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Iceland

$941+ Cheap flights from Islip, NY (ISP) to Iceland

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — KEF
ene. 1 — ene. 81
jue. 1/1
jue. 1/8
1 adult, Economy
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Cheap flight deals from Islip to Iceland

Best flights from Islip to Iceland
Discover carefully curated flight deals from Islip to Iceland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/2112:35 pmISP - KEF
1 stop13h 05mMultiple Airlines
jue. 2/266:05 pmKEF - ISP
2 stops45h 35mMultiple Airlines
Deal found 12/1$941
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/2512:35 pmISP - KEF
1 stop13h 05mMultiple Airlines
mié. 3/46:05 pmKEF - ISP
2 stops54h 06mMultiple Airlines
Deal found 12/1$960
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/2112:35 pmISP - KEF
1 stop13h 05mMultiple Airlines
mié. 3/46:05 pmKEF - ISP
2 stops54h 06mMultiple Airlines
Deal found 12/1$960
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/2610:42 amISP - KEF
2 stops26h 38mMultiple Airlines
mié. 3/45:15 pmKEF - ISP
1 stop21h 32mMultiple Airlines
Deal found 12/1$1,006
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/2512:35 pmISP - KEF
1 stop13h 05mMultiple Airlines
vie. 2/274:45 pmKEF - ISP
1 stop23h 32mMultiple Airlines
Deal found 12/1$1,072
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/232:31 pmISP - KEF
1 stop11h 09mMultiple Airlines
vie. 2/274:45 pmKEF - ISP
1 stop23h 32mMultiple Airlines
Deal found 12/1$1,072
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/2610:42 amISP - KEF
2 stops23h 38mMultiple Airlines
dom. 3/15:15 pmKEF - ISP
1 stop22h 25mMultiple Airlines
Deal found 12/1$1,073
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/2512:35 pmISP - KEF
1 stop13h 05mMultiple Airlines
dom. 3/15:00 pmKEF - ISP
2 stops32h 05mMultiple Airlines
Deal found 12/1$1,088
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/232:31 pmISP - KEF
1 stop11h 09mMultiple Airlines
dom. 3/15:00 pmKEF - ISP
2 stops32h 05mMultiple Airlines
Deal found 12/1$1,088
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/202:31 pmISP - KEF
1 stop11h 09mMultiple Airlines
vie. 2/274:45 pmKEF - ISP
1 stop23h 32mMultiple Airlines
Deal found 12/1$1,089
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/2112:35 pmISP - KEF
1 stop13h 05mMultiple Airlines
lun. 3/25:00 pmKEF - ISP
2 stops25h 56mMultiple Airlines
Deal found 12/1$1,090
This Kiwi.com deal was found by Cheapflights users on 12/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/2512:35 pmISP - KEF
1 stop13h 05mMultiple Airlines
mar. 3/35:00 pmKEF - ISP
2 stops25h 56mMultiple Airlines
Deal found 12/1$1,090

Find flight deals from Islip to Iceland

Keep the following information in mind while searching for Islip to Iceland flight deals. Data was last updated diciembre 2, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$923
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$731
Provider with most accurate pricing for New York (NYC)-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Reykjavik (REK) flights.
Search Deals
From Islip Long Island to Iceland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Iceland 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 diciembre 2, 2025.
Use the filters below to find and compare flights from Islip to Iceland that are best for you.

Fly from

Islip

Fly to

Iceland

Route

Depart

Return

Price

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

sáb. 2/21

12:35 pm-6:40 am

1 stop13h 05m

Reykjavik Keflavik Intl

jue. 2/26

6:05 pm-10:40 am

2 stops45h 35m

$941

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

mié. 2/25

12:35 pm-6:40 am

1 stop13h 05m

Reykjavik Keflavik Intl

mié. 3/4

6:05 pm-7:11 pm

2 stops54h 06m

$960

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

sáb. 2/21

12:35 pm-6:40 am

1 stop13h 05m

Reykjavik Keflavik Intl

mié. 3/4

6:05 pm-7:11 pm

2 stops54h 06m

$960

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

jue. 2/26

10:42 am-6:20 pm

2 stops26h 38m

Reykjavik Keflavik Intl

mié. 3/4

5:15 pm-9:47 am

1 stop21h 32m

$1,006

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

mié. 2/25

12:35 pm-6:40 am

1 stop13h 05m

Reykjavik Keflavik Intl

vie. 2/27

4:45 pm-11:17 am

1 stop23h 32m

$1,072

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

lun. 2/23

2:31 pm-6:40 am

1 stop11h 09m

Reykjavik Keflavik Intl

vie. 2/27

4:45 pm-11:17 am

1 stop23h 32m

$1,072

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

jue. 2/26

10:42 am-3:20 pm

2 stops23h 38m

Reykjavik Keflavik Intl

dom. 3/1

5:15 pm-10:40 am

1 stop22h 25m

$1,073

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

mié. 2/25

12:35 pm-6:40 am

1 stop13h 05m

Reykjavik Keflavik Intl

dom. 3/1

5:00 pm-8:05 pm

2 stops32h 05m

$1,088

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

lun. 2/23

2:31 pm-6:40 am

1 stop11h 09m

Reykjavik Keflavik Intl

dom. 3/1

5:00 pm-8:05 pm

2 stops32h 05m

$1,088

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

vie. 2/20

2:31 pm-6:40 am

1 stop11h 09m

Reykjavik Keflavik Intl

vie. 2/27

4:45 pm-11:17 am

1 stop23h 32m

$1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 12 results
1
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Best time to book a flight from Islip to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland 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 Iceland

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

Currently, March is the cheapest month in which you can book a flight from Islip, New York to Iceland (average of $222). Flying from Islip, New York to Iceland in August is currently the most expensive (average of $330). 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.

Related info for your journey

Find useful and relevant information for your journey from Islip to Iceland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Iceland?

    For a flight from Islip to Iceland, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

  • Can I find deals for flights from Islip to Iceland that include hotel bookings?

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

  • How can I find direct flights from Islip to Iceland?

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

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

    Yes. Cheapflights offers flight deals from Islip to Iceland 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 Iceland?

    Currently, March is the cheapest month in which you can book a flight from Islip, New York to Iceland (average of $222). Flying from Islip, New York to Iceland in August is currently the most expensive (average of $330). 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

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