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

Qantas Airways and Cathay Pacific 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 Baltimore (a popular airport in Washington, D.C.) to Perth (the most popular airport in Perth), then the flight time is 33h 34m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Perth, then the average flight time is 33h 39m.

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.

$943 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 $2,645 to $3,516. The lowest price recently found on this route was $2,041.

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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:30 - 22:50

DCA

PER

41h 20m2 stops

23:45 - 20:00

PER

DCA

56h 15m2 stops

$2,041Multiple Airlines

Wed, 6 May - Mon, 18 May

17:30 - 13:35

DCA

PER

32h 05m2 stops

23:55 - 20:53

PER

DCA

32h 58m2 stops

$2,076Multiple Airlines

Thu, 7 May - Mon, 18 May

18:56 - 06:55

DCA

PER

46h 59m2 stops

08:30 - 20:00

PER

DCA

48h 30m2 stops

$2,092Cathay Pacific

Mon, 2 Feb - Mon, 9 Feb

09:59 - 13:50

DCA

PER

38h 51m2 stops

22:40 - 20:05

PER

DCA

34h 25m2 stops

$2,098Multiple Airlines

Wed, 4 Feb - Wed, 11 Feb

11:57 - 06:55

DCA

PER

30h 58m2 stops

00:25 - 20:41

PER

DCA

32h 16m2 stops

$2,106Cathay Pacific

Thu, 12 Mar - Wed, 18 Mar

15:41 - 16:45

BWI

PER

36h 04m2 stops

17:45 - 14:49

PER

BWI

34h 04m2 stops

$2,301Qantas Airways

Wed, 4 Feb - Tue, 10 Feb

15:41 - 19:30

BWI

PER

38h 49m2 stops

07:15 - 23:10

PER

BWI

28h 55m2 stops

$2,448Qantas Airways

Mon, 2 Feb - Mon, 9 Feb

06:13 - 22:20

BWI

PER

52h 07m2 stops

23:50 - 22:30

PER

BWI

34h 40m2 stops

$2,484Air New Zealand

Thu, 12 Mar - Thu, 19 Mar

18:25 - 16:50

BWI

PER

58h 25m2 stops

23:50 - 22:30

PER

BWI

34h 40m2 stops

$2,508Air New Zealand

Thu, 12 Mar - Thu, 19 Mar

17:26 - 12:05

IAD

PER

29h 39m2 stops

22:40 - 16:31

PER

IAD

30h 51m2 stops

$2,630American Airlines

Wed, 4 Feb - Tue, 10 Feb

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

Our best Cathay Pacific deals on Washington, D.C. to Perth flight tickets

Cathay Pacific

2 Feb

DCA18:56Washington, D.C. Reagan-National

46h 59m

2 stops

PER06:55Perth

9 Feb

PER08:30Perth

48h 30m

2 stops

DCA20:00Washington, D.C. Reagan-National

$2,092

Find similar

Cathay Pacific

12 Mar

DCA11:57Washington, D.C. Reagan-National

30h 58m

2 stops

PER06:55Perth

18 Mar

PER00:25Perth

32h 16m

2 stops

DCA20:41Washington, D.C. Reagan-National

$2,106

Find similar

Cathay Pacific

12 Mar

DCA11:57Washington, D.C. Reagan-National

30h 58m

2 stops

PER06:55Perth

18 Mar

PER00:25Perth

32h 16m

2 stops

DCA20:41Washington, D.C. Reagan-National

$2,219

Find similar

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 Feb

BWI15:41Baltimore/Washington

36h 04m

2 stops

PER16:45Perth

10 Feb

PER17:45Perth

34h 04m

2 stops

BWI14:49Baltimore/Washington

$2,301

Find similar

Qantas Airways

2 Feb

BWI15:41Baltimore/Washington

38h 49m

2 stops

PER19:30Perth

9 Feb

PER07:15Perth

28h 55m

2 stops

BWI23:10Baltimore/Washington

$2,448

Find similar

Qantas Airways

3 Feb

BWI15:41Baltimore/Washington

31h 24m

2 stops

PER12:05Perth

10 Feb

PER17:45Perth

34h 04m

2 stops

BWI14:49Baltimore/Washington

$2,587

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

17:30-22:50

2 stops41h 20m

Perth

Mon 18/5

23:45-20:00

2 stops56h 15m

$2,041

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 7/5

17:30-13:35

2 stops32h 05m

Perth

Mon 18/5

23:55-20:53

2 stops32h 58m

$2,076

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Mon 2/2

18:56-06:55

2 stops46h 59m

Perth

Mon 9/2

08:30-20:00

2 stops48h 30m

$2,092

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Wed 4/2

09:59-13:50

2 stops38h 51m

Perth

Wed 11/2

22:40-20:05

2 stops34h 25m

$2,098

Washington, D.C.Perth

DCA - PER

DCAPER

Washington, D.C. Reagan-National

Thu 12/3

11:57-06:55

2 stops30h 58m

Perth

Wed 18/3

00:25-20:41

2 stops32h 16m

$2,106

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Wed 4/2

15:41-16:45

2 stops36h 04m

Perth

Tue 10/2

17:45-14:49

2 stops34h 04m

$2,301

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Mon 2/2

15:41-19:30

2 stops38h 49m

Perth

Mon 9/2

07:15-23:10

2 stops28h 55m

$2,448

BaltimorePerth

BWI - PER

BWIPER

Baltimore/Washington

Thu 12/3

06:13-22:20

2 stops52h 07m

Perth

Thu 19/3

23:50-22:30

2 stops34h 40m

$2,484

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

$2,508

Washington, D.C.Perth

IAD - PER

IADPER

Washington, D.C. Dulles Intl

Wed 4/2

17:26-12:05

2 stops29h 39m

Perth

Tue 10/2

22:40-16:31

2 stops30h 51m

$2,630

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 $1,832. 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 $1,837.

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	32h 05m
Direct flights	None

The fastest flight from Washington, D.C. to Perth takes 32h 05m

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 32h 05m.
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.