$97+ Cheap flights from Islip, NY (ISP) to Texas
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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DFW
Aug 10 — Aug 171
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Texas with Cheapflights
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Cheapest flights from Islip to TexasExplore the most affordable flight options available from Islip to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.
Explore the most affordable flight options available from Islip to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.
This Expedia deal was found by Cheapflights users on 7/8. 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 8/277:09 pm
ISP
- DFW
1 stop24h 51m
Frontier
Mon 8/318:28 am
DFW
- ISP
1 stop24h 25m
Frontier
Deal found 7/8![Frontier logo]()
$242
This Expedia deal was found by Cheapflights users on 7/8. 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.
Fri 8/710:57 am
ISP
- IAH
1 stop22h 48m
Frontier
Fri 8/141:16 pm
IAH
- ISP
1 stop19h 37m
Frontier
Deal found 7/8![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 7/9. 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.
Sun 8/237:09 pm
ISP
- DFW
1 stop13h 24m
Frontier
Sun 8/308:05 pm
DFW
- ISP
1 stop12h 48m
Frontier
Deal found 7/9![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 7/6. 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 8/207:09 pm
ISP
- DFW
1 stop13h 24m
Frontier
Thu 8/278:28 am
DFW
- ISP
1 stop8h 46m
Frontier
Deal found 7/6![Frontier logo]()
$244
This Expedia deal was found by Cheapflights users on 7/6. 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.
Mon 8/37:46 pm
ISP
- DFW
1 stop17h 37m
Frontier
Mon 8/105:30 am
DFW
- ISP
1 stop12h 31m
Frontier
Deal found 7/6![Frontier logo]()
$246
This Expedia deal was found by Cheapflights users on 7/6. 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.
Wed 7/297:46 pm
ISP
- DFW
1 stop17h 37m
Frontier
Mon 8/35:30 am
DFW
- ISP
1 stop12h 31m
Frontier
Deal found 7/6![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 7/6. 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.
Fri 9/47:09 pm
ISP
- DFW
1 stop13h 24m
Frontier
Mon 9/78:05 pm
DFW
- ISP
1 stop12h 48m
Frontier
Deal found 7/6![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/2710:57 am
ISP
- DFW
1 stop9h 03m
Multiple Airlines
Mon 8/3110:08 am
DFW
- ISP
2 stops26h 20m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/2710:57 am
ISP
- DFW
2 stops26h 19m
Multiple Airlines
Tue 9/18:35 am
DFW
- ISP
1 stop7h 12m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 9/144:13 pm
ISP
- IAH
2 stops23h 52m
Frontier
Thu 9/1712:21 pm
IAH
- ISP
1 stop20h 12m
Frontier
Deal found 7/10![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 9/2912:00 pm
ISP
- DFW
2 stops27h 50m
Multiple Airlines
Tue 10/69:44 pm
DFW
- ISP
1 stop10h 49m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/207:09 pm
ISP
- AUS
1 stop16h 01m
Multiple Airlines
Mon 8/245:37 pm
AUS
- ISP
2 stops22h 10m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$288
Best flights from Islip to TexasDiscover carefully curated flight deals from Islip to Texas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.
Discover carefully curated flight deals from Islip to Texas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2026.
This Expedia deal was found by Cheapflights users on 7/8. 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.
