
Most accurate provider | eDreams 3 stars  | 
|---|---|
Most trusted provider | eDreams 3 stars  | 
Round-trip from | $1,070 (FlightHub)  | 
Popular in | December | 
Cheapest in | September | 
Average price | $401 | 
Fly from
Fly to
Route
Depart
Return
Price
IslipSan Diego
ISP - SAN
ISPSAN
Islip Long Island
lun. 12/1
1:35 pm-8:45 pm
1 stop10h 10m
San Diego
jue. 12/4
12:00 pm-10:05 pm
1 stop7h 05m
IslipSan Diego
ISP - SAN
ISPSAN
Islip Long Island
lun. 11/10
2:25 pm-12:36 pm
1 stop25h 11m
San Diego
lun. 11/17
6:25 am-10:37 am
2 stops49h 12m
IslipSan Diego
ISP - SAN
ISPSAN
Islip Long Island
lun. 11/10
5:30 pm-10:50 pm
1 stop8h 20m
San Diego
lun. 11/17
12:00 pm-10:05 pm
1 stop7h 05m
IslipSan Diego
ISP - SAN
ISPSAN
Islip Long Island
mar. 11/25
7:36 pm-12:27 pm
1 stop19h 51m
San Diego
sáb. 11/29
1:12 pm-6:56 pm
1 stop26h 44m
IslipSan Diego
ISP - SAN
ISPSAN
Islip Long Island
mar. 11/18
7:30 am-8:03 pm
1 stop15h 33m
San Diego
sáb. 11/22
6:44 pm-11:04 am
2 stops13h 20m
| 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 | 
Currently, March is the cheapest month in which you can book a flight from Islip, New York to San Diego (average of $97). Flying from Islip, New York to San Diego in December is currently the most expensive (average of $202). 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.
A simple way to save on the total cost of your ticket is to fly from Islip, New York to San Diego in the evening. If you’re flexible enough to do this you can expect to save up to 58% on your trip compared to booking a flight at noon.
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Walter,Aug 2025
OAK - SAN
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Walter,Aug 2025
OAK - SAN
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$350 | Average$521 | FlexibilityNo cancel fee | On-time63% |