What is the cheapest airline that flies from Washington, D.C. to Perth?

Cathay Pacific, Qantas Airways, and Qatar Airways are the most popular carriers operating from Washington, D.C. to Perth

How long does it take to fly to Perth?

The flight from Washington, D.C. to Perth depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Perth (the most popular airport in Perth), then the flight time is 30h 18m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Perth, then the average flight time is 31h 44m.

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.

$1,227 Cheap Flights from Washington, D.C. to Perth in 2025/26

Q: What is the typical price of a round-trip flight between Washington, D.C. and Perth?

Prices are currently low for flights on this route. Typical prices usually range from $2,608 to $3,467. The lowest price recently found on this route was $2,078.

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Find the cheapest flights from Washington, D.C. to Perth

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:37 - 22:40

DCA

PER

48h 03m2 stops

00:10 - 20:53

PER

DCA

32h 43m2 stops

$2,078Cathay Pacific

Wed, 6 May - Sun, 17 May

19:16 - 23:55

BWI

PER

40h 39m2 stops

16:55 - 06:28

PER

BWI

49h 33m2 stops

$2,103Multiple Airlines

Wed, 6 May - Mon, 18 May

19:20 - 23:55

IAD

PER

40h 35m2 stops

13:45 - 23:59

PER

IAD

46h 14m2 stops

$2,145Multiple Airlines

Wed, 6 May - Mon, 18 May

11:57 - 06:55

DCA

PER

30h 58m2 stops

08:30 - 18:59

PER

DCA

46h 29m2 stops

$2,187Cathay Pacific

Thu, 12 Mar - Thu, 19 Mar

11:57 - 06:55

DCA

PER

30h 58m2 stops

08:30 - 18:59

PER

DCA

46h 29m2 stops

$2,188Cathay Pacific

Thu, 12 Mar - Thu, 19 Mar

19:16 - 23:55

BWI

PER

40h 39m2 stops

13:45 - 16:47

PER

BWI

39h 02m2 stops

$2,257Multiple Airlines

Thu, 7 May - Mon, 18 May

17:00 - 16:15

DCA

PER

34h 15m2 stops

05:30 - 23:00

PER

DCA

30h 30m2 stops

$2,346Qantas Airways

Sat, 7 Feb - Sat, 14 Feb

15:41 - 18:15

BWI

PER

37h 34m2 stops

17:20 - 23:01

PER

BWI

42h 41m2 stops

$2,366Qantas Airways

Fri, 6 Feb - Fri, 13 Feb

18:25 - 16:50

BWI

PER

58h 25m2 stops

23:50 - 22:30

PER

BWI

34h 40m2 stops

$2,471Air New Zealand

Thu, 12 Mar - Thu, 19 Mar

12:40 - 22:20

BWI

PER

45h 40m2 stops

23:50 - 22:30

PER

BWI

34h 40m2 stops

$2,591Air New Zealand

Thu, 12 Mar - Thu, 19 Mar

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

Our best Qantas Airways deals on Washington, D.C. to Perth flight tickets

Qantas Airways

7 Feb

DCA17:00Washington, D.C. Reagan-National

34h 15m

2 stops

PER16:15Perth

14 Feb

PER05:30Perth

30h 30m

2 stops

DCA23:00Washington, D.C. Reagan-National

$2,346

Find similar

Qantas Airways

6 Feb

BWI15:41Baltimore/Washington

37h 34m

2 stops

PER18:15Perth

13 Feb

PER17:20Perth

42h 41m

2 stops

BWI23:01Baltimore/Washington

$2,366

Find similar

Qantas Airways

7 Feb

BWI15:41Baltimore/Washington

36h 39m

2 stops

PER17:20Perth

14 Feb

PER07:10Perth

28h 51m

2 stops

BWI23:01Baltimore/Washington

$2,373

Find similar

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

Our best Malaysia Airlines deals on Washington, D.C. to Perth flight tickets

Malaysia Airlines

6 Mar

IAD20:05Washington, D.C. Dulles Intl

40h 20m

2 stops

PER01:25Perth

9 Mar

PER16:15Perth

36h 40m

2 stops

IAD16:55Washington, D.C. Dulles Intl

$2,793

Find similar

Malaysia Airlines

30 Apr

IAD11:00Washington, D.C. Dulles Intl

39h 50m

2 stops

PER14:50Perth

3 May

PER02:10Perth

42h 30m

2 stops

IAD08:40Washington, D.C. Dulles Intl

$2,799

Find similar

Malaysia Airlines

30 Apr

IAD11:00Washington, D.C. Dulles Intl

39h 50m

2 stops

PER14:50Perth

3 May

PER02:10Perth

42h 30m

2 stops

IAD08:40Washington, D.C. Dulles Intl

$2,801

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 6/5

10:37-22:40

2 stops48h 03m

Perth

Sun 17/5

00:10-20:53

2 stops32h 43m

$2,078

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 6/5

19:16-23:55

2 stops40h 39m

Perth

Mon 18/5

16:55-06:28

2 stops49h 33m

$2,103

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 6/5

19:20-23:55

2 stops40h 35m

Perth

Mon 18/5

13:45-23:59

2 stops46h 14m

$2,145

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

11:57-06:55

2 stops30h 58m

Perth

Thu 19/3

08:30-18:59

2 stops46h 29m

$2,187

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

11:57-06:55

2 stops30h 58m

Perth

Thu 19/3

08:30-18:59

2 stops46h 29m

$2,188

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 7/5

19:16-23:55

2 stops40h 39m

Perth

Mon 18/5

13:45-16:47

2 stops39h 02m

$2,257

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Sat 7/2

17:00-16:15

2 stops34h 15m

Perth

Sat 14/2

05:30-23:00

2 stops30h 30m

$2,346

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Fri 6/2

15:41-18:15

2 stops37h 34m

Perth

Fri 13/2

17:20-23:01

2 stops42h 41m

$2,366

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/3

18:25-16:50

2 stops58h 25m

Perth

Thu 19/3

23:50-22:30

2 stops34h 40m

$2,471

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/3

12:40-22:20

2 stops45h 40m

Perth

Thu 19/3

23:50-22:30

2 stops34h 40m

$2,591

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 August is, on average, the cheapest month to fly to Perth from Washington, D.C., with most prices found around $1,807. If you’re not able to fly to Perth in August, then June is your next best option. Flight prices from Washington, D.C. to Perth during June average around $1,811.

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	29h 06m
Direct flights	None

The fastest flight from Washington, D.C. to Perth takes 29h 06m

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

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 29h 06m.
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.

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.