Cheap flights from San José to Cascade Loop Scenic Byway from CA $262

View CA $262 flight on Thu, Jan. 15, 2026Opens in a new window

Popular airlines from San José to Cascade Loop Scenic Byway

  • American Airlines

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Cheap flights from San José (SJO) to Cascade Loop Scenic Byway (SEA)

Prices were available within the past 7 days and start at CA $262 for one-way flights and CA $1,199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Jul. 28 - Tue, Sep. 30
SJO
San José
BLI
Bellingham
CA $1,199 Roundtrip, found 1 day ago
CA $1,199
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jul. 28 from San José to Bellingham, returning Tue, Sep. 30, priced at CA $1,199 found 1 day ago
Alaska Airlines
Mon, Jul. 28 - Tue, Sep. 30
SJO
San José
BLI
Bellingham
CA $1,207 Roundtrip, found 1 day ago
CA $1,207
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jul. 28 from San José to Bellingham, returning Tue, Sep. 30, priced at CA $1,207 found 1 day ago
American Airlines
Mon, Jul. 28 - Tue, Sep. 30
SJO
San José
BLI
Bellingham
CA $1,238 Roundtrip, found 1 day ago
CA $1,238
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Jul. 28 from San José to Bellingham, returning Tue, Sep. 30, priced at CA $1,238 found 1 day ago
Alaska Airlines
Mon, Jul. 28 - Tue, Sep. 30
SJO
San José
BLI
Bellingham
CA $1,239 Roundtrip, found 1 day ago
CA $1,239
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jul. 28 from San José to Bellingham, returning Tue, Sep. 30, priced at CA $1,239 found 1 day ago
Alaska Airlines
Mon, Jul. 28 - Tue, Sep. 30
SJO
San José
BLI
Bellingham
CA $1,279 Roundtrip, found 1 day ago
CA $1,279
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jul. 28 from San José to Bellingham, returning Tue, Sep. 30, priced at CA $1,279 found 1 day ago
American Airlines
Mon, Jul. 28 - Tue, Sep. 30
SJO
San José
BLI
Bellingham
CA $1,282 Roundtrip, found 1 day ago
CA $1,282
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Jul. 28 from San José to Bellingham, returning Tue, Sep. 30, priced at CA $1,282 found 1 day ago

Find the cheapest month to fly from San José (SJO) to Seattle (SEA)

September is typically the cheapest month to fly

From CA $468 - CA $907 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.