$70+ Cheap flights from Atlanta to Islip, NY (ATL - ISP)
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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ISP
May 24 — May 311
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to Islip 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
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Cheapest flights from Atlanta to IslipExplore the most affordable flight options available from Atlanta to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
Explore the most affordable flight options available from Atlanta to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:53 pm
ATL
- ISP
1 stop16h 12m
Frontier
Sat 5/911:00 am
ISP
- ATL
1 stop8h 02m
Frontier
Deal found 4/20![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:53 pm
ATL
- ISP
1 stop16h 12m
Frontier
Tue 5/195:38 pm
ISP
- ATL
1 stop25h 24m
Frontier
Deal found 4/21![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:00 am
ATL
- ISP
1 stop26h 27m
Multiple Airlines
Wed 5/2711:00 am
ISP
- ATL
1 stop8h 02m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$142
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:39 pm
ATL
- ISP
1 stop21h 48m
Frontier
Mon 5/1111:00 am
ISP
- ATL
1 stop24h 44m
Frontier
Deal found 4/20![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 4/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:07 pm
ATL
- ISP
1 stop13h 58m
Frontier
Tue 5/266:02 pm
ISP
- ATL
1 stop15h 50m
Frontier
Deal found 4/21![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:07 pm
ATL
- ISP
1 stop13h 58m
Multiple Airlines
Sat 5/2311:57 am
ISP
- ATL
1 stop20h 10m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:17 pm
ATL
- ISP
2 stops15h 48m
Multiple Airlines
Sat 5/911:00 am
ISP
- ATL
1 stop8h 02m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$174
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:07 pm
ATL
- ISP
1 stop13h 58m
Frontier
Mon 5/116:59 pm
ISP
- ATL
1 stop15h 06m
Frontier
Deal found 4/21![Frontier logo]()
$179
This CheapOair deal was found by Cheapflights users on 4/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:14 pm
ATL
- ISP
1 stop24h 44m
Frontier
Tue 6/26:02 pm
ISP
- ATL
1 stop17h 42m
Frontier
Deal found 4/21![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:39 pm
ATL
- ISP
1 stop21h 48m
Frontier
Mon 5/1811:00 am
ISP
- ATL
1 stop8h 02m
Frontier
Deal found 4/20![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:35 am
ATL
- ISP
1 stop4h 42m
Multiple Airlines
Mon 8/242:28 pm
ISP
- ATL
1 stop17h 45m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$182
Best flights from Atlanta to IslipDiscover carefully curated flight deals from Atlanta to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
Discover carefully curated flight deals from Atlanta to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
This CheapOair deal was found by Cheapflights users on 4/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:12 pm
ATL
- ISP
1 stop20h 01m
Frontier
Mon 5/48:31 pm
ISP
- ATL
1 stop12h 30m
Frontier
Deal found 4/18![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:09 am
ATL
- ISP
1 stop25h 54m
Multiple Airlines
Wed 7/2911:57 am
ISP
- ATL
2 stops10h 46m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 4/21. 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.
Tue 5/193:15 pm
ATL
- ISP
2 stops6h 55m
Southwest
Tue 5/262:30 pm
ISP
- ATL
2 stops6h 55m
Southwest
Deal found 4/21![Southwest logo]()
$281
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:12 am
ATL
- ISP
1 stop9h 24m
Frontier
Sun 5/38:31 pm
ISP
- ATL
1 stop14h 26m
Frontier
Deal found 4/20![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:35 pm
ATL
- ISP
1 stop27h 23m
Frontier
Sun 5/1711:12 am
ISP
- ATL
1 stop7h 50m
Frontier
Deal found 4/20![Frontier logo]()
$205
This Southwest deal was found by Cheapflights users on 4/21. 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.
Sat 5/233:15 pm
ATL
- ISP
2 stops8h 05m
Southwest
Tue 5/266:30 am
ISP
- ATL
2 stops6h 45m
Southwest
Deal found 4/21![Southwest logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/223:46 pm
ATL
- ISP
1 stop18h 19m
Multiple Airlines
Mon 5/258:43 pm
ISP
- ATL
2 stops26h 36m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$338
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/610:03 am
ATL
- ISP
1 stop7h 55m
Frontier
Sun 6/711:00 am
ISP
- ATL
1 stop24h 44m
Frontier
Deal found 4/20![Frontier logo]()
$280
This Southwest deal was found by Cheapflights users on 4/21. 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.
