HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$121+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
ago 23 — ago 301
dom 8/23
dom 8/30
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 luglio 24, 2026.

This Frontier deal was found by Cheapflights users on 7/19. 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.
mar 8/188:05 pm
DFW
-
ISP
1 stop12h 48m
Frontier
mar 8/2510:57 am
ISP
-
DFW
1 stop9h 03m
Frontier
Deal found 7/19$239
This Frontier deal was found by Cheapflights users on 7/19. 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.
gio 8/208:28 am
DFW
-
ISP
1 stop8h 46m
Frontier
dom 8/237:09 pm
ISP
-
DFW
1 stop13h 24m
Frontier
Deal found 7/19$242
This Frontier deal was found by Cheapflights users on 7/19. 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.
lun 8/178:20 pm
DFW
-
ISP
1 stop12h 33m
Frontier
sab 8/227:09 pm
ISP
-
DFW
1 stop13h 24m
Frontier
Deal found 7/19$246
This Frontier deal was found by Cheapflights users on 7/24. 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.
gio 9/310:08 am
DFW
-
ISP
1 stop7h 53m
Frontier
dom 9/610:57 am
ISP
-
DFW
1 stop9h 03m
Frontier
Deal found 7/24$247
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 8/2810:08 am
DFW
-
ISP
1 stop7h 53m
Frontier
dom 8/307:09 pm
ISP
-
DFW
1 stop13h 24m
Frontier
Deal found 7/23$248
This CheapOair deal was found by Cheapflights users on 7/22. 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.
gio 9/179:44 pm
DFW
-
ISP
1 stop10h 49m
Frontier
dom 9/204:13 pm
ISP
-
DFW
1 stop21h 17m
Frontier
Deal found 7/22$252
This Frontier deal was found by Cheapflights users on 7/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 8/208:28 am
DFW
-
ISP
1 stop8h 46m
Frontier
gio 8/277:09 pm
ISP
-
DFW
1 stop13h 24m
Frontier
Deal found 7/23$253
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 8/188:05 pm
DFW
-
ISP
1 stop12h 48m
Multiple Airlines
mer 8/262:33 pm
ISP
-
DFW
2 stops30h 01m
Multiple Airlines
Deal found 7/19$264
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 8/178:20 pm
DFW
-
ISP
1 stop12h 33m
Multiple Airlines
mer 8/262:33 pm
ISP
-
DFW
2 stops30h 01m
Multiple Airlines
Deal found 7/19$265
This Frontier deal was found by Cheapflights users on 7/22. 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.
ven 9/48:05 pm
DFW
-
ISP
1 stop12h 48m
Frontier
dom 9/610:57 am
ISP
-
DFW
1 stop9h 03m
Frontier
Deal found 7/22$266

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 luglio 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(Frontier)

One-way from

$121
(Frontier)

Popular in

November

Cheapest in

February

Average price

$442
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. 16% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 luglio 24, 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

mar 8/25

8:05 pm-9:53 am

1 stop12h 48m

Islip Long Island

sab 8/29

7:09 pm-7:33 am

1 stop13h 24m

$242

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

lun 8/17

8:20 pm-9:53 am

1 stop12h 33m

Islip Long Island

ven 8/21

7:09 pm-7:33 am

1 stop13h 24m

$253

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

gio 9/17

12:15 pm-3:36 pm

2 stops26h 21m

Islip Long Island

dom 9/20

4:13 pm-9:12 am

1 stop17h 59m

$411

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

gio 8/13

8:28 am-9:53 am

1 stop24h 25m

Islip Long Island

dom 8/16

6:00 am-10:49 am

1 stop29h 49m

$488

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

gio 9/10

12:25 pm-11:22 pm

1 stop9h 57m

Islip Long Island

lun 9/14

7:00 am-3:29 pm

1 stop9h 29m

$495
Quickest round-trip

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

gio 10/8

1:25 pm-9:35 pm

1 stop7h 10m

Islip Long Island

mar 10/13

6:00 am-12:30 pm

1 stop7h 30m

$495

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

ven 9/18

12:25 pm-11:22 pm

1 stop9h 57m

Islip Long Island

lun 9/21

7:00 am-3:29 pm

1 stop9h 29m

$508

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

mar 10/20

1:25 pm-9:35 pm

1 stop7h 10m

Islip Long Island

gio 10/22

6:00 am-12:30 pm

1 stop7h 30m

$510

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

gio 9/10

12:15 pm-11:22 pm

1 stop10h 07m

Islip Long Island

dom 9/13

7:00 am-3:29 pm

1 stop9h 29m

$519

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

gio 9/17

12:25 pm-11:22 pm

1 stop9h 57m

Islip Long Island

dom 9/20

7:00 am-3:29 pm

1 stop9h 29m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

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

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 July.
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?

Airfare is below average for this route at the moment.

Dallas/Fort Worth Airport to Islip, New York flights typically cost between $384 and $568 in August.
The cheapest round-trip price found within the last 5 days was $239 on Frontier (Aug 18-Aug 25).

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 luglio 24, 2026.
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
4,234 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Sharilynn,May 2024

HOU - LGA

The free WiFi was so bad, I couldn’t even watch an inflight movie.
Southwest
8.0
Very good
4,234 reviews
Southwest
8.0
Very good
4,234 reviews

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Sharilynn,May 2024

HOU - LGA

The free WiFi was so bad, I couldn’t even watch an inflight movie.

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, New York?

    For as low as $495, Frontier can have you in Islip, New York from Dallas/Fort Worth Airport in 9h 57m. The distance from Dallas/Fort Worth Airport to Islip, New York is about 1425 mi. This flight may include one or multiple stops.

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

    According to our current data, Southwest ($218), offers the cheapest pricing from Dallas/Fort Worth Airport to Islip, New York. Southwest is priced at 48% 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 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 luglio 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$218Average$419FlexibilityNo 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