$151+ Cheap flights from Islip, NY (ISP) to Dallas
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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DFW
Oct 3 — Oct 101
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Dallas 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Dallas
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Cheapest flights from Islip to DallasExplore the most affordable flight options available from Islip to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
Explore the most affordable flight options available from Islip to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 3, 2026.
This CheapOair deal was found by Cheapflights users on 9/2. 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 10/16:48 pm -
1 stop20h 27m
Wed 10/71:35 pm -
1 stop26h 55m
Deal found 9/2![Frontier logo]()
$243
This CheapOair deal was found by Cheapflights users on 9/2. 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 9/305:43 pm -
1 stop27h 58m
Wed 10/71:35 pm -
1 stop26h 55m
Deal found 9/2![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 8/31. 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.
Mon 9/285:43 pm -
1 stop27h 58m
Wed 9/303:20 pm -
1 stop25h 43m
Deal found 8/31![Frontier logo]()
$277
This Trip.com deal was found by Cheapflights users on 8/29. 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 10/156:25 pm -
1 stop14h 51m
Sun 10/189:21 am -
1 stop7h 09m
Deal found 8/29![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 8/31. 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 10/256:25 pm -
1 stop14h 51m
Wed 10/281:23 pm -
1 stop27h 08m
Deal found 8/31![Frontier logo]()
$289
This CheapOair deal was found by Cheapflights users on 9/1. 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 10/116:25 pm -
1 stop14h 51m
Thu 10/159:21 am -
1 stop7h 09m
Deal found 9/1![Frontier logo]()
$294
This CheapOair deal was found by Cheapflights users on 9/1. 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 9/155:43 pm -
1 stop15h 24m
Tue 9/229:54 pm -
1 stop18h 04m
Deal found 9/1![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/3012:00 pm -
2 stops25h 12m
Wed 10/79:54 pm -
1 stop18h 36m
Deal found 9/2![Multiple Airlines logo]()
$308
This CheapOair deal was found by Cheapflights users on 9/2. 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 10/16:48 pm -
1 stop20h 27m
Sun 10/49:54 pm -
1 stop18h 04m
Deal found 9/2![Frontier logo]()
$312
Best flights from Islip to DallasDiscover carefully curated flight deals from Islip to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
Discover carefully curated flight deals from Islip to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 3, 2026.
This JetBlue deal was found by Cheapflights users on 8/30. 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 11/41:33 pm -
1 stop7h 04m
Deal found 8/30![JetBlue logo]()
$543
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 12/2211:38 am -
2 stops21h 40m
Tue 12/2910:00 am -
1 stop22h 01m
Deal found 8/29![Multiple Airlines logo]()
$757
This JetBlue deal was found by Cheapflights users on 8/29. 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 10/206:00 am -
1 stop7h 34m
Wed 10/211:25 pm -
1 stop7h 12m
Deal found 8/29![JetBlue logo]()
$563
This JetBlue deal was found by Cheapflights users on 9/2. 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
Tue 10/271:33 pm -
1 stop7h 04m
Deal found 9/2![JetBlue logo]()
$575
This KAYAK deal was found by Cheapflights users on 9/2. 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 10/47:00 am -
1 stop29h 24m
Wed 10/74:40 pm -
1 stop27h 57m
Deal found 9/2![JetBlue logo]()
$622
This JetBlue deal was found by Cheapflights users on 9/1. 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 9/267:00 am -
1 stop9h 29m
Sun 9/2712:15 pm -
1 stop10h 07m
Deal found 9/1![JetBlue logo]()
$648
This KAYAK deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 am -
1 stop29h 24m
Wed 9/304:40 pm -
1 stop29h 42m
Deal found 8/31![JetBlue logo]()
$670
This JetBlue deal was found by Cheapflights users on 8/29. 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 2/55:50 am -
1 stop10h 25m
Sun 2/711:45 am -
1 stop8h 55m
Deal found 8/29![JetBlue logo]()
$705
This JetBlue deal was found by Cheapflights users on 8/30. 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 10/296:00 am -
1 stop7h 39m
Thu 11/121:33 pm -
1 stop7h 04m
Deal found 8/30![JetBlue logo]()
$733
This JetBlue deal was found by Cheapflights users on 8/29. 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 9/177:00 am -
1 stop9h 29m
Sun 9/2012:15 pm -
1 stop10h 07m
Deal found 8/29![JetBlue logo]()
$763
Last-minute flights from Islip to DallasDiscover last-minute flight deals from Islip to Dallas. Data last updated September 3, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Dallas. Data last updated September 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/1. 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 9/155:43 pm -
1 stop15h 24m
Tue 9/229:54 pm -
1 stop18h 04m
Deal found 9/1![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 8/31. 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.
