Flights from Seattle to San Juan

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.

Mon, Dec 15 - Sat, Jan 17

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$489 Roundtrip, found 19 hours ago

$489

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Mon, Dec 15 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Sat, Jan 17, priced at $489 found 19 hours ago

Sun, Dec 21 - Tue, Jan 13

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$640 Roundtrip, found 19 hours ago

$640

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Dec 21 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Tue, Jan 13, priced at $640 found 19 hours ago

Sun, Dec 21 - Mon, Jan 19

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$644 Roundtrip, found 19 hours ago

$644

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Dec 21 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Mon, Jan 19, priced at $644 found 19 hours ago

Sun, Dec 21 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$670 Roundtrip, found 19 hours ago

$670

Roundtrip

found 19 hours ago

Select United flight, departing Sun, Dec 21 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $670 found 19 hours ago

Mon, Dec 15 - Mon, Jan 19

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$683 Roundtrip, found 19 hours ago

$683

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Mon, Dec 15 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Mon, Jan 19, priced at $683 found 19 hours ago

Tue, Dec 16 - Tue, Jan 13

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$687 Roundtrip, found 19 hours ago

$687

Roundtrip

found 19 hours ago

Select Air Canada flight, departing Tue, Dec 16 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Tue, Jan 13, priced at $687 found 19 hours ago

Tue, Dec 16 - Thu, Jan 15

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$694 Roundtrip, found 19 hours ago

$694

Roundtrip

found 19 hours ago

Select Air Canada flight, departing Tue, Dec 16 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Thu, Jan 15, priced at $694 found 19 hours ago

Mon, Dec 15 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$719 Roundtrip, found 19 hours ago

$719

Roundtrip

found 19 hours ago

Select Air Canada flight, departing Mon, Dec 15 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $719 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$841 Roundtrip, found 19 hours ago

$841

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $841 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$850 Roundtrip, found 19 hours ago

$850

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $850 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$886 Roundtrip, found 19 hours ago

$886

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $886 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$895 Roundtrip, found 19 hours ago

$895

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $895 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$916 Roundtrip, found 19 hours ago

$916

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $916 found 19 hours ago

Sat, Dec 20 - Thu, Jan 15

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$919 Roundtrip, found 19 hours ago

$919

Roundtrip

found 19 hours ago

Select American Airlines flight, departing Sat, Dec 20 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Thu, Jan 15, priced at $919 found 19 hours ago

Fri, Dec 19 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$1,146 Roundtrip, found 19 hours ago

$1,146

Roundtrip

found 19 hours ago

Select Aeromexico flight, departing Fri, Dec 19 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $1,146 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

PAE

Seattle Paine Field Intl. Airport

SJO

Juan Santamaría Intl.

$1,500 Roundtrip, found 19 hours ago

$1,500

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Thu, Dec 18 from Seattle Paine Field Intl. Airport to Juan Santamaría Intl., returning Fri, Jan 16, priced at $1,500 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$1,531 Roundtrip, found 19 hours ago

$1,531

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $1,531 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$1,636 Roundtrip, found 19 hours ago

$1,636

Roundtrip

found 19 hours ago

Select Copa flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $1,636 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$1,846 Roundtrip, found 19 hours ago

$1,846

Roundtrip

found 19 hours ago

Select Delta flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $1,846 found 19 hours ago

Thu, Dec 18 - Fri, Jan 16

SEA

Seattle - Tacoma Intl.

SJO

Juan Santamaría Intl.

$2,100 Roundtrip, found 19 hours ago

$2,100

Roundtrip

found 19 hours ago

Select avianca flight, departing Thu, Dec 18 from Seattle - Tacoma Intl. to Juan Santamaría Intl., returning Fri, Jan 16, priced at $2,100 found 19 hours ago