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Islip

$437+ Cheap flights from Sacramento to Islip, NY (SMF - ISP)

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — ISP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Sacramento to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Sacramento (SMF) to Islip (ISP). 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 12, 2025.

Round-trip from

$437
(Southwest)

Popular in

December

Cheapest in

February

Average price

$477
From Sacramento Intl to Islip Long Island
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Sacramento to Islip

Cheapest flights from Sacramento to Islip
Explore the most affordable flight options available from Sacramento to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/58:00 amSMF - ISP
2 stops11h 05mSouthwest
Tue 8/126:05 amISP - SMF
2 stops12h 05mSouthwest
Deal found 6/11$437
This Frontier deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/276:48 pmSMF - ISP
2 stops15h 18mFrontier
Sun 6/298:21 pmISP - SMF
2 stops18h 02mFrontier
Deal found 6/9$663
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2610:19 amSMF - ISP
3 stops26h 00mMultiple Airlines
Mon 6/3010:44 amISP - SMF
3 stops35h 05mMultiple Airlines
Deal found 6/10$806

Cheapflights Fare Finder

Customize your flight search to find flights from Sacramento to Islip 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Sacramento to Islip that are best for you.

Fly from

Sacramento

Fly to

Islip

Route

Depart

Return

Price

SacramentoIslip

SMF - ISP

SMFISP

Sacramento Intl

Tue 8/5

8:00 am-10:05 pm

2 stops11h 05m

Islip Long Island

Tue 8/12

6:05 am-3:10 pm

2 stops12h 05m

$437

SacramentoIslip

SMF - ISP

SMFISP

Sacramento Intl

Fri 6/27

6:48 pm-1:06 pm

2 stops15h 18m

Islip Long Island

Sun 6/29

8:21 pm-11:23 am

2 stops18h 02m

$663

SacramentoIslip

SMF - ISP

SMFISP

Sacramento Intl

Thu 6/26

10:19 am-3:19 pm

3 stops26h 00m

Islip Long Island

Mon 6/30

10:44 am-6:49 pm

3 stops35h 05m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Sacramento to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Sacramento 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.

Cheapflights Insights

Everything you need to know about your flight from Sacramento to Islip

What is the cheapest month to book a flight from Sacramento to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from Sacramento to Islip, New York (average of $108). Flying from Sacramento to Islip, New York in November is currently the most expensive (average of $213). 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.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated June 12, 2025.
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
5.9
Fair
3,295 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

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

  • What are the cheapest airlines flying from Sacramento to Islip, New York round-trip?

    Currently priced at $437, Southwest will fly you from Sacramento to Islip, New York and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $663.

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

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

  • How can I find direct flights from Sacramento to Islip?

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Sacramento to Islip, New York (average of $108). Flying from Sacramento to Islip, New York in November is currently the most expensive (average of $213). 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.

See more FAQs

Traveling to a place near Sacramento?

Book flights to Sacramento if you plan to visit one of these locations
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Alternative routes for Sacramento to Islip

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Top airline flying from Sacramento to Islip

Discover the top airline that operate flights from Sacramento to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$380Average$590FlexibilityNo cancel feeOn-time63%

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