Flights from San Francisco to Sirena

Cheapest flights from San Francisco

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, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$591 Roundtrip, found 17 hours ago

$591

Roundtrip

found 17 hours ago

Select JetBlue Airways flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $591 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$620 Roundtrip, found 17 hours ago

$620

Roundtrip

found 17 hours ago

Select Alaska Airlines flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $620 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$631 Roundtrip, found 17 hours ago

$631

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $631 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$641 Roundtrip, found 17 hours ago

$641

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $641 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$653 Roundtrip, found 17 hours ago

$653

Roundtrip

found 17 hours ago

Select JetBlue Airways flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $653 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$657 Roundtrip, found 17 hours ago

$657

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $657 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$660 Roundtrip, found 17 hours ago

$660

Roundtrip

found 17 hours ago

Select Alaska Airlines flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $660 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$701 Roundtrip, found 17 hours ago

$701

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $701 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$711 Roundtrip, found 17 hours ago

$711

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $711 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$724 Roundtrip, found 17 hours ago

$724

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $724 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$727 Roundtrip, found 17 hours ago

$727

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $727 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$734 Roundtrip, found 17 hours ago

$734

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $734 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$735 Roundtrip, found 17 hours ago

$735

Roundtrip

found 17 hours ago

Select avianca flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $735 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$755 Roundtrip, found 17 hours ago

$755

Roundtrip

found 17 hours ago

Select Alaska Airlines flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $755 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$892 Roundtrip, found 17 hours ago

$892

Roundtrip

found 17 hours ago

Select JetBlue Airways flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $892 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$936 Roundtrip, found 17 hours ago

$936

Roundtrip

found 17 hours ago

Select United flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $936 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$951 Roundtrip, found 17 hours ago

$951

Roundtrip

found 17 hours ago

Select American Airlines flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $951 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$1,060 Roundtrip, found 17 hours ago

$1,060

Roundtrip

found 17 hours ago

Select Copa flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $1,060 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$1,376 Roundtrip, found 17 hours ago

$1,376

Roundtrip

found 17 hours ago

Select Aeromexico flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $1,376 found 17 hours ago

Mon, Jul 7 - Fri, Jul 18

SFO

San Francisco Intl.

SJO

Juan Santamaría Intl.

$1,743 Roundtrip, found 17 hours ago

$1,743

Roundtrip

found 17 hours ago

Select Air Canada flight, departing Mon, Jul 7 from San Francisco Intl. to Juan Santamaría Intl., returning Fri, Jul 18, priced at $1,743 found 17 hours ago