Fri 8/710:57 am
ISP
- IAH
1 stop22h 48m
Frontier
Fri 8/141:16 pm
IAH
- ISP
1 stop19h 37m
Frontier
Deal found 7/8![Frontier logo]()
$242
This Southwest deal was found by Cheapflights users on 7/10. 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 8/183:20 pm
ISP
- SAT
2 stops8h 45m
Southwest
Mon 8/245:35 am
SAT
- ISP
2 stops9h 50m
Southwest
Deal found 7/10![Southwest logo]()
$293
This JetBlue deal was found by Cheapflights users on 7/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
ISP
- IAH
1 stop10h 47m
JetBlue
Tue 9/11:00 pm
IAH
- ISP
1 stop7h 49m
JetBlue
Deal found 7/10![JetBlue logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 7/292:33 pm
ISP
- DFW
2 stops22h 50m
Multiple Airlines
Fri 7/318:20 pm
DFW
- ISP
1 stop12h 33m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$440
This Frontier deal was found by Cheapflights users on 7/7. 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 8/510:57 am
ISP
- DFW
1 stop9h 06m
Frontier
Wed 8/125:30 am
DFW
- ISP
1 stop12h 31m
Frontier
Deal found 7/7![Frontier logo]()
$291
This Southwest deal was found by Cheapflights users on 7/9. 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 8/206:10 am
ISP
- AUS
1 stop6h 55m
Southwest
Mon 8/248:50 am
AUS
- ISP
1 stop6h 35m
Southwest
Deal found 7/9![Southwest logo]()
$300
This Southwest deal was found by Cheapflights users on 7/7. 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 8/1511:55 am
ISP
- HOU
1 stop5h 15m
Southwest
Fri 8/213:55 pm
HOU
- ISP
1 stop5h 10m
Southwest
Deal found 7/7![Southwest logo]()
$312
This Frontier deal was found by Cheapflights users on 7/7. 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 8/810:43 am
ISP
- DFW
1 stop8h 09m
Frontier
Sun 8/98:14 pm
DFW
- ISP
1 stop12h 39m
Frontier
Deal found 7/7![Frontier logo]()
$352
This Southwest deal was found by Cheapflights users on 7/7. 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 8/76:10 am
ISP
- HOU
2 stops7h 30m
Southwest
Sun 8/95:15 am
HOU
- ISP
1 stop9h 40m
Southwest
Deal found 7/7![Southwest logo]()
$323
This JetBlue deal was found by Cheapflights users on 7/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 am
ISP
- DFW
1 stop10h 15m
JetBlue
Wed 8/1211:44 am
DFW
- ISP
1 stop9h 00m
JetBlue
Deal found 7/9![JetBlue logo]()
$409
This Southwest deal was found by Cheapflights users on 7/10. 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 10/235:40 pm
ISP
- SAT
1 stop6h 20m
Southwest
Wed 10/285:50 am
SAT
- ISP
2 stops8h 55m
Southwest
Deal found 7/10![Southwest logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 9/104:13 pm
ISP
- SAT
1 stop17h 49m
Frontier
Mon 9/149:57 am
SAT
- ISP
1 stop22h 36m
Frontier
Deal found 7/10![Frontier logo]()
$384
This JetBlue deal was found by Cheapflights users on 7/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
ISP
- IAH
1 stop10h 47m
JetBlue
Wed 8/261:00 pm
IAH
- ISP
1 stop7h 44m
JetBlue
Deal found 7/8![JetBlue logo]()
$440
This Southwest deal was found by Cheapflights users on 7/6. 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.
Mon 8/106:10 am
ISP
- HOU
2 stops8h 50m
Southwest
Wed 8/128:00 am
HOU
- ISP
1 stop7h 55m
Southwest
Deal found 7/6![Southwest logo]()
$346
This JetBlue deal was found by Cheapflights users on 7/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am
ISP
- DFW
1 stop10h 15m
JetBlue
Fri 10/231:25 pm
DFW
- ISP
1 stop7h 10m
JetBlue
Deal found 7/9![JetBlue logo]()
$471
This Southwest deal was found by Cheapflights users on 7/9. 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 10/305:40 pm
ISP
- HOU
1 stop7h 30m
Southwest
Sun 11/85:55 am
HOU
- ISP
1 stop4h 50m
Southwest
Deal found 7/9![Southwest logo]()
$374
This JetBlue deal was found by Cheapflights users on 7/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 am
ISP
