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Cheap flights from Seattle (SEA) to Perth (PER) from $658

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — PER
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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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 May 28, 2024.

Popular in

June

Cheapest in

April

Round-trip from

$1,584

One-way from

$816
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 21% potential price drop
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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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What is the cheapest day to fly round-trip from Seattle to Perth?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 22% on your flight compared to booking on days when demand is much higher.

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

Travelers have found it’s best to book a flight 58 days in advance to save up to 58% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 58 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Perth 1-2 weeks in advance for as low as $1,672, or $2,413 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Perth?

April is one of the best times of the year to fly to Perth from Seattle. Prices for April average $1,756 per person but you can even find prices for as low as $1,225. The most expensive prices can be found in the month of June. Opting for a April flight can save you 29% on your journey compared to booking in June

When is the cheapest time to fly from Seattle to Perth (SEA - PER)?

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 morning, which can drop the price by up to 18% versus a flight at noon.

Cheap United Airlines flights from Seattle to Perth

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Perth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Seattle to Perth. Make sure to double check the flight details before booking.
Sun 9/157:45 pmSEA - PER
2 stops27h 55mUnited Airlines
Mon 10/711:45 pmPER - SEA
2 stops30h 39mUnited Airlines
Deal found 5/28$1,440
Wed 8/144:30 pmSEA - PER
2 stops29h 00mUnited Airlines
Sun 8/1811:45 pmPER - SEA
2 stops37h 14mUnited Airlines
Deal found 5/27$1,446
Wed 8/144:30 pmSEA - PER
2 stops29h 00mUnited Airlines
Sun 8/1811:55 pmPER - SEA
3 stops37h 04mUnited Airlines
Deal found 5/27$1,452
Thu 10/314:30 pmSEA - PER
2 stops31h 00mUnited Airlines
Mon 11/1110:55 pmPER - SEA
3 stops32h 32mUnited Airlines
Deal found 5/26$1,502
Sun 9/157:45 pmSEA - PER
2 stops27h 55mUnited Airlines
Mon 10/710:55 pmPER - SEA
3 stops38h 05mUnited Airlines
Deal found 5/28$1,734
Thu 8/2912:55 pmSEA - PER
2 stops32h 35mUnited Airlines
Sun 9/2211:55 pmPER - SEA
3 stops37h 04mUnited Airlines
Deal found 5/27$1,790
Thu 11/211:58 pmSEA - PER
2 stops32h 47mUnited Airlines
Thu 11/2811:45 pmPER - SEA
3 stops31h 42mUnited Airlines
Deal found 5/27$8,845

Cheap Singapore Airlines flights from Seattle to Perth

Explore cheap flight options specifically provided by Singapore Airlines for the route between Seattle and Perth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Some of the lowest-priced Singapore Airlines flights we've found at this time heading from Seattle to Perth. Deals frequently update to provide users with more options.
Thu 10/319:45 amSEA - PER
1 stop23h 10mSingapore Airlines
Mon 11/115:30 pmPER - SEA
1 stop29h 45mSingapore Airlines
Deal found 5/26$990
Thu 10/319:45 amSEA - PER
1 stop23h 10mSingapore Airlines
Sun 11/101:10 amPER - SEA
2 stops27h 22mSingapore Airlines
Deal found 5/26$1,159
Sun 9/1510:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Mon 10/75:10 pmPER - SEA
1 stop30h 35mSingapore Airlines
Deal found 5/28$1,260
Sun 9/157:12 pmSEA - PER
2 stops28h 28mSingapore Airlines
Mon 10/75:10 pmPER - SEA
1 stop30h 35mSingapore Airlines
Deal found 5/28$1,328
Thu 10/316:00 amSEA - PER
2 stops32h 25mSingapore Airlines
Sun 11/101:10 amPER - SEA
2 stops27h 22mSingapore Airlines
Deal found 5/26$1,492
Sun 9/1510:15 amSEA - PER
1 stop27h 55mSingapore Airlines
Sun 10/61:10 amPER - SEA
2 stops37h 34mSingapore Airlines
Deal found 5/28$1,508
Sun 9/157:00 amSEA - PER
2 stops38h 30mSingapore Airlines
Sun 10/61:10 amPER - SEA
2 stops37h 34mSingapore Airlines
Deal found 5/28$1,541
Thu 8/2910:15 amSEA - PER
1 stop27h 55mSingapore Airlines
Sat 9/211:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 5/27$1,597
Thu 8/295:55 pmSEA - PER
2 stops27h 35mSingapore Airlines
Sat 9/211:10 amPER - SEA
1 stop22h 35mSingapore Airlines
Deal found 5/27$1,633

