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Perth

$633+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PER
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,269
(oojo)

One-way from

$633
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,497
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. 10% potential increase in price ($175 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This CheapTickets deal was found by Cheapflights users on 4/22. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/67:15 pmSEA - PER
2 stops30h 55mMultiple Airlines
Fri 6/139:55 pmPER - SEA
2 stops30h 03mMultiple Airlines
Deal found 4/22$1,227
This oojo deal was found by Cheapflights users on 4/22. 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 11/93:05 pmPER - SEA
1 stop36h 40mQatar Airways
Deal found 4/22$1,265
This FlightHub deal was found by Cheapflights users on 4/21. 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.
Thu 10/21:24 pmPDX - PER
2 stops38h 16mQatar Airways
Sun 10/1210:45 pmPER - PDX
2 stops46h 33mQatar Airways
Deal found 4/21$1,320
This Singapore Airlines deal was found by Cheapflights users on 4/22. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Sat 11/81:10 amPER - SEA
1 stop22h 00mSingapore Airlines
Deal found 4/22$1,342
This StudentUniverse deal was found by Cheapflights users on 4/21. 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.
Wed 11/59:50 pmPDX - PER
2 stops39h 35mSingapore Airlines
Mon 11/175:30 pmPER - PDX
2 stops35h 49mSingapore Airlines
Deal found 4/21$1,346
This StudentUniverse deal was found by Cheapflights users on 4/21. 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.
Wed 11/53:25 pmPDX - PER
3 stops34h 35mAir New Zealand
Mon 11/1710:55 pmPER - PDX
3 stops35h 41mAir New Zealand
Deal found 4/21$1,425
This StudentUniverse deal was found by Cheapflights users on 4/21. 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.
Thu 10/22:30 pmPDX - PER
2 stops41h 00mMultiple Airlines
Sat 10/1112:25 amPER - PDX
2 stops37h 54mMultiple Airlines
Deal found 4/21$1,583
This Justfly.com deal was found by Cheapflights users on 4/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/303:00 pmPDX - PER
2 stops37h 25mQantas Airways
Tue 7/812:25 pmPER - PDX
2 stops25h 08mQantas Airways
Deal found 4/22$1,718
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Mon 6/301:37 pmPDX - PER
2 stops34h 03mUnited Airlines
Mon 7/711:45 pmPER - PDX
2 stops27h 47mUnited Airlines
Deal found 4/22$1,744
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 6/299:50 amSEA - PER
2 stops37h 50mUnited Airlines
Sat 7/56:10 pmPER - SEA
3 stops41h 46mUnited Airlines
Deal found 4/22$1,749
This eDestinos deal was found by Cheapflights users on 4/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/66:52 pmSEA - PER
2 stops27h 43mQantas Airways
Fri 6/1310:30 amPER - SEA
2 stops26h 15mQantas Airways
Deal found 4/22$1,912
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Thu 6/53:29 pmGEG - PER
2 stops32h 11mUnited Airlines
Thu 6/1211:45 pmPER - GEG
2 stops30h 02mUnited Airlines
Deal found 4/20$1,984

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 April 22, 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

Fri 6/6

7:15 pm-5:10 pm

2 stops30h 55m

Perth

Fri 6/13

9:55 pm-12:58 pm

2 stops30h 03m

$1,227

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 5/6

4:30 pm-6:40 pm

1 stop35h 10m

Perth

Sat 5/24

10:45 pm-12:45 pm

1 stop29h 00m

$1,269

PortlandPerth

PDX - PER

PDXPER

Portland

Sat 6/28

1:20 pm-11:55 am

2 stops31h 35m

Perth

Fri 7/4

3:20 pm-6:20 am

2 stops54h 00m

$1,555

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 7/1

1:37 pm-4:00 pm

2 stops35h 23m

Perth

Tue 7/8

7:50 pm-6:28 pm

2 stops37h 38m

$1,574

PortlandPerth

PDX - PER

PDXPER

Portland

Tue 7/1

5:55 pm-10:50 pm

2 stops37h 55m

Perth

Mon 7/7

11:55 pm-1:25 pm

2 stops28h 30m

$1,676

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 6/30

3:00 pm-7:25 pm

2 stops37h 25m

Perth

Tue 7/8

12:25 pm-10:33 pm

2 stops25h 08m

$1,718

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 6/30

1:37 pm-2:40 pm

2 stops34h 03m

Perth

Mon 7/7

11:45 pm-12:32 pm

2 stops27h 47m

$1,744

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 6/29

9:50 am-2:40 pm

2 stops37h 50m

Perth

Sat 7/5

6:10 pm-8:56 pm

3 stops41h 46m

$1,749

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 5/6

10:15 am-5:10 am

1 stop27h 55m

Perth

Fri 5/23

1:10 am-8:45 am

1 stop22h 35m

$1,781

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 7/2

7:00 am-12:30 pm

3 stops38h 30m

Perth

Mon 7/7

1:10 am-1:50 pm

2 stops27h 40m

$1,905

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 17 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 $1,447). 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 April 22, 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 April 22, 2025.
See what other customers who have flown with Singapore Airlines, Air New Zealand and Qantas Airways from Washington to Perth have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

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
1,290 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

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.
Air New Zealand
8.0
Very good
469 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

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
826 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

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
850 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

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
3,561 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

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 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 $1,447). 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,165Average$1,388FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,199Average$1,540FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,315Average$1,690FlexibilityNo cancel feeOn-time68%

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