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$80+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DFW
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This CheapOair deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:31 pm
ISP
-
DFW
1 stop25h 35m
Frontier
Sun 5/38:59 pm
DFW
-
ISP
1 stop11h 14m
Frontier
Deal found 3/21$160
This CheapOair deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:02 pm
ISP
-
DFW
1 stop8h 23m
Frontier
Sat 4/186:00 pm
DFW
-
ISP
1 stop14h 13m
Frontier
Deal found 3/22$180
This Frontier deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:34 pm
ISP
-
DFW
1 stop13h 45m
Frontier
Sun 4/198:59 pm
DFW
-
ISP
1 stop11h 14m
Frontier
Deal found 3/22$185
This Frontier deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:00 am
ISP
-
DFW
1 stop8h 38m
Frontier
Mon 5/1810:00 pm
DFW
-
ISP
1 stop12h 00m
Frontier
Deal found 3/22$205
This CheapOair deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:07 pm
ISP
-
DFW
1 stop16h 41m
Frontier
Sun 4/195:05 pm
DFW
-
ISP
1 stop15h 08m
Frontier
Deal found 3/18$210
This Frontier deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:02 pm
ISP
-
DFW
1 stop8h 23m
Frontier
Thu 4/166:59 pm
DFW
-
ISP
1 stop13h 14m
Frontier
Deal found 3/22$225
This Frontier deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:00 am
ISP
-
DFW
1 stop8h 38m
Frontier
Tue 5/1210:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 3/19$230
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:00 am
ISP
-
DFW
1 stop8h 38m
Frontier
Tue 5/2610:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 3/20$250
This CheapOair deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:36 pm
ISP
-
DFW
1 stop21h 45m
Frontier
Sun 4/56:10 pm
DFW
-
ISP
1 stop6h 28m
Frontier
Deal found 3/22$260
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:00 am
ISP
-
DFW
1 stop8h 38m
Frontier
Fri 5/2210:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 3/20$270
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:50 am
ISP
-
DFW
2 stops12h 15m
Multiple Airlines
Tue 5/510:00 pm
DFW
-
ISP
1 stop11h 05m
Multiple Airlines
Deal found 3/21$274
This CheapOair deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:40 pm
ISP
-
DFW
1 stop14h 39m
Frontier
Sun 4/58:40 pm
DFW
-
ISP
1 stop11h 48m
Frontier
Deal found 3/22$280

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(CheapOair)

One-way from

$80
(CheapOair)

Popular in

April

Cheapest in

October

Average price

$440
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. 27% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 23, 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

Price

Cheapest round-trip

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 5/1

8:31 pm-9:06 pm

1 stop25h 35m

Dallas/Fort Worth

Mon 5/4

2:23 pm-11:00 am

1 stop19h 37m

$185

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 5/14

11:00 am-6:38 pm

1 stop8h 38m

Dallas/Fort Worth

Mon 5/18

10:00 pm-11:00 am

1 stop12h 00m

$205

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 4/16

4:07 pm-7:48 am

1 stop16h 41m

Dallas/Fort Worth

Sun 4/19

5:05 pm-9:13 am

1 stop15h 08m

$210

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 5/28

11:00 am-7:50 am

1 stop21h 50m

Dallas/Fort Worth

Sun 5/31

7:43 pm-10:05 am

1 stop13h 22m

$230
Quickest round-trip

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 5/8

11:00 am-6:38 pm

1 stop8h 38m

Dallas/Fort Worth

Tue 5/12

10:00 pm-10:05 am

1 stop11h 05m

$230

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 4/19

8:31 pm-8:36 am

1 stop13h 05m

Dallas/Fort Worth

Sun 4/26

8:59 pm-9:28 am

1 stop11h 29m

$250

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 4/3

11:51 am-8:19 am

1 stop21h 28m

Dallas/Fort Worth

Sat 4/18

11:38 am-9:13 am

1 stop20h 35m

$260

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 6/12

10:48 am-7:06 pm

1 stop9h 18m

Dallas/Fort Worth

Tue 6/23

8:11 pm-10:03 am

1 stop12h 52m

$290

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 5/21

11:00 am-6:38 pm

1 stop8h 38m

Dallas/Fort Worth

Mon 5/25

5:30 am-5:58 pm

1 stop11h 28m

$355

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 4/2

8:36 pm-9:04 am

1 stop13h 28m

Dallas/Fort Worth

Sat 4/4

9:29 am-6:39 pm

1 stop8h 10m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 March 23, 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
4,324 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

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
4,324 reviews
Southwest
8.0
Very good
4,324 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

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
3,020 reviews
Southwest
8.0
Very good
4,324 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

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 25h 35m. Frontier provides one of the quickest options available for as low as $185. 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 71% 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$198FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$253Average$434FlexibilityNo cancel feeOn-time63%

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