HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dallas

$105+ Cheap flights from Islip, NY (ISP) to Dallas

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DFW
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Dallas 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

Cheapest flights from Islip to Dallas
Explore the most affordable flight options available from Islip to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.

This Frontier deal was found by Cheapflights users on 5/4. 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 5/2711:00 am
ISP
-
DFW
1 stop8h 38m
Frontier
Tue 6/210:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 5/4$210
This Frontier deal was found by Cheapflights users on 5/1. 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.
Sat 5/2311:00 am
ISP
-
DFW
1 stop8h 01m
Frontier
Thu 5/2810:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 5/1$230
This CheapOair deal was found by Cheapflights users on 5/1. 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 5/811:00 am
ISP
-
DFW
1 stop27h 18m
Frontier
Fri 5/1510:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 5/1$231
This Frontier deal was found by Cheapflights users on 5/1. 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 5/2811:00 am
ISP
-
DFW
1 stop8h 14m
Frontier
Tue 6/210:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 5/1$250
This Frontier deal was found by Cheapflights users on 5/5. 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.
Sat 7/410:48 am
ISP
-
DFW
1 stop11h 43m
Frontier
Sat 7/185:30 am
DFW
-
ISP
1 stop12h 33m
Frontier
Deal found 5/5$270
This Frontier deal was found by Cheapflights users on 5/2. 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 5/2111:12 am
ISP
-
DFW
1 stop8h 26m
Frontier
Tue 5/2610:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 5/2$280
This CheapOair deal was found by Cheapflights users on 5/1. 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 5/1311:00 am
ISP
-
DFW
1 stop24h 03m
Frontier
Fri 5/1510:00 pm
DFW
-
ISP
1 stop11h 05m
Frontier
Deal found 5/1$285
This CheapOair deal was found by Cheapflights users on 5/2. 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 5/96:43 pm
ISP
-
DFW
1 stop18h 28m
Frontier
Wed 5/208:17 pm
DFW
-
ISP
1 stop13h 10m
Frontier
Deal found 5/2$286
This CheapOair deal was found by Cheapflights users on 5/4. 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 6/411:00 am
ISP
-
DFW
1 stop24h 03m
Frontier
Sun 6/77:43 pm
DFW
-
ISP
1 stop13h 22m
Frontier
Deal found 5/4$290
This Frontier deal was found by Cheapflights users on 5/1. 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 6/311:00 am
ISP
-
DFW
1 stop8h 38m
Frontier
Wed 6/108:34 am
DFW
-
ISP
1 stop11h 23m
Frontier
Deal found 5/1$315
This CheapOair deal was found by Cheapflights users on 5/2. 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 5/1411:12 am
ISP
-
DFW
1 stop8h 02m
Frontier
Mon 5/187:43 pm
DFW
-
ISP
1 stop14h 17m
Frontier
Deal found 5/2$316
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/26:02 pm
ISP
-
DFW
1 stop14h 48m
Frontier
Tue 6/95:53 pm
DFW
-
ISP
1 stop26h 04m
Frontier
Deal found 5/5$325

Find flight deals from Islip to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Dallas (A78). 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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Frontier)

One-way from

$105
(Priceline)

Popular in

April

Cheapest in

October

Average price

$424
Provider with most accurate pricing for New York (NYC)-Dallas flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Dallas flights.
Search Deals
From Islip Long Island to Dallas
Search Deals
One-way flight from Islip Long Island to Dallas
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Dallas 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 May 6, 2026.
Use the filters below to find and compare flights from Islip to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 7/9

