In terms of precipitation, rainfall in Anchorage ranges from 0.5 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. April is typically the driest time to visit Anchorage when rainfall is around 0.5 in.

If weather is an important factor for your trip to Anchorage, 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 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

How far in advance should I book a flight from Islip, New York to Anchorage?

Travelers have found it’s best to book a flight 40 days in advance to save up to 82% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 40 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Islip, New York to Anchorage 1-2 weeks in advance for as low as $659, or $888 for flights within the next 24 hours.

What is the cheapest month to fly from Islip, New York to Anchorage?

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, October can be a great choice for travel to Anchorage. Flights to Anchorage from Islip, New York in October are about $660 on average during October, but can be found for as low as $494.

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

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

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

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

How can I find direct flights from Islip to Anchorage?

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

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

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

$1,080+ Flights from Islip, NY to Anchorage

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Cheap flight deals from Islip to Anchorage

Round-trip from	$1,080 (Mytrip)
Popular in	March
Cheapest in	October
Average price	$703

From Islip Long Island to Anchorage

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Highest demand for flights based on searches. 4% potential increase in price ($28 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Cheapest flights from Islip to Anchorage
Explore the most affordable flight options available from Islip to Anchorage. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Fri 7/1110:36 amISP - ANC

3 stops29h 46mMultiple Airlines

Tue 7/151:20 pmANC - ISP

2 stops20h 55mMultiple Airlines

Deal found 6/25

$1,080

Best flights from Islip to Anchorage
Discover carefully curated flight deals from Islip to Anchorage that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2025.

Fri 7/1110:36 amISP - ANC

3 stops29h 46mMultiple Airlines

Tue 7/151:20 pmANC - ISP

2 stops20h 55mMultiple Airlines

Deal found 6/25

$1,080

Last-minute flights from Islip to Anchorage
Discover last-minute flight deals from Islip to Anchorage. Data last updated June 26, 2025 and is based on user searches.

Fri 7/1110:36 amISP - ANC

3 stops29h 46mMultiple Airlines

Tue 7/151:20 pmANC - ISP

2 stops20h 55mMultiple Airlines

Deal found 6/25

$1,080

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to Anchorage that are best for you.

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IslipAnchorage

ISP - ANC

ISPANC

Islip Long Island

Fri 7/11

10:36 am-12:22 pm

3 stops29h 46m

Anchorage

Tue 7/15

1:20 pm-2:15 pm

2 stops20h 55m

$1,080

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Best time to book a flight from Islip to Anchorage

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

Estimated round-trip price

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Cheapflights Insights

Everything you need to know about your flight from Islip to Anchorage

What is the cheapest month to book a flight from Islip, New York to Anchorage?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Anchorage (average of $456). Flying from Islip, New York to Anchorage in July is currently the most expensive (average of $648). 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

Can I find deals for flights from Islip to Anchorage that include hotel bookings?
Yes. In addition to deals on Islip to Anchorage flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Anchorage?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Anchorage.
Can I find deals for business class flights from Islip to Anchorage?
Yes. Cheapflights offers flight deals from Islip to Anchorage 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, New York to Anchorage?
Currently, January is the cheapest month in which you can book a flight from Islip, New York to Anchorage (average of $456). Flying from Islip, New York to Anchorage in July is currently the most expensive (average of $648). 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.

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$1,080+ Cheap flights from Islip, NY to Anchorage (ISP - ANC)

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Islip to Anchorage

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Find flight deals from Islip to Anchorage

Cheapest flights from Islip to AnchorageExplore the most affordable flight options available from Islip to Anchorage. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Explore the most affordable flight options available from Islip to Anchorage. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to Anchorage that are best for you.

Best time to book a flight from Islip to Anchorage

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

Cheapflights Insights

Everything you need to know about your flight from Islip to Anchorage

What is the cheapest month to book a flight from Islip, New York to Anchorage?

Related info for your journey

Find useful and relevant information for your journey from Islip to Anchorage. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Islip to Anchorage?

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

What is the cheapest month to book a flight from Islip, New York to Anchorage?

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Cheapest flights from Islip to Anchorage
Explore the most affordable flight options available from Islip to Anchorage. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.