Flights from Seattle to Key West

Cheapest flights from Seattle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 24 - Thu, Jan 1

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$745 Roundtrip, found 23 hours ago

$745

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Wed, Dec 24 from Seattle - Tacoma Intl. to Key West Intl., returning Thu, Jan 1, priced at $745 found 23 hours ago

Wed, Dec 24 - Tue, Dec 30

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$762 Roundtrip, found 23 hours ago

$762

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Wed, Dec 24 from Seattle - Tacoma Intl. to Key West Intl., returning Tue, Dec 30, priced at $762 found 23 hours ago

Sun, Dec 21 - Thu, Jan 1

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$823 Roundtrip, found 23 hours ago

$823

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Sun, Dec 21 from Seattle - Tacoma Intl. to Key West Intl., returning Thu, Jan 1, priced at $823 found 23 hours ago

Thu, Dec 25 - Mon, Jan 5

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$827 Roundtrip, found 23 hours ago

$827

Roundtrip

found 23 hours ago

Select Hawaiian Airlines flight, departing Thu, Dec 25 from Seattle - Tacoma Intl. to Key West Intl., returning Mon, Jan 5, priced at $827 found 23 hours ago

Thu, Dec 25 - Thu, Jan 1

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$834 Roundtrip, found 23 hours ago

$834

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Thu, Dec 25 from Seattle - Tacoma Intl. to Key West Intl., returning Thu, Jan 1, priced at $834 found 23 hours ago

Sun, Dec 21 - Tue, Dec 30

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$840 Roundtrip, found 23 hours ago

$840

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Sun, Dec 21 from Seattle - Tacoma Intl. to Key West Intl., returning Tue, Dec 30, priced at $840 found 23 hours ago

Tue, Dec 23 - Thu, Jan 1

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$850 Roundtrip, found 23 hours ago

$850

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Tue, Dec 23 from Seattle - Tacoma Intl. to Key West Intl., returning Thu, Jan 1, priced at $850 found 23 hours ago

Thu, Dec 25 - Tue, Dec 30

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$851 Roundtrip, found 23 hours ago

$851

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Thu, Dec 25 from Seattle - Tacoma Intl. to Key West Intl., returning Tue, Dec 30, priced at $851 found 23 hours ago

Mon, Dec 22 - Thu, Jan 1

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$853 Roundtrip, found 23 hours ago

$853

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Mon, Dec 22 from Seattle - Tacoma Intl. to Key West Intl., returning Thu, Jan 1, priced at $853 found 23 hours ago

Wed, Dec 24 - Sun, Jan 4

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$866 Roundtrip, found 23 hours ago

$866

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Wed, Dec 24 from Seattle - Tacoma Intl. to Key West Intl., returning Sun, Jan 4, priced at $866 found 23 hours ago

Mon, Dec 22 - Tue, Dec 30

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$870 Roundtrip, found 23 hours ago

$870

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Mon, Dec 22 from Seattle - Tacoma Intl. to Key West Intl., returning Tue, Dec 30, priced at $870 found 23 hours ago

Wed, Dec 24 - Fri, Jan 2

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$929 Roundtrip, found 23 hours ago

$929

Roundtrip

found 23 hours ago

Select Delta flight, departing Wed, Dec 24 from Seattle - Tacoma Intl. to Key West Intl., returning Fri, Jan 2, priced at $929 found 23 hours ago

Sun, Dec 21 - Sun, Jan 4

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$944 Roundtrip, found 23 hours ago

$944

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Sun, Dec 21 from Seattle - Tacoma Intl. to Key West Intl., returning Sun, Jan 4, priced at $944 found 23 hours ago

Sat, Dec 20 - Mon, Jan 5

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$947 Roundtrip, found 23 hours ago

$947

Roundtrip

found 23 hours ago

Select Hawaiian Airlines flight, departing Sat, Dec 20 from Seattle - Tacoma Intl. to Key West Intl., returning Mon, Jan 5, priced at $947 found 23 hours ago

Thu, Dec 25 - Sun, Jan 4

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$955 Roundtrip, found 23 hours ago

$955

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Thu, Dec 25 from Seattle - Tacoma Intl. to Key West Intl., returning Sun, Jan 4, priced at $955 found 23 hours ago

Tue, Dec 23 - Sun, Jan 4

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$971 Roundtrip, found 23 hours ago

$971

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Tue, Dec 23 from Seattle - Tacoma Intl. to Key West Intl., returning Sun, Jan 4, priced at $971 found 23 hours ago

Mon, Dec 22 - Sun, Jan 4

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$974 Roundtrip, found 23 hours ago

$974

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Mon, Dec 22 from Seattle - Tacoma Intl. to Key West Intl., returning Sun, Jan 4, priced at $974 found 23 hours ago

Tue, Dec 23 - Fri, Jan 2

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$989 Roundtrip, found 23 hours ago

$989

Roundtrip

found 23 hours ago

Select United flight, departing Tue, Dec 23 from Seattle - Tacoma Intl. to Key West Intl., returning Fri, Jan 2, priced at $989 found 23 hours ago

Sun, Dec 21 - Fri, Jan 2

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$996 Roundtrip, found 23 hours ago

$996

Roundtrip

found 23 hours ago

Select United flight, departing Sun, Dec 21 from Seattle - Tacoma Intl. to Key West Intl., returning Fri, Jan 2, priced at $996 found 23 hours ago

Thu, Dec 25 - Fri, Jan 2

SEA

Seattle - Tacoma Intl.

EYW

Key West Intl.

$1,029 Roundtrip, found 23 hours ago

$1,029

Roundtrip

found 23 hours ago

Select Hawaiian Airlines flight, departing Thu, Dec 25 from Seattle - Tacoma Intl. to Key West Intl., returning Fri, Jan 2, priced at $1,029 found 23 hours ago