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

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

ISP - SAN
Price
$301 - $832
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches

Popular in

December

High demand for flights, 52% potential price rise

Cheapest in

February

Best time to find cheap flights, 25% potential price drop

Round-trip from

$301

From Islip to San Diego

One-way from

$119

One-way flight from Islip to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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 35 days in advance, which can save you up to 42% on flights from Islip to San Diego compared to booking the week you need them. Waiting 35 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 $381. For sooner than that we have options available in the next 3 days from $460.

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

Our data shows that August tends to be the cheapest month to fly to San Diego from Islip. Users have commonly found prices around $326 for the month, but tickets can be as low as $138. Due to multiple factors, prepare for potentially higher prices in December.

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.

Cheap flights from Islip to San Diego in November, December 2020

The best prices found for ISP to SAN flights for November, December
24 Dec - 25 Dec
$238pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
ISP
Islip Long Island
21 Dec - 23 Jan
$265pp
ISP
Islip Long Island
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
ISP
Islip Long Island
24 Dec - 25 Dec
$268pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
ISP
Islip Long Island

Islip to San Diego 2021 flight deals

Cheap flights to San Diego from Islip found for next year
24 Dec - 25 Dec
$238pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
ISP
Islip Long Island
21 Dec - 23 Jan
$265pp
ISP
Islip Long Island
Multiple Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
Multiple Airlines
   
2 STOPS
ISP
Islip Long Island
24 Dec - 25 Dec
$268pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
SAN
San Diego
SAN
San Diego
American Airlines
   
2 STOPS
ISP
Islip Long Island

One-way flights to San Diego from Islip

The cheapest one-way flights from Islip to San Diego
1:20 am - 7:31 am
American Airlines
1 Stop
9h 11m
ISP - SAN
American Airlines
1:20 am - 7:26 am
American Airlines
1 Stop
9h 06m
ISP - SAN
American Airlines
1:20 am - 7:31 am
American Airlines
1 Stop
9h 11m
ISP - SAN
American Airlines

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.

What safety measures are being taken by airlines flying from Islip Long Island to San Diego to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. New policies for travelers booking flights from Islip Long Island to San Diego include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Islip Long Island to San Diego have flexible cancellations due to COVID-19?

American Airlines, Frontier, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Islip to San Diego for under $300 on Cheapflights?

Yes, there are multiple flights from Islip to San Diego for under $300. The cheapest flight booked recently is on American Airlines for just $238, but on average you can expect to pay $267.

Are there nonstop flights from Islip to San Diego for under $200 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: Monday, Friday.

Does it rain more in Islip or San Diego?

Islip will have greater rainfall in 0 compared to San Diego over the next 13 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.

How long is the flight from Islip to San Diego?

There are many flights that can get you from Islip to San Diego in 9h 06m. Fly via American Airlines to get the fastest option.

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

Currently priced at $238, American Airlines will fly you from Islip to San Diego and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. American Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Islip to San Diego one-way?

$119 is the cheapest one-way deal found within the past few days, from American Airlines.

Alternative routes for Islip to San Diego

Destination information for San Diego

Things to know before you go. Useful info for your trip from Islip to San Diego
Average temperature for November in San Diego
71.6 °F
Avg rainfall for November in San Diego
2.0 ″

Airports servicing Islip

Airports servicing San Diego

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