Thu 5/212:10 pm
ATL
- ISP
2 stops9h 20m
Southwest
Wed 5/279:00 am
ISP
- ATL
2 stops8h 30m
Southwest
Deal found 4/21![Southwest logo]()
$346
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2010:03 am
ATL
- ISP
1 stop9h 02m
Frontier
Sun 6/2110:48 am
ISP
- ATL
1 stop6h 15m
Frontier
Deal found 4/23![Frontier logo]()
$329
This CheapOair deal was found by Cheapflights users on 4/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:07 pm
ATL
- ISP
1 stop13h 58m
Frontier
Sun 5/1011:12 am
ISP
- ATL
1 stop7h 50m
Frontier
Deal found 4/18![Frontier logo]()
$335
This Southwest deal was found by Cheapflights users on 4/21. 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.
Fri 5/2212:30 pm
ATL
- ISP
2 stops7h 55m
Southwest
Mon 5/258:35 am
ISP
- ATL
2 stops8h 10m
Southwest
Deal found 4/21![Southwest logo]()
$417
Last-minute flights from Atlanta to IslipDiscover last-minute flight deals from Atlanta to Islip. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Islip. Data last updated April 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:53 pm
ATL
- ISP
1 stop16h 12m
Frontier
Sat 5/911:00 am
ISP
- ATL
1 stop8h 02m
Frontier
Deal found 4/20![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:17 pm
ATL
- ISP
2 stops15h 48m
Multiple Airlines
Sat 5/911:00 am
ISP
- ATL
1 stop8h 02m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$174
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:39 pm
ATL
- ISP
1 stop21h 48m
Frontier
Mon 5/1111:00 am
ISP
- ATL
1 stop24h 44m
Frontier
Deal found 4/20![Frontier logo]()
$160
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:07 pm
ATL
- ISP
1 stop13h 58m
Frontier
Mon 5/116:59 pm
ISP
- ATL
1 stop15h 06m
Frontier
Deal found 4/21![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:53 pm
ATL
- ISP
1 stop16h 12m
Frontier
Tue 5/195:38 pm
ISP
- ATL
1 stop25h 24m
Frontier
Deal found 4/21![Frontier logo]()
$140
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:39 pm
ATL
- ISP
1 stop21h 48m
Frontier
Mon 5/1811:00 am
ISP
- ATL
1 stop8h 02m
Frontier
Deal found 4/20![Frontier logo]()
$181
This CheapOair deal was found by Cheapflights users on 4/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:07 pm
ATL
- ISP
1 stop13h 58m
Frontier
Tue 5/266:02 pm
ISP
- ATL
1 stop15h 50m
Frontier
Deal found 4/21![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/198:07 pm
ATL
- ISP
1 stop13h 58m
Multiple Airlines
Sat 5/2311:57 am
ISP
- ATL
1 stop20h 10m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:00 am
ATL
- ISP
1 stop26h 27m
Multiple Airlines
Wed 5/2711:00 am
ISP
- ATL
1 stop8h 02m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:24 am
ATL
- ISP
1 stop9h 49m
Multiple Airlines
Wed 5/2711:00 am
ISP
- ATL
1 stop8h 02m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$184
This CheapOair deal was found by Cheapflights users on 4/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:14 pm
ATL
- ISP
1 stop24h 44m
Frontier
Tue 6/26:02 pm
ISP
- ATL
1 stop17h 42m
Frontier
Deal found 4/21![Frontier logo]()
$180
One-way flights from Atlanta to IslipSearch for one-way flight options from Atlanta to Islip. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
Search for one-way flight options from Atlanta to Islip. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This CheapOair deal was found by Cheapflights users on 4/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:05 am
ATL
- ISP
1 stop5h 22m
Frontier
Deal found 4/19![Frontier logo]()
$70
This CheapOair deal was found by Cheapflights users on 4/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:07 pm
ATL
- ISP
1 stop14h 20m
Frontier
Deal found 4/21![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:53 pm
ATL
- ISP
1 stop16h 12m
Frontier
Deal found 4/19![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:16 pm
ATL
- ISP
1 stop15h 44m
Frontier
Deal found 4/19![Frontier logo]()
$84
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:05 am
ATL
- ISP
1 stop5h 22m
Frontier
Deal found 4/20![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 4/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:05 am
ATL
- ISP
1 stop5h 00m
Frontier
Deal found 4/18![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 4/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:03 am
ATL
- ISP
1 stop7h 55m
Frontier
Deal found 4/19![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:25 am
ATL
- ISP
1 stop11h 11m
Frontier
Deal found 4/20![Frontier logo]()
$98
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:03 am
ATL
- ISP
1 stop9h 02m
Frontier
Deal found 4/20![Frontier logo]()
$101
This Frontier deal was found by Cheapflights users on 4/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:05 am
ATL
- ISP
1 stop5h 22m
Frontier
Deal found 4/21![Frontier logo]()
$112
Find flight deals from Atlanta to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Islip (ISP). 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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $136 (Kiwi.com) |
One-way from | $70 (CheapOair) |
Popular in | April |
Cheapest in | February |
Average price | $826 |
Cheapflights Fare Finder
Customize your flight search to find flights from Atlanta to Islip 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 April 24, 2026.
