Cheap flights from Perth to Washington from $989

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Washington departing on 28/5. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Perth to Washington

Cheap return flights

Enter your travel dates to find the best prices.
Philippine Airlines Logo
08:35 - 20:05
PER
-
SEA
26h 30m
1 stop
Philippine Airlines Logo
23:55 - 07:15
SEA
-
PER
40h 20m
1 stop
$1,630Philippine Airlines
Thu, 22 Oct - Mon, 26 Oct
Philippine Airlines Logo
08:35 - 20:05
PER
-
SEA
26h 30m
1 stop
Philippine Airlines Logo
23:55 - 07:15
SEA
-
PER
40h 20m
1 stop
$1,739Philippine Airlines
Thu, 22 Oct - Mon, 26 Oct
Multiple Airlines Logo
05:35 - 15:15
PER
-
SEA
48h 40m
3 stops
Multiple Airlines Logo
00:10 - 04:15
SEA
-
PER
61h 05m
3 stops
$1,778Multiple Airlines
Thu, 22 Oct - Sun, 25 Oct
Multiple Airlines Logo
18:25 - 16:10
PER
-
SEA
36h 45m
2 stops
Multiple Airlines Logo
01:15 - 17:10
SEA
-
PER
48h 55m
2 stops
$1,865Multiple Airlines
Thu, 3 Sep - Mon, 14 Sep
Qantas Airways Logo
23:45 - 22:44
PER
-
SEA
37h 59m
2 stops
Qantas Airways Logo
17:04 - 19:10
SEA
-
PER
35h 06m
2 stops
$1,872Qantas Airways
Mon, 8 Jun - Sun, 21 Jun
Multiple Airlines Logo
22:55 - 15:15
PER
-
SEA
31h 20m
2 stops
Multiple Airlines Logo
23:55 - 07:15
SEA
-
PER
40h 20m
1 stop
$1,909Multiple Airlines
Thu, 22 Oct - Mon, 26 Oct
Singapore Airlines Logo
16:55 - 08:45
PER
-
SEA
30h 50m
1 stop
Singapore Airlines Logo
08:45 - 05:25
SEA
-
PER
28h 40m
1 stop
$1,916Singapore Airlines
Thu, 22 Oct - Thu, 5 Nov
Multiple Airlines Logo
05:35 - 15:15
PER
-
SEA
48h 40m
3 stops
Multiple Airlines Logo
00:10 - 17:10
SEA
-
PER
50h 00m
3 stops
$1,923Multiple Airlines
Thu, 17 Sep - Fri, 16 Oct
American Airlines Logo
23:55 - 21:49
PER
-
SEA
36h 54m
2 stops
American Airlines Logo
14:40 - 11:15
SEA
-
PER
29h 35m
2 stops
$1,941American Airlines
Sun, 7 Jun - Wed, 17 Jun
Qantas Airways Logo
10:35 - 23:44
PER
-
PDX
28h 09m
2 stops
Qantas Airways Logo
15:27 - 19:10
PDX
-
PER
36h 43m
2 stops
$2,028Qantas Airways
Mon, 1 Jun - Thu, 18 Jun

American Airlines flights from Perth to State of Washington

Our best American Airlines deals on Perth to State of Washington flight tickets
American Airlines
7 June
PER23:55Perth
36h 54m
2 stops
SEA21:49Seattle/Tacoma Intl
17 June
SEA14:40Seattle/Tacoma Intl
29h 35m
2 stops
PER11:15Perth
$1,941
American Airlines
15 June
PER10:00Perth
50h 49m
2 stops
SEA21:49Seattle/Tacoma Intl
24 June
SEA07:31Seattle/Tacoma Intl
36h 44m
2 stops
PER11:15Perth
$1,942
American Airlines
11 June
PER10:35Perth
42h 22m
2 stops
SEA13:57Seattle/Tacoma Intl
24 June
SEA07:31Seattle/Tacoma Intl
36h 44m
2 stops
PER11:15Perth
$1,944

