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Iceland

$1,096+ Cheap flights from Islip (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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — KEF
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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Find flight deals from Islip to Iceland

Cheapest flights from Islip to Iceland
Explore the most affordable flight options available from Islip to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Fri 11/142:25 pmISP - KEF
1 stop11h 15mMultiple Airlines
Sun 11/164:45 pmKEF - ISP
1 stop26h 00mMultiple Airlines
Deal found 10/12$1,096
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Sun 12/2110:16 amISP - KEF
1 stop14h 59mMultiple Airlines
Sun 12/285:15 pmKEF - ISP
1 stop20h 56mMultiple Airlines
Deal found 10/12$1,224
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Tue 12/2312:40 pmISP - KEF
1 stop12h 25mMultiple Airlines
Sun 12/289:55 amKEF - ISP
1 stop11h 20mMultiple Airlines
Deal found 10/12$1,232
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Mon 12/229:09 pmISP - KEF
2 stops28h 06mMultiple Airlines
Sun 12/285:15 pmKEF - ISP
1 stop20h 56mMultiple Airlines
Deal found 10/12$1,239
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Sun 12/217:30 amISP - KEF
1 stop9h 15mMultiple Airlines
Fri 12/269:55 amKEF - ISP
1 stop11h 20mMultiple Airlines
Deal found 10/12$1,278
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Mon 12/229:09 pmISP - KEF
2 stops28h 06mMultiple Airlines
Sat 12/275:15 pmKEF - ISP
1 stop20h 56mMultiple Airlines
Deal found 10/12$1,285
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Sun 12/219:09 pmISP - KEF
2 stops28h 06mMultiple Airlines
Sat 12/275:15 pmKEF - ISP
1 stop20h 56mMultiple Airlines
Deal found 10/12$1,302
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Thu 12/2512:40 pmISP - KEF
1 stop12h 25mMultiple Airlines
Sun 12/289:55 amKEF - ISP
1 stop11h 20mMultiple Airlines
Deal found 10/12$1,303
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Tue 12/2312:40 pmISP - KEF
1 stop12h 25mMultiple Airlines
Tue 12/305:00 pmKEF - ISP
2 stops31h 21mMultiple Airlines
Deal found 10/12$1,309

Cheap flight deals from Islip to Iceland

Keep the following information in mind while searching for Islip to Iceland flight deals. Data was last updated October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,096
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$410
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. 15% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 14, 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

Fri 11/14

2:25 pm-6:40 am

1 stop11h 15m

Reykjavik Keflavik Intl

Sun 11/16

4:45 pm-1:45 pm

1 stop26h 00m

$1,096

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Tue 12/23

12:40 pm-6:05 am

1 stop12h 25m

Reykjavik Keflavik Intl

Sun 12/28

9:55 am-4:15 pm

1 stop11h 20m

$1,232

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Mon 12/22

9:09 pm-6:15 am

2 stops28h 06m

Reykjavik Keflavik Intl

Sun 12/28

5:15 pm-9:11 am

1 stop20h 56m

$1,239

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Sun 12/21

7:30 am-9:45 pm

1 stop9h 15m

Reykjavik Keflavik Intl

Fri 12/26

9:55 am-4:15 pm

1 stop11h 20m

$1,278

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Tue 12/23

7:30 am-9:45 pm

1 stop9h 15m

Reykjavik Keflavik Intl

Fri 12/26

9:55 am-4:15 pm

1 stop11h 20m

$1,278

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Tue 12/23

12:40 pm-6:05 am

1 stop12h 25m

Reykjavik Keflavik Intl

Tue 12/30

5:00 pm-7:21 pm

2 stops31h 21m

$1,309

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Sun 12/21

7:30 am-9:45 pm

1 stop9h 15m

Reykjavik Keflavik Intl

Tue 12/30

5:00 pm-7:21 pm

2 stops31h 21m

$1,310

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Mon 12/22

12:40 pm-6:05 am

1 stop12h 25m

Reykjavik Keflavik Intl

Tue 12/30

5:00 pm-7:21 pm

2 stops31h 21m

$1,349

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Tue 12/23

7:30 am-9:45 pm

1 stop9h 15m

Reykjavik Keflavik Intl

Sat 12/27

5:00 pm-8:14 pm

2 stops32h 14m

$1,351

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Fri 12/26

7:30 am-9:45 pm

1 stop9h 15m

Reykjavik Keflavik Intl

Sun 12/28

9:55 am-4:15 pm

1 stop11h 20m

$1,356

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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 to Iceland?

Currently, March is the cheapest month in which you can book a flight from Islip to Iceland (average of $222). Flying from Islip 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 to Iceland?

    Currently, March is the cheapest month in which you can book a flight from Islip to Iceland (average of $222). Flying from Islip 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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