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

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

Which airlines fly to Washington, D.C.?

Qatar Airways, Qantas Airways and Singapore Airlines are the top three most popular airlines that fly to Washington, D.C. from Perth according to our data. Qatar Airways is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

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

How many operators does momondo search for flights from Perth Airport to Washington, D.C.?

There are 3 operators available for flights from Perth Airport to Washington, D.C. as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Perth Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,070 Cheap Flights from Perth to Washington, D.C. in 2025/26

1 adult

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

Round-trip

One-way

Cheap return flights

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22:55 - 22:35PER-DCA

36h 40m3 stops

06:59 - 20:20DCA-PER

48h 21m3 stops

$1,756Air Canada

Find Deal

Thu, 19 Feb - Mon, 23 Feb

22:55 - 08:55PER-DCA

47h 00m3 stops

20:40 - 14:30DCA-PER

52h 50m3 stops

$1,769Air Canada

Find Deal

Thu, 19 Feb - Mon, 23 Feb

15:15 - 22:35PER-DCA

44h 20m3 stops

06:59 - 20:20DCA-PER

48h 21m3 stops

$1,775Air Canada

Find Deal

Thu, 19 Feb - Mon, 23 Feb

07:15 - 22:53PER-IAD

27h 38m2 stops

17:52 - 17:00IAD-PER

35h 08m2 stops

$1,810Qantas Airways

Find Deal

Mon, 16 Mar - Mon, 6 Apr

07:15 - 22:53PER-IAD

27h 38m2 stops

17:52 - 17:00IAD-PER

35h 08m2 stops

$1,822Qantas Airways

Find Deal

Mon, 16 Mar - Mon, 6 Apr

22:45 - 20:57PER-DCA

34h 12m3 stops

16:59 - 11:15DCA-PER

30h 16m2 stops

$1,913Multiple Airlines

Find Deal

Mon, 16 Mar - Mon, 6 Apr

22:40 - 20:57PER-DCA

34h 17m2 stops

17:30 - 12:05DCA-PER

30h 35m2 stops

$1,934American Airlines

Find Deal

Wed, 25 Mar - Tue, 21 Apr

22:40 - 14:57PER-DCA

29h 17m2 stops

13:35 - 12:25DCA-PER

33h 50m3 stops

$1,936Multiple Airlines

Find Deal

Sun, 18 Jan - Sun, 25 Jan

22:40 - 16:31PER-IAD

29h 51m2 stops

17:52 - 13:35IAD-PER

31h 43m2 stops

$2,093American Airlines

Find Deal

Mon, 16 Mar - Mon, 6 Apr

23:45 - 19:35PER-IAD

32h 50m2 stops

16:10 - 11:20IAD-PER

30h 10m2 stops

$2,322United Airlines

Find Deal

Sun, 18 Jan - Sun, 25 Jan

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

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

Qantas Airways

16 Mar

PER07:15Perth

27h 38m

2 stops

IAD22:53Washington, D.C. Dulles Intl

6 Apr

IAD17:52Washington, D.C. Dulles Intl

35h 08m

2 stops

PER17:00Perth

$1,810

Find similar

Qantas Airways

16 Mar

PER07:15Perth

27h 38m

2 stops

IAD22:53Washington, D.C. Dulles Intl

6 Apr

IAD17:52Washington, D.C. Dulles Intl

35h 08m

2 stops

PER17:00Perth

$1,822

Find similar

Qantas Airways

22 Mar

PER22:45Perth

36h 08m

2 stops

IAD22:53Washington, D.C. Dulles Intl

19 Apr

IAD17:26Washington, D.C. Dulles Intl

40h 09m

2 stops

PER21:35Perth

$1,858

Find similar

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

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

United Airlines

18 Jan

PER23:45Perth

32h 50m

2 stops

IAD19:35Washington, D.C. Dulles Intl

25 Jan

IAD16:10Washington, D.C. Dulles Intl

30h 10m

2 stops

PER11:20Perth

$2,322

Find similar

United Airlines

18 Jan

PER23:45Perth

35h 40m

3 stops

BWI22:25Baltimore/Washington

25 Jan

BWI18:34Baltimore/Washington

30h 56m

2 stops

PER14:30Perth

$2,847

Find similar

United Airlines

18 Jan

PER23:45Perth

35h 40m

3 stops

BWI22:25Baltimore/Washington

25 Jan

BWI08:07Baltimore/Washington

38h 13m

2 stops

PER11:20Perth

$2,864

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthWashington, D.C.

