Flights to Cascade from Seattle - $51

Cheap Flights from Seattle to Cascade (SEA-BOI)

Prices were available within the past 7 days and start at $51 for one-way flights and $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Tue, Oct 14

SEA

Seattle

BOI

Boise

$101 Roundtrip, just found

$101

Roundtrip

just found

Select Southwest Airlines flight, departing Tue, Oct 7 from Seattle to Boise, returning Tue, Oct 14, priced at $101 just found

Wed, Oct 8 - Wed, Oct 15

SEA

Seattle

BOI

Boise

$106 Roundtrip, just found

$106

Roundtrip

just found

Select Southwest Airlines flight, departing Wed, Oct 8 from Seattle to Boise, returning Wed, Oct 15, priced at $106 just found

Tue, Oct 7 - Tue, Oct 14

SEA

Seattle

BOI

Boise

$117 Roundtrip, just found

$117

Roundtrip

just found

Select Alaska Airlines flight, departing Tue, Oct 7 from Seattle to Boise, returning Tue, Oct 14, priced at $117 just found

Tue, Oct 7 - Tue, Oct 14

SEA

Seattle

BOI

Boise

$117 Roundtrip, just found

$117

Roundtrip

just found

Select Delta flight, departing Tue, Oct 7 from Seattle to Boise, returning Tue, Oct 14, priced at $117 just found

Tue, Aug 12 - Mon, Aug 18

PAE

Seattle

BOI

Boise

$174 Roundtrip, found 23 hours ago

$174

Roundtrip

found 23 hours ago

Select Hawaiian Airlines flight, departing Tue, Aug 12 from Seattle to Boise, returning Mon, Aug 18, priced at $174 found 23 hours ago

Fri, Sep 5 - Sun, Sep 7

SEA

Seattle

BOI

Boise

$177 Roundtrip, just found

$177

Roundtrip

just found

Select United flight, departing Fri, Sep 5 from Seattle to Boise, returning Sun, Sep 7, priced at $177 just found