Cheap flights from Islip to Nassau from $263

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 to Nassau departing on 9/5. 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 to Nassau (ISP-NAS)

Cheap round-trip flights

JetBlue Logo
12:05 pm - 1:17 pmISP-NAS
25h 12m1 stop
JetBlue Logo
9:50 am - 11:20 amNAS-ISP
25h 30m1 stop
$505JetBlue
Find Deal
Mon, Jan 19 - Thu, Jan 22
JetBlue Logo
10:45 am - 2:07 pmISP-NAS
27h 22m1 stop
JetBlue Logo
10:20 am - 11:18 amNAS-ISP
24h 58m1 stop
$538JetBlue
Find Deal
Thu, Dec 4 - Wed, Dec 10
Southwest Logo
6:15 am - 12:15 pmISP-NAS
6h 00m1 stop
Southwest Logo
1:10 pm - 10:05 pmNAS-ISP
8h 55m2 stops
$564Southwest
Find Deal
Thu, Dec 4 - Wed, Dec 10
Southwest Logo
6:55 am - 12:15 pmISP-NAS
5h 20m1 stop
Southwest Logo
1:55 pm - 10:50 pmNAS-ISP
8h 55m1 stop
$871Southwest
Find Deal
Tue, Dec 23 - Sat, Dec 27
Southwest Logo
6:55 am - 12:15 pmISP-NAS
5h 20m1 stop
Southwest Logo
1:55 pm - 11:55 pmNAS-ISP
10h 00m2 stops
$875Southwest
Find Deal
Tue, Dec 23 - Sat, Dec 27
JetBlue Logo
9:21 am - 3:30 pmISP-NAS
6h 09m1 stop
JetBlue Logo
10:20 am - 6:44 pmNAS-ISP
8h 24m1 stop
$1,129JetBlue
Find Deal
Thu, Dec 25 - Tue, Dec 30
Southwest Logo
6:25 am - 1:20 pmISP-NAS
6h 55m1 stop
Southwest Logo
2:15 pm - 10:55 pmNAS-ISP
8h 40m2 stops
$1,155Southwest
Find Deal
Thu, Sep 18 - Mon, Sep 22
Southwest Logo
6:00 am - 1:20 pmISP-NAS
7h 20m2 stops
Southwest Logo
2:15 pm - 10:55 pmNAS-ISP
8h 40m2 stops
$1,245Southwest
Find Deal
Thu, Sep 18 - Mon, Sep 22
JetBlue Logo
7:40 pm - 4:56 pmISP-NAS
21h 16m1 stop
JetBlue Logo
4:35 pm - 8:36 amNAS-ISP
16h 01m1 stop
$1,476JetBlue
Find Deal
Sat, Dec 27 - Fri, Jan 2
JetBlue Logo
7:00 am - 4:56 pmISP-NAS
33h 56m2 stops
JetBlue Logo
4:35 pm - 8:36 amNAS-ISP
16h 01m1 stop
$1,718JetBlue
Find Deal
Sat, Dec 27 - Fri, Jan 2

Southwest flights from Islip to Nassau

Our best Southwest deals on Islip to Nassau flight tickets
Southwest
Dec 4
ISP6:15 amIslip Long Island
6h 00m
1 stop
NAS12:15 pmNassau Intl
Dec 10
NAS1:10 pmNassau Intl
8h 55m
2 stops
ISP10:05 pmIslip Long Island
Southwest
Dec 23
ISP6:55 amIslip Long Island
5h 20m
1 stop
NAS12:15 pmNassau Intl
Dec 27
NAS1:55 pmNassau Intl
8h 55m
1 stop
ISP10:50 pmIslip Long Island
Southwest
Dec 23
ISP6:55 amIslip Long Island
5h 20m
1 stop
NAS12:15 pmNassau Intl
Dec 27
NAS1:55 pmNassau Intl
10h 00m
2 stops
ISP11:55 pmIslip Long Island

JetBlue flights from Islip to Nassau

Our best JetBlue deals on Islip to Nassau flight tickets
JetBlue
Jan 19
ISP12:05 pmIslip Long Island
25h 12m
1 stop
NAS1:17 pmNassau Intl
Jan 22
NAS9:50 amNassau Intl
25h 30m
1 stop
ISP11:20 amIslip Long Island
JetBlue
Dec 4
ISP10:45 amIslip Long Island
27h 22m
1 stop
NAS2:07 pmNassau Intl
Dec 10
NAS10:20 amNassau Intl
24h 58m
1 stop
ISP11:18 amIslip Long Island
JetBlue
Dec 25
ISP9:21 amIslip Long Island
6h 09m
1 stop
NAS3:30 pmNassau Intl
Dec 30
NAS10:20 amNassau Intl
8h 24m
1 stop
ISP6:44 pmIslip Long Island

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Mon 1/19

12:05 pm-1:17 pm

1 stop25h 12m

Nassau Intl

Thu 1/22

9:50 am-11:20 am

1 stop25h 30m

$505

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Thu 12/4

10:45 am-2:07 pm

1 stop27h 22m

Nassau Intl

Wed 12/10

10:20 am-11:18 am

1 stop24h 58m

$538

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Thu 12/4

6:15 am-12:15 pm

1 stop6h 00m

Nassau Intl

Wed 12/10

1:10 pm-10:05 pm

2 stops8h 55m

$564

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Tue 12/23

6:55 am-12:15 pm

1 stop5h 20m

Nassau Intl

Sat 12/27

1:55 pm-10:50 pm

1 stop8h 55m

$871

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Tue 12/23

6:55 am-12:15 pm

1 stop5h 20m

Nassau Intl

Sat 12/27

1:55 pm-11:55 pm

2 stops10h 00m

$875

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Thu 12/25

9:21 am-3:30 pm

1 stop6h 09m

Nassau Intl

Tue 12/30

10:20 am-6:44 pm

1 stop8h 24m

$1,129

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Thu 9/18

6:25 am-1:20 pm

1 stop6h 55m

Nassau Intl

Mon 9/22

2:15 pm-10:55 pm

2 stops8h 40m

$1,155

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Thu 9/18

6:00 am-1:20 pm

2 stops7h 20m

Nassau Intl

Mon 9/22

2:15 pm-10:55 pm

2 stops8h 40m

$1,245

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 12/27

7:40 pm-4:56 pm

1 stop21h 16m

Nassau Intl

Fri 1/2

4:35 pm-8:36 am

1 stop16h 01m

$1,476

IslipNassau

ISP - NAS

ISPNAS

Islip Long Island

Sat 12/27

7:00 am-4:56 pm

2 stops33h 56m

Nassau Intl

Fri 1/2

4:35 pm-8:36 am

1 stop16h 01m

$1,718

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Nassau from

How to get the cheapest flight ticket from Islip 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 $445. 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 $554. 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 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 $493 per ticket.

When to book flights from Islip to Nassau

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

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

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

Direct flights

None
There are no direct flights from Islip to Nassau. There are no popular flight routes from Islip to Nassau.
  • 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 5h 20m.

  • 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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1 adult
Tue 9/2
Tue 9/9

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