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Perth

$566+ Cheap flights from Seattle (SEA) 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PER
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Perth are usually found in February or October, booked 45 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap flight deals from Seattle to Perth

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Perth (PER). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,257
(Trip.com)

One-way from

$566
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$1,988
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 Seattle/Tacoma Intl to Perth
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One-way flight from Seattle/Tacoma Intl to Perth
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High demand for flights, 13% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Seattle to Perth

Cheapest flights from Seattle to Perth
Explore the most affordable flight options available from Seattle to Perth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3112:10 amSEA - PER
2 stops57h 15mMultiple Airlines
Fri 3/2810:45 pmPER - SEA
1 stop28h 55mMultiple Airlines
Deal found 12/17$2,264
This oojo deal was found by Cheapflights users on 12/17. 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 12/181:56 pmSEA - PER
2 stops36h 49mQatar Airways
Wed 12/2510:45 pmPER - SEA
1 stop28h 55mQatar Airways
Deal found 12/17$2,713
This oojo deal was found by Cheapflights users on 12/17. 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 12/1810:54 pmSEA - PER
2 stops55h 51mCathay Pacific
Tue 12/2412:15 amPER - SEA
2 stops49h 49mCathay Pacific
Deal found 12/17$3,120
This KAYAK deal was found by Cheapflights users on 12/17. 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.
Sat 12/218:40 amSEA - PER
1 stop28h 45mSingapore Airlines
Fri 1/35:30 pmPER - SEA
1 stop29h 40mSingapore Airlines
Deal found 12/17$4,201
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/211:23 pmSEA - PER
3 stops34h 52mAlaska Airlines
Fri 1/35:25 amPER - SEA
2 stops34h 34mAlaska Airlines
Deal found 12/17$6,695
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/196:13 pmSEA - PER
2 stops30h 42mUnited Airlines
Sat 1/43:20 pmPER - SEA
2 stops38h 55mUnited Airlines
Deal found 12/17$10,252

Find flights from Seattle to Perth within your budget

Customize your flight search to find flights from Seattle 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 1/21

7:00 pm-1:35 am

2 stops38h 35m

Perth

Mon 1/27

3:35 am-5:05 pm

2 stops53h 30m

$1,254

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 3/3

4:05 pm-6:45 pm

1 stop34h 40m

Perth

Mon 3/10

10:45 pm-12:40 pm

1 stop28h 55m

$1,268

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 3/3

5:59 pm-10:45 pm

2 stops36h 46m

Perth

Mon 3/10

11:05 am-11:54 am

2 stops39h 49m

$1,319

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 4/14

9:35 pm-11:55 pm

2 stops59h 20m

Perth

Sun 4/27

1:10 am-4:55 pm

2 stops30h 45m

$1,466

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 1/27

9:20 am-2:45 pm

3 stops37h 25m

Perth

Sun 2/9

11:45 pm-9:20 pm

3 stops37h 35m

$1,740

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Mon 1/13

7:05 pm-11:20 am

2 stops48h 15m

Perth

Tue 2/4

10:55 pm-2:30 pm

2 stops31h 35m

$1,784

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 2/25

12:45 pm-4:35 pm

2 stops35h 50m

$566

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Tue 2/25

8:40 am-12:35 pm

1 stop35h 55m

$770

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 5/23

2:55 pm-12:55 pm

2 stops31h 00m

$829

SeattlePerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Fri 5/23

11:30 pm-7:25 am

1 stop40h 55m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 13 results
1
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Compare providers for flights from Seattle to Perth

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 Seattle to Perth in December.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Seattle-Perth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Perth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Perth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Perth flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Perth 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 Seattle to Perth

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

Travel insights for flights from Seattle to Perth

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Perth. Price data was last updated on December 13, 2024.

To ensure you get the cheapest price possible for a flight from Seattle to Perth, you should look to book at least 45 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 Seattle to Perth?

Currently, October is the cheapest month in which you can book a flight from Seattle to Perth (average of $1,511). Flying from Seattle to Perth in December is currently the most expensive (average of $1,936). 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 SEA to PER?

Find hourly flight availability from Seattle 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 December 18, 2024.

When flying from Seattle to Perth, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 12% versus a flight in the morning.

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 December 18, 2024.
Emirates
8.1
Very good
3,412 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Overall

8.1

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Emirates
8.1
Very good
3,412 reviews
Emirates
8.1
Very good
3,412 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Overall

8.1

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Singapore Airlines
8.1
Very good
1,329 reviews
Emirates
8.1
Very good
3,412 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Overall

8.1

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Cathay Pacific
7.5
Good
841 reviews
Emirates
8.1
Very good
3,412 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Overall

8.1

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Qatar Airways
7.5
Good
3,798 reviews
Emirates
8.1
Very good
3,412 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Overall

8.1

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

United Airlines
7.4
Good
9,059 reviews
Emirates
8.1
Very good
3,412 reviews

Crew

8.3

Food

7.9

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Overall

8.1

Reviews

1 / 10

My earphone set did not work throughout the flight. I tried with two different sets. I believe there was a problem with the system where I was seated.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Perth. 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 Seattle to Perth round-trip?

    Currently priced at $1,268, Qatar Airways will fly you from Seattle to Perth and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Cathay Pacific and Singapore Airlines - these airlines can fly you to your destination from $1,319 and $1,466, respectively. Users have found that Qatar Airways is 22% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Singapore Airlines, which is currently one of the cheapest options available, starting at $770. Air Canada flights start at $829 while deals on Philippine Airlines start at $869 one-way.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Seattle to Perth (average of $1,511). Flying from Seattle to Perth in December is currently the most expensive (average of $1,936). 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

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Alternative routes for Seattle to Perth

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

Top 4 airlines flying from Seattle to Perth

Discover the top 4 airlines that operate flights from Seattle 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,165Average$1,424FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,199Average$1,586FlexibilityNo cancel feeOn-time81%
Qantas AirwaysCheapest$1,273Average$1,654FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,325Average$1,662FlexibilityNo cancel feeOn-time68%
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