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$482+ Cheap flights from Islip, NY (ISP) to Alaska

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ANC
Mar 16 — Mar 231
Mon 3/16
Mon 3/23
1 adult, Economy
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Cheap flight deals from Islip to Alaska

Cheapest flights from Islip to Alaska
Explore the most affordable flight options available from Islip to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 14, 2026.

This Expedia deal was found by Cheapflights users on 2/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:59 am
ISP
-
ANC
2 stops18h 31m
Multiple Airlines
Wed 3/41:08 am
ANC
-
ISP
2 stops13h 36m
Multiple Airlines
Deal found 2/13$1,827

Find flight deals from Islip to Alaska

Keep the following information in mind while searching for Islip to Alaska flight deals. Data was last updated February 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,827
(Expedia)

One-way from

$482
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$640
Provider with most accurate pricing for New York (NYC)-Anchorage flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Anchorage flights.
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From Islip Long Island to Alaska
Search Deals
One-way flight from Islip Long Island to Alaska
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Alaska 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 February 14, 2026.
Use the filters below to find and compare flights from Islip to Alaska that are best for you.

Fly from

Islip

Fly to

Alaska

Route

Depart

Return

Price

IslipAnchorage

ISP - ANC

ISPANC

Islip Long Island

Sun 3/1

9:59 am-12:30 am

2 stops18h 31m

Anchorage

Wed 3/4

1:08 am-6:44 pm

2 stops13h 36m

$1,827

IslipAnchorage

ISP - ANC

ISPANC

Islip Long Island

Mon 5/18

6:50 am-9:15 pm

2 stops18h 25m

$588

IslipAnchorage

ISP - ANC

ISPANC

Islip Long Island

Sat 6/13

5:35 am-10:10 pm

2 stops20h 35m

$608

IslipAnchorage

ISP - ANC

ISPANC

Islip Long Island

Sat 6/13

9:59 am-10:45 pm

1 stop16h 46m

$667

IslipAnchorage

ISP - ANC

ISPANC

Islip Long Island

Thu 6/18

12:30 pm-1:40 am

2 stops17h 10m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

Best time to book a flight from Islip to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska 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 Alaska

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

Currently, March is the cheapest month in which you can book a flight from Islip, New York to Alaska (average of $95). Flying from Islip, New York to Alaska in April is currently the most expensive (average of $537). 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

Find useful and relevant information for your journey from Islip to Alaska. 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 Alaska?

    If you book a flight to Alaska from Islip, you will be flying from Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

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

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

  • How can I find direct flights from Islip to Alaska?

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

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

    Yes. Cheapflights offers flight deals from Islip to Alaska 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 Alaska?

    Currently, March is the cheapest month in which you can book a flight from Islip, New York to Alaska (average of $95). Flying from Islip, New York to Alaska in April is currently the most expensive (average of $537). 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

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