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Mount Vernon

Mount Vernon Flights as Low as $129

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, Sep 27 - Sat, Oct 4

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$129 Roundtrip, found 1 hour ago

$129

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sat, Sep 27 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $129 found 1 hour ago

Sat, Aug 30 - Sat, Sep 6

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$131 Roundtrip, found 1 day ago

$131

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 30 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Sep 6, priced at $131 found 1 day ago

Tue, Sep 30 - Tue, Sep 30

SFO

San Francisco Intl.

SEA

Seattle - Tacoma Intl.

$131 Roundtrip, found 7 hours ago

$131

Roundtrip

found 7 hours ago

Select Alaska Airlines flight, departing Tue, Sep 30 from San Francisco Intl. to Seattle - Tacoma Intl., returning Tue, Sep 30, priced at $131 found 7 hours ago

Tue, Sep 30 - Tue, Sep 30

SFO

San Francisco Intl.

SEA

Seattle - Tacoma Intl.

$132 Roundtrip, found 7 hours ago

$132

Roundtrip

found 7 hours ago

Select Delta flight, departing Tue, Sep 30 from San Francisco Intl. to Seattle - Tacoma Intl., returning Tue, Sep 30, priced at $132 found 7 hours ago

Sat, Aug 16 - Sat, Aug 16

SFO

San Francisco Intl.

SEA

Seattle - Tacoma Intl.

$134 Roundtrip, found 1 day ago

$134

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Aug 16 from San Francisco Intl. to Seattle - Tacoma Intl., returning Sat, Aug 16, priced at $134 found 1 day ago

Wed, Aug 27 - Wed, Aug 27

SFO

San Francisco Intl.

SEA

Seattle - Tacoma Intl.

$135 Roundtrip, found 5 days ago

$135

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Wed, Aug 27 from San Francisco Intl. to Seattle - Tacoma Intl., returning Wed, Aug 27, priced at $135 found 5 days ago

Sat, Sep 27 - Tue, Oct 7

SFO

San Francisco Intl.

PAE

Seattle Paine Field Intl. Airport

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Sep 27 from San Francisco Intl. to Seattle Paine Field Intl. Airport, returning Tue, Oct 7, priced at $137 found 1 day ago

Sat, Nov 1 - Wed, Nov 12

SFO

San Francisco Intl.

SEA

Seattle - Tacoma Intl.

$137 Roundtrip, found 6 days ago

$137

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Sat, Nov 1 from San Francisco Intl. to Seattle - Tacoma Intl., returning Wed, Nov 12, priced at $137 found 6 days ago

Tue, Sep 30 - Tue, Sep 30

SFO

San Francisco Intl.

SEA

Seattle - Tacoma Intl.

$137 Roundtrip, found 7 hours ago

$137

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Sep 30 from San Francisco Intl. to Seattle - Tacoma Intl., returning Tue, Sep 30, priced at $137 found 7 hours ago

Mon, Sep 15 - Fri, Sep 19

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$139 Roundtrip, found 3 days ago

$139

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Sep 15 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Fri, Sep 19, priced at $139 found 3 days ago

Tue, Nov 4 - Tue, Nov 11

SFO

San Francisco Intl.

SEA

Seattle - Tacoma Intl.

$139 Roundtrip, found 1 day ago

$139

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Nov 4 from San Francisco Intl. to Seattle - Tacoma Intl., returning Tue, Nov 11, priced at $139 found 1 day ago

Sat, Sep 27 - Sat, Oct 4

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$157 Roundtrip, found 1 hour ago

$157

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Sat, Sep 27 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Sat, Oct 4, priced at $157 found 1 hour ago

Mon, Aug 4 - Fri, Aug 8

LAX

Los Angeles Intl.

SEA

Seattle - Tacoma Intl.

$171 Roundtrip, just found

$171

Roundtrip

just found

Select Spirit Airlines flight, departing Mon, Aug 4 from Los Angeles Intl. to Seattle - Tacoma Intl., returning Fri, Aug 8, priced at $171 just found

Tue, Sep 16 - Sat, Sep 20

LAX

Los Angeles Intl.

PAE

Seattle Paine Field Intl. Airport

$196 Roundtrip, found 9 hours ago

$196

Roundtrip

found 9 hours ago

Select Bargain Flight flight, departing Tue, Sep 16 from Los Angeles Intl. to Seattle Paine Field Intl. Airport, returning Sat, Sep 20, priced at $196 found 9 hours ago

Tue, Oct 28 - Tue, Nov 4

LAX

Los Angeles Intl.

BLI

Bellingham Intl.

$258 Roundtrip, found 2 days ago

$258

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Oct 28 from Los Angeles Intl. to Bellingham Intl., returning Tue, Nov 4, priced at $258 found 2 days ago

Thu, Jul 31 - Tue, Aug 5

LAX

Los Angeles Intl.

BFI

Boeing Field

$829 Roundtrip, found 4 days ago

$829

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Thu, Jul 31 from Los Angeles Intl. to Boeing Field, returning Tue, Aug 5, priced at $829 found 4 days ago