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Perth

$537+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PER
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,267
(oojo)

One-way from

$537
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,562
Provider with most accurate pricing for Seattle/Tacoma Intl-Perth flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Perth flights.
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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. 9% potential increase in price ($172 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This oojo deal was found by Cheapflights users on 4/30. 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.
Sat 10/254:30 pmSEA - PER
1 stop28h 30mQatar Airways
Sun 11/910:45 pmPER - SEA
1 stop29h 00mQatar Airways
Deal found 4/30$1,265
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:45 amSEA - PER
1 stop35h 50mSingapore Airlines
Thu 11/131:10 amPER - SEA
1 stop22h 00mSingapore Airlines
Deal found 4/28$1,317
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/711:55 pmSEA - PER
1 stop39h 20mMultiple Airlines
Thu 11/1312:15 amPER - SEA
2 stops25h 35mMultiple Airlines
Deal found 4/28$1,385
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:30 pmPDX - PER
2 stops34h 25mSingapore Airlines
Mon 3/301:10 amPER - PDX
2 stops26h 07mSingapore Airlines
Deal found 4/30$1,494
This oojo deal was found by Cheapflights users on 4/28. 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.
Fri 11/77:00 amSEA - PER
2 stops34h 35mCathay Pacific
Thu 11/1312:15 amPER - SEA
2 stops48h 00mCathay Pacific
Deal found 4/28$1,510
This BestPriceTravel deal was found by Cheapflights users on 4/29. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/44:00 pmSEA - PER
2 stops29h 20mQantas Airways
Wed 6/1110:30 amPER - SEA
2 stops26h 04mQantas Airways
Deal found 4/29$1,671
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/135:14 pmSEA - PER
2 stops28h 16mUnited Airlines
Fri 6/2011:45 pmPER - SEA
2 stops36h 26mUnited Airlines
Deal found 4/29$1,715
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:15 pmPDX - PER
2 stops33h 45mAir New Zealand
Tue 3/313:25 pmPER - PDX
3 stops42h 21mAir New Zealand
Deal found 4/30$1,891
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:40 amPDX - PER
2 stops34h 20mQatar Airways
Sun 1/410:45 pmPER - PDX
2 stops39h 41mQatar Airways
Deal found 4/30$1,896
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:40 amPDX - PER
2 stops40h 05mMultiple Airlines
Sat 1/312:50 amPER - PDX
2 stops38h 29mMultiple Airlines
Deal found 4/30$2,211
This StudentUniverse deal was found by Cheapflights users on 4/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:10 amPDX - PER
3 stops42h 10mANA
Sat 1/31:10 amPER - PDX
3 stops33h 14mANA
Deal found 4/30$13,508

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 May 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

Sat 10/25

4:30 pm-12:00 pm

1 stop28h 30m

Perth

Sun 11/9

10:45 pm-11:45 am

1 stop29h 00m

$1,265

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sat 10/25

10:15 am-11:55 pm

1 stop22h 40m

Perth

Sat 11/8

1:10 am-7:10 am

1 stop22h 00m

$1,342

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 6/12

2:40 pm-2:55 pm

2 stops33h 15m

Perth

Wed 6/18

12:10 am-10:35 am

2 stops25h 25m

$1,479

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 6/4

4:00 pm-12:20 pm

2 stops29h 20m

Perth

Wed 6/11

10:30 am-9:34 pm

2 stops26h 04m

$1,671

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 6/13

5:14 pm-12:30 pm

2 stops28h 16m

Perth

Fri 6/20

11:45 pm-9:11 pm

2 stops36h 26m

$1,715

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 8/20

5:36 pm-7:50 pm

3 stops59h 14m

$582

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 6/13

2:40 pm-11:30 pm

2 stops41h 50m

$721

PortlandPerth

PDX - PER

PDXPER

Portland

Fri 8/22

1:45 pm-12:55 pm

2 stops32h 10m

$748

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 7/3

5:55 pm-5:05 pm

2 stops32h 10m

$902

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 6/24

2:50 pm-2:40 pm

2 stops32h 50m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 14 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 $1,448). 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 May 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.

Rainfall in Perth by month

Plan your trip to Perth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Perth ranges from 0.0 - 6.7 inches per month. June is typically the wettest month, when rainfall can reach 6.7 in. January is typically the driest time to visit Perth when rainfall is around 0.0 in.

Temperature in Perth by month

Plan your trip to Perth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 53.6 F).

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 May 1, 2025.
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,292 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qantas Airways
7.5
Good
829 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
855 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,563 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
United Airlines
7.4
Good
8,696 reviews
Singapore Airlines
8.1
Very good
1,292 reviews

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 cheapest airlines to fly from State of Washington to Perth one-way?

    To fly one-way, consider booking your trip with Philippine Airlines, which is currently one of the cheapest options available, starting at $592. Qantas Airways flights start at $707 while deals on Qatar Airways start at $722 one-way.

  • 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 $1,448). 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 Washington?

Book flights to Washington 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 3 airlines flying from Washington to Perth

Discover the top 3 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,165Average$1,388FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,210Average$1,538FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,315Average$1,712FlexibilityNo cancel feeOn-time68%

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