Cheap Seattle to Perth flights in May & June 2024

Find cheap flight options from Seattle to Perth specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on May 28, 2024.
The lowest fares we've come across on flights traveling from Seattle to Perth in May and June 2024. Check back soon for alternative fares.
Wed 5/294:25 pmSEA - PER
2 stops31h 15mUnited Airlines
Wed 6/511:45 pmPER - SEA
2 stops29h 41mUnited Airlines
Deal found 5/28$1,490
Wed 6/267:12 pmSEA - PER
2 stops27h 28mMultiple Airlines
Wed 7/31:15 pmPER - SEA
2 stops35h 36mMultiple Airlines
Deal found 5/27$1,730
Wed 6/264:30 pmSEA - PER
2 stops31h 20mMultiple Airlines
Wed 7/310:45 pmPER - SEA
1 stop28h 45mMultiple Airlines
Deal found 5/28$2,066
Wed 6/261:00 pmSEA - PER
3 stops34h 50mMultiple Airlines
Wed 7/310:45 pmPER - SEA
2 stops34h 41mMultiple Airlines
Deal found 5/28$2,194
Wed 6/264:30 pmSEA - PER
2 stops31h 20mMultiple Airlines
Wed 7/310:45 pmPER - SEA
1 stop28h 45mMultiple Airlines
Deal found 5/27$2,221
Wed 6/265:45 pmSEA - PER
2 stops44h 25mMultiple Airlines
Tue 7/21:10 amPER - SEA
2 stops34h 50mMultiple Airlines
Deal found 5/27$2,421
Wed 6/265:45 pmSEA - PER
2 stops44h 25mSingapore Airlines
Tue 7/21:10 amPER - SEA
3 stops37h 49mSingapore Airlines
Deal found 5/27$2,441
Wed 6/264:30 pmSEA - PER
1 stop35h 05mQatar Airways
Wed 7/310:45 pmPER - SEA
1 stop28h 45mQatar Airways
Deal found 5/27$2,456
Wed 6/261:00 pmSEA - PER
3 stops34h 50mMultiple Airlines
Wed 7/311:55 pmPER - SEA
3 stops33h 40mMultiple Airlines
Deal found 5/28$2,465

Seattle to Perth 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Perth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
The lowest fares we've come across on flights traveling from Seattle to Perth in May and June 2024. Check back soon for alternative fares.
Thu 10/319:45 amSEA - PER
1 stop23h 10mSingapore Airlines
Mon 11/115:30 pmPER - SEA
1 stop29h 45mSingapore Airlines
Deal found 5/26$990
Thu 10/319:45 amSEA - PER
1 stop23h 10mSingapore Airlines
Sun 11/101:10 amPER - SEA
2 stops27h 22mSingapore Airlines
Deal found 5/26$1,159
Sun 9/1510:15 amSEA - PER
1 stop22h 40mSingapore Airlines
Mon 10/75:10 pmPER - SEA
1 stop30h 35mSingapore Airlines
Deal found 5/28$1,260
Thu 8/298:00 amSEA - PER
2 stops43h 35mQatar Airways
Sun 9/2210:45 pmPER - SEA
2 stops35h 11mQatar Airways
Deal found 5/27$1,318
Sun 9/157:12 pmSEA - PER
2 stops28h 28mSingapore Airlines
Mon 10/75:10 pmPER - SEA
1 stop30h 35mSingapore Airlines
Deal found 5/28$1,328
Fri 10/189:35 amSEA - PER
2 stops42h 00mQatar Airways
Mon 10/2810:45 pmPER - SEA
1 stop29h 05mQatar Airways
Deal found 5/27$1,363
Fri 10/186:00 amSEA - PER
2 stops45h 35mQatar Airways
Mon 10/2810:45 pmPER - SEA
2 stops35h 01mQatar Airways
Deal found 5/28$1,389
Sun 9/157:45 pmSEA - PER
2 stops27h 55mUnited Airlines
Mon 10/711:45 pmPER - SEA
2 stops30h 39mUnited Airlines
Deal found 5/28$1,440
Wed 8/144:30 pmSEA - PER
2 stops29h 00mUnited Airlines
Sun 8/1811:45 pmPER - SEA
2 stops37h 14mUnited Airlines
Deal found 5/27$1,446

One-way flights to Perth from Seattle

Search for one-way flight options from Seattle to Perth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
If you're seeking multiple options on one-way flights from Seattle to Perth, be sure to check out these deals, which are updated often. Those needing a return flight from Seattle to Perth can use the search form above.
Sun 8/251:40 amSEA - PER
2 stops34h 10mMultiple Airlines
Deal found 5/26$658
Sun 8/252:10 amSEA - PER
3 stops35h 50mMultiple Airlines
Deal found 5/26$711
Fri 6/710:49 pmSEA - PER
3 stops57h 21mMultiple Airlines
Deal found 5/27$782
Mon 8/267:12 pmSEA - PER
2 stops36h 23mCathay Pacific
Deal found 5/26$816
Mon 8/264:30 pmSEA - PER
1 stop35h 05mQatar Airways
Deal found 5/26$933
Fri 6/78:56 pmSEA - PER
2 stops35h 04mMultiple Airlines
Deal found 5/27$960
Mon 8/261:35 pmSEA - PER
3 stops34h 05mMultiple Airlines
Deal found 5/26$1,065
Thu 6/61:14 amSEA - PER
2 stops43h 01mQantas Airways
Deal found 5/27$2,679
Sun 9/159:15 pmSEA - PER
2 stops67h 00mMultiple Airlines
Deal found 5/27$3,800

