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

For as low as $473, Frontier can have you in Islip, New York from Dallas in 10h 07m. Airlines will cover a distance of 1425 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest airline to fly from Dallas to Islip, New York round-trip?

Our cheapest airline available from Dallas to Islip, New York is Southwest. Our recent data shows that you can find tickets from as low as $218 on this airline. You may be able to fly from Dallas to Islip, New York for 51% less than the average price by searching for this airline.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from DFW to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dallas to Islip, New York as you normally would.

What airport do you fly into for flights to Islip from Dallas?

Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Dallas to Islip. 1 airline have flights to Long Island from Dallas on a regular basis. Booking flights from Dallas to Islip Long Island should not be difficult; the airport handles an average of 0 inbound flights from Dallas per day.

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

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

How can I find direct flights from Dallas to Islip?

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

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

Yes. Cheapflights offers flight deals from Dallas 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.

$108+ Cheap Flights from Dallas to Islip, NY

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dallas 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 to Islip

Cheapest

Best

Last-minute

One-way

Cheapest flights from Dallas to Islip
Explore the most affordable flight options available from Dallas to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Tue 9/229:54 pm -

1 stop18h 04m

Wed 9/305:43 pm -

1 stop15h 24m

Deal found 8/23

$244

Mon 9/217:48 pm -

2 stops20h 10m

Mon 9/285:43 pm -

1 stop15h 24m

Deal found 8/23

$267

Mon 9/217:48 pm -

2 stops20h 10m

Wed 9/305:43 pm -

1 stop15h 24m

Deal found 8/23

$270

Thu 9/173:20 pm -

1 stop25h 43m

Sun 9/206:48 pm -

1 stop20h 27m

Deal found 8/27

$271

Mon 9/217:48 pm -

2 stops20h 10m

Sat 10/35:43 pm -

1 stop15h 24m

Deal found 8/23

$274

Wed 9/231:35 pm -

1 stop26h 23m

Tue 9/295:43 pm -

2 stops26h 00m

Deal found 8/23

$282

Mon 9/217:48 pm -

2 stops20h 10m

Thu 10/15:43 pm -

1 stop15h 24m

Deal found 8/23

$284

Wed 9/239:54 pm -

1 stop18h 04m

Wed 9/305:43 pm -

2 stops19h 29m

Deal found 8/23

$292

Fri 9/259:54 pm -

1 stop18h 04m

Wed 9/305:43 pm -

2 stops19h 29m

Deal found 8/23

$293

Sun 9/209:21 am -

1 stop6h 37m

Sun 9/275:43 pm -

1 stop15h 29m

Deal found 8/23

$296

Best flights from Dallas to Islip
Discover carefully curated flight deals from Dallas to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Thu 9/173:20 pm -

1 stop25h 43m

Sun 9/206:48 pm -

1 stop20h 27m

Deal found 8/27

$271

Thu 10/112:15 pm -

1 stop10h 07m

Sun 10/47:00 am -

1 stop9h 29m

Deal found 8/22

$473

Tue 9/88:05 pm -

1 stop19h 53m

Sat 9/125:43 pm -

2 stops21h 25m

Deal found 8/24

$413

Thu 9/2412:15 pm -

1 stop10h 07m

Sat 9/267:00 am -

1 stop9h 29m

Deal found 8/23

$502

Mon 9/2812:15 pm -

1 stop10h 07m

Sun 10/47:00 am -

1 stop9h 29m

Deal found 8/24

$503

Mon 9/2812:15 pm -

1 stop10h 07m

Sat 10/37:00 am -

1 stop9h 29m

Deal found 8/24

$503

Fri 10/212:15 pm -

1 stop10h 07m

Sun 10/47:00 am -

1 stop9h 29m

Deal found 8/22

$518

Wed 10/281:33 pm -

1 stop7h 04m

Sun 11/16:00 am -

1 stop11h 16m

Deal found 8/24

$542

Sat 10/312:15 pm -

1 stop10h 07m

Mon 10/57:00 am -

1 stop9h 29m

Deal found 8/25

$561

Fri 9/1812:15 pm -

1 stop10h 07m

Mon 9/217:00 am -

1 stop9h 29m

Deal found 8/23

$576

Last-minute flights from Dallas to Islip
Discover last-minute flight deals from Dallas to Islip. Data last updated August 27, 2026 and is based on user searches.

