Cheap Frontier Airlines flights Newark Liberty Intl. Airport (EWR) to San José (SJO)

Cheap Frontier Airlines flights Newark Liberty Intl. Airport (EWR) to San José (SJO)

Prices were available within the past 7 days and start at for one-way flights and $406 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 1 - Thu, Aug 13

EWR

New York

SJO

San José

$406 Roundtrip, found 8 hours ago

$406

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Aug 1 from New York to San José, returning Thu, Aug 13, priced at $406 found 8 hours ago

Sat, Aug 1 - Sun, Aug 9

EWR

New York

SJO

San José

$427 Roundtrip, found 8 hours ago

$427

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Aug 1 from New York to San José, returning Sun, Aug 9, priced at $427 found 8 hours ago

Thu, Aug 6 - Thu, Aug 13

EWR

New York

SJO

San José

$473 Roundtrip, found 8 hours ago

$473

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, Aug 6 from New York to San José, returning Thu, Aug 13, priced at $473 found 8 hours ago

Wed, May 20 - Sun, May 31

EWR

New York

SJO

San José

$490 Roundtrip, found 13 hours ago

$490

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Wed, May 20 from New York to San José, returning Sun, May 31, priced at $490 found 13 hours ago

Sat, Aug 1 - Mon, Aug 10

EWR

New York

SJO

San José

$494 Roundtrip, found 8 hours ago

$494

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Aug 1 from New York to San José, returning Mon, Aug 10, priced at $494 found 8 hours ago

Sat, May 23 - Thu, May 28

EWR

New York

SJO

San José

$515 Roundtrip, found 13 hours ago

$515

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sat, May 23 from New York to San José, returning Thu, May 28, priced at $515 found 13 hours ago

Sun, Aug 2 - Thu, Aug 13

EWR

New York

SJO

San José

$535 Roundtrip, found 8 hours ago

$535

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sun, Aug 2 from New York to San José, returning Thu, Aug 13, priced at $535 found 8 hours ago

Sun, Aug 2 - Sun, Aug 9

EWR

New York

SJO

San José

$556 Roundtrip, found 8 hours ago

$556

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sun, Aug 2 from New York to San José, returning Sun, Aug 9, priced at $556 found 8 hours ago

Thu, Aug 6 - Mon, Aug 10

EWR

New York

SJO

San José

$561 Roundtrip, found 8 hours ago

$561

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, Aug 6 from New York to San José, returning Mon, Aug 10, priced at $561 found 8 hours ago

Sat, May 23 - Sun, May 31

EWR

New York

SJO

San José

$598 Roundtrip, found 13 hours ago

$598

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sat, May 23 from New York to San José, returning Sun, May 31, priced at $598 found 13 hours ago

Sun, Aug 2 - Mon, Aug 10

EWR

New York

SJO

San José

$623 Roundtrip, found 8 hours ago

$623

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sun, Aug 2 from New York to San José, returning Mon, Aug 10, priced at $623 found 8 hours ago