Cheap flights from Islip, New York to Grand Rapids from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Grand Rapids departing on 6/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip, New York to Grand Rapids

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
2:55 pm - 11:00 pm
ISP
-
GRR
8h 05m
1 stop
Southwest Logo
5:30 am - 11:45 am
GRR
-
ISP
6h 15m
1 stop
$287Southwest
Wed, Jul 29 - Sun, Aug 2
Southwest Logo
4:05 pm - 7:55 pm
ISP
-
GRR
3h 50m
1 stop
Southwest Logo
5:45 am - 12:35 pm
GRR
-
ISP
6h 50m
1 stop
$314Southwest
Fri, Aug 21 - Mon, Aug 24
Southwest Logo
12:35 pm - 10:55 pm
ISP
-
GRR
10h 20m
2 stops
Southwest Logo
5:45 am - 12:35 pm
GRR
-
ISP
6h 50m
1 stop
$319Southwest
Fri, Aug 21 - Mon, Aug 24
Southwest Logo
12:35 pm - 10:55 pm
ISP
-
GRR
10h 20m
2 stops
Southwest Logo
6:50 am - 4:25 pm
GRR
-
ISP
9h 35m
2 stops
$324Southwest
Fri, Aug 21 - Mon, Aug 24
Southwest Logo
6:25 am - 4:00 pm
ISP
-
GRR
9h 35m
2 stops
Southwest Logo
5:30 am - 11:45 am
GRR
-
ISP
6h 15m
1 stop
$326Southwest
Wed, Jul 29 - Sun, Aug 2
Southwest Logo
2:55 pm - 10:55 pm
ISP
-
GRR
8h 00m
1 stop
Southwest Logo
5:30 am - 10:35 pm
GRR
-
ISP
17h 05m
2 stops
$386Southwest
Tue, Jun 30 - Wed, Jul 1
Southwest Logo
6:25 am - 11:50 pm
ISP
-
GRR
17h 25m
2 stops
Southwest Logo
5:30 am - 10:35 pm
GRR
-
ISP
17h 05m
2 stops
$392Southwest
Tue, Jun 30 - Wed, Jul 1
Southwest Logo
6:25 am - 11:50 pm
ISP
-
GRR
17h 25m
3 stops
Southwest Logo
5:30 am - 10:35 pm
GRR
-
ISP
17h 05m
2 stops
$400Southwest
Tue, Jun 30 - Wed, Jul 1
Multiple Airlines Logo
1:00 pm - 6:52 pm
ISP
-
GRR
5h 52m
1 stop
Multiple Airlines Logo
2:57 pm - 1:42 pm
GRR
-
ISP
22h 45m
2 stops
$408Multiple Airlines
Mon, Jul 27 - Mon, Aug 3
Multiple Airlines Logo
1:00 pm - 6:52 pm
ISP
-
GRR
5h 52m
1 stop
Multiple Airlines Logo
1:38 pm - 9:53 am
GRR
-
ISP
20h 15m
1 stop
$421Multiple Airlines
Mon, Jul 27 - Fri, Jul 31

Southwest flights from Islip, New York to Grand Rapids

Our best Southwest deals on Islip, New York to Grand Rapids flight tickets
Southwest
Jul 29
ISP2:55 pmIslip Long Island
8h 05m
1 stop
GRR11:00 pmGrand Rapids Gerald R. Ford Intl
Aug 2
GRR5:30 amGrand Rapids Gerald R. Ford Intl
6h 15m
1 stop
ISP11:45 amIslip Long Island
$287
Southwest
Aug 21
ISP4:05 pmIslip Long Island
3h 50m
1 stop
GRR7:55 pmGrand Rapids Gerald R. Ford Intl
Aug 24
GRR5:45 amGrand Rapids Gerald R. Ford Intl
6h 50m
1 stop
ISP12:35 pmIslip Long Island
$314
Southwest
Aug 21
ISP12:35 pmIslip Long Island
10h 20m
2 stops
GRR10:55 pmGrand Rapids Gerald R. Ford Intl
Aug 24
GRR5:45 amGrand Rapids Gerald R. Ford Intl
6h 50m
1 stop
ISP12:35 pmIslip Long Island
$319

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York 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, momondo users made 832,500 searches. Data last updated May 30, 2026.
Use the filters below to find and compare flights from Islip, New York to Grand Rapids that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Wed 7/29

