Cheap flights from Perth to Cascade Loop Scenic Byway

View AU$1,530 flight on Thu, 20 Nov. 2025Opens in a new window

Popular airlines from Perth to Cascade Loop Scenic Byway

  • Virgin Australia

    Virgin Australia

  • Qatar Airways

    Qatar Airways

  • Singapore Airlines

    Singapore Airlines

  • American Airlines

    American Airlines

  • Qantas Airways

    Qantas Airways

  • United

    United

  • Cathay Pacific

    Cathay Pacific

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Cheap Flights from Perth (PER) to Cascade Loop Scenic Byway (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Mon., 19 Jan. - Fri., 30 Jan.
PER
Perth
BLI
Bellingham
AU$2,790 Return, found 1 day ago
AU$2,790
Return
found 1 day ago
Select Qatar Airways flight, departing Mon., 19 Jan. from Perth to Bellingham, returning Fri., 30 Jan., priced at AU$2,790 found 1 day ago
Qatar Airways
Mon., 19 Jan. - Fri., 30 Jan.
PER
Perth
BLI
Bellingham
AU$2,797 Return, found 1 day ago
AU$2,797
Return
found 1 day ago
Select Qatar Airways flight, departing Mon., 19 Jan. from Perth to Bellingham, returning Fri., 30 Jan., priced at AU$2,797 found 1 day ago
Qatar Airways
Mon., 19 Jan. - Fri., 30 Jan.
PER
Perth
BLI
Bellingham
AU$2,814 Return, found 1 day ago
AU$2,814
Return
found 1 day ago
Select Qatar Airways flight, departing Mon., 19 Jan. from Perth to Bellingham, returning Fri., 30 Jan., priced at AU$2,814 found 1 day ago
Qatar Airways
Mon., 19 Jan. - Fri., 30 Jan.
PER
Perth
BLI
Bellingham
AU$2,814 Return, found 1 day ago
AU$2,814
Return
found 1 day ago
Select Qatar Airways flight, departing Mon., 19 Jan. from Perth to Bellingham, returning Fri., 30 Jan., priced at AU$2,814 found 1 day ago
Qatar Airways
Mon., 19 Jan. - Fri., 30 Jan.
PER
Perth
BLI
Bellingham
AU$2,972 Return, found 1 day ago
AU$2,972
Return
found 1 day ago
Select Qatar Airways flight, departing Mon., 19 Jan. from Perth to Bellingham, returning Fri., 30 Jan., priced at AU$2,972 found 1 day ago
Emirates
Mon., 19 Jan. - Fri., 30 Jan.
PER
Perth
BLI
Bellingham
AU$3,075 Return, found 1 day ago
AU$3,075
Return
found 1 day ago
Select Emirates flight, departing Mon., 19 Jan. from Perth to Bellingham, returning Fri., 30 Jan., priced at AU$3,075 found 1 day ago

Find the cheapest month to fly from Perth (PER) to Seattle (SEA)

March is typically the cheapest month to fly

From AU$1,579 - AU$2,404 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.