Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Seattle (BFI) to Perth (PER)

How to find the cheapest flight from Seattle (BFI) to Perth (PER)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Perth (PER)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Perth (PER)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Seattle to Perth in April , May 2026

30 Apr - 20 May $ 2,512.00
BFI
Seattle
Air Excursions
3 STOPS
PER
Perth
PER
Perth
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
30 Apr - 20 May $ 2,546.00
BFI
Seattle
Air Excursions
3 STOPS
PER
Perth
PER
Perth
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
30 Apr - 20 May $ 2,581.00
BFI
Seattle
Air Excursions
3 STOPS
PER
Perth
PER
Perth
Air Excursions
3 STOPS
BFI
Seattle
Pick dates

Last minute flights from Seattle to Perth

28 Apr - 01 May $ 4,218.00
BFI
Seattle
Air Excursions
3 STOPS
PER
Perth
PER
Perth
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Apr - 01 May $ 4,237.00
BFI
Seattle
Air Excursions
3 STOPS
PER
Perth
PER
Perth
Air Excursions
3 STOPS
BFI
Seattle
Pick dates
28 Apr - 01 May $ 4,308.00
BFI
Seattle
Air Excursions
3 STOPS
PER
Perth
PER
Perth
Air Excursions
3 STOPS
BFI
Seattle
Pick dates

One-way flights to Perth from Seattle

5:25 AM - 4:10 PM
Jetstar Airways
3 Stops
46h 5m
BFI - PER
$ 1,279
Kiwi
Pick dates
8:05 AM - 4:10 PM
Jetstar Airways
3 Stops
43h 25m
BFI - PER
$ 1,312
Kiwi
Pick dates
5:25 AM - 12:30 PM
Jetstar Airways
3 Stops
42h 20m
BFI - PER
$ 1,347
Kiwi
Pick dates

How to find the cheapest flight from Seattle (BFI) to Perth (PER)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Perth (PER)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Seattle (BFI) to Perth (PER)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.