10:48 am-7:03 pm

1 stop9h 15m

Dallas/Fort Worth

Mon 7/13

5:30 am-7:03 pm

1 stop12h 33m

$250
Quickest round-trip

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 6/18

9:52 pm-7:39 am

1 stop10h 47m

Dallas/Fort Worth

Fri 6/19

11:39 am-8:57 pm

1 stop8h 18m

$270

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 5/21

11:12 am-6:38 pm

1 stop8h 26m

Dallas/Fort Worth

Tue 5/26

10:00 pm-10:05 am

1 stop11h 05m

$280

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 5/25

11:00 am-7:50 am

1 stop21h 50m

Dallas/Fort Worth

Wed 5/27

7:43 pm-10:05 am

1 stop13h 22m

$290

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 7/8

10:48 am-7:03 pm

1 stop9h 15m

Dallas/Fort Worth

Sat 7/11

5:30 am-7:03 pm

1 stop12h 33m

$329

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 6/5

11:00 am-6:14 pm

1 stop8h 14m

Dallas/Fort Worth

Sun 6/7

10:00 pm-10:05 am

1 stop11h 05m

$355

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 7/18

10:48 am-9:18 pm

1 stop11h 30m

Dallas/Fort Worth

Sat 7/25

5:30 am-7:03 pm

1 stop12h 33m

$355

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 5/15

11:00 am-6:14 pm

1 stop8h 14m

Dallas/Fort Worth

Mon 5/18

7:43 pm-11:00 am

1 stop14h 17m

$355

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 6/3

11:00 am-7:50 am

1 stop21h 50m

Dallas/Fort Worth

Mon 6/8

11:08 am-3:56 pm

1 stop27h 48m

$360

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Tue 6/16

7:18 pm-10:05 am

1 stop15h 47m

Dallas/Fort Worth

Thu 6/18

8:01 pm-8:57 pm

2 stops23h 56m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Islip to Dallas

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

Cheapflights Insights

Everything you need to know about your flight from Islip to Dallas

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

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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. Reviews last updated May 6, 2026.
Read through reviews of airlines operating flights from Islip to Dallas, such as Southwest and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,305 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
7.9
Good
4,305 reviews
Southwest
7.9
Good
4,305 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.6
Fair
2,964 reviews
Southwest
7.9
Good
4,305 reviews

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Islip to Dallas. 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?

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to Dallas. You should not have trouble finding flights to Dallas from Long Island; the airport handles an average of 0 outbound flights to Dallas per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Islip airport to Dallas. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

  • How long is the flight from Islip, New York to Dallas?

    A quick flight from Islip, New York to Dallas can take about 9h 15m. Frontier provides one of the quickest options available for as low as $250. Airlines will cover a distance of 1425 mi.

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

    Cheapflights users have booked flights from Islip, New York to Dallas round-trip from $115. Another airline that can offer you cheap pricing is Southwest. You may be able to fly from Islip, New York to Dallas for 70% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Dallas 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

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.

Alternative routes for Islip to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Hobby flights
John F Kennedy Intl to Hobby flights
Newark to Austin flights
LaGuardia to George Bush Intcntl flights
John F Kennedy Intl to George Bush Intcntl flights
Newark to George Bush Intcntl flights
Newark to Hobby flights
John F Kennedy Intl to Austin flights
LaGuardia to Austin flights
LaGuardia to Love Field flights
Newark to San Antonio flights
Newark to Love Field flights
LaGuardia to San Antonio flights
Stewart to Dallas/Fort Worth flights
Buffalo to Dallas/Fort Worth flights
Albany to Dallas/Fort Worth flights
Rochester to Dallas/Fort Worth flights
White Plains to Dallas/Fort Worth flights
Syracuse to Dallas/Fort Worth flights
Stewart to George Bush Intcntl flights
Syracuse to Hobby flights
Buffalo to Hobby flights
Newark to El Paso flights
John F Kennedy Intl to El Paso flights
Islip to Dallas/Fort Worth flights
Syracuse to George Bush Intcntl flights
Rochester to Hobby flights
Stewart to Austin flights
LaGuardia to El Paso flights
White Plains to Austin flights
Buffalo to George Bush Intcntl flights
White Plains to George Bush Intcntl flights
Rochester to George Bush Intcntl flights
Albany to Austin flights
White Plains to San Antonio flights
Rochester to Austin flights
Syracuse to Austin flights
Syracuse to San Antonio flights
Buffalo to Austin flights
Syracuse to El Paso flights
Albany to Hobby flights

Top 2 airlines flying from Islip to Dallas

Discover the top 2 airlines that operate flights from Islip to Dallas. 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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$115Average$198FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$253Average$336FlexibilityNo 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.