Grand Rapids

$137+ Cheap flights from Islip, NY to Grand Rapids (ISP - GRR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — GRR
Jul 28 — Aug 41
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Cheap flight deals from Islip to Grand Rapids

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Grand Rapids (GRR). 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 July 23, 2025.

Round-trip from

$218
(Frontier)

One-way from

$137
(Frontier)

Popular in

December

Cheapest in

June

Average price

$293
From Islip Long Island to Grand Rapids Gerald R. Ford Intl
One-way flight from Islip Long Island to Grand Rapids Gerald R. Ford Intl
Highest demand for flights based on searches. 13% potential increase in price ($52 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Islip to Grand Rapids

Cheapest flights from Islip to Grand Rapids
Explore the most affordable flight options available from Islip to Grand Rapids. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2025.

This Frontier deal was found by Cheapflights users on 7/23. 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 8/229:58 amISP - GRR
1 stop7h 51mFrontier
Sun 8/247:11 pmGRR - ISP
1 stop12h 57mFrontier
Deal found 7/23$218
This Southwest deal was found by Cheapflights users on 7/23. 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.
Wed 8/135:30 amISP - GRR
2 stops9h 05mSouthwest
Sun 8/177:00 amGRR - ISP
2 stops10h 00mSouthwest
Deal found 7/23$507
This Mytrip deal was found by Cheapflights users on 7/23. 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.
Wed 8/132:55 pmISP - GRR
2 stops29h 19mMultiple Airlines
Sun 8/1712:25 pmGRR - ISP
3 stops21h 31mMultiple Airlines
Deal found 7/23$798

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Grand Rapids 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 July 23, 2025.
Use the filters below to find and compare flights from Islip to Grand Rapids that are best for you.

Fly from

Islip

Fly to

Grand Rapids

Route

Depart

Return

Price

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Fri 8/22

9:58 am-5:49 pm

1 stop7h 51m

Grand Rapids Gerald R. Ford Intl

Sun 8/24

7:11 pm-8:08 am

1 stop12h 57m

$218

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Wed 8/13

5:30 am-2:35 pm

2 stops9h 05m

Grand Rapids Gerald R. Ford Intl

Sun 8/17

7:00 am-5:00 pm

2 stops10h 00m

$507

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Wed 8/13

2:55 pm-8:14 pm

2 stops29h 19m

Grand Rapids Gerald R. Ford Intl

Sun 8/17

12:25 pm-9:56 am

3 stops21h 31m

$798

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Thu 11/6

11:37 am-6:33 pm

1 stop6h 56m

$137

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Tue 9/2

6:05 am-2:35 pm

1 stop8h 30m

$173

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Tue 8/5

1:55 pm-11:20 pm

3 stops33h 25m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Best time to book a flight from Islip to Grand Rapids

Have a flexible travel schedule? Discover the best time to fly to Grand Rapids 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.

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Grand Rapids (average of $316). Flying from Islip, New York to Grand Rapids in March is currently the most expensive (average of $409). 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.

Reviews of airlines servicing Grand Rapids

Get insights into the airlines that provide service to Grand Rapids. 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 Grand Rapids. Reviews last updated July 23, 2025.
Get a feel of what it's like to fly with Southwest and Frontier from Islip to Grand Rapids by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Crew

8.6

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Islip to Grand Rapids. 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 Islip to Grand Rapids that include hotel bookings?

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

  • How can I find direct flights from Islip to Grand Rapids?

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

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

    Yes. Cheapflights offers flight deals from Islip to Grand Rapids 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 Islip, New York to Grand Rapids?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Grand Rapids (average of $316). Flying from Islip, New York to Grand Rapids in March is currently the most expensive (average of $409). 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 Grand Rapids?

Book flights to Grand Rapids if you plan to visit one of these locations
Holland
Saugatuck
Wyoming

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