Cheap Flights to King County from $37

How much is the cheapest flight to King County?

Prices were available within the past 7 days and start at $37 for one-way flights and $121 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 10 - Mon, Aug 24

LAX

Los Angeles

SEA

Seattle

$121 Roundtrip, found 9 hours ago

$121

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Aug 10 from Los Angeles to Seattle, returning Mon, Aug 24, priced at $121 found 9 hours ago

Wed, Aug 19 - Sat, Aug 22

LAX

Los Angeles

SEA

Seattle

$128 Roundtrip, just found

$128

Roundtrip

just found

Select Frontier Airlines flight, departing Wed, Aug 19 from Los Angeles to Seattle, returning Sat, Aug 22, priced at $128 just found

Tue, Nov 3 - Tue, Nov 3

SFO

San Francisco

SEA

Seattle

$151 Roundtrip, found 19 hours ago

$151

Roundtrip

found 19 hours ago

Select Bargain Flight flight, departing Tue, Nov 3 from San Francisco to Seattle, returning Tue, Nov 3, priced at $151 found 19 hours ago

Tue, Nov 3 - Tue, Nov 3

SFO

San Francisco

SEA

Seattle

$152 Roundtrip, found 19 hours ago

$152

Roundtrip

found 19 hours ago

Select Delta flight, departing Tue, Nov 3 from San Francisco to Seattle, returning Tue, Nov 3, priced at $152 found 19 hours ago

Tue, Sep 1 - Sat, Sep 5

SFO

San Francisco

PAE

Seattle

$157 Roundtrip, just found

$157

Roundtrip

just found

Select Alaska Airlines flight, departing Tue, Sep 1 from San Francisco to Seattle, returning Sat, Sep 5, priced at $157 just found

Sat, Sep 19 - Wed, Sep 23

SFO

San Francisco

SEA

Seattle

$157 Roundtrip, just found

$157

Roundtrip

just found

Select United flight, departing Sat, Sep 19 from San Francisco to Seattle, returning Wed, Sep 23, priced at $157 just found

Sat, Sep 19 - Wed, Sep 23

SFO

San Francisco

SEA

Seattle

$177 Roundtrip, just found

$177

Roundtrip

just found

Select Southwest Airlines flight, departing Sat, Sep 19 from San Francisco to Seattle, returning Wed, Sep 23, priced at $177 just found

Sat, Sep 19 - Wed, Sep 23

SFO

San Francisco

SEA

Seattle

$177 Roundtrip, just found

$177

Roundtrip

just found

Select American Airlines flight, departing Sat, Sep 19 from San Francisco to Seattle, returning Wed, Sep 23, priced at $177 just found

Wed, Sep 9 - Tue, Sep 15

LAX

Los Angeles

PAE

Seattle

$217 Roundtrip, just found

$217

Roundtrip

just found

Select Alaska Airlines flight, departing Wed, Sep 9 from Los Angeles to Seattle, returning Tue, Sep 15, priced at $217 just found

Thu, Aug 27 - Tue, Sep 1

BWI

Baltimore

SEA

Seattle

$227 Roundtrip, found 1 hour ago

$227

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Thu, Aug 27 from Baltimore to Seattle, returning Tue, Sep 1, priced at $227 found 1 hour ago