What airlines fly to Grand Rapids?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Grand Rapids from Islip, New York according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Grand Rapids. Keep in mind that there are 4 different airlines that fly to Grand Rapids on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Islip Long Island to Grand Rapids Gerald R. Ford Intl?

Southwest is the most popular carrier operating from Islip Long Island to Grand Rapids Gerald R. Ford Intl

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.

$193 Cheap Flights from Islip to Grand Rapids in 2026

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Find the cheapest flights from Islip, New York to Grand Rapids

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:15 pm - 10:25 pm

ISP

GRR

10h 10m

1 stop

3:50 pm - 11:50 pm

GRR

ISP

8h 00m

1 stop

$417Southwest

Thu, Mar 12 - Sun, Mar 15

12:15 pm - 11:35 pm

ISP

GRR

11h 20m

2 stops

3:50 pm - 11:50 pm

GRR

ISP

8h 00m

1 stop

$438Southwest

Thu, Mar 12 - Sun, Mar 15

6:00 am - 3:55 pm

ISP

GRR

9h 55m

1 stop

6:20 am - 1:40 pm

GRR

ISP

7h 20m

1 stop

$478Southwest

Sat, Mar 7 - Wed, Mar 11

6:00 am - 3:55 pm

ISP

GRR

9h 55m

1 stop

12:30 pm - 10:40 pm

GRR

ISP

10h 10m

2 stops

$484Southwest

Sat, Mar 7 - Wed, Mar 11

12:15 pm - 11:35 pm

ISP

GRR

11h 20m

2 stops

6:40 am - 5:05 pm

GRR

ISP

10h 25m

2 stops

$488Southwest

Thu, Mar 12 - Sun, Mar 15

12:15 pm - 11:50 pm

ISP

GRR

11h 35m

2 stops

5:00 pm - 10:50 pm

GRR

ISP

5h 50m

2 stops

$497Southwest

Sat, Mar 7 - Wed, Mar 11

Southwest flights from Islip, New York to Grand Rapids

Our best Southwest deals on Islip, New York to Grand Rapids flight tickets

Southwest

Mar 12

ISP12:15 pmIslip Long Island

10h 10m

1 stop

GRR10:25 pmGrand Rapids Gerald R. Ford Intl

Mar 15

GRR3:50 pmGrand Rapids Gerald R. Ford Intl

8h 00m

1 stop

ISP11:50 pmIslip Long Island

$417

Southwest

Mar 12

ISP12:15 pmIslip Long Island

11h 20m

2 stops

GRR11:35 pmGrand Rapids Gerald R. Ford Intl

Mar 15

GRR3:50 pmGrand Rapids Gerald R. Ford Intl

8h 00m

1 stop

ISP11:50 pmIslip Long Island

$438

Southwest

Mar 7

ISP6:00 amIslip Long Island

9h 55m

1 stop

GRR3:55 pmGrand Rapids Gerald R. Ford Intl

Mar 11

GRR6:20 amGrand Rapids Gerald R. Ford Intl

7h 20m

1 stop

ISP1:40 pmIslip Long Island

$478

Frontier flights from Islip, New York to Grand Rapids

Our best Frontier deals on Islip, New York to Grand Rapids flight tickets

Frontier

Feb 23

ISP8:23 amIslip Long Island

9h 20m

1 stop

GRR5:43 pmGrand Rapids Gerald R. Ford Intl

Feb 24

GRR7:47 pmGrand Rapids Gerald R. Ford Intl

12h 53m

1 stop

ISP8:40 amIslip Long Island

$340

Frontier

Feb 23

ISP8:23 amIslip Long Island

9h 20m

1 stop

GRR5:43 pmGrand Rapids Gerald R. Ford Intl

Feb 26

GRR8:42 pmGrand Rapids Gerald R. Ford Intl

10h 56m

1 stop

ISP7:38 amIslip Long Island

$490

momondo Fare Finder

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

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Thu 3/12

12:15 pm-10:25 pm

1 stop10h 10m

Grand Rapids Gerald R. Ford Intl

Sun 3/15

3:50 pm-11:50 pm

1 stop8h 00m

$417

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Thu 3/12

12:15 pm-11:35 pm

2 stops11h 20m

Grand Rapids Gerald R. Ford Intl

Sun 3/15

3:50 pm-11:50 pm

1 stop8h 00m

$438

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Sat 3/7

6:00 am-3:55 pm

1 stop9h 55m

Grand Rapids Gerald R. Ford Intl

Wed 3/11

6:20 am-1:40 pm

1 stop7h 20m

$478

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Sat 3/7

6:00 am-3:55 pm

1 stop9h 55m

Grand Rapids Gerald R. Ford Intl

Wed 3/11

12:30 pm-10:40 pm

2 stops10h 10m

$484

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Thu 3/12

12:15 pm-11:35 pm

2 stops11h 20m

Grand Rapids Gerald R. Ford Intl

Sun 3/15

6:40 am-5:05 pm

2 stops10h 25m

$488

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Sat 3/7

12:15 pm-11:50 pm

2 stops11h 35m

Grand Rapids Gerald R. Ford Intl

Wed 3/11

5:00 pm-10:50 pm

2 stops5h 50m

$497

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Thu 3/12

6:00 am-2:40 pm

1 stop8h 40m

$193

IslipGrand Rapids

ISP - GRR

ISPGRR

Islip Long Island

Thu 3/12

12:15 pm-11:35 pm

2 stops11h 20m

$214

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

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

Our data shows that Wednesday is the least expensive day to fly to Grand Rapids. Tickets to fly out on this day can be as low as $299. 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 $374.

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

In the morning 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 $315. Flying to Grand Rapids in the morning is an ideal time because this is during off-peak travel hours. Flights to Grand Rapids are more costly in the evening, with an average ticket price of $341. Departure times in the evening 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 61% 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	10h 10m
Direct flights	None

The fastest flight from Islip, New York to Grand Rapids takes 10h 10m

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.

Search flight deals

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. 10h 10m 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.

Holland

Saugatuck

Wyoming

Big Rapids

Douglas

Rockford

Hastings

Sparta

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.