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 (United Airlines) |
One-way from | $122 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $432 |
Good round-trip deal | $298 or less |
Good one-way deal | $235 or less |
Fly from
Fly to
Route
Depart
Return
Price
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Sun 1/18
6:50 am-10:04 am
Nonstop6h 14m
San Diego
Thu 1/22
1:35 pm-9:56 pm
Nonstop5h 21m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Wed 3/4
5:55 pm-9:10 pm
Nonstop6h 15m
San Diego
Tue 3/10
8:50 pm-2:40 pm
1 stop14h 50m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Fri 1/9
6:50 am-10:04 am
Nonstop6h 14m
San Diego
Mon 1/12
1:00 pm-1:08 am
1 stop9h 08m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Thu 12/4
7:00 am-1:09 pm
1 stop9h 09m
San Diego
Fri 12/12
7:07 pm-5:14 am
1 stop7h 07m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Tue 12/9
9:37 am-2:12 pm
1 stop7h 35m
San Diego
Wed 12/17
11:05 am-9:05 pm
1 stop7h 00m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Thu 1/29
9:15 am-12:27 pm
Nonstop6h 12m
San Diego
Sun 2/1
11:08 am-9:25 pm
1 stop7h 17m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Wed 12/3
3:30 pm-8:45 pm
1 stop8h 15m
San Diego
Tue 2/17
11:05 am-9:25 pm
1 stop7h 20m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Wed 12/3
4:59 pm-10:30 pm
1 stop8h 31m
San Diego
Wed 12/17
2:16 pm-12:13 am
1 stop6h 57m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Fri 12/5
4:59 pm-10:30 pm
1 stop8h 31m
San Diego
Sat 12/6
11:02 am-9:20 pm
1 stop7h 18m
NewarkSan Diego
EWR - SAN
EWRSAN
Newark
Tue 12/9
10:00 am-3:30 pm
1 stop8h 30m
San Diego
Fri 12/12
2:16 pm-12:13 am
1 stop6h 57m
| 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, June is the cheapest month in which you can book a flight from Newark Airport to San Diego (average of $109). 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 27% on flights from Newark Airport to San Diego by exploring options for tickets in the afternoon.
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.
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$217 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$158 | Average$338 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$213 | Average$384 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$216 | Average$464 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$239 | Average$370 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$251 | Average$431 | FlexibilityNo cancel fee | On-time69% |