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Cheap flights from Perth to Seattle from $876

PER — SEA
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Perth to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Perth to Seattle

Mon 9/1120:40 -
2 stops50h 25m
Sat 28/1108:40 -
1 stop39h 55m
Deal found 18/9$1,580
Mon 26/1008:35 -
1 stop26h 10m
Wed 11/1121:30 -
1 stop41h 50m
Deal found 22/9$1,641
Thu 15/1008:35 -
1 stop26h 30m
Wed 28/1022:30 -
1 stop41h 50m
Deal found 20/9$1,680
Fri 6/1110:35 -
2 stops38h 57m
Fri 13/1119:05 -
2 stops29h 30m
Deal found 21/9$1,694
Tue 3/1121:10 -
1 stop25h 55m
Tue 10/1111:00 -
2 stops37h 25m
Deal found 19/9$1,697
Thu 15/1009:30 -
1 stop37h 55m
Wed 28/1012:00 -
2 stops40h 40m
Deal found 20/9$1,750
Thu 5/1101:20 -
1 stop45h 45m
Fri 13/1108:40 -
1 stop28h 45m
Deal found 21/9$1,771
Sat 7/1110:35 -
1 stop36h 30m
Sat 14/1115:40 -
2 stops46h 10m
Deal found 23/9$1,778
Tue 3/1117:05 -
1 stop30h 00m
Tue 10/1108:40 -
1 stop38h 05m
Deal found 21/9$1,827

Find flight deals from Perth to Seattle

Round-trip from

$1,580

One-way from

$876

Popular in

April

Cheapest in

February

Average price

$1,728
9/11-28/11
  • 9/11-28/11
  • 3 total stops
  • 90h 20m total
  • Perth to Seattle
Search Deals
15/11-31/12
  • 15/11-31/12
  • 3 total stops
  • 50h 40m total
  • Perth to Seattle
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($258 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Perth to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sun 15/11

20:25-07:05

3 stops50h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$876

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 30/10

20:40-14:20

3 stops56h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$960

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 18/2

08:35-18:45

1 stop26h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$991

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 1/10

08:35-20:05

1 stop26h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,007

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Sat 14/11

23:10-18:54

3 stops59h 44m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,085

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 1/10

10:35-16:10

3 stops44h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,099

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Thu 18/2

21:10-15:05

2 stops33h 55m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,158
Fastest return journey

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Fri 23/10

05:35-16:10

2 stops25h 35m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

$1,181

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Tue 3/11

21:10-07:05

1 stop25h 55m

Seattle/Tacoma Intl

Tue 10/11

11:00-16:25

2 stops37h 25m

$1,697

PerthSeattle

PER Perth - SEA Seattle/Tacoma Intl

PERSEA

Perth

Mon 9/11

17:50-07:05

1 stop29h 15m

Seattle/Tacoma Intl

Sat 28/11

08:40-16:35

1 stop39h 55m

$1,766

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 16 resultsSorted by cheapest first
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

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Perth to Seattle (average of $1,520). Flying from Perth to Seattle in April is currently the most expensive (average of $2,332). 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.

How much does it cost for a return flight from Perth to Seattle?

Airfare is below average for this route at the moment.

Perth to Seattle flights typically cost between $1,801 and $2,119 in November.
The cheapest return price found within the last 5 days was $1,580 on Multiple Airlines (9 Nov–28 Nov).

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with Japan Airlines,Singapore Airlines, andQantas Airways from Perth to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,920 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Norihiko,Sept 2026

HND - JFK

That was one of my most excellent flight. Thank you for arranging the flight.
Japan Airlines
8.3
Very Good
1,920 reviews
Japan Airlines
8.3
Very Good
1,920 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Norihiko,Sept 2026

HND - JFK

That was one of my most excellent flight. Thank you for arranging the flight.
Singapore Airlines
8.2
Very Good
1,608 reviews
Japan Airlines
8.3
Very Good
1,920 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Norihiko,Sept 2026

HND - JFK

That was one of my most excellent flight. Thank you for arranging the flight.
Qantas Airways
7.5
Good
1,101 reviews
Japan Airlines
8.3
Very Good
1,920 reviews
Check prices

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Norihiko,Sept 2026

HND - JFK

That was one of my most excellent flight. Thank you for arranging the flight.

Related info for your journey

  • How long is the flight from Perth to Seattle?

    For as low as $1,827, Singapore Airlines can have you in Seattle from Perth in 30h. The distance between Perth and Seattle is about 14862 km.

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

    According to our current data, Japan Airlines ($1,271), Qantas Airways ($1,571), and Singapore Airlines ($1,680) offers the cheapest pricing from Perth to Seattle. These flights start at 36% lower than the current average price 3 months from now.

  • 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, February is the cheapest month in which you can book a flight from Perth to Seattle (average of $1,520). Flying from Perth to Seattle in April is currently the most expensive (average of $2,332). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Ocean Shores

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Perth to Seattle

Perth to Portland flights

Top 3 airlines flying from Perth to Seattle

AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,271Average$1,908FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qantas AirwaysCheapest$1,571Average$2,237FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,680Average$2,027FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Perth to Seattle for you. Better yet — we are completely free to use.

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.

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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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