Thu 9/173:20 pm -

1 stop25h 43m

Sun 9/206:48 pm -

1 stop20h 27m

Deal found 8/27

$271

Sun 9/209:21 am -

1 stop6h 37m

Sun 9/275:43 pm -

1 stop15h 29m

Deal found 8/23

$296

Mon 9/217:48 pm -

2 stops20h 10m

Mon 9/285:43 pm -

1 stop15h 24m

Deal found 8/23

$267

Mon 9/217:48 pm -

2 stops20h 10m

Wed 9/305:43 pm -

1 stop15h 24m

Deal found 8/23

$270

Mon 9/217:48 pm -

2 stops20h 10m

Sat 10/35:43 pm -

1 stop15h 24m

Deal found 8/23

$274

Mon 9/217:48 pm -

2 stops20h 10m

Thu 10/15:43 pm -

1 stop15h 24m

Deal found 8/23

$284

Tue 9/229:54 pm -

1 stop18h 04m

Wed 9/305:43 pm -

1 stop15h 24m

Deal found 8/23

$244

Wed 9/231:35 pm -

1 stop26h 23m

Tue 9/295:43 pm -

2 stops26h 00m

Deal found 8/23

$282

Wed 9/239:54 pm -

1 stop18h 04m

Wed 9/305:43 pm -

2 stops19h 29m

Deal found 8/23

$292

Fri 9/259:54 pm -

1 stop18h 04m

Wed 9/305:43 pm -

2 stops19h 29m

Deal found 8/23

$293

One-way flights from Dallas to Islip
Search for one-way flight options from Dallas to Islip. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Tue 9/299:21 am -

1 stop6h 37m

Deal found 8/24

$108

Thu 9/173:20 pm -

1 stop25h 43m

Deal found 8/25

$114

Mon 9/289:21 am -

1 stop6h 37m

Deal found 8/24

$118

Fri 9/181:35 pm -

1 stop26h 23m

Deal found 8/25

$124

Wed 9/231:23 pm -

2 stops26h 35m

Deal found 8/24

$131

Sun 9/209:21 am -

1 stop6h 37m

Deal found 8/26

$140

Sun 11/19:22 am -

1 stop7h 09m

Deal found 8/22

$144

Thu 9/172:52 pm -

3 stops49h 06m

Deal found 8/25

$159

Sat 9/129:21 am -

1 stop6h 37m

Deal found 8/26

$165

Sun 9/610:08 am -

1 stop7h 53m

Deal found 8/22

$173

Sat 9/58:28 am -

1 stop8h 46m

Deal found 8/22

$174

Mon 9/78:05 pm -

1 stop12h 48m

Deal found 8/22

$179

Find flight deals from Dallas to Islip

Round-trip from	$236 (CheapOair)
One-way from	$108 (Frontier)
Popular in	November
Cheapest in	February
Average price	$347

From Dallas to Islip Long Island

Search Deals

One-way flight from Dallas to Islip Long Island

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($114 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Thu 9/17

