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Islip

$91+ Cheap flights from Dallas to Islip, NY (ISP)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
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Find flight deals from Dallas to Islip

Cheapest flights from Dallas to Islip
Explore the most affordable flight options available from Dallas to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 26, 2025.

This CheapOair deal was found by Cheapflights users on 11/25. 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.
mié. 12/1710:15 amDFW - ISP
1 stop13h 23mFrontier
dom. 12/218:35 pmISP - DFW
1 stop24h 05mFrontier
Deal found 11/25$183
This CheapOair deal was found by Cheapflights users on 11/25. 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.
dom. 12/287:44 pmDFW - ISP
1 stop16h 25mFrontier
mié. 12/316:00 amISP - DFW
1 stop11h 13mFrontier
Deal found 11/25$184
This CheapOair deal was found by Cheapflights users on 11/25. 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. 12/61:00 pmDFW - ISP
1 stop21h 11mFrontier
mar. 12/98:29 pmISP - DFW
1 stop12h 46mFrontier
Deal found 11/25$203
This CheapOair deal was found by Cheapflights users on 11/25. 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.
dom. 12/79:00 pmDFW - ISP
1 stop11h 13mFrontier
mar. 12/98:29 pmISP - DFW
1 stop12h 46mFrontier
Deal found 11/25$207
This CheapOair deal was found by Cheapflights users on 11/26. 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.
jue. 12/181:00 pmDFW - ISP
1 stop22h 42mFrontier
dom. 12/218:35 pmISP - DFW
1 stop11h 56mFrontier
Deal found 11/26$208
This CheapOair deal was found by Cheapflights users on 11/26. 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.
jue. 12/49:00 pmDFW - ISP
1 stop21h 34mFrontier
lun. 12/810:19 amISP - DFW
1 stop22h 56mFrontier
Deal found 11/26$224
This CheapOair deal was found by Cheapflights users on 11/25. 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.
jue. 12/49:00 pmDFW - ISP
1 stop21h 34mFrontier
dom. 12/711:15 amISP - DFW
1 stop21h 26mFrontier
Deal found 11/25$228
This CheapOair deal was found by Cheapflights users on 11/25. 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.
vie. 12/510:15 amDFW - ISP
1 stop8h 19mFrontier
vie. 12/126:00 amISP - DFW
1 stop15h 02mFrontier
Deal found 11/25$232
This CheapOair deal was found by Cheapflights users on 11/25. 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.
lun. 12/812:21 pmDFW - ISP
1 stop10h 38mFrontier
mar. 12/98:29 pmISP - DFW
1 stop12h 46mFrontier
Deal found 11/25$233
This CheapOair deal was found by Cheapflights users on 11/25. 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.
jue. 12/258:05 pmDFW - ISP
1 stop16h 04mFrontier
mié. 12/316:00 amISP - DFW
1 stop11h 13mFrontier
Deal found 11/25$234
This CheapOair deal was found by Cheapflights users on 11/25. 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.
vie. 12/198:55 pmDFW - ISP
1 stop26h 04mFrontier
lun. 12/228:35 pmISP - DFW
1 stop11h 56mFrontier
Deal found 11/25$237

Cheap flight deals from Dallas to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) to Islip (ISP). 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 noviembre 26, 2025.

Round-trip from

$182
(CheapOair)

One-way from

$91
(CheapOair)

Popular in

December

Cheapest in

April

Average price

$648
From Dallas to Islip Long Island
Search Deals
One-way flight from Dallas to Islip Long Island
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas to Islip 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 noviembre 26, 2025.
Use the filters below to find and compare flights from Dallas to Islip that are best for you.

Fly from

Dallas

Fly to

Islip

Route

Depart

Return

Price

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

sáb. 2/14

6:02 pm-9:47 am

1 stop14h 45m

Islip Long Island

jue. 2/19

10:42 am-6:57 pm

1 stop9h 15m

$182

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

dom. 12/28

7:44 pm-1:09 pm

1 stop16h 25m

Islip Long Island

mié. 12/31

6:00 am-4:13 pm

1 stop11h 13m

$184

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

mié. 2/25

12:10 pm-9:47 am

1 stop20h 37m

Islip Long Island

lun. 3/2

7:41 pm-11:12 am

1 stop16h 31m

$203

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

mié. 12/17

10:15 am-11:25 am

1 stop24h 10m

Islip Long Island

vie. 12/19

8:35 pm-1:49 pm

1 stop18h 14m

$207

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

jue. 12/18

1:00 pm-12:42 pm

1 stop22h 42m

Islip Long Island

lun. 12/22

8:35 pm-7:31 am

1 stop11h 56m

$207

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

dom. 12/7

9:00 pm-9:13 am

1 stop11h 13m

Islip Long Island

mié. 12/10

6:00 am-7:46 am

1 stop26h 46m

$207

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

sáb. 12/13

10:00 am-11:11 am

1 stop24h 11m

Islip Long Island

mar. 12/16

8:29 pm-8:15 am

1 stop12h 46m

$207

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

dom. 12/7

9:00 pm-9:13 am

1 stop11h 13m

Islip Long Island

mar. 12/9

8:29 pm-8:15 am

1 stop12h 46m

$207

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

jue. 12/18

1:00 pm-12:42 pm

1 stop22h 42m

Islip Long Island

dom. 12/21

8:35 pm-7:31 am

1 stop11h 56m

$208

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

jue. 1/15

8:12 pm-8:09 pm

1 stop22h 57m

Islip Long Island

dom. 1/18

9:52 am-9:27 am

1 stop24h 35m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 18 results
1
2

Best time to book a flight from Dallas to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Dallas 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 Dallas to Islip

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

Currently, March is the cheapest month in which you can book a flight from Dallas to Islip, New York (average of $71). Flying from Dallas to Islip, New York in August is currently the most expensive (average of $104). 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.

What is the cheapest time of day to fly from DFW to ISP?

Find hourly flight availability from Dallas to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 26, 2025.

When flying from Dallas to Islip, New York, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 24% versus a flight in the morning.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated noviembre 26, 2025.
Read reviews from past customers who have flown Southwest from Dallas to Islip. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Dallas to Islip. 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 into for flights to Islip from Dallas?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Dallas to Islip. 1 airline have flights to Long Island from Dallas on a regular basis. Booking flights from Dallas to Islip Long Island should not be difficult; the airport handles an average of 0 inbound flights from Dallas per day.

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

    For as low as $182, Frontier can have you in Islip, New York from Dallas in 14h 45m. Airlines will cover a distance of 1425 mi.

  • What is the cheapest airline to fly from Dallas to Islip, New York round-trip?

    Our cheapest airline available from Dallas to Islip, New York is Southwest. Our recent data shows that you can find tickets from as low as $290 on this airline. You may be able to fly from Dallas to Islip, New York for 32% less than the average price by searching for this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas to Islip 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 Dallas to Islip, New York?

    Currently, March is the cheapest month in which you can book a flight from Dallas to Islip, New York (average of $71). Flying from Dallas to Islip, New York in August is currently the most expensive (average of $104). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
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Alternative routes for Dallas to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dallas to Islip

Discover the top airline that operate flights from Dallas to Islip. 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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$290Average$429FlexibilityNo cancel feeOn-time63%

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