Plan for long security waits at EWR. Arrive at least two hours early as wait times can be unpredictable.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $297 (FlightHub) |
One-way from | $113 (Expedia) |
Popular in | December |
Cheapest in | October |
Average price | $532 |
Good round-trip deal | $455 or less |
Good one-way deal | $222 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkSan José
EWR - SJO
EWRSJO
Newark
Sat 1/24
5:15 am-6:16 pm
1 stop14h 01m
San José Juan Santamaria Intl
Fri 1/30
6:30 am-11:06 pm
1 stop15h 36m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Sun 5/3
6:00 am-11:55 am
1 stop7h 55m
San José Juan Santamaria Intl
Wed 5/6
12:55 pm-10:59 pm
1 stop8h 04m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Thu 1/22
9:22 pm-12:56 pm
1 stop16h 34m
San José Juan Santamaria Intl
Wed 1/28
6:30 am-9:19 pm
1 stop13h 49m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Tue 3/24
7:07 am-10:30 am
Nonstop5h 23m
San José Juan Santamaria Intl
Thu 4/16
11:50 am-7:13 pm
Nonstop5h 23m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Wed 3/18
7:07 am-10:30 am
Nonstop5h 23m
San José Juan Santamaria Intl
Tue 3/24
1:05 pm-12:28 am
1 stop9h 23m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Fri 1/23
7:45 am-8:39 pm
1 stop13h 54m
San José Juan Santamaria Intl
Wed 1/28
9:05 am-3:18 pm
Nonstop5h 13m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Mon 5/11
8:21 am-11:38 am
Nonstop5h 17m
San José Juan Santamaria Intl
Wed 5/13
7:55 am-12:35 am
1 stop14h 40m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Fri 1/30
8:19 am-12:42 pm
Nonstop5h 23m
San José Juan Santamaria Intl
Tue 2/3
9:05 am-3:18 pm
Nonstop5h 13m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Wed 1/21
3:31 pm-7:53 pm
Nonstop5h 22m
San José Juan Santamaria Intl
Wed 1/28
9:05 am-3:18 pm
Nonstop5h 13m
NewarkSan José
EWR - SJO
EWRSJO
Newark
Thu 1/22
3:31 pm-7:53 pm
Nonstop5h 22m
San José Juan Santamaria Intl
Tue 2/10
6:30 am-5:00 pm
1 stop9h 30m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Newark Airport to San José is 19 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from Newark Airport to San José (average of $209). Flying from Newark Airport to San José in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to San José as you normally would.
About 17% of weekly flights between Newark and San José have experienced delays in the past year, with the average delay time being 163 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Dane,Jan 2026
IAD - TYS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$147 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$593 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$188 | Average$413 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$201 | Average$456 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$474 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$239 | Average$462 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$257 | Average$509 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$265 | Average$777 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$295 | Average$547 | FlexibilityNo cancel fee | On-time69% |