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Cheap flights from Washington to Perth from $806

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PER
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

$1,869

One-way from

$806

Popular in

July

Cheapest in

February

Average price

$2,073
Air Canada
  • Air Canada
  • 26/5-30/6
  • 4 total stops
  • 59h 01m total
  • Washington to Perth
15/4
  • 15/4
  • 1 total stop
  • 43h 25m total
  • Washington to Perth
Highest demand for flights based on searches. 11% potential increase in price ($540 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($90 potential savings vs. average return price).
Average for round-trip flights in February 2025

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 21 February 2025.

Sat 27/910:15SEA - PER
1 stop35h 15mSingapore Airlines
Mon 13/1001:10PER - SEA
1 stop22h 35mSingapore Airlines
Deal found 20/2$1,801
Mon 26/514:55SEA - PER
2 stops34h 15mAir Canada
Mon 30/623:35PER - SEA
2 stops24h 46mAir Canada
Deal found 20/2$1,869
Sun 6/410:15SEA - PER
1 stop39h 55mMultiple Airlines
Sun 13/423:35PER - SEA
2 stops31h 35mMultiple Airlines
Deal found 20/2$1,982
Wed 5/310:32PDX - PER
2 stops40h 13mQatar Airways
Wed 12/322:45PER - PDX
2 stops39h 11mQatar Airways
Deal found 20/2$2,038
Mon 17/317:05SEA - PER
1 stop34h 40mQatar Airways
Mon 7/422:45PER - SEA
2 stops35h 16mQatar Airways
Deal found 20/2$2,040
Tue 5/807:00GEG - PER
2 stops49h 40mAir New Zealand
Fri 22/808:05PER - GEG
2 stops44h 04mAir New Zealand
Deal found 20/2$2,190
Wed 5/317:37PDX - PER
2 stops37h 08mCathay Pacific
Tue 11/300:15PER - PDX
2 stops33h 00mCathay Pacific
Deal found 20/2$2,198
Fri 11/417:05SEA - PER
2 stops30h 35mUnited Airlines
Sat 26/417:15PER - SEA
2 stops33h 34mUnited Airlines
Deal found 20/2$2,262
Mon 24/319:05PDX - PER
2 stops28h 20mMultiple Airlines
Wed 2/422:55PER - PDX
2 stops30h 50mMultiple Airlines
Deal found 20/2$2,361
Wed 10/1219:05PDX - PER
2 stops51h 25mAir Canada
Tue 30/1222:55PER - PDX
2 stops26h 39mAir Canada
Deal found 20/2$2,371
Mon 24/319:21PDX - PER
2 stops28h 24mUnited Airlines
Wed 2/423:35PER - PDX
2 stops35h 34mUnited Airlines
Deal found 21/2$2,382
Tue 5/812:44GEG - PER
3 stops36h 16mMultiple Airlines
Fri 22/808:05PER - GEG
2 stops29h 28mMultiple Airlines
Deal found 20/2$2,400

Find flights from Washington to Perth within your budget

Customise 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 647,157 searches. Data last updated 21 February 2025.

Fly from

Washington

Fly to

Perth

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 26/5

14:55-16:10

2 stops34h 15m

Perth

Mon 30/6

23:35-09:21

2 stops24h 46m

$1,869

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 6/4

10:15-17:10

1 stop39h 55m

Perth

Sun 13/4

23:35-16:10

2 stops31h 35m

$1,982

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 5/3

10:32-18:45

2 stops40h 13m

Perth

Wed 12/3

22:45-22:56

2 stops39h 11m

$2,038

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 17/3

17:05-18:45

1 stop34h 40m

Perth

Mon 7/4

22:45-19:01

2 stops35h 16m

$2,040

SpokanePerth

GEG - PER

GEGPER

Spokane

Tue 5/8

07:00-23:40

2 stops49h 40m

Perth

Fri 22/8

08:05-13:09

2 stops44h 04m

$2,190

PortlandPerth

PDX - PER

PDXPER

Portland

Wed 5/3

17:37-22:45

2 stops37h 08m

Perth

Tue 11/3

00:15-18:15

2 stops33h 00m

$2,198

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 11/4

17:05-14:40

2 stops30h 35m

Perth

Sat 26/4

17:15-11:49

2 stops33h 34m

$2,262

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 24/3

19:05-14:25

2 stops28h 20m

Perth

Wed 2/4

22:55-14:45

2 stops30h 50m

$2,361

PortlandPerth

PDX - PER

PDXPER

Portland

Mon 24/3

19:21-14:45

2 stops28h 24m

Perth

Wed 2/4

23:35-20:09

2 stops35h 34m

$2,382

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 20/3

09:40-23:55

1 stop23h 15m

Perth

Thu 27/3

13:50-09:55

2 stops35h 05m

$2,383

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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 return 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.

Travel insights for flights from Washington to Perth

Get recent, data-driven insights about flights from Washington to Perth including ideal travel times, pricing trends, and more.

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

Currently, July is the cheapest month in which you can book a flight from State of Washington to Perth (average of $302). Flying from State of Washington to Perth in December is currently the most expensive (average of $409). 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.

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 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.

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 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C).

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 21 February 2025.
Read reviews from past customers who have flown Singapore Airlines, Alaska Airlines and Air New Zealand from Washington to Perth. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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.

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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.

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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.

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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.

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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.

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Crew

8.6

Food

7.7

Overall

8.1

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?

    Most people fly into Perth (PER) if they book a flight to Perth from Washington. Perth is conveniently located just 10.2 km from Perth’s city centre.

  • What are the cheapest airlines to fly from State of Washington to Perth one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $1,234. Singapore Airlines flights start at $1,322 while deals on Alaska Airlines start at $2,703 one-way.

  • What are the most popular routes 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 holiday 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, July is the cheapest month in which you can book a flight from State of Washington to Perth (average of $302). Flying from State of Washington to Perth in December is currently the most expensive (average of $409). 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

Travelling to a place near Washington?

Book flights to Washington if you plan to visit one of these locations
Mandurah
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Fremantle
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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Perth from Washington today and book when prices fit your budget.

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