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Islip

$145+ Cheap flights from Dallas/Fort Worth (DFW) to Islip (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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Dallas/Fort Worth to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) 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 septiembre 11, 2025.

Round-trip from

$153
(CheapOair)

One-way from

$145
(Cheapflightsfares)

Popular in

November

Cheapest in

April

Average price

$325
From Dallas/Fort Worth to Islip Long Island
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One-way flight from Dallas/Fort Worth to Islip Long Island
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Highest demand for flights based on searches. 17% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dallas/Fort Worth to Islip

Cheapest flights from Dallas/Fort Worth to Islip
Explore the most affordable flight options available from Dallas/Fort Worth to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/10. 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. 9/258:18 pmDFW - ISP
1 stop13h 22mFrontier
lun. 9/295:05 pmISP - DFW
1 stop17h 59mFrontier
Deal found 9/10$153
This CheapOair deal was found by Cheapflights users on 9/11. 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. 9/258:00 amDFW - ISP
1 stop24h 04mFrontier
mar. 9/3011:25 amISP - DFW
1 stop23h 39mFrontier
Deal found 9/11$155
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/28:00 amDFW - ISP
1 stop24h 04mFrontier
dom. 10/55:12 pmISP - DFW
1 stop22h 36mFrontier
Deal found 9/9$157
This Frontier deal was found by Cheapflights users on 9/11. 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.
vie. 10/38:00 amDFW - ISP
1 stop7h 27mFrontier
mar. 10/79:37 pmISP - DFW
1 stop13h 34mFrontier
Deal found 9/11$165
This CheapOair deal was found by Cheapflights users on 9/10. 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. 9/218:18 pmDFW - ISP
1 stop13h 22mFrontier
dom. 9/2811:25 amISP - DFW
1 stop21h 24mFrontier
Deal found 9/10$184
This CheapOair deal was found by Cheapflights users on 9/10. 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.
mar. 11/118:59 pmDFW - ISP
1 stop12h 38mFrontier
mar. 11/186:27 pmISP - DFW
1 stop17h 47mFrontier
Deal found 9/10$186
This CheapOair deal was found by Cheapflights users on 9/11. 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. 10/98:11 pmDFW - ISP
1 stop11h 53mFrontier
sáb. 10/114:58 pmISP - DFW
1 stop17h 52mFrontier
Deal found 9/11$188
This Frontier deal was found by Cheapflights users on 9/11. 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.
jue. 11/139:10 pmDFW - ISP
1 stop12h 27mFrontier
dom. 11/169:27 pmISP - DFW
1 stop11h 25mFrontier
Deal found 9/11$192
This CheapOair deal was found by Cheapflights users on 9/10. 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.
mar. 9/3011:00 amDFW - ISP
1 stop22h 40mFrontier
dom. 10/55:12 pmISP - DFW
1 stop22h 36mFrontier
Deal found 9/10$193
This CheapOair deal was found by Cheapflights users on 9/10. 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. 10/169:19 pmDFW - ISP
1 stop12h 18mFrontier
dom. 10/199:47 pmISP - DFW
1 stop12h 38mFrontier
Deal found 9/10$194
This CheapOair deal was found by Cheapflights users on 9/11. 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. 10/28:00 amDFW - ISP
1 stop24h 04mFrontier
sáb. 10/45:18 pmISP - DFW
1 stop22h 30mFrontier
Deal found 9/11$195
This CheapOair deal was found by Cheapflights users on 9/11. 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.
mar. 10/2111:21 amDFW - ISP
1 stop8h 21mFrontier
vie. 10/244:58 pmISP - DFW
1 stop18h 28mFrontier
Deal found 9/11$196

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Islip that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Islip

Route

Depart

Return

Price

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

jue. 10/16

9:19 pm-10:37 am

1 stop12h 18m

Islip Long Island

lun. 10/20

4:58 pm-10:11 am

1 stop18h 13m

$153

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

jue. 11/13

9:10 pm-10:37 am

1 stop12h 27m

Islip Long Island

dom. 11/16

9:27 pm-8:15 am

1 stop11h 48m

$153

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

lun. 10/6

8:18 pm-8:42 pm

1 stop23h 24m

Islip Long Island

mié. 10/8

4:58 pm-12:49 pm

1 stop20h 51m

$153

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

jue. 9/25

8:18 pm-10:40 am

1 stop13h 22m

Islip Long Island

dom. 9/28

11:25 am-7:49 am

1 stop21h 24m

$153

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

vie. 9/26

8:18 pm-10:55 am

1 stop13h 37m

Islip Long Island

dom. 9/28

11:25 am-7:49 am

1 stop21h 24m

$153

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

jue. 10/23

9:19 pm-10:37 am

1 stop12h 18m

Islip Long Island

lun. 10/27

4:58 pm-11:14 am

1 stop19h 16m

$153

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

mar. 10/21

11:21 am-8:42 pm

1 stop8h 21m

Islip Long Island

jue. 10/23

9:37 pm-9:25 am

1 stop12h 48m

$153

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

vie. 10/31

2:50 pm-10:37 am

1 stop18h 47m

Islip Long Island

mar. 11/4

6:27 pm-11:14 am

1 stop17h 47m

$153

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

dom. 9/28

8:18 pm-10:40 am

1 stop13h 22m

Islip Long Island

dom. 10/5

5:12 pm-2:48 pm

1 stop22h 36m

$155

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

jue. 10/2

8:00 am-9:04 am

1 stop24h 04m

Islip Long Island

dom. 10/5

5:12 pm-2:48 pm

1 stop22h 36m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 19 results
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Best time to book a flight from Dallas/Fort Worth to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Dallas/Fort Worth 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/Fort Worth Airport to Islip

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Islip?

Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Islip (average of $108). Flying from Dallas/Fort Worth Airport to Islip in November is currently the most expensive (average of $213). 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/Fort Worth 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 septiembre 11, 2025.

When flying from Dallas/Fort Worth Airport to Islip, 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 6% versus a flight in the morning.

How much does it cost to fly round-trip from Dallas/Fort Worth Airport to Islip?

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 septiembre 11, 2025.
Read through reviews of airlines operating flights from Dallas/Fort Worth Airport to Islip, such as Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

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/Fort Worth 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/Fort Worth?

    For a flight from Dallas/Fort Worth to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 inbound flights from Dallas/Fort Worth per day. 1 airline has flights to Islip Long Island from Dallas/Fort Worth on a regular basis.

  • How long is the flight from Dallas/Fort Worth Airport to Islip?

    For as low as $153, Frontier can have you in Islip from Dallas/Fort Worth Airport in 12h 18m. Airlines will cover a distance of 1425 mi.

  • What is the cheapest airline to fly from Dallas/Fort Worth Airport to Islip round-trip?

    Southwest, at $296, was found to be the cheapest airline from Dallas/Fort Worth Airport to Islip.. This flight start at 34% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth 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/Fort Worth Airport to Islip?

    Currently, January is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Islip (average of $108). Flying from Dallas/Fort Worth Airport to Islip in November is currently the most expensive (average of $213). 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?

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Riverhead
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Alternative routes for Dallas/Fort Worth 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/Fort Worth to Islip

Discover the top airline that operate flights from Dallas/Fort Worth 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$296Average$436FlexibilityNo cancel feeOn-time63%

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