$126+ Cheap flights from Islip, NY (ISP) to Oklahoma
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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — OKC
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Cheapest flights from Islip to OklahomaExplore the most affordable flight options available from Islip to Oklahoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Islip to Oklahoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:55 pm -
1 stop26h 54m
Fri 10/239:54 pm -
1 stop18h 36m
Deal found 9/6![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:02 pm -
2 stops22h 11m
Fri 10/239:21 am -
1 stop7h 39m
Deal found 9/6![Multiple Airlines logo]()
$278
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:43 pm -
1 stop15h 24m
Wed 9/303:20 pm -
1 stop25h 43m
Deal found 9/8![Frontier logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:43 pm -
1 stop15h 24m
Tue 9/297:48 pm -
2 stops20h 10m
Deal found 9/7![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:43 pm -
1 stop15h 24m
Tue 9/297:48 pm -
2 stops20h 10m
Deal found 9/7![Frontier logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/65:43 pm -
1 stop15h 24m
Tue 10/138:05 am -
2 stops26h 15m
Deal found 9/8![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:33 pm -
1 stop14h 44m
Mon 11/161:23 pm -
2 stops22h 35m
Deal found 9/6![Multiple Airlines logo]()
$329
This Trip.com deal was found by Cheapflights users on 9/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:43 pm -
1 stop15h 24m
Sat 10/109:54 pm -
1 stop18h 36m
Deal found 9/5![Frontier logo]()
$330
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:25 pm -
1 stop18h 50m
Sun 10/259:21 am -
1 stop7h 09m
Deal found 9/7![Frontier logo]()
$337
This CheapOair deal was found by Cheapflights users on 9/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:43 pm -
1 stop15h 24m
Mon 9/289:54 pm -
1 stop18h 04m
Deal found 9/5![Frontier logo]()
$341
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:10 pm -
2 stops9h 45m
Sun 11/16:05 am -
2 stops8h 30m
Deal found 9/8![Southwest logo]()
$517
This Southwest deal was found by Cheapflights users on 9/6. 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 10/74:20 pm -
2 stops7h 45m
Tue 10/1310:35 am -
2 stops8h 25m
Deal found 9/6![Southwest logo]()
$547
Best flights from Islip to OklahomaDiscover carefully curated flight deals from Islip to Oklahoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Islip to Oklahoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:43 pm -
1 stop15h 24m
Tue 9/299:21 am -
1 stop6h 37m
Deal found 9/7![Frontier logo]()
$315
This Southwest deal was found by Cheapflights users on 9/6. 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 10/74:20 pm -
2 stops7h 45m
Tue 10/1310:35 am -
2 stops8h 25m
Deal found 9/6![Southwest logo]()
$547
This JetBlue deal was found by Cheapflights users on 9/6. 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.
Tue 10/276:00 am -
1 stop7h 39m
Thu 10/291:33 pm -
1 stop7h 04m
Deal found 9/6![JetBlue logo]()
$563
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/126:33 pm -
1 stop14h 44m
Sun 11/158:27 pm -
1 stop20h 29m
Deal found 9/8![Frontier logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:43 pm -
1 stop15h 24m
Mon 9/287:48 pm -
2 stops20h 10m
Deal found 9/5![Frontier logo]()
$382
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:05 pm -
2 stops7h 00m
Wed 9/305:45 am -
2 stops10h 15m
Deal found 9/8![Southwest logo]()
$573
This JetBlue deal was found by Cheapflights users on 9/6. 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.
Wed 10/216:00 am -
1 stop7h 34m
Wed 10/281:33 pm -
1 stop7h 04m
Deal found 9/6![JetBlue logo]()
$575
This Southwest deal was found by Cheapflights users on 9/4. 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 9/1911:55 am -
2 stops10h 15m
Wed 9/237:15 am -
2 stops8h 45m
Deal found 9/4![Southwest logo]()
$587
This JetBlue deal was found by Cheapflights users on 9/6. 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.
Mon 10/266:00 am -
1 stop7h 39m
Wed 10/281:33 pm -
1 stop7h 04m
Deal found 9/6![JetBlue logo]()
$595
This United deal was found by Cheapflights users on 9/8. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:05 am -
2 stops26h 49m
Wed 9/306:00 am -
3 stops34h 41m
Deal found 9/8![Multiple Airlines logo]()
$1,331
This JetBlue deal was found by Cheapflights users on 9/7. 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.
Sun 10/256:00 am -
1 stop7h 39m
Thu 10/291:33 pm -
1 stop7h 04m
Deal found 9/7![JetBlue logo]()
$633
This Southwest deal was found by Cheapflights users on 9/6. 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.
Thu 9/244:05 pm -
2 stops7h 50m
Mon 9/286:00 am -
2 stops9h 25m
Deal found 9/6![Southwest logo]()
$659
This KAYAK deal was found by Cheapflights users on 9/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop18h 08m
Fri 10/237:00 am -
1 stop13h 37m
Deal found 9/8![JetBlue logo]()
$652
This Southwest deal was found by Cheapflights users on 9/7. 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.
