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Perth

$820+ Cheap flights from Washington to Perth (PER)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PER
Aug 6 — Aug 131
Mi 8/6
Mi 8/13
1 adult, Economy
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Cheap flight deals from Washington to Perth

Keep the following information in mind while searching for Washington to Perth flight deals. Data was last updated August 1, 2025.

Round-trip from

$1,100
(lol.travel)

One-way from

$573
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,459
From Washington to Perth
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One-way flight from Washington to Perth
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Highest demand for flights based on searches. 12% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Washington to Perth

Cheapest flights from Washington to Perth
Explore the most affordable flight options available from Washington to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 11/412:10 amSEA - PER
2 stops36h 40mMultiple Airlines
Mo 3/233:35 amPER - SEA
2 stops30h 35mMultiple Airlines
Deal found 7/29$1,158
This Priceline deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 9/135:35 pmPDX - PER
2 stops32h 30mQantas Airways
Sa 9/209:05 amPER - PDX
2 stops27h 11mQantas Airways
Deal found 7/30$1,202
This Qantas Airways deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/115:59 pmSEA - PER
2 stops28h 36mQantas Airways
Do 9/1810:30 amPER - SEA
2 stops24h 54mQantas Airways
Deal found 7/31$1,211
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 9/127:15 pmSEA - PER
2 stops26h 40mAir Canada
Di 9/2310:45 pmPER - SEA
2 stops25h 37mAir Canada
Deal found 7/30$1,217
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/114:30 pmSEA - PER
1 stop28h 25mQatar Airways
Do 9/1810:45 pmPER - SEA
1 stop29h 00mQatar Airways
Deal found 7/30$1,265
This FlightHub deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 10/141:25 pmPDX - PER
2 stops38h 15mQatar Airways
Di 11/410:45 pmPER - PDX
2 stops37h 52mQatar Airways
Deal found 7/31$1,298
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 10/1410:15 amSEA - PER
1 stop35h 15mSingapore Airlines
Mo 10/201:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 7/31$1,305
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 11/1510:00 pmPDX - PER
2 stops33h 55mSingapore Airlines
Do 11/271:10 amPER - PDX
2 stops28h 37mSingapore Airlines
Deal found 7/30$1,332
This oojo deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 10/12:36 pmGEG - PER
2 stops61h 04mQatar Airways
Fr 10/3110:45 pmPER - GEG
2 stops54h 22mQatar Airways
Deal found 7/31$1,372
This lastminute.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 9/198:37 amSEA - PER
2 stops32h 08mCathay Pacific
Mi 10/112:10 amPER - SEA
2 stops37h 49mCathay Pacific
Deal found 7/31$1,404
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 11/247:01 amPDX - PER
2 stops31h 54mCathay Pacific
Mo 3/3012:10 amPER - PDX
2 stops48h 39mCathay Pacific
Deal found 7/30$1,515
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 11/156:00 amPDX - PER
2 stops38h 25mAmerican Airlines
Fr 11/2810:20 amPER - PDX
2 stops27h 41mAmerican Airlines
Deal found 7/30$1,526

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Perth 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, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2025.
Use the filters below to find and compare flights from Washington to Perth that are best for you.

Fly from

Washington

Fly to

Perth

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Di 11/4

12:10 am-4:50 am

2 stops36h 40m

Perth

Mo 3/23

3:35 am-7:10 pm

2 stops30h 35m

$1,158

PortlandPerth

PDX - PER

PDXPER

Portland

Sa 9/13

5:35 pm-5:05 pm

2 stops32h 30m

Perth

Sa 9/20

9:05 am-9:16 pm

2 stops27h 11m

$1,202

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Do 9/11

5:59 pm-1:35 pm

2 stops28h 36m

Perth

Do 9/18

10:30 am-8:24 pm

2 stops24h 54m

$1,211

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fr 9/12

7:15 pm-12:55 pm

2 stops26h 40m

Perth

Di 9/23

10:45 pm-9:22 am

2 stops25h 37m

$1,217

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Do 9/11

4:30 pm-11:55 am

1 stop28h 25m

Perth

Do 9/18

10:45 pm-12:45 pm

1 stop29h 00m

$1,265

PortlandPerth

PDX - PER

PDXPER

Portland

Di 10/14

1:25 pm-6:40 pm

2 stops38h 15m

Perth

Di 11/4

10:45 pm-8:37 pm

2 stops37h 52m

$1,298

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Di 10/14

10:15 am-12:30 pm

1 stop35h 15m

Perth

Mo 10/20

1:10 am-8:45 am

1 stop22h 35m

$1,305

SpokanePerth

GEG - PER

GEGPER

Spokane

Mi 10/1

2:36 pm-6:40 pm

2 stops61h 04m

Perth

Fr 10/31

10:45 pm-2:07 pm

2 stops54h 22m

$1,372

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fr 9/19

8:37 am-7:45 am

2 stops32h 08m

Perth

Mi 10/1

12:10 am-10:59 pm

2 stops37h 49m

$1,404

PortlandPerth

PDX - PER

PDXPER

Portland

Di 10/14

7:00 am-5:10 am

2 stops31h 10m

Perth

Mo 11/3

1:10 am-1:23 pm

2 stops28h 13m

$1,434

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 19 results
1
2

Best time to book a flight from Washington to Perth

Have a flexible travel schedule? Discover the best time to fly to Perth from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Perth

What is the cheapest month to book a flight from State of Washington to Perth?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Perth (average of $1,454). Flying from State of Washington to Perth in December is currently the most expensive (average of $2,172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to PER?

Find hourly flight availability from Washington to Perth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Perth as you normally would.

Reviews of airlines servicing Perth

Get insights into the airlines that provide service to Perth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Perth. Reviews last updated August 1, 2025.
Read through reviews of airlines operating flights from Washington to Perth, such as Singapore Airlines, Air New Zealand, and Hawaiian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,338 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Air New Zealand
8.0
Very good
501 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Hawaiian Airlines
7.8
Good
2,611 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.6
Good
949 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qantas Airways
7.5
Good
887 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Crew

8.6

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Food

7.7

Overall

8.1

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from Washington to Perth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Perth from Washington?

    Located just 6.3 mi from the city center, Perth (PER) is the airport most travelers will use when flying to Perth from Washington.

  • What are the most popular routes from State of Washington to Perth?

    While some choose either Portland - Perth or Spokane - Perth, Seattle/Tacoma Intl - Perth is the most popular route from State of Washington to Perth.

  • Can I find deals for flights from Washington to Perth that include hotel bookings?

    Yes. In addition to deals on Washington to Perth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Perth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Perth.

  • Can I find deals for business class flights from Washington to Perth?

    Yes. Cheapflights offers flight deals from Washington to Perth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Perth?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Perth (average of $1,454). Flying from State of Washington to Perth in December is currently the most expensive (average of $2,172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Perth?

Book flights to Perth if you plan to visit one of these locations
Fremantle
Rottnest Island
Scarborough

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Alternative routes for Washington to Perth

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington to Perth

Discover the top 4 airlines that operate flights from Washington to Perth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,166Average$1,330FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,251Average$1,506FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,315Average$1,679FlexibilityNo cancel feeOn-time68%
Qantas AirwaysCheapest$1,318Average$1,456FlexibilityNo cancel feeOn-time74%

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