- IAH
1 stop6h 47m
JetBlue
Thu 8/131:00 pm
IAH
- ISP
1 stop7h 49m
JetBlue
Deal found 7/9![JetBlue logo]()
$475
This Southwest deal was found by Cheapflights users on 7/10. 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 9/106:10 am
ISP
- SAT
2 stops9h 35m
Southwest
Mon 9/142:05 pm
SAT
- ISP
2 stops7h 00m
Southwest
Deal found 7/10![Southwest logo]()
$394
This JetBlue deal was found by Cheapflights users on 7/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 am
ISP
- DFW
1 stop10h 15m
JetBlue
Tue 8/1111:44 am
DFW
- ISP
1 stop9h 05m
JetBlue
Deal found 7/6![JetBlue logo]()
$493
This Southwest deal was found by Cheapflights users on 7/7. 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 8/1912:55 pm
ISP
- AUS
2 stops7h 20m
Southwest
Wed 8/269:30 am
AUS
- ISP
2 stops6h 25m
Southwest
Deal found 7/7![Southwest logo]()
$394
This JetBlue deal was found by Cheapflights users on 7/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
ISP
- IAH
1 stop10h 47m
JetBlue
Sat 8/291:00 pm
IAH
- ISP
1 stop7h 44m
JetBlue
Deal found 7/7![JetBlue logo]()
$510
This JetBlue deal was found by Cheapflights users on 7/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:00 am
ISP
- DFW
1 stop9h 29m
JetBlue
Sat 10/312:25 pm
DFW
- ISP
1 stop9h 57m
JetBlue
Deal found 7/6![JetBlue logo]()
$513
This Southwest deal was found by Cheapflights users on 7/10. 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 7/296:00 am
ISP
- HOU
1 stop8h 15m
Southwest
Tue 8/46:25 am
HOU
- ISP
1 stop7h 30m
Southwest
Deal found 7/10![Southwest logo]()
$432
This JetBlue deal was found by Cheapflights users on 7/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:58 pm
ISP
- IAH
1 stop7h 01m
JetBlue
Tue 8/111:00 pm
IAH
- ISP
1 stop7h 49m
JetBlue
Deal found 7/7![JetBlue logo]()
$518
This Southwest deal was found by Cheapflights users on 7/7. 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 8/15:35 pm
ISP
- SAT
1 stop6h 35m
Southwest
Sat 8/86:00 am
SAT
- ISP
1 stop7h 30m
Southwest
Deal found 7/7![Southwest logo]()
$435
This JetBlue deal was found by Cheapflights users on 7/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am
ISP
- IAH
1 stop6h 47m
JetBlue
Mon 10/191:00 pm
IAH
- ISP
1 stop7h 35m
JetBlue
Deal found 7/9![JetBlue logo]()
$522
This Southwest deal was found by Cheapflights users on 7/5. 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 8/1210:30 am
ISP
- AUS
1 stop8h 20m
Southwest
Fri 8/141:30 pm
AUS
- ISP
1 stop7h 00m
Southwest
Deal found 7/5![Southwest logo]()
$467
This JetBlue deal was found by Cheapflights users on 7/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
ISP
- DFW
1 stop10h 15m
JetBlue
Sat 8/1511:44 am
DFW
- ISP
1 stop9h 00m
JetBlue
Deal found 7/7![JetBlue logo]()
$543
This Southwest deal was found by Cheapflights users on 7/6. 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 8/56:05 am
ISP
- AUS
1 stop6h 25m
Southwest
Sun 8/98:55 am
AUS
- ISP
1 stop6h 00m
Southwest
Deal found 7/6![Southwest logo]()
$467
This JetBlue deal was found by Cheapflights users on 7/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:00 am
ISP
- DFW
1 stop10h 15m
JetBlue
Mon 8/311:28 am
DFW
- ISP
1 stop9h 16m
JetBlue
Deal found 7/8![JetBlue logo]()
$543
Last-minute flights from Islip to TexasDiscover last-minute flight deals from Islip to Texas. Data last updated July 11, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Texas. Data last updated July 11, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/6. 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.
Wed 7/297:46 pm
ISP
- DFW
1 stop17h 37m
Frontier
Mon 8/35:30 am
DFW
- ISP
1 stop12h 31m
Frontier
Deal found 7/6![Frontier logo]()
$250
This Expedia deal was found by Cheapflights users on 7/6. 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.