PER - DCA

PERDCA

Perth

Thu 19/2

22:55-22:35

3 stops36h 40m

Washington, D.C. Reagan-National

Mon 23/2

06:59-20:20

3 stops48h 21m

$1,756

PerthWashington, D.C.

PER - DCA

PERDCA

Perth

Thu 19/2

22:55-08:55

3 stops47h 00m

Washington, D.C. Reagan-National

Mon 23/2

20:40-14:30

3 stops52h 50m

$1,769

PerthWashington, D.C.

PER - DCA

PERDCA

Perth

Thu 19/2

15:15-22:35

3 stops44h 20m

Washington, D.C. Reagan-National

Mon 23/2

06:59-20:20

3 stops48h 21m

$1,775

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

07:15-22:53

2 stops27h 38m

Washington, D.C. Dulles Intl

Mon 6/4

17:52-17:00

2 stops35h 08m

$1,810

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

07:15-22:53

2 stops27h 38m

Washington, D.C. Dulles Intl

Mon 6/4

17:52-17:00

2 stops35h 08m

$1,822

PerthWashington, D.C.

PER - DCA

PERDCA

Perth

Mon 16/3

22:45-20:57

3 stops34h 12m

Washington, D.C. Reagan-National

Mon 6/4

16:59-11:15

2 stops30h 16m

$1,913

PerthWashington, D.C.

PER - DCA

PERDCA

Perth

Wed 25/3

22:40-20:57

2 stops34h 17m

Washington, D.C. Reagan-National

Tue 21/4

17:30-12:05

2 stops30h 35m

$1,934

PerthWashington, D.C.

PER - DCA

PERDCA

Perth

Sun 18/1

22:40-14:57

2 stops29h 17m

Washington, D.C. Reagan-National

Sun 25/1

13:35-12:25

3 stops33h 50m

$1,936

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

22:40-16:31

2 stops29h 51m

Washington, D.C. Dulles Intl

Mon 6/4

17:52-13:35

2 stops31h 43m

$2,093

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Sun 18/1

23:45-19:35

2 stops32h 50m

Washington, D.C. Dulles Intl

Sun 25/1

16:10-11:20

2 stops30h 10m

$2,322

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 Perth to Washington, D.C.

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

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from Perth is in March. Flight prices, which tend to average around $1,718, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in March, then you should wait until January to fly from Perth, when ticket prices are also cheap, with an average price of $1,879.

What is the cheapest day to depart on your flight to Washington, D.C.?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C.. Tickets to fly out on this day can be as low as $2,369. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. on Saturday is $2,885.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

Flying to Washington, D.C. from Perth at midday is the least expensive time of day to depart. momondo users have found prices as low as $2,429 when looking at flights departing at midday. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of $3,090. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

Estimated return price

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

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

Fastest flight time	26h 44m
Direct flights	None

The fastest flight from Perth to Washington, D.C. takes 26h 44m

There are no direct flights from Perth to Washington, D.C.. There are no popular flight routes from Perth to Washington, D.C..

Search flight deals

How far is Perth to Washington, D.C. by plane?
Washington, D.C. is 18603.3 km away from Perth. By plane, this route typically takes 27h 38m.
When did momondo last update prices for flights from Perth Airport to Washington, D.C.?
Prices for flights from Perth Airport to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Perth Airport to Washington, D.C.?
There are 3 operators available for flights from Perth Airport to Washington, D.C. as of November 2025.
How old do you have to be to fly from Perth Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Perth Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Perth to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Perth to Washington, D.C. is Qatar Airways, representing 49% of all bookings. The subsequent popular airlines are Qantas Airways at 32% and Virgin Australia at 19%.

Best airlines flying from Perth to Washington, D.C.

Compare and see reviews for airlines that fly from Perth to Washington, D.C. with momondo

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $1,852	Free cancellation	Rating 7.5 946 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $2,101	Free cancellation	Rating 8.1 1,411 reviews	Search Singapore Airlines flights
Qatar Airways	PriceFrom $2,242	Free cancellation	Rating 7.4 3,677 reviews	Search Qatar Airways flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Perth to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Perth to Washington, D.C. with flexible booking policies on momondo?

All flight searches from Perth to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Perth to Washington, D.C.?

Once all potential Perth to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Perth and alert you when they change.