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

Qatar Airways and Singapore Airlines 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.

$1,304 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

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

22:55 - 20:26PER-IAD

33h 31m3 stops

22:05 - 21:30IAD-PER

59h 25m3 stops

$1,651Air Canada

Find Deal

Mon, 16 Mar - Mon, 6 Apr

05:30 - 22:15PER-IAD

28h 45m2 stops

17:10 - 17:05IAD-PER

35h 55m2 stops

$1,860Qantas Airways

Find Deal

Mon, 16 Mar - Mon, 6 Apr

05:30 - 22:15PER-IAD

28h 45m2 stops

17:10 - 17:05IAD-PER

35h 55m2 stops

$1,862Qantas Airways

Find Deal

Mon, 16 Mar - Mon, 6 Apr

22:45 - 20:54PER-DCA

34h 09m3 stops

14:59 - 08:50DCA-PER

29h 51m2 stops

$1,920Multiple Airlines

Find Deal

Mon, 16 Mar - Mon, 6 Apr

22:40 - 13:44PER-DCA

27h 04m2 stops

14:59 - 08:50DCA-PER

29h 51m2 stops

$1,937Multiple Airlines

Find Deal

Mon, 16 Mar - Mon, 6 Apr

22:40 - 22:15PER-IAD

35h 35m2 stops

17:10 - 13:35IAD-PER

32h 25m2 stops

$2,108American Airlines

Find Deal

Mon, 16 Mar - Mon, 6 Apr

15:55 - 15:55PER-IAD

37h 00m1 stop

20:05 - 12:20IAD-PER

27h 15m1 stop

$3,127Qatar Airways

Find Deal

Mon, 12 Jan - Sun, 8 Feb

15:55 - 15:55PER-IAD

37h 00m1 stop

20:05 - 12:20IAD-PER

27h 15m1 stop

$3,179Qatar Airways

Find Deal

Mon, 12 Jan - Sun, 8 Feb

22:45 - 07:19PER-BWI

45h 34m2 stops

18:34 - 14:30BWI-PER

30h 56m2 stops

$3,231Virgin Australia

Find Deal

Fri, 5 Dec - Thu, 15 Jan

23:45 - 18:54PER-IAD

32h 09m2 stops

22:20 - 11:20IAD-PER

48h 00m2 stops

$3,376Virgin Australia

Find Deal

Thu, 11 Dec - Sun, 18 Jan

Air Canada flights from Perth to Washington, D.C.

Our best Air Canada deals on Perth to Washington, D.C. flight tickets

Air Canada

16 Mar

PER22:55Perth

33h 31m

3 stops

IAD20:26Washington, D.C. Dulles Intl

6 Apr

IAD22:05Washington, D.C. Dulles Intl

59h 25m

3 stops

PER21:30Perth

$1,651

Find similar

Air Canada

16 Mar

PER22:55Perth

33h 31m

3 stops

IAD20:26Washington, D.C. Dulles Intl

6 Apr

IAD22:05Washington, D.C. Dulles Intl

59h 25m

3 stops

PER21:30Perth

$1,922

Find similar

Air Canada

8 Nov

PER15:15Perth

42h 11m

3 stops

IAD20:26Washington, D.C. Dulles Intl

10 Nov

IAD22:11Washington, D.C. Dulles Intl

51h 19m

3 stops

PER14:30Perth

$3,113

Find similar

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

PER05:30Perth

28h 45m

2 stops

IAD22:15Washington, D.C. Dulles Intl

6 Apr

IAD17:10Washington, D.C. Dulles Intl

35h 55m

2 stops

PER17:05Perth

$1,860

Find similar

Qantas Airways

16 Mar

PER05:30Perth

28h 45m

2 stops

IAD22:15Washington, D.C. Dulles Intl

6 Apr

IAD17:10Washington, D.C. Dulles Intl

35h 55m

2 stops

PER17:05Perth

$1,862

Find similar

Qantas Airways

16 Mar

PER07:15Perth

27h 09m

2 stops

BWI22:24Baltimore/Washington

6 Apr

BWI15:24Baltimore/Washington

29h 26m

2 stops

PER08:50Perth

$1,920

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

22:55-20:26

3 stops33h 31m

Washington, D.C. Dulles Intl

Mon 6/4

22:05-21:30

3 stops59h 25m

$1,651

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

05:30-22:15

2 stops28h 45m

Washington, D.C. Dulles Intl

Mon 6/4

17:10-17:05

2 stops35h 55m

$1,860

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

05:30-22:15

2 stops28h 45m

Washington, D.C. Dulles Intl

Mon 6/4

17:10-17:05

2 stops35h 55m

$1,862

PerthWashington, D.C.

PER - DCA

PERDCA

Perth

Mon 16/3

22:45-20:54

3 stops34h 09m

Washington, D.C. Reagan-National

Mon 6/4

14:59-08:50

2 stops29h 51m

$1,920

PerthWashington, D.C.

PER - DCA

PERDCA

Perth

Mon 16/3

22:40-13:44

2 stops27h 04m

Washington, D.C. Reagan-National

Mon 6/4

14:59-08:50

2 stops29h 51m

$1,937

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 16/3

22:40-22:15

2 stops35h 35m

Washington, D.C. Dulles Intl

Mon 6/4

17:10-13:35

2 stops32h 25m

$2,108

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 12/1

15:55-15:55

1 stop37h 00m

Washington, D.C. Dulles Intl

Sun 8/2

20:05-12:20

1 stop27h 15m

$3,127

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Mon 12/1

15:55-15:55

1 stop37h 00m

Washington, D.C. Dulles Intl

Sun 8/2

20:05-12:20

1 stop27h 15m

$3,179

PerthBaltimore

PER - BWI

PERBWI

Perth

Fri 5/12

22:45-07:19

2 stops45h 34m

Baltimore/Washington

Thu 15/1

18:34-14:30

2 stops30h 56m

$3,230

PerthWashington, D.C.

PER - IAD

PERIAD

Perth

Thu 11/12

23:45-18:54

2 stops32h 09m

Washington, D.C. Dulles Intl

Sun 18/1

22:20-11:20

2 stops48h 00m

$3,376

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 $1,714, 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 $1,874.

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 $2,363. 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 $2,877.

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 $2,423 when looking at flights departing at midday. Flights to Washington, D.C. are more costly in the morning, with an average ticket price of $3,082. 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.

Direct flights	None

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

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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 04m.
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 50% of all bookings. The subsequent popular airlines are Qantas Airways at 32% and Virgin Australia at 18%.

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 $1,847	Free cancellation	Rating 7.5 926 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $2,095	Free cancellation	Rating 8.1 1,391 reviews	Search Singapore Airlines flights
Qatar Airways	PriceFrom $2,236	Free cancellation	Rating 7.4 3,661 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.