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Islip

$71+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — ISP
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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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 December 12, 2025.

This CheapOair deal was found by Cheapflights users on 12/9. 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.
Thu 12/119:00 pmDFW - ISP
1 stop21h 34mFrontier
Tue 12/168:29 pmISP - DFW
1 stop12h 46mFrontier
Deal found 12/9$254
This CheapOair deal was found by Cheapflights users on 12/11. 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.
Thu 12/119:00 pmDFW - ISP
1 stop21h 34mFrontier
Thu 12/1812:20 pmISP - DFW
1 stop20h 11mFrontier
Deal found 12/11$279
This CheapOair deal was found by Cheapflights users on 12/11. 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.
Tue 12/308:55 pmDFW - ISP
1 stop24h 22mFrontier
Fri 1/22:04 pmISP - DFW
1 stop18h 27mFrontier
Deal found 12/11$283
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Sat 12/139:00 pmDFW - ISP
1 stop12h 20mFrontier
Mon 12/1510:19 amISP - DFW
1 stop22h 56mFrontier
Deal found 12/10$285
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Thu 12/119:00 pmDFW - ISP
1 stop21h 34mFrontier
Sat 12/1310:19 amISP - DFW
1 stop22h 27mFrontier
Deal found 12/10$305
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Fri 12/121:10 pmDFW - ISP
1 stop9h 49mFrontier
Sun 12/218:35 pmISP - DFW
1 stop11h 56mFrontier
Deal found 12/10$308
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Wed 12/1710:15 amDFW - ISP
1 stop11h 29mFrontier
Sun 12/212:04 pmISP - DFW
1 stop18h 27mFrontier
Deal found 12/10$309
This CheapOair deal was found by Cheapflights users on 12/11. 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.
Mon 12/159:12 pmDFW - ISP
1 stop21h 22mFrontier
Fri 12/191:27 pmISP - DFW
1 stop19h 04mFrontier
Deal found 12/11$319
This CheapOair deal was found by Cheapflights users on 12/11. 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.
Fri 12/121:10 pmDFW - ISP
1 stop9h 49mFrontier
Mon 12/226:25 amISP - DFW
1 stop14h 35mFrontier
Deal found 12/11$334
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Sun 12/149:00 pmDFW - ISP
1 stop11h 13mFrontier
Sun 12/212:04 pmISP - DFW
1 stop18h 27mFrontier
Deal found 12/10$338
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Thu 12/119:00 pmDFW - ISP
1 stop21h 34mFrontier
Sun 12/1411:15 amISP - DFW
1 stop21h 26mFrontier
Deal found 12/10$339

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$129
(CheapOair)

One-way from

$71
(CheapOair)

Popular in

November

Cheapest in

April

Average price

$706
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. 24% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Wed 2/11

9:30 am-2:39 pm

1 stop28h 09m

Islip Long Island

Fri 2/27

8:33 am-4:54 pm

1 stop9h 21m

$129

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Sat 1/24

2:28 pm-8:40 am

1 stop17h 12m

Islip Long Island

Mon 1/26

7:43 pm-5:41 pm

1 stop22h 58m

$129

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Tue 2/10

9:00 am-1:13 pm

1 stop27h 13m

Islip Long Island

Thu 2/19

5:07 pm-12:01 pm

1 stop19h 54m

$183

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Sat 1/10

11:32 am-7:08 pm

1 stop6h 36m

Islip Long Island

Thu 1/15

7:58 pm-12:01 pm

1 stop17h 03m

$183

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Thu 1/8

12:04 pm-7:45 pm

1 stop6h 41m

Islip Long Island

Sat 1/10

7:56 pm-8:15 am

1 stop13h 19m

$183

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Tue 2/10

9:00 am-1:13 pm

1 stop27h 13m

Islip Long Island

Wed 2/25

2:03 pm-10:23 am

1 stop21h 20m

$183

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Wed 1/7

2:40 pm-7:45 pm

1 stop28h 05m

Islip Long Island

Tue 1/13

8:00 am-9:06 pm

1 stop14h 06m

$183

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Fri 1/23

1:23 pm-8:47 pm

1 stop6h 24m

Islip Long Island

Mon 1/26

7:43 pm-5:41 pm

1 stop22h 58m

$211

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Sat 1/17

11:33 am-10:46 pm

1 stop10h 13m

Islip Long Island

Sun 1/18

1:42 pm-8:45 pm

1 stop8h 03m

$237

DallasIslip

DFW - ISP

DFWISP

Dallas/Fort Worth

Thu 1/15

9:45 pm-7:50 pm

1 stop21h 05m

Islip Long Island

Sun 1/18

1:42 pm-8:45 pm

1 stop8h 03m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dallas/Fort Worth Airport-Islip, New York flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

Currently, November is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Islip, New York (average of $67). Flying from Dallas/Fort Worth Airport 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/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 December 12, 2025.

When flying from Dallas/Fort Worth Airport to Islip, New York, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% 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 December 12, 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
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Boarding

8.1

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, New York?

    For as low as $129, Frontier can have you in Islip, New York from Dallas/Fort Worth Airport in 28h 09m. The distance from Dallas/Fort Worth Airport to Islip, New York is about 1425 mi.

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

    According to our current data, Southwest ($290), offers the cheapest pricing from Dallas/Fort Worth Airport to Islip, New York. Southwest is priced at 33% 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.

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

    Currently, November is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Islip, New York (average of $67). Flying from Dallas/Fort Worth Airport 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/Fort Worth to Islip

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$290Average$431FlexibilityNo cancel feeOn-time63%

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