2:55 pm-11:00 pm

1 stop8h 05m

Grand Rapids Gerald R. Ford Intl

Sun 8/2

5:30 am-11:45 am

1 stop6h 15m

$287
Quickest round-trip

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Fri 8/21

4:05 pm-7:55 pm

1 stop3h 50m

Grand Rapids Gerald R. Ford Intl

Mon 8/24

5:45 am-12:35 pm

1 stop6h 50m

$314

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Fri 8/21

12:35 pm-10:55 pm

2 stops10h 20m

Grand Rapids Gerald R. Ford Intl

Mon 8/24

5:45 am-12:35 pm

1 stop6h 50m

$319

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Fri 8/21

12:35 pm-10:55 pm

2 stops10h 20m

Grand Rapids Gerald R. Ford Intl

Mon 8/24

6:50 am-4:25 pm

2 stops9h 35m

$324

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Wed 7/29

6:25 am-4:00 pm

2 stops9h 35m

Grand Rapids Gerald R. Ford Intl

Sun 8/2

5:30 am-11:45 am

1 stop6h 15m

$326

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Tue 6/30

2:55 pm-10:55 pm

1 stop8h 00m

Grand Rapids Gerald R. Ford Intl

Wed 7/1

5:30 am-10:35 pm

2 stops17h 05m

$386

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Tue 6/30

6:25 am-11:50 pm

2 stops17h 25m

Grand Rapids Gerald R. Ford Intl

Wed 7/1

5:30 am-10:35 pm

2 stops17h 05m

$392

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Tue 6/30

6:25 am-11:50 pm

3 stops17h 25m

Grand Rapids Gerald R. Ford Intl

Wed 7/1

5:30 am-10:35 pm

2 stops17h 05m

$400

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Mon 7/27

1:00 pm-6:52 pm

1 stop5h 52m

Grand Rapids Gerald R. Ford Intl

Mon 8/3

2:57 pm-1:42 pm

2 stops22h 45m

$408

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Mon 7/27

1:00 pm-6:52 pm

1 stop5h 52m

Grand Rapids Gerald R. Ford Intl

Fri 7/31

1:38 pm-9:53 am

1 stop20h 15m

$421

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Grand Rapids from

How to get the cheapest flight ticket from Islip, New York to Grand Rapids

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Grand Rapids?

Our data shows that Saturday is the least expensive day to fly to Grand Rapids. Tickets to fly out on this day can be as low as $310. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Grand Rapids on Monday is $482.

What is the cheapest time of day to depart on your flight to Grand Rapids?

In the afternoon is the cheapest time of day to fly from Islip, New York to Grand Rapids when you can find flight prices for as low as $310. Flying to Grand Rapids in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Grand Rapids are more costly at noon, with an average ticket price of $369. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Islip, New York to Grand Rapids flights?

You could potentially save up to 35% on your flight if you consider stops on a Islip, New York to Grand Rapids flight.

When to book flights from Islip, New York to Grand Rapids

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Grand Rapids according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Grand Rapids (ISP to GRR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Grand Rapids

Fastest flight time

3h 50m

Direct flights

None
The fastest flight from Islip, New York to Grand Rapids takes 3h 50m
There are no direct flights from Islip, New York to Grand Rapids. There are no popular flight routes from Islip, New York to Grand Rapids.

Frequently asked questions about flying from Islip, New York to Grand Rapids

  • How far is Islip Long Island to Grand Rapids Gerald R. Ford Intl by plane?

    Grand Rapids Gerald R. Ford Intl is 658.6 mi away from Islip Long Island. 3h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Islip Long Island Airport to Grand Rapids Gerald R. Ford Intl Airport?

    Prices for flights from Islip Long Island Airport to Grand Rapids Gerald R. Ford Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to Grand Rapids Gerald R. Ford Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Grand Rapids Gerald R. Ford Intl Airport.

  • What documentation or ID do you need to fly to Grand Rapids Gerald R. Ford Intl Airport?

    The travel and health documents you'll need for your trip to Grand Rapids Gerald R. Ford Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Grand Rapids Gerald R. Ford Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Grand Rapids?

Book flights to Grand Rapids if you plan to visit one of these locations
Holland
Saugatuck
Wyoming
Big Rapids
Douglas
Hastings
Sparta
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Grand Rapids?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Grand Rapids from Islip.

Can I find flights from Islip to Grand Rapids with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Grand Rapids flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to Grand Rapids?

Once you have performed a search for Islip to Grand Rapids flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Islip to Grand Rapids right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Grand Rapids flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Mon 6/29
Mon 7/6

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