Flights from Newark to Poasito

Cheapest flights from Newark

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.

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$316 Roundtrip, found 6 days ago

$316

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $316 found 6 days ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$321 Roundtrip, found 6 days ago

$321

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $321 found 6 days ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$327 Roundtrip, found 6 days ago

$327

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $327 found 6 days ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$335 Roundtrip, found 6 days ago

$335

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $335 found 6 days ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$346 Roundtrip, found 6 days ago

$346

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $346 found 6 days ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$348 Roundtrip, found 6 days ago

$348

Roundtrip

found 6 days ago

Select avianca flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $348 found 6 days ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$352 Roundtrip, found 6 days ago

$352

Roundtrip

found 6 days ago

Select American Airlines flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $352 found 6 days ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$356 Roundtrip, found 6 days ago

$356

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $356 found 6 days ago

Tue, Aug 5 - Wed, Aug 13

LGA

LaGuardia

SJO

Juan Santamaría Intl.

$359 Roundtrip, found 1 hour ago

$359

Roundtrip

found 1 hour ago

Select Spirit Airlines flight, departing Tue, Aug 5 from LaGuardia to Juan Santamaría Intl., returning Wed, Aug 13, priced at $359 found 1 hour ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$362 Roundtrip, found 6 days ago

$362

Roundtrip

found 6 days ago

Select Copa flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $362 found 6 days ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$362 Roundtrip, found 6 days ago

$362

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $362 found 6 days ago

Tue, Aug 5 - Tue, Aug 12

LGA

LaGuardia

SJO

Juan Santamaría Intl.

$368 Roundtrip, found 1 hour ago

$368

Roundtrip

found 1 hour ago

Select Spirit Airlines flight, departing Tue, Aug 5 from LaGuardia to Juan Santamaría Intl., returning Tue, Aug 12, priced at $368 found 1 hour ago

Tue, Aug 5 - Thu, Aug 14

LGA

LaGuardia

SJO

Juan Santamaría Intl.

$369 Roundtrip, found 1 hour ago

$369

Roundtrip

found 1 hour ago

Select Spirit Airlines flight, departing Tue, Aug 5 from LaGuardia to Juan Santamaría Intl., returning Thu, Aug 14, priced at $369 found 1 hour ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$439 Roundtrip, found 6 days ago

$439

Roundtrip

found 6 days ago

Select Copa flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $439 found 6 days ago

Thu, Aug 7 - Tue, Aug 12

LGA

LaGuardia

SJO

Juan Santamaría Intl.

$481 Roundtrip, just found

$481

Roundtrip

just found

Select United flight, departing Thu, Aug 7 from LaGuardia to Juan Santamaría Intl., returning Tue, Aug 12, priced at $481 just found

Thu, Aug 7 - Tue, Aug 12

LGA

LaGuardia

SJO

Juan Santamaría Intl.

$482 Roundtrip, just found

$482

Roundtrip

just found

Select American Airlines flight, departing Thu, Aug 7 from LaGuardia to Juan Santamaría Intl., returning Tue, Aug 12, priced at $482 just found

Thu, Jan 1 - Wed, Jan 7

EWR

Newark Liberty Intl. Airport

SJO

Juan Santamaría Intl.

$522 Roundtrip, found 1 day ago

$522

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Jan 1 from Newark Liberty Intl. Airport to Juan Santamaría Intl., returning Wed, Jan 7, priced at $522 found 1 day ago

Tue, Aug 12 - Wed, Aug 13

JFK

John F. Kennedy Intl.

SJO

Juan Santamaría Intl.

$705 Roundtrip, found 6 days ago

$705

Roundtrip

found 6 days ago

Select Aeromexico flight, departing Tue, Aug 12 from John F. Kennedy Intl. to Juan Santamaría Intl., returning Wed, Aug 13, priced at $705 found 6 days ago

Tue, Dec 30 - Sun, Jan 4

EWR

Newark Liberty Intl. Airport

SJO

Juan Santamaría Intl.

$943 Roundtrip, found 1 day ago

$943

Roundtrip

found 1 day ago

Select World Ticket Ltd flight, departing Tue, Dec 30 from Newark Liberty Intl. Airport to Juan Santamaría Intl., returning Sun, Jan 4, priced at $943 found 1 day ago

Mon, Dec 29 - Mon, Jan 5

EWR

Newark Liberty Intl. Airport

SJO

Juan Santamaría Intl.

$1,648 Roundtrip, found 1 day ago

$1,648

Roundtrip

found 1 day ago

Select Air Canada flight, departing Mon, Dec 29 from Newark Liberty Intl. Airport to Juan Santamaría Intl., returning Mon, Jan 5, priced at $1,648 found 1 day ago