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.

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).

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

To save up to 49% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Cedar Rapids to Islip, New York from $296 1-2 weeks out and tickets from $433 for flights departing within the next 72 hours.

What is the cheapest month to fly from Cedar Rapids to Islip, New York?

September can be a great time to fly to Islip, New York from Cedar Rapids with a flight ticket averaging about $347. Cheapflights users have found deals in the month of September for as cheap as $220. The most expensive prices can be found in the month of December.

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

When flying from Cedar Rapids to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Cedar Rapids to Islip that include hotel bookings?

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

How can I find direct flights from Cedar Rapids to Islip?

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

Can I find deals for business class flights from Cedar Rapids to Islip?

Yes. Cheapflights offers flight deals from Cedar Rapids 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.

$817+ Flights from Cedar Rapids to Islip, NY

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Cedar Rapids to Islip with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Cedar Rapids to Islip

Round-trip from	$817 (United)
Popular in	December
Cheapest in	September
Average price	$374

From Cedar Rapids to Islip Long Island

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($39 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Cedar Rapids to Islip

Cheapest flights from Cedar Rapids to Islip
Explore the most affordable flight options available from Cedar Rapids to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Fri 9/58:00 amCID - ISP

2 stops11h 01mMultiple Airlines

Tue 9/97:30 amISP - CID

2 stops15h 00mMultiple Airlines

Deal found 7/28

$817

Best flights from Cedar Rapids to Islip
Discover carefully curated flight deals from Cedar Rapids to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Fri 9/58:00 amCID - ISP

2 stops11h 01mMultiple Airlines

Tue 9/97:30 amISP - CID

2 stops15h 00mMultiple Airlines

Deal found 7/28

$817

Fly from

Fly to

Route

Depart

Return

Price

Cedar RapidsIslip

CID - ISP

CIDISP

Cedar Rapids

Fri 9/5

8:00 am-8:01 pm

2 stops11h 01m

Islip Long Island

Tue 9/9

7:30 am-9:30 pm

2 stops15h 00m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Cedar Rapids to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Cedar Rapids 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 Cedar Rapids to Islip

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

Currently, January is the cheapest month in which you can book a flight from Cedar Rapids to Islip, New York (average of $108). Flying from Cedar Rapids 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.

Related info for your journey

Can I find deals for flights from Cedar Rapids to Islip that include hotel bookings?
Yes. In addition to deals on Cedar Rapids to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Cedar Rapids to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cedar Rapids to Islip.
Can I find deals for business class flights from Cedar Rapids to Islip?
Yes. Cheapflights offers flight deals from Cedar Rapids 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 Cedar Rapids to Islip, New York?
Currently, January is the cheapest month in which you can book a flight from Cedar Rapids to Islip, New York (average of $108). Flying from Cedar Rapids 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

Riverhead

Southampton

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Cedar Rapids to Islip

Omaha to LaGuardia flights

Des Moines to LaGuardia flights

Omaha to John F Kennedy Intl flights

Des Moines to John F Kennedy Intl flights

Cedar Rapids to John F Kennedy Intl flights

Cedar Rapids to LaGuardia flights

Cedar Rapids to Newark flights

Omaha to Newark flights

Des Moines to Newark flights

Des Moines to Albany flights

Cedar Rapids to Albany flights

Moline to Newark flights

Moline to LaGuardia flights

Moline to John F Kennedy Intl flights

Des Moines to Stewart flights

Des Moines to Syracuse flights

Waterloo to Newark flights

Waterloo to LaGuardia flights

Cedar Rapids to Syracuse flights

Waterloo to John F Kennedy Intl flights

Cedar Rapids to Buffalo flights

Omaha to Syracuse flights

Omaha to White Plains flights

Moline to Albany flights

Omaha to Buffalo flights

Moline to White Plains flights

Des Moines to Buffalo flights

Moline to Syracuse flights

Omaha to Albany flights

Omaha to Rochester flights

La Crosse to White Plains flights

La Crosse to John F Kennedy Intl flights

La Crosse to Newark flights

Des Moines to Rochester flights

Moline to Buffalo flights

Cedar Rapids to White Plains flights

La Crosse to LaGuardia flights

Omaha to Ithaca flights

Des Moines to White Plains flights

Des Moines to Ithaca flights

Des Moines to Binghamton flights

Dubuque to Rochester flights

Dubuque to Buffalo flights

Moline to Rochester flights

Sioux City to Buffalo flights

Cedar Rapids to Ithaca flights

Omaha to Binghamton flights

Dubuque to LaGuardia flights

Dubuque to John F Kennedy Intl flights

Cedar Rapids to Binghamton flights

Complete your trip

Islip, New York car rentals

New York John F Kennedy Intl Airport car rentals

Newark Airport car rentals

New York LaGuardia Airport car rentals

Islip Long Island Airport car rentals

New Windsor Stewart Airport car rentals

New York car rentals

Albany car rentals

Rochester car rentals

Buffalo car rentals

Syracuse car rentals

Utica car rentals

Other flights to Islip

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$817+ Cheap flights from Cedar Rapids to Islip, NY (CID - 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cedar Rapids to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Cedar Rapids to Islip

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Cedar Rapids to Islip

Cheapest flights from Cedar Rapids to IslipExplore the most affordable flight options available from Cedar Rapids to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Cedar Rapids to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cedar Rapids to Islip that are best for you.

Best time to book a flight from Cedar Rapids to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Cedar Rapids with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Cedar Rapids to Islip

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

Related info for your journey

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

Can I find deals for flights from Cedar Rapids to Islip that include hotel bookings?

How can I find direct flights from Cedar Rapids to Islip?

Can I find deals for business class flights from Cedar Rapids to Islip?

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

Traveling to a place near Islip?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cedar Rapids to Islip

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Cedar Rapids to Islip
Explore the most affordable flight options available from Cedar Rapids to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.