Cheap flights from Washington, D.C. to Perth from $834

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 12/3. 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.
Multiple Airlines Logo
09:59 - 12:35
DCA
-
PER
37h 36m2 stops
Multiple Airlines Logo
13:50 - 20:05
PER
-
DCA
43h 15m2 stops
$2,197Multiple Airlines
Wed, 18 Feb - Wed, 25 Feb
Multiple Airlines Logo
18:46 - 05:25
BWI
-
PER
45h 39m2 stops
Multiple Airlines Logo
13:50 - 17:46
PER
-
BWI
40h 56m2 stops
$2,242Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
Multiple Airlines Logo
16:59 - 22:55
DCA
-
PER
40h 56m2 stops
Multiple Airlines Logo
00:25 - 20:05
PER
-
DCA
31h 40m2 stops
$2,273Multiple Airlines
Mon, 2 Mar - Mon, 9 Mar
Singapore Airlines Logo
17:50 - 14:40
BWI
-
PER
32h 50m2 stops
Singapore Airlines Logo
13:45 - 16:47
PER
-
BWI
39h 02m2 stops
$2,279Singapore Airlines
Sun, 10 May - Mon, 18 May
Cathay Pacific Logo
11:57 - 06:55
DCA
-
PER
30h 58m2 stops
Cathay Pacific Logo
08:30 - 18:55
PER
-
DCA
46h 25m2 stops
$2,279Cathay Pacific
Thu, 12 Mar - Mon, 23 Mar
Cathay Pacific Logo
09:35 - 06:55
DCA
-
PER
33h 20m2 stops
Cathay Pacific Logo
00:25 - 20:41
PER
-
DCA
32h 16m2 stops
$2,335Cathay Pacific
Thu, 12 Mar - Wed, 18 Mar
Air New Zealand Logo
12:40 - 22:20
BWI
-
PER
45h 40m2 stops
Air New Zealand Logo
23:50 - 07:19
PER
-
BWI
43h 29m2 stops
$2,433Air New Zealand
Thu, 12 Mar - Thu, 19 Mar
Qantas Airways Logo
15:21 - 18:15
BWI
-
PER
37h 54m2 stops
Qantas Airways Logo
07:10 - 22:59
PER
-
BWI
28h 49m2 stops
$2,525Qantas Airways
Fri, 20 Feb - Fri, 27 Feb
Air New Zealand Logo
06:30 - 16:50
BWI
-
PER
45h 20m2 stops
Air New Zealand Logo
23:50 - 06:34
PER
-
BWI
43h 44m2 stops
$2,588Air New Zealand
Mon, 9 Feb - Sat, 14 Feb
Qantas Airways Logo
15:21 - 12:05
BWI
-
PER
32h 44m2 stops
Qantas Airways Logo
22:45 - 22:59
PER
-
BWI
36h 14m2 stops
$2,661Qantas Airways
Thu, 12 Mar - Thu, 19 Mar

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

Our best Singapore Airlines deals on Washington, D.C. to Perth flight tickets
Singapore Airlines
10 May
BWI17:50Baltimore/Washington
32h 50m
2 stops
PER14:40Perth
18 May
PER13:45Perth
39h 02m
2 stops
BWI16:47Baltimore/Washington
Singapore Airlines
22 Feb
BWI06:00Baltimore/Washington
41h 35m
2 stops
PER12:35Perth
26 Feb
PER01:15Perth
42h 19m
3 stops
BWI06:34Baltimore/Washington
Singapore Airlines
8 Mar
BWI18:25Baltimore/Washington
32h 20m
2 stops
PER14:45Perth
11 Mar
PER06:40Perth
46h 43m
2 stops
BWI17:23Baltimore/Washington

Cathay Pacific flights from Washington, D.C. to Perth

Our best Cathay Pacific deals on Washington, D.C. to Perth flight tickets
Cathay Pacific
12 Mar
DCA11:57Washington, D.C. Reagan-National
30h 58m
2 stops
PER06:55Perth
23 Mar
PER08:30Perth
46h 25m
2 stops
DCA18:55Washington, D.C. Reagan-National
Cathay Pacific
12 Mar
DCA09:35Washington, D.C. Reagan-National
33h 20m
2 stops
PER06:55Perth
18 Mar
PER00:25Perth
32h 16m
2 stops
DCA20:41Washington, D.C. Reagan-National
Cathay Pacific
23 Feb
DCA09:35Washington, D.C. Reagan-National
48h 20m
2 stops
PER22:55Perth
26 Feb
PER00:25Perth
31h 30m
2 stops
DCA18:55Washington, 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 6 January 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

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 18/2

09:59-12:35

2 stops37h 36m

Perth

Wed 25/2

13:50-20:05

2 stops43h 15m

$2,197

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 19/2

18:46-05:25

2 stops45h 39m

Perth

Thu 26/2

13:50-17:46

2 stops40h 56m

$2,242

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 2/3

16:59-22:55

2 stops40h 56m

Perth

Mon 9/3

00:25-20:05

2 stops31h 40m

$2,273

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Sun 10/5

17:50-14:40

2 stops32h 50m

Perth

Mon 18/5

13:45-16:47

2 stops39h 02m

$2,279

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

11:57-06:55

2 stops30h 58m

Perth

Mon 23/3

08:30-18:55

2 stops46h 25m

$2,279

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

09:35-06:55

2 stops33h 20m

Perth

Wed 18/3

00:25-20:41

2 stops32h 16m

$2,335

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/3

12:40-22:20

2 stops45h 40m

Perth

Thu 19/3

23:50-07:19

2 stops43h 29m

$2,433

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 20/2

15:21-18:15

2 stops37h 54m

Perth

Fri 27/2

07:10-22:59

2 stops28h 49m

$2,525

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 9/2

06:30-16:50

2 stops45h 20m

Perth

Sat 14/2

23:50-06:34

2 stops43h 44m

$2,588

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/3

15:21-12:05

2 stops32h 44m

Perth

Thu 19/3

22:45-22:59

2 stops36h 14m

$2,661

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?

What is the cheapest month to fly to Perth?

The month of June is, on average, the cheapest month to fly to Perth from Washington, D.C., with most prices found around $1,775. If you’re not able to fly to Perth in June, then August is your next best option. Flight prices from Washington, D.C. to Perth during August average around $1,802.

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

28h 10m

Direct flights

None
The fastest flight from Washington, D.C. to Perth takes 28h 10m
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 28h 10m.

  • 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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