3:20 pm-6:03 pm

1 stop25h 43m

Islip Long Island

Sun 9/20

6:48 pm-2:15 pm

1 stop20h 27m

$271

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Tue 9/8

8:05 pm-4:58 pm

1 stop19h 53m

Islip Long Island

Sat 9/12

5:43 pm-2:08 pm

2 stops21h 25m

$413

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Thu 10/1

12:15 pm-11:22 pm

1 stop10h 07m

Islip Long Island

Sun 10/4

7:00 am-3:29 pm

1 stop9h 29m

$473

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Thu 9/24

12:15 pm-11:22 pm

1 stop10h 07m

Islip Long Island

Sat 9/26

7:00 am-3:29 pm

1 stop9h 29m

$502

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Mon 9/28

12:15 pm-11:22 pm

1 stop10h 07m

Islip Long Island

Sun 10/4

7:00 am-3:29 pm

1 stop9h 29m

$503

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Mon 9/28

12:15 pm-11:22 pm

1 stop10h 07m

Islip Long Island

Sat 10/3

7:00 am-3:29 pm

1 stop9h 29m

$503

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Fri 10/2

12:15 pm-11:22 pm

1 stop10h 07m

Islip Long Island

Sun 10/4

7:00 am-3:29 pm

1 stop9h 29m

$518

Quickest round-trip

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Wed 10/28

1:33 pm-9:37 pm

1 stop7h 04m

Islip Long Island

Sun 11/1

6:00 am-4:16 pm

1 stop11h 16m

$542

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Sat 10/3

12:15 pm-11:22 pm

1 stop10h 07m

Islip Long Island

Mon 10/5

7:00 am-3:29 pm

1 stop9h 29m

$561

DallasIslip

DFW Dallas/Fort Worth - ISP Islip Long Island

DFWISP

Dallas/Fort Worth

Fri 9/18

12:15 pm-11:22 pm

1 stop10h 07m

Islip Long Island

Mon 9/21

7:00 am-3:29 pm

1 stop9h 29m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/26

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Dallas to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Dallas with our price prediction graph.

A78-ISP

DFW-ISP

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 to Islip

A78-ISP

DFW-ISP

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

Currently, February is the cheapest month in which you can book a flight from Dallas to Islip, New York (average of $218). Flying from Dallas to Islip, New York in November is currently the most expensive (average of $726). 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.

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

Airfare is below average for this route at the moment.

Dallas to Islip, New York flights typically cost between $413 and $556 in September.
The cheapest round-trip price found within the last 5 days was $244 on Frontier (Sep 22-Sep 30).

Reviews of airlines servicing Islip

Read reviews from past customers who have flown Southwest from Dallas to Islip. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,204 reviews

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

4,204 reviews

Southwest

8.0

Very good

4,204 reviews

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

What airport do you fly into for flights to Islip from Dallas?
Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Dallas to Islip. 1 airline have flights to Long Island from Dallas on a regular basis. Booking flights from Dallas to Islip Long Island should not be difficult; the airport handles an average of 0 inbound flights from Dallas per day.
How long is the flight from Dallas to Islip, New York?
For as low as $473, Frontier can have you in Islip, New York from Dallas in 10h 07m. Airlines will cover a distance of 1425 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What is the cheapest airline to fly from Dallas to Islip, New York round-trip?
Our cheapest airline available from Dallas to Islip, New York is Southwest. Our recent data shows that you can find tickets from as low as $218 on this airline. You may be able to fly from Dallas to Islip, New York for 51% less than the average price by searching for this airline.
Can I find deals for flights from Dallas to Islip that include hotel bookings?
Yes. In addition to deals on Dallas to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dallas to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas to Islip.
Can I find deals for business class flights from Dallas to Islip?
Yes. Cheapflights offers flight deals from Dallas 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 to Islip, New York?
Currently, February is the cheapest month in which you can book a flight from Dallas to Islip, New York (average of $218). Flying from Dallas to Islip, New York in November is currently the most expensive (average of $726). 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