Tue 11/245:35 am -
1 stop12h 50m
Tue 12/85:40 am -
1 stop8h 50m
Deal found 9/7![Southwest logo]()
$661
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:05 pm -
2 stops8h 05m
Mon 9/285:15 am -
2 stops10h 10m
Deal found 9/8![Southwest logo]()
$685
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:20 pm -
2 stops7h 40m
Sun 9/2710:35 am -
1 stop11h 45m
Deal found 9/8![Southwest logo]()
$808
Last-minute flights from Islip to OklahomaDiscover last-minute flight deals from Islip to Oklahoma. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Oklahoma. Data last updated September 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:43 pm -
1 stop15h 24m
Tue 9/297:48 pm -
2 stops20h 10m
Deal found 9/7![Frontier logo]()
$314
This CheapOair deal was found by Cheapflights users on 9/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:43 pm -
1 stop15h 24m
Mon 9/289:54 pm -
1 stop18h 04m
Deal found 9/5![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:43 pm -
1 stop15h 24m
Tue 9/297:48 pm -
2 stops20h 10m
Deal found 9/7![Frontier logo]()
$312
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:43 pm -
1 stop15h 24m
Wed 9/303:20 pm -
1 stop25h 43m
Deal found 9/8![Frontier logo]()
$305
This Trip.com deal was found by Cheapflights users on 9/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:43 pm -
1 stop15h 24m
Sat 10/109:54 pm -
1 stop18h 36m
Deal found 9/5![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/65:43 pm -
1 stop15h 24m
Tue 10/138:05 am -
2 stops26h 15m
Deal found 9/8![Multiple Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 9/6. 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 10/74:20 pm -
2 stops7h 45m
Tue 10/1310:35 am -
2 stops8h 25m
Deal found 9/6![Southwest logo]()
$547
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Fri 10/166:55 pm -
1 stop14h 21m
Sun 10/189:54 pm -
1 stop19h 06m
Deal found 9/4![Frontier logo]()
$343
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:55 pm -
1 stop26h 54m
Fri 10/239:54 pm -
1 stop18h 36m
Deal found 9/6![Frontier logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:02 pm -
2 stops22h 11m
Fri 10/239:21 am -
1 stop7h 39m
Deal found 9/6![Multiple Airlines logo]()
$278
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:25 pm -
1 stop18h 50m
Sun 10/259:21 am -
1 stop7h 09m
Deal found 9/7![Frontier logo]()
$337
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:10 pm -
2 stops9h 45m
Sun 11/16:05 am -
2 stops8h 30m
Deal found 9/8![Southwest logo]()
$517
One-way flights from Islip to OklahomaSearch for one-way flight options from Islip to Oklahoma. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Islip to Oklahoma. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Frontier deal was found by Cheapflights users on 9/8. 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.
Sat 11/214:43 pm -
1 stop8h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 10/116:25 pm -
2 stops37h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 9/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:40 pm -
1 stop9h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$220
This Southwest deal was found by Cheapflights users on 9/5. 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.
Tue 10/276:05 am -
2 stops9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Southwest logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:00 pm -
3 stops32h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$233
This Frontier deal was found by Cheapflights users on 9/9. 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 10/256:25 pm -
2 stops22h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 10/117:45 pm -
3 stops41h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$245
This Frontier deal was found by Cheapflights users on 9/8. 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.
Sun 10/186:25 pm -
2 stops18h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1410:57 am -
3 stops32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$270
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
1 stop11h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$276
This KAYAK deal was found by Cheapflights users on 9/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$281
This JetBlue deal was found by Cheapflights users on 9/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am -
1 stop9h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![JetBlue logo]()
$282
Find flight deals from Islip to Oklahoma
Keep the following information in mind while searching for Islip to Oklahoma flight deals. Data was last updated September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (Trip.com) |
One-way from | $126 (Frontier) |
Popular in | June |
Cheapest in | April |
Average price | $467 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Oklahoma 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 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Islip to Oklahoma that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipOklahoma City
ISP Islip Long Island - OKC Oklahoma City Will Rogers World
ISPOKC
Islip Long Island
Tue 10/27
6:05 am-2:25 pm
2 stops9h 20m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$221
IslipOklahoma City
ISP Islip Long Island - OKC Oklahoma City Will Rogers World
ISPOKC
Islip Long Island
Tue 10/27
12:00 pm-7:24 pm
3 stops32h 24m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$233
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Sat 11/14
6:00 am-4:16 pm
1 stop11h 16m
Dallas/Fort Worth
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$276
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Sat 10/3
7:00 am-3:29 pm
1 stop9h 29m
Dallas/Fort Worth
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$282
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Tue 12/1
6:00 am-3:18 pm
1 stop10h 18m
Dallas/Fort Worth
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$282
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Tue 12/15
6:00 am-3:18 pm
1 stop10h 18m
Dallas/Fort Worth
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$282
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Fri 11/27
4:40 pm-12:42 am
1 stop9h 02m
Dallas/Fort Worth
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$314
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Sat 9/26
5:43 pm-8:07 am
1 stop15h 24m
Dallas/Fort Worth
Tue 9/29
9:21 am-4:58 pm
1 stop6h 37m
$315
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Mon 11/30
4:40 pm-12:42 am
1 stop9h 02m
Dallas/Fort Worth
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$346
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Wed 11/25
4:40 pm-12:42 am
1 stop9h 02m
Dallas/Fort Worth
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$367
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Best time to book a flight from Islip to Oklahoma
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ISP-DFW
ISP-OKC
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ISP-USOK
ISP-DFW
ISP-OKC
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