$1,024+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — KEF
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Iceland
Cheapest
Best
One-way
Cheapest flights from Islip to IcelandExplore 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 September 19, 2026.
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 September 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/110:57 am -
1 stop14h 43m
Sun 11/84:45 pm -
1 stop26h 37m
Deal found 9/17![Multiple Airlines logo]()
$1,055
Best flights from Islip to IcelandDiscover 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 September 19, 2026.
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 September 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/110:57 am -
1 stop14h 43m
Sun 11/84:45 pm -
1 stop26h 37m
Deal found 9/17![Multiple Airlines logo]()
$1,055
One-way flights from Islip to IcelandSearch for one-way flight options from Islip to Iceland. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from Islip to Iceland. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This KAYAK deal was found by Cheapflights users on 9/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:36 pm -
2 stops36h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$1,024
This KAYAK deal was found by Cheapflights users on 9/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:40 am -
2 stops15h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$1,025
This KAYAK deal was found by Cheapflights users on 9/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:25 pm -
2 stops34h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$1,056
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 September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,055 (Kiwi.com) |
One-way from | $1,024 (KAYAK) |
Popular in | December |
Cheapest in | January |
Average price | $479 |
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 7,457,451 searches. Data last updated September 19, 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
Cheapest round-trip
IslipReykjavik
ISP Islip Long Island - KEF Reykjavik Keflavik Intl
ISPKEF
Islip Long Island
Sun 11/22
12:36 pm-6:10 am
2 stops36h 34m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,024
IslipReykjavik
ISP Islip Long Island - KEF Reykjavik Keflavik Intl
ISPKEF
Islip Long Island
Sun 11/1
10:57 am-6:40 am
1 stop14h 43m
Reykjavik Keflavik Intl
Sun 11/8
4:45 pm-2:22 pm
1 stop26h 37m
$1,055
Quickest round-trip
IslipReykjavik
ISP Islip Long Island - KEF Reykjavik Keflavik Intl
ISPKEF
Islip Long Island
Sat 11/21
2:25 pm-6:05 am
2 stops34h 40m
Reykjavik Keflavik Intl
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$1,056
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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.
ISP-KEF
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
ISP-IS0
ISP-KEF
No data available for this route at this time. Please check back soon.
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