Riverhead

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Flights by cabin class

Islip flight routes

Other flight options

Popular flights

Alternative routes for Dallas to Islip

Dallas/Fort Worth to LaGuardia flights

Dallas/Fort Worth to Newark flights

Dallas/Fort Worth to John F Kennedy Intl flights

Hobby to LaGuardia flights

Hobby to Newark flights

George Bush Intcntl to LaGuardia flights

George Bush Intcntl to Newark flights

Austin to John F Kennedy Intl flights

Hobby to John F Kennedy Intl flights

Austin to Newark flights

George Bush Intcntl to John F Kennedy Intl flights

Austin to LaGuardia flights

Love Field to LaGuardia flights

San Antonio to Newark flights

Dallas/Fort Worth to Stewart flights

San Antonio to John F Kennedy Intl flights

Dallas/Fort Worth to Buffalo flights

San Antonio to LaGuardia flights

Hobby to Buffalo flights

Love Field to Newark flights

George Bush Intcntl to Stewart flights

Dallas/Fort Worth to Islip flights

El Paso to John F Kennedy Intl flights

George Bush Intcntl to Buffalo flights

Love Field to John F Kennedy Intl flights

McAllen to John F Kennedy Intl flights

El Paso to Newark flights

Dallas/Fort Worth to Albany flights

McAllen to LaGuardia flights

McAllen to Newark flights

Dallas/Fort Worth to White Plains flights

El Paso to LaGuardia flights

Love Field to Buffalo flights

Hobby to Rochester flights

Dallas/Fort Worth to Rochester flights

Austin to Rochester flights

Dallas/Fort Worth to Syracuse flights

Austin to White Plains flights

Hobby to Albany flights

Austin to Buffalo flights

George Bush Intcntl to White Plains flights

Austin to Albany flights

George Bush Intcntl to Rochester flights

George Bush Intcntl to Albany flights

Austin to Islip flights

Austin to Syracuse flights

Hobby to Islip flights

George Bush Intcntl to Islip flights

Top airline flying from Dallas to Islip

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$218	Average$413	FlexibilityNo cancel fee	On-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.

$108+ Cheap flights from Dallas 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dallas to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dallas to Islip

Cheapest flights from Dallas to IslipExplore the most affordable flight options available from Dallas to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Explore the most affordable flight options available from Dallas to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Best flights from Dallas to IslipDiscover carefully curated flight deals from Dallas to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Discover carefully curated flight deals from Dallas to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Last-minute flights from Dallas to IslipDiscover last-minute flight deals from Dallas to Islip. Data last updated August 27, 2026 and is based on user searches.

Discover last-minute flight deals from Dallas to Islip. Data last updated August 27, 2026 and is based on user searches.

One-way flights from Dallas to IslipSearch for one-way flight options from Dallas to Islip. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Search for one-way flight options from Dallas to Islip. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Find flight deals from Dallas to Islip

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dallas to Islip that are best for you.

Best time to book a flight from Dallas to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Dallas with our price prediction graph.

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

Dallas to Islip, New York flights typically cost between $413 and $556 in September.The cheapest round-trip price found within the last 5 days was $244 on Frontier (Sep 22-Sep 30).

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 August 27, 2026.

Read reviews from past customers who have flown Southwest from Dallas to Islip. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Islip from Dallas?

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

What is the cheapest airline to fly from Dallas to Islip, New York round-trip?

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

How can I find direct flights from Dallas to Islip?

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

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

Traveling to a place near Islip?

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 Dallas to Islip

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Islip by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dallas to Islip by cabin class

Find flights from Dallas to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Islip

Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.

Dallas and Islip flights

Browse other Dallas and Islip flight options. Last updated on August 27, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top airline flying from Dallas to Islip

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dallas to Islip
Explore the most affordable flight options available from Dallas to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.

Best flights from Dallas to Islip
Discover carefully curated flight deals from Dallas to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.

Last-minute flights from Dallas to Islip
Discover last-minute flight deals from Dallas to Islip. Data last updated August 27, 2026 and is based on user searches.

One-way flights from Dallas to Islip
Search for one-way flight options from Dallas to Islip. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.

Dallas to Islip, New York flights typically cost between $413 and $556 in September.
The cheapest round-trip price found within the last 5 days was $244 on Frontier (Sep 22-Sep 30).