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Cheap flights Perth — Seattle

from $715 14 880 km ~18h 2 flights found 1 airlines cheapest on Thursday
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $715 on 26.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 2 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
26 Nov 2026, Thu
Philippine Airlines PR 224
03:40
PER Perth Airport
22:40
SEA Seattle-Tacoma International Airport
19h 1 stop
View this ticket
18 Dec 2026, Fri
Philippine Airlines PR 224
03:40
PER Perth Airport
22:40
SEA Seattle-Tacoma International Airport
19h 1 stop
View this ticket
Route characteristics
Distance
14 880 km
Flight time
18h
Time difference
-16h
Minimum price
from $715 (26.11.2026)
Average price
$929
Maximum price
$1 143
Cheapest day
Thursday
Departure airports (1)
PER Perth Airport
Arrival airports (1)
SEA Seattle-Tacoma International Airport
Airlines (1)
PR Philippine Airlines
Agencies (2)
Vayama Trip.com
Prices by day of week
Price trend by month
Airlines — cheapest prices 1
Philippine Airlines
Philippine Airlines
2 flights · 2 days
$715
Where to buy tickets 2
Vayama
1 tickets · 1 days
from $715
Trip.com
1 tickets · 1 days
from $1 143
Airports

From — Perth (1)

  • PER Perth Airport

To — Seattle (1)

  • SEA Seattle-Tacoma International Airport
Other destinations from Perth
Frequently asked questions about the route Perth — Seattle
How long is the flight from Perth to Seattle?
Approximate flight time — 18h. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Perth to Seattle?
The straight-line distance — 14 880 km.
How much do flights from Perth to Seattle cost?
The minimum price over 3 months — from $715 on 26.11.2026.
What is the average ticket price?
The average price — $929. Range: $715 — $1 143.
What is the time difference between Perth and Seattle?
The difference — -16h.
From which airports does Perth operate flights?
From Perth: PER (Perth Airport).
To which airports in Seattle do flights arrive?
To Seattle: SEA (Seattle-Tacoma International Airport).
Which airlines fly this route?
This route is served by 1 airline: Philippine Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Thursday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Perth — Seattle

Flights Perth — Seattle is a popular route. The straight-line distance is 14 880 km. Flight time 18h. Time difference -16h.

From Perth (PER) flights depart from 1 airport: PER. To Seattle (SEA) — 1 arrival airport: SEA.

1 airline operate on this route: Philippine Airlines.

The minimum price for the next 3 months — from $715 (26.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $929, ranging from $715 to $1 143. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Other destinations in United States from Perth