Mon 8/37:46 pm
ISP
- DFW
1 stop17h 37m
Frontier
Mon 8/105:30 am
DFW
- ISP
1 stop12h 31m
Frontier
Deal found 7/6![Frontier logo]()
$246
This Frontier deal was found by Cheapflights users on 7/7. 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 8/510:57 am
ISP
- DFW
1 stop9h 06m
Frontier
Wed 8/198:05 pm
DFW
- ISP
1 stop12h 48m
Frontier
Deal found 7/7![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 7/7. 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 8/510:57 am
ISP
- DFW
1 stop9h 06m
Frontier
Wed 8/125:30 am
DFW
- ISP
1 stop12h 31m
Frontier
Deal found 7/7![Frontier logo]()
$291
This Expedia deal was found by Cheapflights users on 7/8. 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.
Fri 8/710:57 am
ISP
- IAH
1 stop22h 48m
Frontier
Fri 8/141:16 pm
IAH
- ISP
1 stop19h 37m
Frontier
Deal found 7/8![Frontier logo]()
$242
This Southwest deal was found by Cheapflights users on 7/10. 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 8/183:20 pm
ISP
- SAT
2 stops8h 45m
Southwest
Mon 8/245:35 am
SAT
- ISP
2 stops9h 50m
Southwest
Deal found 7/10![Southwest logo]()
$293
This Frontier deal was found by Cheapflights users on 7/6. 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 8/207:09 pm
ISP
- DFW
1 stop13h 24m
Frontier
Thu 8/278:28 am
DFW
- ISP
1 stop8h 46m
Frontier
Deal found 7/6![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/207:09 pm
ISP
- AUS
1 stop16h 01m
Multiple Airlines
Mon 8/245:37 pm
AUS
- ISP
2 stops22h 10m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$288
This Frontier deal was found by Cheapflights users on 7/9. 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.
Sun 8/237:09 pm
ISP
- DFW
1 stop13h 24m
Frontier
Sun 8/308:05 pm
DFW
- ISP
1 stop12h 48m
Frontier
Deal found 7/9![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 7/10. 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 8/277:09 pm
ISP
- DFW
1 stop13h 24m
Frontier
Mon 8/318:05 pm
DFW
- ISP
1 stop12h 48m
Frontier
Deal found 7/10![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/2710:57 am
ISP
- DFW
1 stop9h 03m
Multiple Airlines
Mon 8/3110:08 am
DFW
- ISP
2 stops26h 20m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/2710:57 am
ISP
- DFW
2 stops26h 19m
Multiple Airlines
Tue 9/18:35 am
DFW
- ISP
1 stop7h 12m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$270
One-way flights from Islip to TexasSearch for one-way flight options from Islip to Texas. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
Search for one-way flight options from Islip to Texas. Find affordable one-way fares based on user searches. Data last updated July 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 9/104:13 pm
ISP
- IAH
1 stop29h 47m
Frontier
Deal found 7/9![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 7/9. 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.
Sun 8/237:09 pm
ISP
- DFW
1 stop13h 24m
Frontier
Deal found 7/9![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/1111:52 am
ISP
- IAH
1 stop28h 52m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$135
This Frontier deal was found by Cheapflights users on 7/9. 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.
Mon 8/3110:57 am
ISP
- DFW
1 stop9h 03m
Frontier
Deal found 7/9![Frontier logo]()
$136
This Southwest deal was found by Cheapflights users on 7/10. 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 8/1412:35 pm
ISP
- HOU
1 stop6h 10m
Southwest
Deal found 7/10![Southwest logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 9/107:45 pm
ISP
- IAH
2 stops27h 21m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$143
This Southwest deal was found by Cheapflights users on 7/9. 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 8/116:05 am
ISP
- AUS
1 stop6h 25m
Southwest
Deal found 7/9![Southwest logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 10/164:13 pm
ISP
- AUS
1 stop18h 59m
Frontier
Deal found 7/10![Frontier logo]()
$155
This Frontier deal was found by Cheapflights users on 7/8. 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.
