Menu

Cheap flights from Islip to San Diego (ISP - SAN)

Know your dates, get live prices in seconds:

From
To
Depart
–
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
Add another flight clear all

We work with more than 300 partners to bring you better travel deals

Home North America USA California San Diego Cheap flights from Islip to San Diego

How to find the cheapest flight from
Islip (ISP) to San Diego (SAN)

What is the cheapest day to fly round-trip from Islip to San Diego?

Thursday flights are found to be more expensive to fly from Islip to San Diego. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Diego.

How far in advance should I book a flight from Islip to San Diego?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 33 days in advance, which can save you up to 19% on flights from Islip to San Diego compared to booking the week you need them. Waiting 33 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $86. For sooner than that we have options available in the next 3 days from $107.

What is the cheapest month to fly from Islip to San Diego?

Our data shows that May tends to be the cheapest month to fly to San Diego from Islip. Users have commonly found prices around $98 for the month, but tickets can be as low as $58. Due to multiple factors, prepare for potentially higher prices in March.

When is the cheapest time to fly from Islip to San Diego (ISP - SAN)?

When flying from Islip to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 48% versus a flight in the afternoon.

Islip to San Diego 2020 flight deals

Cheap flights to San Diego from Islip found for this year
18 Nov - 22 Nov
$370pp
ISP
Islip Long Island
Multiple Airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
ISP
Islip Long Island
21 Nov - 29 Nov
$597pp
ISP
Islip Long Island
Multiple Airlines
     
3 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
     
3 STOPS
ISP
Islip Long Island

One-way flights to San Diego from Islip

The cheapest one-way flights from Islip to San Diego
4:00 am - 5:17 am
Multiple Airlines
2 Stops
28h 17m
ISP - SAN
Multiple Airlines
$182
Kiwi.com

Related info for your journey

Useful info, stats and facts about Islip to San Diego flights.

Flight FAQs

From Islip to San Diego

Are flight prices decreasing from Islip to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Islip and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Islip to San Diego for under $400 on Cheapflights?

Yes, there are multiple flights from Islip to San Diego for under $400. The cheapest flight booked recently is on Multiple Airlines for just $370, but on average you can expect to pay $483.

Are there nonstop flights from Islip to San Diego for under $400 on Cheapflights?

There are no nonstop flights from Islip to San Diego, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

What days are nonstop flights available from Islip to San Diego?

Days when nonstop flights are available for this flight are: Sunday.

Does it rain more in Islip or San Diego?

Islip will have greater rainfall in 0 compared to San Diego over the next 12 days.

Is Islip weather warmer or cooler than San Diego?

Expect the weather to be around 84 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Diego is generally colder than in Islip.

Related searches

Flights to San Diego from Islip
Flights to Islip Flights to San Diego Flights from Islip Flights from San Diego

Rent a Car

Car Rentals in San Diego Car Rentals in California Car Rentals at San Diego International

Alternative routes for Islip to San Diego

Buffalo to Burbank from $288 pp
Elmira to Fresno from $491 pp

Destination information for San Diego

Things to know before you go. Useful info for your trip from Islip to San Diego
Average temperature for September in San Diego
80.6 °F
Avg rainfall for September in San Diego
0.1 ″

Airports servicing Islip

Islip (ISP)

Airports servicing San Diego

San Diego (SAN)

Popular flight searches

Check out other popular destinations found by fellow travelers
Home North America USA California San Diego Cheap flights from Islip to San Diego