$172 Cheap Frontier Airlines flights Newark Liberty Intl. Airport (EWR) to San José (SJO)

View $172 flight on Mon, Jan 5, 2026Opens in a new window

$172 Cheap Frontier Airlines flights Newark Liberty Intl. Airport (EWR) to San José (SJO)

Prices were available within the past 7 days and start at $172 for one-way flights and $286 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Feb 21 - Sat, Feb 28
EWR
New York
SJO
San José
$286 Roundtrip, found 3 days ago
$286
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Feb 21 from New York to San José, returning Sat, Feb 28, priced at $286 found 3 days ago

Find the cheapest month to fly from New York (EWR) to San José (SJO)

October is typically the cheapest month to fly

From $181 - $298 per traveler.

Alternative airports near San José

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Juan Santamaria Intl. SJO. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $317
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city center20 min
Flights from $317
Flights from Newark Liberty Intl. Airport (EWR) to San José (SJO)
Origin airport
Newark Liberty Intl. Airport
Destination airport
Juan Santamaría Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, United
Popular airline
United
Distance
3531 km
Average flight time
4 hours 22 mins