United's Economy Plus offers extra legroom seats, enhancing comfort for a small additional fee.
United's Polaris Lounges offer exclusive amenities like showers and dining for premium passengers.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $242 (Delta) |
One-way from | $119 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $592 |
Good round-trip deal | $312 or less |
Good one-way deal | $219 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Sun 1/18
7:00 am-12:22 pm
1 stop8h 22m
San Diego
Sat 1/24
10:30 pm-10:58 am
1 stop9h 28m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Sun 3/1
6:54 am-10:20 am
Nonstop6h 26m
San Diego
Tue 3/3
6:30 am-5:22 pm
1 stop7h 52m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Sat 1/17
11:54 am-7:39 pm
1 stop10h 45m
San Diego
Fri 1/23
10:30 pm-10:47 am
1 stop9h 17m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Mon 2/9
6:44 pm-11:48 pm
1 stop8h 04m
San Diego
Sat 2/14
10:10 pm-8:52 am
1 stop7h 42m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Thu 3/5
4:29 pm-7:56 pm
Nonstop6h 27m
San Diego
Tue 3/10
7:00 am-6:59 pm
1 stop8h 59m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Fri 3/6
6:00 pm-9:24 pm
Nonstop6h 24m
San Diego
Sun 3/8
10:30 pm-6:38 am
Nonstop5h 08m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Sat 2/14
12:58 pm-6:16 pm
1 stop8h 18m
San Diego
Wed 2/18
8:00 am-5:55 pm
1 stop6h 55m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Thu 1/22
5:30 pm-8:35 am
1 stop18h 05m
San Diego
Sat 1/24
5:15 pm-3:29 pm
2 stops19h 14m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Sun 1/25
2:30 pm-10:45 pm
1 stop11h 15m
San Diego
Sat 1/31
1:29 pm-11:59 pm
1 stop7h 30m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Wed 1/14
6:50 am-10:04 am
Nonstop6h 14m
San Diego
Mon 1/19
10:40 pm-6:50 am
Nonstop5h 10m
| 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 Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Newark Airport to San Diego, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, December is the cheapest month in which you can book a flight from Newark Airport to San Diego (average of $84). Flying from Newark Airport to San Diego in November is currently the most expensive (average of $237). 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.
Unlike in the evening, when flights are generally more expensive, you can save up to 33% on flights from Newark Airport to San Diego by exploring options for tickets at noon.
Travelers seeking maximum savings on their Newark Airport to San Diego flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Food
Entertainment
Comfort
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$109 | Average$215 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$158 | Average$338 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$213 | Average$374 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$465 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$238 | Average$374 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$246 | Average$421 | FlexibilityNo cancel fee | On-time69% |