In terms of precipitation, rainfall in Reykjavik ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik when rainfall is around 1.6 in.

If weather is an important factor for your trip to Reykjavik, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from ISP to REK?

When flying from Islip, New York to Reykjavik, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Islip, New York-Reykjavik flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Reykjavik flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Reykjavik flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Islip, New York-Reykjavik flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Reykjavik flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Islip to Reykjavik?

For a flight from Islip to Reykjavik, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 outbound flights to Reykjavik per day. 0 airlines have flights to Reykjavik from Islip Long Island on a regular basis.

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

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

How can I find direct flights from Islip to Reykjavik?

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

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

Yes. Cheapflights offers flight deals from Islip to Reykjavik by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,024+ Cheap Flights from Islip, NY to Reykjavik

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Cheap flight deals from Islip to Reykjavik

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Cheapest flights from Islip to Reykjavik
Explore the most affordable flight options available from Islip to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Sun 11/110:57 am -

1 stop14h 43m

Sun 11/84:45 pm -

1 stop26h 37m

Deal found 9/17

$1,055

Find flight deals from Islip to Reykjavik

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

Provider with most accurate pricing for Islip Long Island-Reykjavik (REK) flight deals.

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Provider most trusted by Cheapflights users for Islip Long Island-Reykjavik (REK) flights.

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From Islip Long Island to Reykjavik (REK)

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One-way flight from Islip Long Island to Reykjavik (REK)

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Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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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

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Sorted by cheapest first

Most accurate provider: When it comes to deals on Islip, New York-Reykjavik flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Reykjavik flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Reykjavik flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Islip, New York-Reykjavik flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Reykjavik flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Islip with our price prediction graph.

ISP-REK

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 Reykjavik

ISP-REK

ISP-KEF

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

Related info for your journey

What airport do you fly from for flights from Islip to Reykjavik?
For a flight from Islip to Reykjavik, you will be flying from Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 outbound flights to Reykjavik per day. 0 airlines have flights to Reykjavik from Islip Long Island on a regular basis.
Can I find deals for flights from Islip to Reykjavik that include hotel bookings?
Yes. In addition to deals on Islip to Reykjavik flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Reykjavik?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Reykjavik.
Can I find deals for business class flights from Islip to Reykjavik?
Yes. Cheapflights offers flight deals from Islip to Reykjavik by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$1,024+ Cheap flights from Islip, NY (ISP) to Reykjavik (REK)

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.

Find cheap flights from Islip to Reykjavik with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Islip to Reykjavik

Cheapest flights from Islip to ReykjavikExplore the most affordable flight options available from Islip to Reykjavik. 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 Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Best flights from Islip to ReykjavikDiscover carefully curated flight deals from Islip to Reykjavik 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 Reykjavik that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.

One-way flights from Islip to ReykjavikSearch for one-way flight options from Islip to Reykjavik. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.

Search for one-way flight options from Islip to Reykjavik. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.

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Best time to book a flight from Islip to Reykjavik

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Related info for your journey

What airport do you fly from for flights from Islip to Reykjavik?

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

How can I find direct flights from Islip to Reykjavik?

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

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Alternative routes for Islip to Reykjavik

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Complete your trip

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Islip and Reykjavik flights

Browse other Islip and Reykjavik flight options. Last updated on September 19, 2026.

Other flights from Islip

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Cheapest flights from Islip to Reykjavik
Explore the most affordable flight options available from Islip to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.

Best flights from Islip to Reykjavik
Discover carefully curated flight deals from Islip to Reykjavik that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.

One-way flights from Islip to Reykjavik
Search for one-way flight options from Islip to Reykjavik. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.