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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$990 - $2,771

Route

Depart

Return

Price

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 10/31

1 stop23h 10m

Perth

Mon 11/11

1 stop29h 45m

$990

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 10/31

1 stop23h 10m

Perth

Sun 11/10

2 stops27h 22m

$1,159

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 9/15

1 stop22h 40m

Perth

Mon 10/7

1 stop30h 35m

$1,260

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 8/29

2 stops43h 35m

Perth

Sun 9/22

2 stops35h 11m

$1,318

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Thu 8/29

2 stops43h 35m

Perth

Sun 9/22

1 stop28h 45m

$1,363

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Sun 9/15

2 stops27h 55m

Perth

Mon 10/7

2 stops30h 39m

$1,440

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 6/26

2 stops27h 28m

Perth

Wed 7/3

2 stops35h 36m

$1,730

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 8/14

1 stop33h 20m

Perth

Sun 8/18

1 stop30h 05m

$2,577

Seattle/Tacoma IntlPerth

SEA - PER

SEAPER

Seattle/Tacoma Intl

Wed 8/28

2 stops45h 26m

Perth

Sun 9/22

2 stops32h 31m

$2,771

Flights are sorted by cheapest first

Deals found on 5/26

When is the best time to 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 May 24, 2024.
To ensure you get the cheapest price possible for a flight from Seattle to Perth, you should look to book at least 57 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.
Search Deals

When is the cheapest time to fly from Seattle to Perth?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Perth. Price data was last updated on May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Perth flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Perth by month

Plan your trip to Perth by taking into account the average temperature and rainfall totals by month.

PER

Temperature

53.6 - 75.2 °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 May 28, 2024.
See what other customers who have flown with United Airlines, Singapore Airlines and Qatar Airways from Seattle to Perth have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.5
Very good
917 reviews
Check prices

Boarding

8.6

Comfort

8.3

Entertainment

8.0

Food

7.8

Crew

8.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

ANA
8.5
Very good
917 reviews
ANA
8.5
Very good
917 reviews
Check prices

Boarding

8.6

Comfort

8.3

Entertainment

8.0

Food

7.8

Crew

8.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Air New Zealand
8.3
Very good
608 reviews
ANA
8.5
Very good
917 reviews
Check prices

Boarding

8.6

Comfort

8.3

Entertainment

8.0

Food

7.8

Crew

8.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Singapore Airlines
8.2
Very good
1,424 reviews
ANA
8.5
Very good
917 reviews
Check prices

Boarding

8.6

Comfort

8.3

Entertainment

8.0

Food

7.8

Crew

8.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Emirates
8.1
Very good
3,919 reviews
ANA
8.5
Very good
917 reviews
Check prices

Boarding

8.6

Comfort

8.3

Entertainment

8.0

Food

7.8

Crew

8.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

Cathay Pacific
7.8
Good
1,056 reviews
ANA
8.5
Very good
917 reviews
Check prices

Boarding

8.6

Comfort

8.3

Entertainment

8.0

Food

7.8

Crew

8.8

Overall

8.5

Reviews

1 / 10

Got me there and back on time. Except for a 30 min maintenance delay, but that meant more time for nap. Crew was super nice.

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.

  • Can I find flights from Seattle to Perth for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Seattle to Perth for under $1,000. The cheapest flight booked recently is on Singapore Airlines for just $990, but on average you can expect to pay $1,442.

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

    Currently priced at $990, Singapore Airlines will fly you from Seattle to Perth and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Qatar Airways and United Airlines - these airlines can fly you to your destination from $1,318 and $1,440, respectively. Users have found that Singapore Airlines is 43% 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 Cathay Pacific, which is currently one of the cheapest options available, starting at $816. Qatar Airways flights start at $933 while deals on Qantas Airways start at $2,679 one-way.

  • What does SEA to PER mean?

    SEA and PER are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to PER refers to a flight route from Seattle/Tacoma Intl Airport to Perth Airport.

  • Can I find deals for flights from Seattle to Perth that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Perth flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Perth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Perth flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Seattle to Perth that allow pets onboard?

    Many airlines flying from Seattle to Perth offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Perth?

    Yes, you can often find last-minute deals on Seattle to Perth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Perth flight deals updated?

    The Seattle to Perth flight deals you see on this page were last updated on 5/28.

  • What are the most popular airlines that fly from Seattle to Perth?

    Air Canada, Qantas Airways and Qatar Airways are the most popular airlines when flying from Seattle to Perth.

  • When is the best time to book a flight from Seattle to Perth?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Perth (average of $1,584). Flying from Seattle to Perth in July is currently the most expensive (average of $2,169). 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

Browse thousands of different options on Cheapflights for your next trip

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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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,203Average$1,612FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qatar AirwaysCheapest$1,309Average$1,565FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air CanadaCheapest$1,536Average$2,019FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,634Average$2,120FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
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Search flights from Seattle to Perth by cabin class

Find flights from Seattle to Perth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Seattle to Perth 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 Seattle to Perth?

Cheapflights helps you find that perfect flight to Perth from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Perth from Seattle? 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 Seattle to Perth become cheaper?

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

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