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$1,211+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ANC
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from Islip to Anchorage

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Anchorage (ANC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,211
(Expedia)

Popular in

March

Cheapest in

October

Average price

$549
Provider with most accurate pricing for Islip Long Island-Anchorage flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Anchorage flights.
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From Islip Long Island to Anchorage
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Highest demand for flights based on searches. 0% potential increase in price ($2 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 November 2025
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Find flight deals from Islip to Anchorage

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 November 20, 2025.

This Expedia deal was found by Cheapflights users on 11/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:40 pmISP - ANC
2 stops17h 32mMultiple Airlines
Mon 12/82:30 pmANC - ISP
2 stops21h 40mMultiple Airlines
Deal found 11/19$1,211

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Anchorage 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 November 20, 2025.
Use the filters below to find and compare flights from Islip to Anchorage that are best for you.

Fly from

Islip

Fly to

Anchorage

Route

Depart

Return

Price

IslipAnchorage

ISP - ANC

ISPANC

Islip Long Island

Thu 12/4

12:40 pm-2:12 am

2 stops17h 32m

Anchorage

Mon 12/8

2:30 pm-4:10 pm

2 stops21h 40m

$1,211

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

  • Most accurate provider: When it comes to deals on Islip, New York-Anchorage flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Islip, New York-Anchorage flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Islip, New York-Anchorage flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Anchorage flights, Cheapflights users trust Expedia the most. Expedia 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-Anchorage 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 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
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 Anchorage

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

Currently, May is the cheapest month in which you can book a flight from Islip, New York to Anchorage (average of $269). Flying from Islip, New York to Anchorage in March is currently the most expensive (average of $544). 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 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?

    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, May is the cheapest month in which you can book a flight from Islip, New York to Anchorage (average of $269). Flying from Islip, New York to Anchorage in March is currently the most expensive (average of $544). 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

Traveling to a place near Anchorage?

Book flights to Anchorage if you plan to visit one of these locations
Seward
Girdwood

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