$862+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — ANC
Jul 15 — Jul 221
Round-trip
1 adult, Economy
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Cheapest flights from Islip to AlaskaExplore 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 June 15, 2026.
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 June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:25 pm
ISP
- ANC
2 stops14h 20m
Southwest
Wed 7/811:55 pm
ANC
- ISP
2 stops19h 45m
Southwest
Deal found 6/11![Southwest logo]()
$1,205
Best flights from Islip to AlaskaDiscover carefully curated flight deals from Islip to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
Discover carefully curated flight deals from Islip to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 15, 2026.
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:25 pm
ISP
- ANC
2 stops14h 20m
Southwest
Wed 7/811:55 pm
ANC
- ISP
2 stops19h 45m
Southwest
Deal found 6/11![Southwest logo]()
$1,205
Last-minute flights from Islip to AlaskaDiscover last-minute flight deals from Islip to Alaska. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Alaska. Data last updated June 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:25 pm
ISP
- ANC
2 stops14h 20m
Southwest
Wed 7/811:55 pm
ANC
- ISP
2 stops19h 45m
Southwest
Deal found 6/11![Southwest logo]()
$1,205
One-way flights from Islip to AlaskaSearch for one-way flight options from Islip to Alaska. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
Search for one-way flight options from Islip to Alaska. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:11 pm
ISP
- ANC
2 stops23h 25m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$862
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:00 am
ISP
- ANC
2 stops20h 40m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$868
This KAYAK deal was found by Cheapflights users on 6/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/203:05 pm
ISP
- ANC
1 stop11h 40m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$871
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:11 pm
ISP
- ANC
2 stops16h 29m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$892
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:00 am
ISP
- ANC
2 stops23h 43m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$898
This KAYAK deal was found by Cheapflights users on 6/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:00 am
ISP
- ANC
2 stops23h 40m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$910
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:45 pm
ISP
- ANC
2 stops19h 55m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$989
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:00 am
ISP
- ANC
1 stop17h 45m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,007
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/195:29 pm
ISP
- ANC
2 stops25h 37m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,119
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,205 (Southwest) |
One-way from | $862 (KAYAK) |
Popular in | May |
Cheapest in | October |
Average price | $698 |
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 June 15, 2026.
Use the filters below to find and compare flights from Islip to Alaska that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IslipAnchorage
ISP - ANC
ISPANC
Islip Long Island
Wed 7/1
12:25 pm-10:45 pm
2 stops14h 20m
Anchorage
Wed 7/8
11:55 pm-11:40 pm
2 stops19h 45m
$1,205
Cheapest one-way
IslipAnchorage
ISP - ANC
ISPANC
Islip Long Island
Tue 7/14
2:11 pm-9:36 am
2 stops23h 25m
$862
Quickest one-way
IslipAnchorage
ISP - ANC
ISPANC
Islip Long Island
Sat 6/20
3:05 pm-10:45 pm
1 stop11h 40m
$871
IslipAnchorage
ISP - ANC
ISPANC
Islip Long Island
Wed 7/15
2:11 pm-2:40 am
2 stops16h 29m
$892
IslipAnchorage
ISP - ANC
ISPANC
Islip Long Island
Sun 6/21
7:00 am-2:40 am
2 stops23h 40m
$910
IslipAnchorage
ISP - ANC
ISPANC
Islip Long Island
Sat 7/18
9:00 am-10:45 pm
1 stop17h 45m
$1,007
Sorted by cheapest first
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.
ISP-ANC
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
ISP-USAK
ISP-ANC
No data available for this route at this time. Please check back soon.
Related info for your journey
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