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Cheap flights from Islip, New York to Dallas from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Dallas departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Islip, New York to Dallas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:42 am - 6:57 pm
ISP
-
DFW
9h 15m1 stop
Frontier Logo
12:10 pm - 9:47 am
DFW
-
ISP
20h 37m1 stop
$156Frontier
Thu, Feb 26 - Sat, Feb 28
Frontier Logo
8:00 am - 7:08 pm
ISP
-
DFW
12h 08m1 stop
Frontier Logo
2:28 pm - 8:40 am
DFW
-
ISP
17h 12m1 stop
$175Frontier
Sat, Jan 17 - Sat, Jan 31
Frontier Logo
8:40 pm - 8:15 am
ISP
-
DFW
12h 35m1 stop
Frontier Logo
9:45 pm - 7:50 pm
DFW
-
ISP
21h 05m1 stop
$183Frontier
Thu, Jan 8 - Thu, Jan 15
Frontier Logo
7:41 pm - 11:12 am
ISP
-
DFW
16h 31m1 stop
Frontier Logo
8:02 pm - 10:40 am
DFW
-
ISP
13h 38m1 stop
$191Frontier
Fri, Feb 27 - Sun, Mar 1
Frontier Logo
8:00 am - 9:06 pm
ISP
-
DFW
14h 06m1 stop
Frontier Logo
11:59 am - 8:55 am
DFW
-
ISP
19h 56m1 stop
$204Frontier
Tue, Jan 13 - Wed, Jan 14
Frontier Logo
1:27 pm - 7:31 am
ISP
-
DFW
19h 04m1 stop
Frontier Logo
8:57 pm - 4:37 pm
DFW
-
ISP
18h 40m1 stop
$208Frontier
Fri, Dec 19 - Tue, Dec 30
Frontier Logo
6:00 am - 8:00 pm
ISP
-
DFW
15h 00m1 stop
Frontier Logo
2:59 pm - 11:25 am
DFW
-
ISP
19h 26m1 stop
$209Frontier
Sat, Dec 20 - Wed, Dec 31
Frontier Logo
9:43 pm - 4:13 pm
ISP
-
DFW
19h 30m1 stop
Frontier Logo
8:12 pm - 6:48 pm
DFW
-
ISP
21h 36m1 stop
$211Frontier
Fri, Jan 23 - Sun, Jan 25
Frontier Logo
8:40 pm - 8:15 am
ISP
-
DFW
12h 35m1 stop
Frontier Logo
11:59 am - 10:46 pm
DFW
-
ISP
9h 47m1 stop
$217Frontier
Sun, Jan 11 - Wed, Jan 14
Frontier Logo
8:19 pm - 6:57 pm
ISP
-
DFW
23h 38m1 stop
Frontier Logo
8:02 pm - 7:11 pm
DFW
-
ISP
22h 09m1 stop
$218Frontier
Sun, Mar 8 - Wed, Mar 11

Frontier flights from Islip, New York to Dallas/Fort Worth Airport

Our best Frontier deals on Islip, New York to Dallas/Fort Worth Airport flight tickets
Frontier
Feb 26
ISP10:42 amIslip Long Island
9h 15m
1 stop
DFW6:57 pmDallas/Fort Worth
Feb 28
DFW12:10 pmDallas/Fort Worth
20h 37m
1 stop
ISP9:47 amIslip Long Island
$156
Find similar
Frontier
Jan 17
ISP8:00 amIslip Long Island
12h 08m
1 stop
DFW7:08 pmDallas/Fort Worth
Jan 31
DFW2:28 pmDallas/Fort Worth
17h 12m
1 stop
ISP8:40 amIslip Long Island
$175
Find similar
Frontier
Jan 8
ISP8:40 pmIslip Long Island
12h 35m
1 stop
DFW8:15 amDallas/Fort Worth
Jan 15
DFW9:45 pmDallas/Fort Worth
21h 05m
1 stop
ISP7:50 pmIslip Long Island
$183
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Dallas/Fort Worth Airport 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, momondo users made 832,500 searches. Data last updated December 7, 2025.
Use the filters below to find and compare flights from Islip, New York to Dallas/Fort Worth Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 2/26

