Cheap flights from Perth to Washington from $853

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 9/2. 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.
Japan Airlines Logo
10:30 - 09:55
PER
-
SEA
39h 25m2 stops
Japan Airlines Logo
12:30 - 23:55
SEA
-
PER
43h 25m2 stops
$1,350Japan Airlines
Mon, 16 Feb - Wed, 4 Mar
Japan Airlines Logo
00:10 - 10:25
PER
-
SEA
25h 15m2 stops
Japan Airlines Logo
13:30 - 00:40
SEA
-
PER
44h 10m2 stops
$1,601Japan Airlines
Sat, 2 May - Wed, 6 May
Japan Airlines Logo
00:10 - 10:25
PER
-
SEA
25h 15m2 stops
Japan Airlines Logo
13:30 - 00:40
SEA
-
PER
44h 10m2 stops
$1,604Japan Airlines
Sat, 2 May - Wed, 6 May
Japan Airlines Logo
10:30 - 09:55
PER
-
SEA
39h 25m2 stops
Japan Airlines Logo
12:30 - 22:55
SEA
-
PER
42h 25m2 stops
$1,618Japan Airlines
Sun, 25 Jan - Sun, 1 Feb
ANA Logo
21:55 - 13:20
PER
-
SEA
31h 25m1 stop
ANA Logo
15:45 - 20:10
SEA
-
PER
36h 25m1 stop
$1,630ANA
Mon, 16 Feb - Wed, 4 Mar
Multiple Airlines Logo
23:10 - 14:31
PER
-
SEA
31h 21m2 stops
Multiple Airlines Logo
21:30 - 07:20
SEA
-
PER
41h 50m1 stop
$1,643Multiple Airlines
Mon, 16 Feb - Wed, 4 Mar
Multiple Airlines Logo
23:10 - 09:31
PER
-
SEA
26h 21m2 stops
Multiple Airlines Logo
20:00 - 22:15
SEA
-
PER
34h 15m2 stops
$1,657Multiple Airlines
Sat, 24 Jan - Sat, 31 Jan
Air Canada Logo
22:40 - 09:30
PER
-
PDX
25h 50m2 stops
Air Canada Logo
10:10 - 17:00
PDX
-
PER
39h 50m2 stops
$2,418Air Canada
Sun, 3 May - Wed, 6 May
Air Canada Logo
22:40 - 19:05
PER
-
PDX
35h 25m2 stops
Air Canada Logo
15:25 - 17:00
PDX
-
PER
34h 35m2 stops
$2,421Air Canada
Sun, 3 May - Wed, 6 May
United Airlines Logo
15:15 - 18:55
PER
-
PDX
43h 40m3 stops
United Airlines Logo
13:35 - 11:20
PDX
-
PER
53h 45m3 stops
$3,026United Airlines
Sat, 24 Jan - Sat, 31 Jan

Singapore Airlines flights from Perth to State of Washington

Our best Singapore Airlines deals on Perth to State of Washington flight tickets
Singapore Airlines
25 Jan
PER13:50Perth
57h 20m
1 stop
SEA07:10Seattle/Tacoma Intl
1 Feb
SEA08:45Seattle/Tacoma Intl
52h 40m
1 stop
PER05:25Perth
Singapore Airlines
23 Jan
PER01:15Perth
21h 55m
1 stop
SEA07:10Seattle/Tacoma Intl
31 Jan
SEA08:45Seattle/Tacoma Intl
52h 40m
1 stop
PER05:25Perth

Japan Airlines flights from Perth to State of Washington

Our best Japan Airlines deals on Perth to State of Washington flight tickets
Japan Airlines
2 May
PER00:10Perth
25h 15m
2 stops
SEA10:25Seattle/Tacoma Intl
6 May
SEA13:30Seattle/Tacoma Intl
44h 10m
2 stops
PER00:40Perth
Japan Airlines
2 May
PER00:10Perth
25h 15m
2 stops
SEA10:25Seattle/Tacoma Intl
6 May
SEA13:30Seattle/Tacoma Intl
44h 10m
2 stops
PER00:40Perth
Japan Airlines
2 May
PER00:10Perth
25h 15m
2 stops
SEA10:25Seattle/Tacoma Intl
6 May
SEA13:30Seattle/Tacoma Intl
44h 10m
2 stops
PER00:40Perth

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 12 December 2025.
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

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

10:30-09:55

2 stops39h 25m

Seattle/Tacoma Intl

Wed 4/3

12:30-23:55

2 stops43h 25m

$1,350

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 2/5

00:10-10:25

2 stops25h 15m

Seattle/Tacoma Intl

Wed 6/5

13:30-00:40

2 stops44h 10m

$1,601

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 2/5

00:10-10:25

2 stops25h 15m

Seattle/Tacoma Intl

Wed 6/5

13:30-00:40

2 stops44h 10m

$1,604

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 25/1

10:30-09:55

2 stops39h 25m

Seattle/Tacoma Intl

Sun 1/2

12:30-22:55

2 stops42h 25m

$1,618

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

21:55-13:20

1 stop31h 25m

Seattle/Tacoma Intl

Wed 4/3

15:45-20:10

1 stop36h 25m

$1,630

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 16/2

23:10-14:31

2 stops31h 21m

Seattle/Tacoma Intl

Wed 4/3

21:30-07:20

1 stop41h 50m

$1,643

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 24/1

23:10-09:31

2 stops26h 21m

Seattle/Tacoma Intl

Sat 31/1

20:00-22:15

2 stops34h 15m

$1,657

PerthPortland

PER - PDX

PERPDX

Perth

Sun 3/5

22:40-09:30

2 stops25h 50m

Portland

Wed 6/5

10:10-17:00

2 stops39h 50m

$2,418

PerthPortland

PER - PDX

PERPDX

Perth

Sun 3/5

22:40-19:05

2 stops35h 25m

Portland

Wed 6/5

15:25-17:00

2 stops34h 35m

$2,421

PerthPortland

PER - PDX

PERPDX

Perth

Sat 24/1

15:15-18:55

3 stops43h 40m

Portland

Sat 31/1

13:35-11:20

3 stops53h 45m

$3,026

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 September is, on average, the cheapest month to fly to State of Washington from Perth, with most prices found around $1,709. If you aren’t able to travel during the month of September, then book flights to State of Washington from Perth during October instead. Flights to State of Washington in October, while not as cheap as those in September, still average around $1,748.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart on your flight to State of Washington is on a Wednesday when prices can be found for as low as $1,892. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to State of Washington on Monday is $2,197.

What is the cheapest time of day to depart on your flight to State of Washington?

In the morning is the cheapest time of day to fly from Perth to State of Washington when you can find flight prices for as low as $1,717. Flying to State of Washington in the morning is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of $2,247.

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $2,005 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Perth for as low as $1,681 on momondo.

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

You could potentially save up to 8% 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

28h 19m

Direct flights

None
The fastest flight from Perth to State of Washington takes 28h 19m
There are no direct flights from Perth to State of Washington. There are no popular flight routes from Perth to State of 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 $1,447Free cancellationRating
8.3
1,653 reviews
Search Japan Airlines flights
ANAPriceFrom $1,582Free cancellationRating
8.4
1,021 reviews
Search ANA flights
Qantas AirwaysPriceFrom $1,678Free cancellationRating
7.5
947 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,679Free cancellationRating
8.1
1,412 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
Sun 11/1
Sun 18/1

Find better results for your trip to Washington