo
15:25 - 11:20IAD-PER
54h 55m2 stops
United Airlines Logo
07:20 - 16:25PER-IAD
46h 05m2 stops
$2,314United Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Cathay Pacific Logo
17:37 - 06:55IAD-PER
49h 18m2 stops
Cathay Pacific Logo
00:25 - 22:33PER-IAD
35h 08m2 stops
$2,460Cathay Pacific
Find Deal
Sat, 1 Nov - Thu, 13 Nov
Cathay Pacific Logo
11:55 - 22:55DCA-PER
46h 00m2 stops
Cathay Pacific Logo
00:25 - 22:59PER-DCA
35h 34m2 stops
$2,619Cathay Pacific
Find Deal
Thu, 4 Dec - Wed, 10 Dec
Singapore Airlines Logo
06:30 - 12:35BWI-PER
41h 05m3 stops
Singapore Airlines Logo
13:45 - 16:47PER-BWI
39h 02m2 stops
$2,987Singapore Airlines
Find Deal
Mon, 2 Feb - Fri, 19 Jun
Singapore Airlines Logo
18:57 - 05:25BWI-PER
69h 28m3 stops
Singapore Airlines Logo
17:05 - 18:07PER-BWI
62h 02m2 stops
$3,076Singapore Airlines
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Air New Zealand Logo
09:00 - 22:20BWI-PER
48h 20m2 stops
Air New Zealand Logo
22:45 - 21:27PER-BWI
35h 42m2 stops
$3,173Air New Zealand
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Thu, 4 Dec - Thu, 11 Dec
Air New Zealand Logo
18:28 - 20:20BWI-PER
36h 52m2 stops
Air New Zealand Logo
18:50 - 21:27PER-BWI
39h 37m2 stops
$3,228Air New Zealand
Find Deal
Sat, 6 Dec - Sat, 13 Dec

Singapore Airlines flights from Washington, D.C. to Perth

Our best Singapore Airlines deals on Washington, D.C. to Perth flight tickets
Singapore Airlines
2 Feb
BWI06:30Baltimore/Washington
41h 05m
3 stops
PER12:35Perth
19 June
PER13:45Perth
39h 02m
2 stops
BWI16:47Baltimore/Washington
Singapore Airlines
10 Nov
BWI18:57Baltimore/Washington
69h 28m
3 stops
PER05:25Perth
17 Nov
PER17:05Perth
62h 02m
2 stops
BWI18:07Baltimore/Washington

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

Our best Qantas Airways deals on Washington, D.C. to Perth flight tickets
Qantas Airways
4 Dec
DCA17:10Washington, D.C. Reagan-National
38h 10m
2 stops
PER20:20Perth
11 Dec
PER15:20Perth
41h 40m
2 stops
DCA20:00Washington, D.C. Reagan-National
Qantas Airways
4 Dec
DCA17:10Washington, D.C. Reagan-National
35h 50m
2 stops
PER18:00Perth
11 Dec
PER23:55Perth
33h 05m
2 stops
DCA20:00Washington, D.C. Reagan-National
Qantas Airways
13 Nov
DCA16:59Washington, D.C. Reagan-National
39h 36m
2 stops
PER21:35Perth
17 Nov
PER07:15Perth
26h 44m
2 stops
DCA20:59Washington, D.C. Reagan-National

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 22 October 2025.
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

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 4/12

17:10-20:20

2 stops38h 10m

Perth

Thu 11/12

15:20-20:00

2 stops41h 40m

$1,994

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Fri 31/10

17:19-22:55

2 stops41h 36m

Perth

Sun 16/11

08:30-18:44

2 stops47h 14m

$2,300

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 1/11

22:10-14:30

2 stops52h 20m

Perth

Fri 14/11

22:30-16:27

2 stops30h 57m

$2,306

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 6/12

15:25-11:20

2 stops54h 55m

Perth

Sat 13/12

07:20-16:25

2 stops46h 05m

$2,314

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Sat 1/11

17:37-06:55

2 stops49h 18m

Perth

Thu 13/11

00:25-22:33

2 stops35h 08m

$2,460

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 4/12

11:55-22:55

2 stops46h 00m

Perth

Wed 10/12

00:25-22:59

2 stops35h 34m

$2,619

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 2/2

06:30-12:35

3 stops41h 05m

Perth

Fri 19/6

13:45-16:47

2 stops39h 02m

$2,987

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 10/11

18:57-05:25

3 stops69h 28m

Perth

Mon 17/11

17:05-18:07

2 stops62h 02m

$3,076

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 4/12

09:00-22:20

2 stops48h 20m

Perth

Thu 11/12

22:45-21:27

2 stops35h 42m

$3,173

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sat 6/12

18:28-20:20

2 stops36h 52m

Perth

Sat 13/12

18:50-21:27

2 stops39h 37m

$3,228

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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?

What is the cheapest month to fly to Perth?

The month of February is, on average, the cheapest month to fly to Perth from Washington, D.C., with most prices found around $1,700. If you’re not able to fly to Perth in February, then August is your next best option. Flight prices from Washington, D.C. to Perth during August average around $1,866.

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

Direct flights

None
There are no direct flights from Washington, D.C. to Perth. There are no popular flight routes 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 50m.

  • 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
Fremantle
Mandurah
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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1 adult
Fri 21/11
Fri 28/11

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