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Cheap flights from Islip to San Diego (ISP - SAN) from $594

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ISP — SAN
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
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Cheap flight deals from Islip to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2024.

Round-trip from

$288
From Islip Long Island to San Diego
Search Deals

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

Travelers have found it’s best to book a flight 35 days in advance to save up to 76% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 35 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Islip, New York to San Diego 1-2 weeks in advance for as low as $396, or $600 for flights within the next 24 hours.

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

Our data shows that September tends to be the cheapest month to fly to San Diego from Islip, New York. Users have commonly found prices around $365 for the month, but tickets can be as low as $114. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from ISP to SAN?

A simple way to save on the total cost of your ticket is to fly from Islip, New York to San Diego in the morning. If you’re flexible enough to do this you can expect to save up to 48% on your trip compared to booking a flight at noon.

Cheap Islip to San Diego flights in June & July 2024

Find cheap flight options from Islip to San Diego specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Prices were last updated on June 10, 2024.
Sun 7/142:05 pmISP - SAN
3 stops22h 10mMultiple Airlines
Wed 7/178:34 amSAN - ISP
3 stops24h 51mMultiple Airlines
Deal found 6/9$594
Sun 7/142:05 pmISP - SAN
3 stops22h 10mMultiple Airlines
Wed 7/1712:18 pmSAN - ISP
2 stops22h 08mMultiple Airlines
Deal found 6/9$660

Islip to San Diego 2024 flight deals

Discover exclusive flight deals for travel between Islip and San Diego in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.
Sun 7/142:05 pmISP - SAN
3 stops22h 10mMultiple Airlines
Wed 7/178:34 amSAN - ISP
3 stops24h 51mMultiple Airlines
Deal found 6/9$594
Sun 7/142:05 pmISP - SAN
3 stops22h 10mMultiple Airlines
Wed 7/1712:18 pmSAN - ISP
2 stops22h 08mMultiple Airlines
Deal found 6/9$660

Find flights from Islip to San Diego within your budget

Customize your flight search to find flights from Islip to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,080,152 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$594 - $660

Route

Depart

Return

Price

Islip Long IslandSan Diego

ISP - SAN

ISPSAN

Islip Long Island

Sun 7/14

3 stops22h 10m

San Diego

Wed 7/17

3 stops24h 51m

$594

Islip Long IslandSan Diego

ISP - SAN

ISPSAN

Islip Long Island

Sun 7/14

3 stops22h 10m

San Diego

Wed 7/17

2 stops22h 08m

$660

Flights are sorted by cheapest first

Deals found on 6/9

No data available for this route at this time. Please check back soon.

Best time to book a flight from Islip to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average temperature and rainfall totals by month.

SAN

Temperature

57.2 - 71.6 °F

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Related info for your journey

Find useful and relevant information for your journey from Islip to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Islip, New York to San Diego for under $600 on Cheapflights?

    Yes, there are multiple flights from Islip, New York to San Diego for under $600. The cheapest flight booked recently is on Multiple Airlines for just $594, but on average you can expect to pay $627.

  • What does ISP to SAN mean?

    ISP stands for Islip Long Island Airport, while SAN stands for San Diego Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Islip to San Diego that include extra baggage allowance?

    The amount of baggage you can bring on your Islip to San Diego flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Islip to San Diego with specific airlines?

    Yes, Cheapflights allows you to browse and filter Islip to San Diego flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Islip to San Diego that include hotel bookings?

    Yes. In addition to deals on Islip to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to San Diego.

  • Can I find deals for business class flights from Islip to San Diego?

    Yes. Cheapflights offers flight deals from Islip to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Islip to San Diego that allow pets onboard?

    Many airlines flying from Islip to San Diego offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Islip to San Diego?

    Yes, you can often find last-minute deals on Islip to San Diego flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Islip, New York to San Diego flight deals updated?

    The Islip, New York to San Diego flight deals you see on this page were last updated on 6/9.

  • What is the cheapest month to book a flight from Islip, New York to San Diego?

    Currently, October is the cheapest month in which you can book a flight from Islip, New York to San Diego (average of $288). Flying from Islip, New York to San Diego in July is currently the most expensive (average of $346). 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.

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