Use the filters below to find and compare flights from Atlanta to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Sun 5/3
1:12 pm-9:13 am
1 stop20h 01m
Islip Long Island
Mon 5/4
8:31 pm-9:01 am
1 stop12h 30m
$180
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Fri 5/1
10:12 am-7:36 pm
1 stop9h 24m
Islip Long Island
Sun 5/3
8:31 pm-10:57 am
1 stop14h 26m
$200
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Fri 5/15
2:35 pm-5:58 pm
1 stop27h 23m
Islip Long Island
Sun 5/17
11:12 am-7:02 pm
1 stop7h 50m
$205
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Tue 7/21
8:09 am-10:03 am
1 stop25h 54m
Islip Long Island
Wed 7/29
11:57 am-10:43 pm
2 stops10h 46m
$262
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Sat 6/6
10:03 am-5:58 pm
1 stop7h 55m
Islip Long Island
Sun 6/7
11:00 am-11:44 am
1 stop24h 44m
$280
Quickest round-trip
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Tue 5/19
3:15 pm-10:10 pm
2 stops6h 55m
Islip Long Island
Tue 5/26
2:30 pm-9:25 pm
2 stops6h 55m
$281
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Sat 5/23
3:15 pm-11:20 pm
2 stops8h 05m
Islip Long Island
Tue 5/26
6:30 am-1:15 pm
2 stops6h 45m
$302
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Sat 6/20
10:03 am-7:05 pm
1 stop9h 02m
Islip Long Island
Sun 6/21
10:48 am-5:03 pm
1 stop6h 15m
$329
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Thu 5/7
8:07 pm-10:05 am
1 stop13h 58m
Islip Long Island
Sun 5/10
11:12 am-7:02 pm
1 stop7h 50m
$335
AtlantaIslip
ATL - ISP
ATLISP
Atlanta Hartsfield-Jackson
Fri 5/22
3:46 pm-10:05 am
1 stop18h 19m
Islip Long Island
Mon 5/25
8:43 pm-11:19 pm
2 stops26h 36m
$338
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Atlanta to Islip
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Islip in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Atlanta-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Atlanta-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub 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 Atlanta-Islip, New York 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 Atlanta to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Atlanta with our price prediction graph.
ATL-ISP
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 Atlanta to Islip
Prices
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What is the cheapest month to book a flight from Atlanta to Islip, New York?
Currently, February is the cheapest month in which you can book a flight from Atlanta to Islip, New York (average of $58). Flying from Atlanta to Islip, New York in April is currently the most expensive (average of $826). 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.
How much does it cost to fly round-trip from Atlanta to Islip, New York?
What’s the top layover airport for flights from Atlanta to Islip, New York?
Share of 1-stop round-trip flights from Atlanta to Islip, New York chosen by Cheapflights users in the past 12 months, using the same layover each way.
Tampa (TPA) – chosen by Cheapflights users on 50% of 1-stop itineraries from Atlanta to Islip, New York on Cheapflights.
What’s the cheapest layover airport for flights from Atlanta to Islip, New York?
Average round-trip fare for 1-stop flights from Atlanta to Islip, New York, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Tampa (TPA) is the most affordable 1-stop option, with an average round-trip price of $265.
What’s the fastest layover option from Atlanta to Islip, New York?
Shortest average travel time for 1-stop one-way flights from Atlanta to Islip, New York, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Baltimore (BWI) have the shortest average one-way travel time for 1-stop routes: 6h 00m.
Which airport typically offers the quickest layover for flights from Atlanta to Islip, New York?
Average layover duration for 1-stop one-way flights from Atlanta to Islip, New York, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Baltimore (BWI) offer the fastest connection on this route, with an average layover time of 1h 53m.
Reviews of airlines servicing Islip
Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated April 24, 2026.
Get a feel of what it's like to fly with Southwest and Frontier from Atlanta to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
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Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
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Top 2 airlines flying from Atlanta to Islip
Discover the top 2 airlines that operate flights from Atlanta to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$20 | Average$178 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$280 | Average$426 | FlexibilityNo cancel fee | On-time63% |