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Cheap flights from Perth to Seattle from $1,044

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Perth to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 June 2025.

Round-trip from

$1,463

One-way from

$1,044

Popular in

December

Cheapest in

February

Average price

$2,017
Japan Airlines
  • Japan Airlines
  • 22/7-30/7
  • 4 total stops
  • 81h 20m total
  • Perth to Seattle
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Japan Airlines
  • Japan Airlines
  • 3/8
  • 2 total stops
  • 37h 10m total
  • Perth to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($379 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Perth to Seattle

Cheapest flights from Perth to Seattle
Explore the most affordable flight options available from Perth to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Tue 22/712:25PER - SEA
2 stops37h 10mJapan Airlines
Wed 30/713:30SEA - PER
2 stops44h 10mJapan Airlines
Deal found 12/6$1,463
Tue 22/721:55PER - SEA
2 stops33h 40mMultiple Airlines
Tue 29/701:15SEA - PER
2 stops28h 25mMultiple Airlines
Deal found 10/6$1,704
Sat 26/721:35PER - SEA
2 stops33h 11mANA
Sat 2/807:00SEA - PER
2 stops46h 00mANA
Deal found 11/6$1,738
Sat 2/810:30PER - SEA
2 stops26h 14mAmerican Airlines
Sat 13/915:23SEA - PER
2 stops28h 52mAmerican Airlines
Deal found 13/6$1,897
Sun 27/723:55PER - SEA
3 stops36h 01mUnited Airlines
Sun 3/807:00SEA - PER
2 stops31h 10mUnited Airlines
Deal found 12/6$2,267
Sat 2/806:25PER - SEA
1 stop41h 20mSingapore Airlines
Sat 13/910:15SEA - PER
1 stop22h 40mSingapore Airlines
Deal found 13/6$2,640
Tue 22/715:40PER - SEA
1 stop36h 05mQatar Airways
Wed 30/716:30SEA - PER
1 stop28h 25mQatar Airways
Deal found 12/6$2,726
Mon 23/606:00PER - SEA
1 stop46h 25mEmirates
Thu 17/717:15SEA - PER
1 stop33h 20mEmirates
Deal found 11/6$4,142

Cheapflights Fare Finder

Customise your flight search to find flights from Perth to Seattle 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 13 June 2025.
Use the filters below to find and compare flights from Perth to Seattle that are best for you.

Fly from

Perth

Fly to

Seattle

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 22/7

12:25-10:35

2 stops37h 10m

Seattle/Tacoma Intl

Wed 30/7

13:30-00:40

2 stops44h 10m

$1,463

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 22/7

21:55-16:35

2 stops33h 40m

Seattle/Tacoma Intl

Tue 29/7

01:15-20:40

2 stops28h 25m

$1,704

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 26/7

21:35-15:46

2 stops33h 11m

Seattle/Tacoma Intl

Sat 2/8

07:00-20:00

2 stops46h 00m

$1,738

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 2/8

10:30-21:44

2 stops26h 14m

Seattle/Tacoma Intl

Sat 13/9

15:23-11:15

2 stops28h 52m

$1,897

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 27/7

23:55-20:56

3 stops36h 01m

Seattle/Tacoma Intl

Sun 3/8

07:00-05:10

2 stops31h 10m

$2,267

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 2/8

06:25-08:45

1 stop41h 20m

Seattle/Tacoma Intl

Sat 13/9

10:15-23:55

1 stop22h 40m

$2,640

PerthSeattle

PER - SEA

PERSEA

Perth

Tue 22/7

15:40-12:45

1 stop36h 05m

Seattle/Tacoma Intl

Wed 30/7

16:30-11:55

1 stop28h 25m

$2,726

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 23/6

06:00-13:25

1 stop46h 25m

Seattle/Tacoma Intl

Thu 17/7

17:15-17:35

1 stop33h 20m

$4,142

PerthSeattle

PER - SEA

PERSEA

Perth

Sun 3/8

12:25-10:35

2 stops37h 10m

$1,044

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 26/7

10:30-21:44

2 stops26h 14m

$1,154

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 14 results
1
2

Best time to book a flight from Perth to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Perth 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.

Cheapflights Insights

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

How far ahead should I book a flight from Perth to Seattle?

Use this chart to determine the optimal time to book a return flight from Perth to Seattle. Price data was last updated on 9 June 2025.

To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Perth to Seattle?

Currently, March is the cheapest month in which you can book a flight from Perth to Seattle (average of $875). Flying from Perth to Seattle in December is currently the most expensive (average of $1,433). 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 PER to SEA?

Find hourly flight availability from Perth to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

It’s optimal to fly from Perth to Seattle in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at midday.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 13 June 2025.
To help decide which airline to fly from Perth to Seattle, see what other customers have to say about Japan Airlines, ANA and Emirates. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very Good
1,490 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
ANA
8.3
Very Good
882 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.1
Very Good
3,265 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Singapore Airlines
8.1
Very Good
1,304 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Qantas Airways
7.5
Good
854 reviews
Japan Airlines
8.3
Very Good
1,490 reviews
Check prices

Crew

8.7

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

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

  • What are the cheapest airlines flying from Perth to Seattle round-trip?

    According to our current data, Japan Airlines ($1,463), ANA ($1,738), and American Airlines ($1,897) offers the cheapest pricing from Perth to Seattle. These flights start at 28% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Perth to Seattle one-way?

    $1,044 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on Qantas Airways and United Airlines, with prices starting from $1,154 and $1,200, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Perth to Seattle 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 Perth to Seattle?

    Currently, March is the cheapest month in which you can book a flight from Perth to Seattle (average of $875). Flying from Perth to Seattle in December is currently the most expensive (average of $1,433). 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 Perth?

Book flights to Perth if you plan to visit one of these locations
Leavenworth

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Alternative routes for Perth to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Perth to Portland flights

Top 5 airlines flying from Perth to Seattle

Discover the top 5 airlines that operate flights from Perth to Seattle. 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 647,157 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,417Average$2,103FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Japan AirlinesCheapest$1,555Average$1,765FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
ANACheapest$1,617Average$1,948FlexibilityNo cancel feeOn-time80%
Search ANA flights
Singapore AirlinesCheapest$1,698Average$2,044FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapest$1,808Average$2,797FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Perth to Seattle?

Deals for Perth to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Perth to Seattle?

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Can Cheapflights find flights from Perth to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from Perth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Perth to Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Perth to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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