Mon 9/285:43 pm -
1 stop27h 58m
Wed 9/303:20 pm -
1 stop25h 43m
Deal found 8/31![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 9/2. 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 9/305:43 pm -
1 stop27h 58m
Wed 10/71:35 pm -
1 stop26h 55m
Deal found 9/2![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/3012:00 pm -
2 stops25h 12m
Wed 10/79:54 pm -
1 stop18h 36m
Deal found 9/2![Multiple Airlines logo]()
$308
This CheapOair deal was found by Cheapflights users on 9/2. 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 10/16:48 pm -
1 stop20h 27m
Wed 10/71:35 pm -
1 stop26h 55m
Deal found 9/2![Frontier logo]()
$243
This CheapOair deal was found by Cheapflights users on 9/2. 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 10/16:48 pm -
1 stop20h 27m
Sun 10/49:54 pm -
1 stop18h 04m
Deal found 9/2![Frontier logo]()
$312
This CheapOair deal was found by Cheapflights users on 9/1. 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 10/116:25 pm -
1 stop14h 51m
Thu 10/159:21 am -
1 stop7h 09m
Deal found 9/1![Frontier logo]()
$294
This Trip.com deal was found by Cheapflights users on 8/29. 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 10/156:25 pm -
1 stop14h 51m
Sun 10/189:21 am -
1 stop7h 09m
Deal found 8/29![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 8/31. 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 10/256:25 pm -
1 stop14h 51m
Wed 10/281:23 pm -
1 stop27h 08m
Deal found 8/31![Frontier logo]()
$289
One-way flights from Islip to DallasSearch for one-way flight options from Islip to Dallas. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
Search for one-way flight options from Islip to Dallas. Find affordable one-way fares based on user searches. Data last updated September 3, 2026.
This CheapOair deal was found by Cheapflights users on 9/1. 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 10/226:25 pm -
1 stop18h 50m
Deal found 9/1![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 8/29. 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 9/810:57 am -
1 stop9h 03m
Deal found 8/29![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/2210:57 am -
2 stops45h 11m
Deal found 9/1![Multiple Airlines logo]()
$171
This Frontier deal was found by Cheapflights users on 8/30. 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 12/109:56 am -
1 stop7h 47m
Deal found 8/30![Frontier logo]()
$173
This CheapOair deal was found by Cheapflights users on 9/2. 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 9/135:43 pm -
1 stop15h 29m
Deal found 9/2![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 9/2. 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 10/116:25 pm -
2 stops18h 51m
Deal found 9/2![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 9/2. 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 10/156:25 pm -
2 stops18h 51m
Deal found 9/2![Frontier logo]()
$278
This JetBlue deal was found by Cheapflights users on 9/1. 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 9/267:00 am -
1 stop9h 29m
Deal found 9/1![JetBlue logo]()
$282
This JetBlue deal was found by Cheapflights users on 8/31. 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 11/146:00 am -
1 stop11h 16m
Deal found 8/31![JetBlue logo]()
$287
This Frontier deal was found by Cheapflights users on 9/1. 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 11/258:01 pm -
1 stop13h 16m
Deal found 9/1![Frontier logo]()
$309
Find flight deals from Islip to Dallas
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Dallas (A78). 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 September 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $243 (CheapOair) |
One-way from | $151 (CheapOair) |
Popular in | August |
Cheapest in | November |
Average price | $375 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Dallas 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 3, 2026.
Use the filters below to find and compare flights from Islip to Dallas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Wed 10/21
6:00 am-12:34 pm
1 stop7h 34m
Dallas/Fort Worth
Wed 11/4
1:33 pm-9:37 pm
1 stop7h 04m
$543
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Tue 10/20
6:00 am-12:34 pm
1 stop7h 34m
Dallas/Fort Worth
Wed 10/21
1:25 pm-9:37 pm
1 stop7h 12m
$563
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Wed 10/21
6:00 am-12:34 pm
1 stop7h 34m
Dallas/Fort Worth
Tue 10/27
1:33 pm-9:37 pm
1 stop7h 04m
$575
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Sun 10/4
7:00 am-11:24 am
1 stop29h 24m
Dallas/Fort Worth
Wed 10/7
4:40 pm-9:37 pm
1 stop27h 57m
$622
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Sat 9/26
7:00 am-3:29 pm
1 stop9h 29m
Dallas/Fort Worth
Sun 9/27
12:15 pm-11:22 pm
1 stop10h 07m
$648
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Tue 9/29
7:00 am-11:24 am
1 stop29h 24m
Dallas/Fort Worth
Wed 9/30
4:40 pm-11:22 pm
1 stop29h 42m
$670
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Fri 2/5
5:50 am-3:15 pm
1 stop10h 25m
Dallas/Fort Worth
Sun 2/7
11:45 am-9:40 pm
1 stop8h 55m
$705
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Thu 10/29
6:00 am-12:39 pm
1 stop7h 39m
Dallas/Fort Worth
Thu 11/12
1:33 pm-9:37 pm
1 stop7h 04m
$733
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Tue 12/22
11:38 am-8:18 am
2 stops21h 40m
Dallas/Fort Worth
Tue 12/29
10:00 am-9:01 am
1 stop22h 01m
$757
IslipDallas
ISP Islip Long Island - DFW Dallas/Fort Worth
ISPDFW
Islip Long Island
Thu 9/17
7:00 am-3:29 pm
1 stop9h 29m
Dallas/Fort Worth
Sun 9/20
12:15 pm-11:22 pm
1 stop10h 07m
$763
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from Islip to Dallas
Have a flexible travel schedule? Discover the best time to fly to Dallas from Islip with our price prediction graph.
ISP-A78
ISP-DFW
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 Dallas
ISP-A78
ISP-DFW
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Dallas
Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated September 3, 2026.
Read through reviews of airlines operating flights from Islip to Dallas, such as Southwest and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Related info for your journey
Find useful and relevant information for your journey from Islip to Dallas. 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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Islip and Dallas flights
Browse other Islip and Dallas flight options. Last updated on September 3, 2026.
Other flights from Islip
Browse through other flights departing from Islip. Flights are based on user searches made on Cheapflights and were last updated on September 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Islip to Dallas
Discover the top 2 airlines that operate flights from Islip to Dallas. 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 7,457,451 searches. Data last updated September 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$115 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$279 | Average$434 | FlexibilityNo cancel fee | On-time63% |