CA $1,183 Cheap Flights from Perth (PER) to Seattle (SEA)

View CA $1,183 flight on Sun, May 17, 2026Opens in a new window

Popular airlines from Perth Airport (PER) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days and start at CA $1,183 for one-way flights and CA $1,882 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Thu, Aug 20 - Tue, Aug 25
PER
Perth
SEA
Seattle
CA $1,882 Roundtrip, found 2 days ago
CA $1,882
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Thu, Aug 20 from Perth to Seattle, returning Tue, Aug 25, priced at CA $1,882 found 2 days ago
Japan Airlines
Thu, Aug 20 - Tue, Aug 25
PER
Perth
SEA
Seattle
CA $1,960 Roundtrip, found 2 days ago
CA $1,960
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Thu, Aug 20 from Perth to Seattle, returning Tue, Aug 25, priced at CA $1,960 found 2 days ago
Japan Airlines
Tue, Jun 16 - Thu, Jul 2
PER
Perth
SEA
Seattle
CA $2,175 Roundtrip, found 6 days ago
CA $2,175
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Tue, Jun 16 from Perth to Seattle, returning Thu, Jul 2, priced at CA $2,175 found 6 days ago
Japan Airlines
Tue, Jun 16 - Fri, Jul 3
PER
Perth
SEA
Seattle
CA $2,212 Roundtrip, found 6 days ago
CA $2,212
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Tue, Jun 16 from Perth to Seattle, returning Fri, Jul 3, priced at CA $2,212 found 6 days ago
Japan Airlines
Thu, Jun 18 - Thu, Jul 2
PER
Perth
SEA
Seattle
CA $2,224 Roundtrip, found 6 days ago
CA $2,224
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jun 18 from Perth to Seattle, returning Thu, Jul 2, priced at CA $2,224 found 6 days ago
Japan Airlines
Thu, Jun 18 - Fri, Jul 3
PER
Perth
SEA
Seattle
CA $2,261 Roundtrip, found 6 days ago
CA $2,261
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jun 18 from Perth to Seattle, returning Fri, Jul 3, priced at CA $2,261 found 6 days ago
All Nippon Airways
Thu, Aug 20 - Tue, Aug 25
PER
Perth
SEA
Seattle
CA $2,499 Roundtrip, found 2 days ago
CA $2,499
Roundtrip
found 2 days ago
Select All Nippon Airways flight, departing Thu, Aug 20 from Perth to Seattle, returning Tue, Aug 25, priced at CA $2,499 found 2 days ago
Virgin Australia
Fri, Jun 19 - Sun, Jul 5
PER
Perth
SEA
Seattle
CA $2,514 Roundtrip, found 6 days ago
CA $2,514
Roundtrip
found 6 days ago
Select Virgin Australia flight, departing Fri, Jun 19 from Perth to Seattle, returning Sun, Jul 5, priced at CA $2,514 found 6 days ago
Alaska Airlines
Fri, Jun 19 - Sun, Jul 5
PER
Perth
SEA
Seattle
CA $2,529 Roundtrip, found 6 days ago
CA $2,529
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Jun 19 from Perth to Seattle, returning Sun, Jul 5, priced at CA $2,529 found 6 days ago
Qantas Airways
Thu, Aug 20 - Tue, Aug 25
PER
Perth
SEA
Seattle
CA $2,546 Roundtrip, found 2 days ago
CA $2,546
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Thu, Aug 20 from Perth to Seattle, returning Tue, Aug 25, priced at CA $2,546 found 2 days ago

Frequently asked questions

How much is a flight from Perth Airport (PER) to Sea-Tac Airport?
Pack your bags, because round-trip journeys between PER and Seattle - Tacoma Intl. Airport (SEA) start from CA $1,882. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PER to SEA?
Most flights can be cancelled online, but each air carrier has its own terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from PER to SEA that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from PER to Sea-Tac Airport. This allows you to lock in a low rate ahead of time and still have the freedom to reschedule without any additional fees. Fare adjustments may apply if your new flight is more expensive.
How many hours is the flight from PER to Sea-Tac Airport?
From Perth Airport to Sea-Tac Airport, you'll be airborne for about 22 hours and 30 minutes. If you've been wanting to get stuck into that amazing novel, now's a good time to do it.
How far is the flight from PER to Sea-Tac Airport?
Perth to SeaTac is around 14,900 kilometres, so be prepared to spend quite a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Throw in some snacks to munch on throughout your journey too.
Which airlines fly direct from Perth Airport (PER) to Seattle - Tacoma Intl. Airport (SEA)?
Currently, no airlines offer flights directly from PER to Sea-Tac Airport. You'll need to book a flight with at least one stop. To score the best connections and price, lock in your airfare well in advance.
Are Perth Airport to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from PER to Sea-Tac Airport can be hit-or-miss. You might be lucky and score a bargain, but then again, you could miss out altogether! If you'd prefer to play it safe and start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines issue their prices so far in advance. Our advice? Check back often as updates are made frequently.

Travel information

Origin airport
Perth
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
CA $1,881
Distance
14785 km

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