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$95+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DFW
mar 21 — mar 281
sáb 3/21
sáb 3/28
1 adult, Economy
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Cheap flight deals from Islip to Dallas

Cheapest flights from Islip to Dallas
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 fevereiro 19, 2026.

This CheapOair deal was found by Cheapflights users on 2/18. 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.
qui 4/164:07 pm
ISP
-
DFW
1 stop16h 41m
Frontier
dom 4/1912:18 pm
DFW
-
ISP
1 stop19h 55m
Frontier
Deal found 2/18$190
This CheapOair deal was found by Cheapflights users on 2/17. 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.
sáb 4/115:02 pm
ISP
-
DFW
1 stop16h 17m
Frontier
sáb 4/186:00 pm
DFW
-
ISP
1 stop14h 13m
Frontier
Deal found 2/17$211
This CheapOair deal was found by Cheapflights users on 2/18. 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.
qua 2/259:33 am
ISP
-
DFW
1 stop7h 51m
Frontier
sex 2/278:32 pm
DFW
-
ISP
1 stop13h 34m
Frontier
Deal found 2/18$232
This CheapOair deal was found by Cheapflights users on 2/17. 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.
qui 5/73:50 pm
ISP
-
DFW
1 stop6h 53m
Frontier
dom 5/106:49 pm
DFW
-
ISP
1 stop13h 24m
Frontier
Deal found 2/17$240
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 3/49:33 am
ISP
-
DFW
1 stop9h 37m
Multiple Airlines
sáb 3/78:40 pm
DFW
-
ISP
2 stops20h 06m
Multiple Airlines
Deal found 2/18$261
This Expedia deal was found by Cheapflights users on 2/17. 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.
qua 3/49:33 am
ISP
-
DFW
1 stop7h 51m
Frontier
dom 3/81:25 pm
DFW
-
ISP
1 stop22h 08m
Frontier
Deal found 2/17$270
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
sex 5/14:07 pm
ISP
-
DFW
1 stop19h 11m
Multiple Airlines
ter 5/57:35 pm
DFW
-
ISP
2 stops36h 38m
Multiple Airlines
Deal found 2/16$283
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
qua 3/49:33 am
ISP
-
DFW
1 stop12h 47m
Multiple Airlines
dom 3/88:16 pm
DFW
-
ISP
2 stops16h 15m
Multiple Airlines
Deal found 2/17$303
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 4/85:28 pm
ISP
-
DFW
1 stop21h 45m
Multiple Airlines
ter 4/147:35 pm
DFW
-
ISP
2 stops36h 58m
Multiple Airlines
Deal found 2/18$309
This Kiwi.com deal was found by Cheapflights users on 2/16. 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.
seg 2/238:23 am
ISP
-
DFW
1 stop9h 56m
Multiple Airlines
qui 2/268:27 pm
DFW
-
ISP
2 stops37h 43m
Multiple Airlines
Deal found 2/16$320
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
dom 3/154:34 pm
ISP
-
DFW
1 stop17h 29m
Multiple Airlines
sex 3/208:26 pm
DFW
-
ISP
2 stops13h 44m
Multiple Airlines
Deal found 2/17$323

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 fevereiro 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$190
(CheapOair)

One-way from

$95
(CheapOair)

Popular in

February

Cheapest in

October

Average price

$786
Provider with most accurate pricing for New York (NYC)-Dallas flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Dallas flights.
Search Deals
From Islip Long Island to Dallas
Search Deals
One-way flight from Islip Long Island to Dallas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 2,558,603 searches. Data last updated fevereiro 19, 2026.
Use the filters below to find and compare flights from Islip to Dallas that are best for you.

Fly from

Islip

Fly to

Dallas

Route

Depart

Return

Price

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

qui 4/30

4:07 pm-8:03 am

1 stop16h 56m

Dallas/Fort Worth

dom 5/3

9:00 pm-9:13 am

1 stop11h 13m

$190

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

qui 4/16

3:50 pm-9:43 pm

1 stop6h 53m

Dallas/Fort Worth

dom 4/19

9:00 pm-9:13 am

1 stop11h 13m

$190

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

sex 4/17

4:07 pm-10:18 am

1 stop19h 11m

Dallas/Fort Worth

dom 4/19

5:45 am-9:13 am

1 stop26h 28m

$190

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

sáb 4/11

5:02 pm-8:19 am

1 stop16h 17m

Dallas/Fort Worth

sáb 4/18

6:00 pm-9:13 am

1 stop14h 13m

$211

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

qua 3/4

9:33 am-4:24 pm

1 stop7h 51m

Dallas/Fort Worth

dom 3/8

1:25 pm-12:33 pm

1 stop22h 08m

$270

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

sex 5/1

4:07 pm-10:18 am

1 stop19h 11m

Dallas/Fort Worth

ter 5/5

7:35 pm-9:13 am

2 stops36h 38m

$283

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

qua 3/4

9:33 am-9:20 pm

1 stop12h 47m

Dallas/Fort Worth

dom 3/8

8:16 pm-1:31 pm

2 stops16h 15m

$303

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

qua 4/8

5:28 pm-2:13 pm

1 stop21h 45m

Dallas/Fort Worth

ter 4/14

7:35 pm-9:33 am

2 stops36h 58m

$309

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

dom 3/15

4:34 pm-9:03 am

1 stop17h 29m

Dallas/Fort Worth

sex 3/20

8:26 pm-11:10 am

2 stops13h 44m

$323

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

qua 5/20

11:57 am-11:05 pm

2 stops12h 08m

Dallas/Fort Worth

dom 5/31

7:10 am-9:08 am

1 stop24h 58m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 19 results
1
2

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.
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

What is the cheapest month to book a flight from Islip, New York to Dallas?

Currently, November is the cheapest month in which you can book a flight from Islip, New York to Dallas (average of $43). Flying from Islip, New York to Dallas in July is currently the most expensive (average of $118). 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.

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 fevereiro 19, 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.
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.7
Fair
3,048 reviews
Southwest
8.0
Very good
4,295 reviews

Entertainment

7.5

Overall

8.0

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • What airport do you fly from for flights from Islip to Dallas?

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to Dallas. You should not have trouble finding flights to Dallas from Long Island; the airport handles an average of 0 outbound flights to Dallas per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Islip airport to Dallas. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

  • How long is the flight from Islip, New York to Dallas?

    A quick flight from Islip, New York to Dallas can take about 16h 56m. Frontier provides one of the quickest options available for as low as $190. Airlines will cover a distance of 1425 mi.

  • What are the cheapest airlines flying from Islip, New York to Dallas round-trip?

    Cheapflights users have booked flights from Islip, New York to Dallas round-trip from $115. Another airline that can offer you cheap pricing is Southwest. You may be able to fly from Islip, New York to Dallas for 72% less than the average price by searching for these airlines.

  • Can I find deals for flights from Islip to Dallas that include hotel bookings?

    Yes. In addition to deals on Islip to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Dallas.

  • Can I find deals for business class flights from Islip to Dallas?

    Yes. Cheapflights offers flight deals from Islip to Dallas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Dallas?

    Currently, November is the cheapest month in which you can book a flight from Islip, New York to Dallas (average of $43). Flying from Islip, New York to Dallas in July is currently the most expensive (average of $118). 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.

See more FAQs

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Alternative routes for Islip to Dallas

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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 2,558,603 searches. Data last updated fevereiro 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$198FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$253Average$434FlexibilityNo cancel feeOn-time63%

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