Fri 7/2410:57 am
ISP
- DFW
1 stop9h 18m
Frontier
Deal found 7/8![Frontier logo]()
$158
This Trip.com deal was found by Cheapflights users on 7/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:43 am
ISP
- IAH
1 stop23h 02m
Frontier
Deal found 7/10![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 7/6. 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 7/2910:57 am
ISP
- DFW
1 stop9h 06m
Frontier
Deal found 7/6![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 7/7. 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 7/2210:57 am
ISP
- IAH
1 stop8h 28m
Frontier
Deal found 7/7![Frontier logo]()
$169
Find flight deals from Islip to Texas
Keep the following information in mind while searching for Islip to Texas flight deals. Data was last updated July 11, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $242 (Frontier) |
One-way from | $97 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $346 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Texas 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 July 11, 2026.
Use the filters below to find and compare flights from Islip to Texas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipHouston
ISP - IAH
ISPIAH
Islip Long Island
Fri 8/7
10:57 am-8:45 am
1 stop22h 48m
Houston George Bush Intcntl
Fri 8/14
1:16 pm-9:53 am
1 stop19h 37m
$242
IslipDallas
ISP - DFW
ISPDFW
Islip Long Island
Wed 8/5
10:57 am-7:03 pm
1 stop9h 06m
Dallas/Fort Worth
Wed 8/12
5:30 am-7:01 pm
1 stop12h 31m
$291
IslipSan Antonio
ISP - SAT
ISPSAT
Islip Long Island
Tue 8/18
3:20 pm-11:05 pm
2 stops8h 45m
San Antonio
Mon 8/24
5:35 am-4:25 pm
2 stops9h 50m
$293
IslipAustin
ISP - AUS
ISPAUS
Islip Long Island
Thu 8/20
6:10 am-12:05 pm
1 stop6h 55m
Austin Bergstrom
Mon 8/24
8:50 am-4:25 pm
1 stop6h 35m
$300
Quickest round-trip
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Sat 8/15
11:55 am-4:10 pm
1 stop5h 15m
Houston Hobby
Fri 8/21
3:55 pm-10:05 pm
1 stop5h 10m
$312
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Fri 8/7
6:10 am-12:40 pm
2 stops7h 30m
Houston Hobby
Sun 8/9
5:15 am-3:55 pm
1 stop9h 40m
$323
IslipSan Antonio
ISP - SAT
ISPSAT
Islip Long Island
Fri 10/23
5:40 pm-11:00 pm
1 stop6h 20m
San Antonio
Wed 10/28
5:50 am-3:45 pm
2 stops8h 55m
$329
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Mon 8/10
6:10 am-2:00 pm
2 stops8h 50m
Houston Hobby
Wed 8/12
8:00 am-4:55 pm
1 stop7h 55m
$346
IslipDallas
ISP - DFW
ISPDFW
Islip Long Island
Sat 8/8
10:43 am-5:52 pm
1 stop8h 09m
Dallas/Fort Worth
Sun 8/9
8:14 pm-9:53 am
1 stop12h 39m
$352
IslipHouston
ISP - HOU
ISPHOU
Islip Long Island
Fri 10/30
5:40 pm-12:10 am
1 stop7h 30m
Houston Hobby
Sun 11/8
5:55 am-11:45 am
1 stop4h 50m
$374
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Islip to Texas
Have a flexible travel schedule? Discover the best time to fly to Texas from Islip with our price prediction graph.
ISP-IAH
ISP-DFW
ISP-HOU
ISP-AUS
ISP-SAT
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 Texas
ISP-USTX
ISP-IAH
ISP-DFW
ISP-HOU
ISP-AUS
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Texas
Get insights into the airlines that provide service to Texas. 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 Texas. Reviews last updated July 11, 2026.
Read through reviews of airlines operating flights from Islip to Texas, such as Southwest and Frontier. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Comfort
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Islip to Texas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Islip to Texas
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Complete your trip
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Islip and Texas flights
Browse other Islip and Texas flight options. Last updated on July 11, 2026.
Popular flight searches
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Islip to Texas flights
Consider these flights traveling from Islip to Texas.
Top 2 airlines flying from Islip to Texas
Discover the top 2 airlines that operate flights from Islip to Texas. 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 July 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$115 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$253 | Average$429 | FlexibilityNo cancel fee | On-time63% |