United Airlines flights from Perth to State of Washington

Our best United Airlines deals on Perth to State of Washington flight tickets
United Airlines
7 June
PER23:55Perth
36h 15m
3 stops
SEA21:10Seattle/Tacoma Intl
15 June
SEA17:06Seattle/Tacoma Intl
27h 34m
2 stops
PER11:40Perth
$2,093
United Airlines
15 June
PER15:30Perth
44h 40m
3 stops
SEA21:10Seattle/Tacoma Intl
24 June
SEA17:06Seattle/Tacoma Intl
27h 34m
2 stops
PER11:40Perth
$2,094
United Airlines
17 June
PER18:10Perth
33h 24m
2 stops
SEA12:34Seattle/Tacoma Intl
8 July
SEA08:35Seattle/Tacoma Intl
36h 05m
2 stops
PER11:40Perth
$2,105

momondo Fare Finder

 
Customise your flight search to find flights from Perth to State of Washington 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 14 May 2026.
Use the filters below to find and compare flights from Perth to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Mon 26/10

23:55-07:15

1 stop40h 20m

$1,630

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Mon 26/10

23:55-07:15

1 stop40h 20m

$1,739

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

05:35-15:15

3 stops48h 40m

Seattle/Tacoma Intl

Sun 25/10

00:10-04:15

3 stops61h 05m

$1,778

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 3/9

18:25-16:10

2 stops36h 45m

Seattle/Tacoma Intl

Mon 14/9

01:15-17:10

2 stops48h 55m

$1,865

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 8/6

23:45-22:44

2 stops37h 59m

Seattle/Tacoma Intl

Sun 21/6

17:04-19:10

2 stops35h 06m

$1,872

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

22:55-15:15

2 stops31h 20m

Seattle/Tacoma Intl

Mon 26/10

23:55-07:15

1 stop40h 20m

$1,909
Fastest return journey

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

16:55-08:45

1 stop30h 50m

Seattle/Tacoma Intl

Thu 5/11

08:45-05:25

1 stop28h 40m

$1,916

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 17/9

05:35-15:15

3 stops48h 40m

Seattle/Tacoma Intl

Fri 16/10

00:10-17:10

3 stops50h 00m

$1,923

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 7/6

23:55-21:49

2 stops36h 54m

Seattle/Tacoma Intl

Wed 17/6

14:40-11:15

2 stops29h 35m

$1,941

PerthPortland

PER - PDX

PERPDX

Perth

Mon 1/6

10:35-23:44

2 stops28h 09m

Portland

Thu 18/6

15:27-19:10

2 stops36h 43m

$2,028

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington from

How to get the cheapest flight ticket from Perth to State of Washington

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 cheapest month to fly to State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from Perth, with most prices found around $1,212. If you aren’t able to travel during the month of January, then book flights to State of Washington from Perth during July instead. Flights to State of Washington in July, while not as cheap as those in January, still average around $1,249.

Can stopping save me money on Perth to State of Washington flights?

You could potentially save up to 38% on your flight if you consider stops on a Perth to State of Washington flight.

Cheap Perth to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Perth to State of Washington

Fastest flight time

25h 19m

Direct flights

None
The fastest flight from Perth to State of Washington takes 25h 19m
There are no direct flights from Perth to State of Washington. There are no popular flight routes from Perth to State of Washington.

Frequently asked questions about flying from Perth to Washington

  • When did momondo last update prices for flights from Perth Airport to Washington?

    Prices for flights from Perth Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from Perth Airport to Washington?

  • How old do you have to be to fly from Perth Airport to Washington?

    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.

  • What documentation or ID do you need to fly to Washington?

    The required travel and health documents for your Washington 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Perth to State of Washington

Compare and see reviews for airlines that fly from Perth to State of Washington with momondo
Airline
Rating
Free cancellation
Price
Japan AirlinesPriceFrom $1,249Free cancellationRating
8.3
1,825 reviews
Search Japan Airlines flights
Qantas AirwaysPriceFrom $1,544Free cancellationRating
7.5
1,037 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,551Free cancellationRating
8.2
1,513 reviews
Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Perth to Washington?

Finding the right flight to Washington from Perth 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 Washington quick and easy, saving you time and money.

Can I find flights from Perth to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Perth to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from Perth to Washington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington from Perth.

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

Price alerts on flights to Washington from Perth are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your State of Washington trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 13/6
Sat 20/6

Find better results for your trip to Washington