Keflavik Intl

Cheap flights from Islip (ISP) to Keflavik Intl (KEF)

ISP — KEF
Nov 5 — Nov 121
1 adult
Tue 11/5
Tue 11/12
We work with more than 300 partners to bring you better travel deals

...and more

Find cheap flights from Islip to Keflavik Intl with Cheapflights

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.

Travel insights for flights from Islip to Keflavik Intl

Get recent, data-driven insights about flights from Islip to Keflavik Intl including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Islip, New York to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Islip, New York to Reykjavik Keflavik Intl Airport (average of $339). Flying from Islip, New York to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $649). 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.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport 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 Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, 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).

Related info for your journey

Find useful and relevant information for your journey from Islip to Keflavik Intl. 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 Reykjavik Keflavik Intl?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Reykjavik Keflavik Intl. 0 airlines have flights from Long Island to Reykjavik Keflavik Intl on a regular basis. Booking flights from Islip Long Island to Reykjavik Keflavik Intl should not be difficult; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day.

  • What does ISP to KEF mean?

    Great question - ISP to KEF just means Islip Long Island Airport to Reykjavik Keflavik Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Islip to Keflavik Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Islip to Keflavik Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Islip to Keflavik Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Islip to Keflavik Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Islip to Keflavik Intl?

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

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

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

  • Can I find deals for flights from Islip to Keflavik Intl that allow pets onboard?

    Many airlines flying from Islip to Keflavik Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Islip to Keflavik Intl?

    Yes, you can often find last-minute deals on Islip to Keflavik Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • What is the cheapest month to book a flight from Islip, New York to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Islip, New York to Reykjavik Keflavik Intl Airport (average of $339). Flying from Islip, New York to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $649). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.