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$1,041+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — KEF
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
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Cheap 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 June 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/312:28 pm
ISP
-
KEF
1 stop12h 12m
Multiple Airlines
Fri 8/74:45 pm
KEF
-
ISP
1 stop22h 32m
Multiple Airlines
Deal found 6/15$1,041
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:00 am
ISP
-
KEF
1 stop16h 05m
Multiple Airlines
Mon 7/207:55 pm
KEF
-
ISP
1 stop19h 01m
Multiple Airlines
Deal found 6/15$1,091

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 June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,041
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$567
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. 3% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 18, 2026.
Use the filters below to find and compare flights from Islip to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Fri 7/31

2:28 pm-6:40 am

1 stop12h 12m

Reykjavik Keflavik Intl

Fri 8/7

4:45 pm-11:17 am

1 stop22h 32m

$1,041

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Mon 7/13

10:00 am-6:05 am

1 stop16h 05m

Reykjavik Keflavik Intl

Mon 7/20

7:55 pm-10:56 am

1 stop19h 01m

$1,091
Cheapest one-way
Quickest one-way

IslipReykjavik

ISP - KEF

ISPKEF

Islip Long Island

Sat 8/8

1:50 pm-8:10 am

2 stops14h 20m

$1,323

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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.

See more FAQs

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