HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$86+ Cheap flights from Dallas/Fort Worth (DFW) 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas/Fort Worth to Islip 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 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 April 23, 2026.

This CheapOair deal was found by Cheapflights users on 4/23. 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 5/157:19 pm
DFW
-
ISP
1 stop13h 46m
Frontier
Sun 5/1711:12 am
ISP
-
DFW
1 stop24h 06m
Frontier
Deal found 4/23$160
This Frontier deal was found by Cheapflights users on 4/20. 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.
Tue 5/58:17 pm
DFW
-
ISP
1 stop12h 48m
Frontier
Thu 5/1411:12 am
ISP
-
DFW
1 stop8h 02m
Frontier
Deal found 4/20$180
This CheapOair deal was found by Cheapflights users on 4/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:17 pm
DFW
-
ISP
1 stop13h 10m
Frontier
Wed 5/2711:00 am
ISP
-
DFW
1 stop21h 50m
Frontier
Deal found 4/19$185
This CheapOair deal was found by Cheapflights users on 4/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:17 pm
DFW
-
ISP
1 stop12h 48m
Frontier
Sat 5/911:00 am
ISP
-
DFW
1 stop21h 50m
Frontier
Deal found 4/19$200
This Frontier deal was found by Cheapflights users on 4/20. 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.
Sun 5/38:59 pm
DFW
-
ISP
1 stop11h 14m
Frontier
Thu 5/1411:12 am
ISP
-
DFW
1 stop8h 02m
Frontier
Deal found 4/20$206
This CheapOair deal was found by Cheapflights users on 4/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Tue 6/26:02 pm
ISP
-
DFW
1 stop14h 48m
Frontier
Deal found 4/20$210
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:17 pm
DFW
-
ISP
1 stop12h 48m
Multiple Airlines
Sat 5/911:00 am
ISP
-
DFW
2 stops13h 48m
Multiple Airlines
Deal found 4/20$219
This CheapOair deal was found by Cheapflights users on 4/22. 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.
Mon 5/1110:00 pm
DFW
-
ISP
1 stop12h 00m
Frontier
Thu 5/1411:12 am
ISP
-
DFW
1 stop8h 02m
Frontier
Deal found 4/22$225
This Frontier deal was found by Cheapflights users on 4/19. 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.
Thu 4/308:31 pm
DFW
-
ISP
1 stop11h 42m
Frontier
Sun 5/38:31 pm
ISP
-
DFW
1 stop13h 05m
Frontier
Deal found 4/19$226
This CheapOair deal was found by Cheapflights users on 4/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:30 am
DFW
-
ISP
1 stop11h 28m
Frontier
Sun 5/3111:00 am
ISP
-
DFW
1 stop24h 03m
Frontier
Deal found 4/19$230
This CheapOair deal was found by Cheapflights users on 4/23. 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 5/85:30 am
DFW
-
ISP
1 stop11h 44m
Frontier
Sun 5/1011:12 am
ISP
-
DFW
1 stop8h 02m
Frontier
Deal found 4/23$231
This Frontier deal was found by Cheapflights users on 4/20. 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.
Wed 5/68:17 pm
DFW
-
ISP
1 stop13h 10m
Frontier
Thu 5/1411:12 am
ISP
-
DFW
1 stop8h 02m
Frontier
Deal found 4/20$235

Find 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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(CheapOair)

One-way from

$86
(CheapOair)

Popular in

November

Cheapest in

August

Average price

$335
Provider with most accurate pricing for Dallas/Fort Worth-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dallas/Fort Worth-Islip Long Island flights.
Search Deals
From Dallas/Fort Worth to Islip Long Island
Search Deals
One-way flight from Dallas/Fort Worth to Islip Long Island
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 23, 2026.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Tue 5/5

8:17 pm-10:05 am

1 stop12h 48m

Islip Long Island

Tue 5/12

5:38 pm-7:50 am

1 stop15h 12m

$180

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Tue 6/30

8:21 pm-7:05 pm

1 stop21h 44m

Islip Long Island

Tue 7/7

4:41 pm-7:39 am

1 stop15h 58m

$210
Quickest round-trip

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Thu 5/7

9:38 pm-10:05 am

1 stop11h 27m

Islip Long Island

Sun 5/10

11:12 am-6:14 pm

1 stop8h 02m

$225

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Tue 6/16

8:21 pm-7:05 pm

1 stop21h 44m

Islip Long Island

Sat 6/20

7:50 pm-6:57 am

1 stop12h 07m

$230

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Tue 6/2

10:00 pm-10:05 am

1 stop11h 05m

Islip Long Island

Fri 6/12

7:50 pm-6:57 am

1 stop12h 07m

$230

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Wed 5/27

5:30 am-5:58 pm

1 stop11h 28m

Islip Long Island

Thu 5/28

11:00 am-6:14 pm

1 stop8h 14m

$230

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Fri 5/8

1:20 pm-10:05 am

1 stop19h 45m

Islip Long Island

Tue 5/12

5:38 pm-5:19 pm

2 stops24h 41m

$236

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Fri 6/5

10:00 pm-10:05 am

1 stop11h 05m

Islip Long Island

Wed 6/10

7:50 pm-6:57 am

1 stop12h 07m

$250

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Fri 6/19

7:51 pm-10:03 am

1 stop13h 12m

Islip Long Island

Sat 7/4

10:48 am-9:31 pm

1 stop11h 43m

$250

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Tue 7/14

10:53 am-10:03 am

1 stop22h 10m

Islip Long Island

Wed 7/29

10:48 am-7:06 pm

1 stop9h 18m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Dallas/Fort Worth to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dallas/Fort Worth to Islip in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dallas/Fort Worth Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dallas/Fort Worth Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dallas/Fort Worth Airport-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dallas/Fort Worth Airport-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dallas/Fort Worth Airport-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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 April 23, 2026.
Read through reviews of airlines operating flights from Dallas/Fort Worth Airport to Islip, 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
4,331 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,331 reviews
Southwest
8.0
Very good
4,331 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Frontier
5.7
Fair
2,980 reviews
Southwest
8.0
Very good
4,331 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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. 2 airlines have 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, New York?

    For as low as $180, Frontier can have you in Islip, New York from Dallas/Fort Worth Airport in 12h 48m. The distance from Dallas/Fort Worth Airport to Islip, New York is about 1425 mi.

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

    According to our current data, Frontier ($148), and Southwest ($218) offers the cheapest pricing from Dallas/Fort Worth Airport to Islip, New York. Frontier is priced at 59% lower than the current average price of a flight leaving 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.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Dallas/Fort Worth to Islip

Discover the top 2 airlines 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$241FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$218Average$412FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights