$149 Cheap United flights San José (SJO) to Newark Liberty Intl. Airport (EWR)

View $149 flight on Mon, Oct 27, 2025Opens in a new window

$149 Cheap United flights San José (SJO) to Newark Liberty Intl. Airport (EWR)

Prices were available within the past 7 days and start at $149 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Nov 1 - Sat, Nov 8
SJO
San José
EWR
New York
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from San José to New York, returning Sat, Nov 8, priced at $218 found 1 day ago
United
Wed, Aug 13 - Tue, Aug 19
SJO
San José
EWR
New York
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select United flight, departing Wed, Aug 13 from San José to New York, returning Tue, Aug 19, priced at $227 found 1 day ago
United
Sat, Nov 1 - Sat, Nov 8
SJO
San José
EWR
New York
$233 Roundtrip, found 1 day ago
$233
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from San José to New York, returning Sat, Nov 8, priced at $233 found 1 day ago
United
Tue, Aug 5 - Tue, Aug 26
SJO
San José
EWR
New York
$237 Roundtrip, found 5 hours ago
$237
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Aug 5 from San José to New York, returning Tue, Aug 26, priced at $237 found 5 hours ago
United
Mon, Aug 4 - Tue, Aug 19
SJO
San José
EWR
New York
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 4 from San José to New York, returning Tue, Aug 19, priced at $240 found 1 day ago
United
Tue, Sep 23 - Mon, Oct 6
SJO
San José
EWR
New York
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 23 from San José to New York, returning Mon, Oct 6, priced at $241 found 1 day ago
Flights from San José (SJO) to Newark Liberty Intl. Airport (EWR)
Origin airport
Juan Santamaría Intl.
Destination airport
Newark Liberty Intl. Airport
Airlines serving
Aeromexico, Air Canada, Alaska Airlines, American Airlines, Arajet, Copa, Delta, Frontier Airlines, Hahn Air Technologies, JetBlue Airways, Spirit Airlines, United, World Ticket Ltd
Popular airline
Spirit Airlines
Distance
2207 mi
Average flight time
7 hours 20 mins

Frequently asked questions

How much is a United Airlines flight from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR)?
You'll find affordable return United Airlines flights from $218 from SJO to EWR by filtering your results from "Price (lowest to highest)" on Expedia. Or look for deals from $149 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SJO to EWR with United Airlines?
United Airlines flights to Newark are typically cheaper in the quieter months of January and February. Whether you're after a round-trip or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR) with United Airlines?
Search for United Airlines flights from SJO to EWR about one month before you want to go. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your fare class or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR)?
Hop on one of United Airlines's 15 weekly direct flights from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR). To see your choices, enter your dates, destination and origin and hit search. Next, apply the "Nonstop" and "Airline" filters.
How long does it take to fly from SJO to EWR with United Airlines?
The journey time for a nonstop United Airlines flight from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR) takes approximately 5h 12m.
Which day of the week has the most United Airlines flights from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR)?
Friday has the most United Airlines flights from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR). With 3 daily departures, this is the best day to book something that will suit your schedule.
What is the earliest United Airlines flight from SJO to EWR?
Taking off from SJO at 9:05AM UTC-6, the first United Airlines flight to EWR lands at 3:17PM UTC-5. Traveling earlier in the day means you'll be less likely to encounter delays.* Don't like early starts? The last United Airlines flight from SJO to EWR departs at 2:00PM UTC-6 and touches down at 8:12PM UTC-5.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Newark?
Liberty Intl. Airport (EWR) is the main hub for United Airlines flights from Juan Santamaria Intl. Airport (SJO) to Newark. But the airline also flies to John F. Kennedy Intl. Airport (JFK). Make sure you choose Expedia's "All Airports" option for your destination to see all available choices for your trip to Newark.
Why fly with United Airlines from SJO to EWR?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to depart from SJO to EWR with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR)?
Chances are you'll be on a Boeing 737 MAX 8 for your United Airlines flight from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR). However, you could be switched to an alternative aircraft if operational demands require it.
Can I change or cancel my United Airlines flight from Juan Santamaria Intl. Airport (SJO) to Liberty Intl. Airport (EWR)?
Changes are usually free within 24 hours of making your booking, but your airline may charge you after that. For further details about modifying your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to update your itinerary without additional charges, check the "Changes included" or "No cancel fee" filter when organizing your next break.

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*Available to One Key members.