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$659+ Cheap flights from Perth (PER) to Seattle (SEA)

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
PER — SEA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,029
(TravelUp)

One-way from

$659
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,368
Provider with most accurate pricing for Perth-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Perth-Seattle/Tacoma Intl flights.
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From Perth to Seattle/Tacoma Intl
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One-way flight from Perth to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 10% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 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 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 April 24, 2025.

This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/412:25 pmPER - SEA
2 stops37h 10mJapan Airlines
Wed 6/111:30 pmSEA - PER
2 stops27h 15mJapan Airlines
Deal found 4/22$1,029
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Wed 7/29:55 pmPER - SEA
2 stops33h 40mMultiple Airlines
Sun 8/31:15 amSEA - PER
2 stops48h 55mMultiple Airlines
Deal found 4/23$1,138
This KAYAK deal was found by Cheapflights users on 4/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/239:35 pmPER - SEA
2 stops34h 12mANA
Thu 7/177:00 amSEA - PER
2 stops46h 00mANA
Deal found 4/23$1,600
This Aunt Betty 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/410:45 pmPER - SEA
1 stop29h 00mQatar Airways
Wed 6/114:30 pmSEA - PER
1 stop35h 10mQatar Airways
Deal found 4/22$1,601
This oojo deal was found by Cheapflights users on 4/23. 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.
Wed 7/21:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Wed 10/14:00 pmSEA - PER
2 stops29h 30mSingapore Airlines
Deal found 4/23$1,685
This Emirates deal was found by Cheapflights users on 4/23. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amPER - SEA
1 stop46h 25mEmirates
Fri 6/205:15 pmSEA - PER
1 stop40h 25mEmirates
Deal found 4/23$1,706
This United Airlines deal was found by Cheapflights users on 4/23. 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 6/1211:45 pmPER - SEA
3 stops36h 23mUnited Airlines
Fri 6/202:50 pmSEA - PER
2 stops32h 50mUnited Airlines
Deal found 4/23$1,899
This Globehunters deal was found by Cheapflights users on 4/23. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3012:10 amPER - SEA
2 stops33h 53mCathay Pacific
Thu 5/156:59 pmSEA - PER
2 stops36h 41mCathay Pacific
Deal found 4/23$13,164

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated April 24, 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

Wed 6/4

12:25 pm-10:35 am

2 stops37h 10m

Seattle/Tacoma Intl

Wed 6/11

1:30 pm-7:45 am

2 stops27h 15m

$1,029

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 7/2

9:55 pm-4:35 pm

2 stops33h 40m

Seattle/Tacoma Intl

Sun 8/3

1:15 am-5:10 pm

2 stops48h 55m

$1,138

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 6/23

9:35 pm-4:47 pm

2 stops34h 12m

Seattle/Tacoma Intl

Thu 7/17

7:00 am-8:00 pm

2 stops46h 00m

$1,600

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 6/4

10:45 pm-12:45 pm

1 stop29h 00m

Seattle/Tacoma Intl

Wed 6/11

4:30 pm-6:40 pm

1 stop35h 10m

$1,601

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 7/2

1:10 am-8:45 am

1 stop22h 35m

Seattle/Tacoma Intl

Wed 10/1

4:00 pm-12:30 pm

2 stops29h 30m

$1,685

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 6/12

6:00 am-1:25 pm

1 stop46h 25m

Seattle/Tacoma Intl

Fri 6/20

5:15 pm-12:40 am

1 stop40h 25m

$1,706

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 6/12

11:45 pm-9:08 pm

3 stops36h 23m

Seattle/Tacoma Intl

Fri 6/20

2:50 pm-2:40 pm

2 stops32h 50m

$1,899

PerthSeattle

PER - SEA

PERSEA

Perth

Sat 5/3

11:40 pm-4:50 pm

3 stops56h 10m

$659

PerthSeattle

PER - SEA

PERSEA

Perth

Fri 5/2

12:10 am-2:46 pm

3 stops29h 36m

$756

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 6/19

9:35 pm-9:11 pm

2 stops38h 36m

$961

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 13 results
1
2

Compare providers for flights from Perth to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Perth to Seattle in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Perth-Seattle flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Perth-Seattle flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Perth-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Perth-Seattle flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Perth-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 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 round-trip flight from Perth to Seattle. Price data was last updated on April 18, 2025.

To ensure you get the cheapest price possible for a flight from Perth to Seattle, you should look to book at least 53 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, January is the cheapest month in which you can book a flight from Perth to Seattle (average of $238). Flying from Perth to Seattle in July is currently the most expensive (average of $411). 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 April 24, 2025.

When flying from Perth to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 April 24, 2025.
Get a feel of what it's like to fly with Japan Airlines, ANA and Singapore Airlines from Perth to Seattle by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,452 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

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
1,452 reviews
Japan Airlines
8.3
Very good
1,452 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

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
853 reviews
Japan Airlines
8.3
Very good
1,452 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

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
1,290 reviews
Japan Airlines
8.3
Very good
1,452 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

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
8.0
Very good
3,206 reviews
Japan Airlines
8.3
Very good
1,452 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

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.
Qatar Airways
7.4
Good
3,561 reviews
Japan Airlines
8.3
Very good
1,452 reviews

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

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?

    Currently priced at $1,029, Japan Airlines will fly you from Perth to Seattle and back. In addition to Japan Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from ANA and Qatar Airways - these airlines can fly you to your destination from $1,600 and $1,601, respectively. You may be able to fly from Perth to Seattle for 22% less than the average price by searching for these airlines.

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

    $756 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 ANA and Singapore Airlines, with prices starting from $961 and $1,029, 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 vacation 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, January is the cheapest month in which you can book a flight from Perth to Seattle (average of $238). Flying from Perth to Seattle in July is currently the most expensive (average of $411). 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
SeaTac
Tukwila
Tacoma
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Aberdeen
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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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 airline flying from Perth to Seattle

Discover the top airline 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 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,070Average$1,495FlexibilityNo cancel feeOn-time81%

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