HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dallas/Fort Worth

$122+ Cheap flights from Islip, NY (ISP) to Dallas/Fort Worth (DFW)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DFW
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Dallas/Fort Worth 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 Islip to Dallas/Fort Worth

Cheapest flights from Islip to Dallas/Fort Worth
Explore the most affordable flight options available from Islip to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.

This Frontier deal was found by Cheapflights users on 7/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:09 pm
ISP
-
DFW
1 stop13h 24m
Frontier
Mon 8/318:05 pm
DFW
-
ISP
1 stop12h 48m
Frontier
Deal found 7/10$242
This Frontier deal was found by Cheapflights users on 7/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:09 pm
ISP
-
DFW
1 stop13h 24m
Frontier
Sun 8/308:05 pm
DFW
-
ISP
1 stop12h 48m
Frontier
Deal found 7/9$243
This Orbitz deal was found by Cheapflights users on 7/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:57 am
ISP
-
DFW
1 stop25h 12m
Frontier
Mon 8/105:30 am
DFW
-
ISP
1 stop12h 31m
Frontier
Deal found 7/9$246
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:57 am
ISP
-
DFW
1 stop9h 03m
Multiple Airlines
Mon 8/3110:08 am
DFW
-
ISP
2 stops26h 20m
Multiple Airlines
Deal found 7/11$261
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:57 am
ISP
-
DFW
2 stops26h 19m
Multiple Airlines
Tue 9/18:35 am
DFW
-
ISP
1 stop7h 12m
Multiple Airlines
Deal found 7/9$270
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:00 pm
ISP
-
DFW
2 stops27h 50m
Multiple Airlines
Tue 10/69:44 pm
DFW
-
ISP
1 stop10h 49m
Multiple Airlines
Deal found 7/9$281
This Orbitz deal was found by Cheapflights users on 7/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:55 pm
ISP
-
DFW
1 stop25h 29m
Frontier
Mon 11/27:45 pm
DFW
-
ISP
1 stop17h 48m
Frontier
Deal found 7/13$290
This Expedia deal was found by Cheapflights users on 7/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:46 pm
ISP
-
DFW
1 stop17h 37m
Frontier
Fri 7/315:30 am
DFW
-
ISP
1 stop12h 31m
Frontier
Deal found 7/10$294
This Frontier deal was found by Cheapflights users on 7/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:57 am
ISP
-
DFW
1 stop9h 18m
Frontier
Mon 8/105:30 am
DFW
-
ISP
1 stop12h 31m
Frontier
Deal found 7/10$314
This Frontier deal was found by Cheapflights users on 7/12. 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 8/2610:57 am
ISP
-
DFW
1 stop9h 03m
Frontier
Wed 9/28:05 pm
DFW
-
ISP
1 stop12h 48m
Frontier
Deal found 7/12$315
This Expedia deal was found by Cheapflights users on 7/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:46 pm
ISP
-
DFW
1 stop17h 37m
Frontier
Sat 8/155:30 am
DFW
-
ISP
1 stop12h 31m
Frontier
Deal found 7/11$318

Find flight deals from Islip to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Dallas/Fort Worth (DFW). 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 July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$242
(Frontier)

One-way from

$122
(Frontier)

Popular in

July

Cheapest in

October

Average price

$585
Provider with most accurate pricing for Islip Long Island-Dallas/Fort Worth flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Dallas/Fort Worth flights.
Search Deals
From Islip Long Island to Dallas/Fort Worth
Search Deals
One-way flight from Islip Long Island to Dallas/Fort Worth
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 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 Islip to Dallas/Fort Worth 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 July 14, 2026.
Use the filters below to find and compare flights from Islip to Dallas/Fort Worth Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 8/23

7:09 pm-7:33 am

1 stop13h 24m

Dallas/Fort Worth

Sun 8/30

10:08 am-7:01 pm

1 stop7h 53m

$242
Quickest round-trip

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 8/28

10:57 am-7:00 pm

1 stop9h 03m

Dallas/Fort Worth

Sun 8/30

10:08 am-7:01 pm

1 stop7h 53m

$242

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 8/26

10:57 am-7:00 pm

1 stop9h 03m

Dallas/Fort Worth

Wed 9/2

8:05 pm-9:53 am

1 stop12h 48m

$315

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 8/7

10:57 am-7:15 pm

1 stop9h 18m

Dallas/Fort Worth

Sat 8/8

5:30 am-7:01 pm

1 stop12h 31m

$338

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 7/31

10:57 am-7:15 pm

1 stop9h 18m

Dallas/Fort Worth

Sun 8/2

8:14 pm-9:53 am

1 stop12h 39m

$398

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 8/6

6:00 am-3:15 pm

1 stop10h 15m

Dallas/Fort Worth

Wed 8/12

11:44 am-9:44 pm

1 stop9h 00m

$409

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 10/14

6:00 am-3:15 pm

1 stop10h 15m

Dallas/Fort Worth

Fri 10/23

1:25 pm-9:35 pm

1 stop7h 10m

$471

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 10/29

6:00 am-3:15 pm

1 stop10h 15m

Dallas/Fort Worth

Fri 10/30

1:25 pm-9:37 pm

1 stop7h 12m

$503

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 10/30

6:00 am-3:15 pm

1 stop10h 15m

Dallas/Fort Worth

Sun 11/1

1:25 pm-9:37 pm

1 stop7h 12m

$553

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 8/6

6:00 am-3:15 pm

1 stop10h 15m

Dallas/Fort Worth

Sun 8/9

11:39 am-10:04 pm

1 stop9h 25m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Islip to Dallas/Fort Worth

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 Islip to Dallas/Fort Worth 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 Islip, New York-Dallas/Fort Worth Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Dallas/Fort Worth Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Dallas/Fort Worth Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Dallas/Fort Worth Airport 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 Islip, New York-Dallas/Fort Worth Airport 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 Islip to Dallas/Fort Worth

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

Reviews of airlines servicing Dallas/Fort Worth

Get insights into the airlines that provide service to Dallas/Fort Worth. 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/Fort Worth. Reviews last updated July 14, 2026.
Peruse reviews from past customers who have flown with Southwest and Frontier from Islip to Dallas/Fort Worth Airport to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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
4,249 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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.
Frontier
5.6
Fair
2,813 reviews
Southwest
8.0
Very good
4,249 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Crew

8.6

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 Islip to Dallas/Fort Worth. 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/Fort Worth?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Dallas/Fort Worth. 2 airlines have flights from Long Island to Dallas/Fort Worth on a regular basis. Booking flights from Islip Long Island to Dallas/Fort Worth should not be difficult; the airport handles an average of 0 outbound flights to Dallas/Fort Worth per day.

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

    A quick flight from Islip, New York to Dallas/Fort Worth Airport can take about 13h 24m. Frontier provides one of the quickest options available for as low as $242. The distance between Islip, New York and Dallas/Fort Worth Airport is about 1425 mi.

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

    Flying on Frontier is currently your cheapest option to Dallas/Fort Worth Airport, with prices starting at $115. Another option worth looking into is Southwest, starting at $253 round trip. Frontier is priced at 71% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Fort Worth
Rockwall
Arlington
Garland
Plano
Allen
Denton
Grapevine
Cedar Hill
Durant
Frisco
Lewisville
Richardson
McKinney
Burleson
Mansfield
Hillsboro
Sherman
Canton
Stephenville

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 Islip to Dallas/Fort Worth

Discover the top 2 airlines that operate flights from Islip to Dallas/Fort Worth. 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 July 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$198FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$253Average$392FlexibilityNo 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.