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Cheap flights from Islip, New York to Nassau from $518

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Nassau departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Islip, New York to Nassau

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 pm - 4:25 pmISP-NAS
19h 45m1 stop
Multiple Airlines Logo
12:00 pm - 7:03 pmNAS-ISP
7h 03m1 stop
$518Multiple Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
11:55 am - 4:25 pmISP-NAS
28h 30m2 stops
Multiple Airlines Logo
12:00 pm - 7:03 pmNAS-ISP
7h 03m1 stop
$528Multiple Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
8:40 pm - 4:25 pmISP-NAS
19h 45m1 stop
Multiple Airlines Logo
12:00 pm - 7:03 pmNAS-ISP
7h 03m1 stop
$530Multiple Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
8:40 pm - 2:45 pmISP-NAS
18h 05m2 stops
Multiple Airlines Logo
12:00 pm - 7:03 pmNAS-ISP
7h 03m1 stop
$545Multiple Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
6:00 am - 7:15 pmISP-NAS
37h 15m2 stops
Multiple Airlines Logo
12:00 pm - 7:40 pmNAS-ISP
7h 40m1 stop
$930Multiple Airlines
Find Deal
Sat, Dec 27 - Fri, Jan 2
JetBlue Logo
7:50 pm - 9:20 amISP-NAS
13h 30m1 stop
JetBlue Logo
2:47 pm - 10:01 amNAS-ISP
19h 14m1 stop
$1,156JetBlue
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Sat, Dec 27 - Fri, Jan 2
Southwest Logo
5:30 am - 1:00 pmISP-NAS
7h 30m2 stops
Southwest Logo
1:10 pm - 11:55 pmNAS-ISP
10h 45m2 stops
$1,854Southwest
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Sat, Dec 27 - Fri, Jan 2
Multiple Airlines Logo
9:59 am - 12:25 pmISP-NAS
26h 26m2 stops
Multiple Airlines Logo
1:20 pm - 7:45 pmNAS-ISP
30h 25m3 stops
$1,861Multiple Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Nassau 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 November 28, 2025.
Use the filters below to find and compare flights from Islip, New York to Nassau that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 1/11

8:40 pm-4:25 pm

1 stop19h 45m

Nassau Intl

Sun 1/18

12:00 pm-7:03 pm

1 stop7h 03m

$518

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 1/11

11:55 am-4:25 pm

2 stops28h 30m

Nassau Intl

Sun 1/18

12:00 pm-7:03 pm

1 stop7h 03m

$528

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 1/11

8:40 pm-4:25 pm

1 stop19h 45m

Nassau Intl

Sun 1/18

12:00 pm-7:03 pm

1 stop7h 03m

$530

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 1/11

8:40 pm-2:45 pm

2 stops18h 05m

Nassau Intl

Sun 1/18

12:00 pm-7:03 pm

1 stop7h 03m

$545

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 12/27

6:00 am-7:15 pm

2 stops37h 15m

Nassau Intl

Fri 1/2

12:00 pm-7:40 pm

1 stop7h 40m

$930

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 12/27

7:50 pm-9:20 am

1 stop13h 30m

Nassau Intl

Fri 1/2

2:47 pm-10:01 am

1 stop19h 14m

$1,156

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 12/27

5:30 am-1:00 pm

2 stops7h 30m

Nassau Intl

Fri 1/2

1:10 pm-11:55 pm

2 stops10h 45m

$1,854

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sun 1/11

9:59 am-12:25 pm

2 stops26h 26m

Nassau Intl

Sun 1/18

1:20 pm-7:45 pm

3 stops30h 25m

$1,861

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Nassau from

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

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 Nassau?

The cheapest day to depart on your flight to Nassau is on a Tuesday when prices can be found for as low as $460. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $560. These prices are subject to change though, so be sure to set up a Price Alert for flights to Nassau.

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

In the afternoon is the cheapest time of day to fly from Islip, New York to Nassau when you can find flight prices for as low as $213. Flying to Nassau in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Nassau, so prices are often more expensive at around $504 per ticket.

When to book flights from Islip, New York to Nassau

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

Cheap Islip, New York to Nassau (ISP to NAS) flight deals and tips

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

Fastest flight time

19h 45m

Direct flights

None
The fastest flight from Islip, New York to Nassau takes 19h 45m
There are no direct flights from Islip, New York to Nassau. There are no popular flight routes from Islip, New York to Nassau.
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  • How far is Islip Long Island to Nassau Intl by plane?

    A flight from Islip Long Island to Nassau Intl will travel around 1108.8 mi. In terms of flight time, this usually takes a little over 7h 30m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Nassau Intl Airport?

    Prices for flights from Islip Long Island Airport to Nassau Intl Airport were last updated today.

  • How old do you have to be to fly from Islip Long Island Airport to Nassau Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Nassau Intl Airport.

  • What documentation or ID do you need to fly to Nassau Intl Airport?

    The travel and health documents you'll need for your trip to Nassau 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 Nassau Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Nassau. Millions of users trust and use momondo every year so you are in good hands.

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

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

How can momondo help me find flights from Islip to Nassau?

Once all potential Islip to Nassau flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Islip to Nassau now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Nassau and let you know when they change.

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