10:42 am-6:57 pm

1 stop9h 15m

Dallas/Fort Worth

Sat 2/28

12:10 pm-9:47 am

1 stop20h 37m

$156

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 1/17

8:00 am-7:08 pm

1 stop12h 08m

Dallas/Fort Worth

Sat 1/31

2:28 pm-8:40 am

1 stop17h 12m

$175

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 1/8

8:40 pm-8:15 am

1 stop12h 35m

Dallas/Fort Worth

Thu 1/15

9:45 pm-7:50 pm

1 stop21h 05m

$183

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 2/27

7:41 pm-11:12 am

1 stop16h 31m

Dallas/Fort Worth

Sun 3/1

8:02 pm-10:40 am

1 stop13h 38m

$191

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Tue 1/13

8:00 am-9:06 pm

1 stop14h 06m

Dallas/Fort Worth

Wed 1/14

11:59 am-8:55 am

1 stop19h 56m

$204

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 12/19

1:27 pm-7:31 am

1 stop19h 04m

Dallas/Fort Worth

Tue 12/30

8:57 pm-4:37 pm

1 stop18h 40m

$208

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 12/20

6:00 am-8:00 pm

1 stop15h 00m

Dallas/Fort Worth

Wed 12/31

2:59 pm-11:25 am

1 stop19h 26m

$209

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 1/23

9:43 pm-4:13 pm

1 stop19h 30m

Dallas/Fort Worth

Sun 1/25

8:12 pm-6:48 pm

1 stop21h 36m

$211

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 1/11

8:40 pm-8:15 am

1 stop12h 35m

Dallas/Fort Worth

Wed 1/14

11:59 am-10:46 pm

1 stop9h 47m

$217

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 3/8

8:19 pm-6:57 pm

1 stop23h 38m

Dallas/Fort Worth

Wed 3/11

8:02 pm-7:11 pm

1 stop22h 09m

$218

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Islip, New York to Dallas/Fort Worth Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dallas/Fort Worth Airport?

The cheapest month to fly to Dallas/Fort Worth Airport from Islip, New York is in February. Flight prices, which tend to average around $199, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in February, then October is your next best option. Flight prices from Islip, New York to Dallas/Fort Worth Airport during October average around $203.

What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?

On average, the least expensive day to fly to Dallas/Fort Worth Airport from Islip, New York is on a Friday. momondo users have found tickets for Friday departures for as low as $321. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Islip, New York to Dallas/Fort Worth Airport for around $440.

What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?

Flying to Dallas/Fort Worth Airport from Islip, New York in the evening is the least expensive time of day to depart. momondo users have found prices as low as $249 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $384 on average. Flights to Dallas/Fort Worth Airport from Islip, New York in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Islip, New York to Dallas/Fort Worth Airport flights?

You could potentially save up to 57% on your flight if you consider stops on a Islip, New York to Dallas/Fort Worth Airport flight.

When to book flights from Islip, New York to Dallas/Fort Worth Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Dallas/Fort Worth Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Dallas/Fort Worth Airport (ISP to DFW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Dallas/Fort Worth Airport

Fastest flight time

8h 40m

Direct flights

None
The fastest flight from Islip, New York to Dallas/Fort Worth Airport takes 8h 40m
There are no direct flights from Islip, New York to Dallas/Fort Worth Airport. There are no popular flight routes from Islip, New York to Dallas/Fort Worth Airport.
Search flight deals

  • How far is Islip Long Island to Dallas/Fort Worth by plane?

    The distance between Islip Long Island and Dallas/Fort Worth is about 1418.1 mi. By plane, this route typically takes 8h 40m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Dallas/Fort Worth Airport?

    Prices for flights from Islip Long Island Airport to Dallas/Fort Worth Airport refresh daily.

  • How many operators does momondo search for flights from Islip Long Island Airport to Dallas/Fort Worth Airport?

  • How old do you have to be to fly from Islip Long Island Airport to Dallas/Fort Worth Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Dallas/Fort Worth Airport.

  • What documentation or ID do you need to fly to Dallas/Fort Worth Airport?

    The travel and health documents required for your trip to Dallas/Fort Worth Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Dallas/Fort Worth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Islip, New York to Dallas/Fort Worth Airport?

Best airlines flying from Islip, New York to Dallas/Fort Worth Airport

Compare and see reviews for airlines that fly from Islip, New York to Dallas/Fort Worth Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $52Free CancellationRating
5.8
3,089 reviews
Search Frontier flights
SouthwestPriceFrom $268Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Traveling to a place near Dallas?

Book flights to Dallas if you plan to visit one of these locations
Fort Worth
Arlington
Frisco
Plano
Grapevine
Irving
Denton
Thackerville
Grand Prairie
McKinney
Durant
Rockwall
Garland
Richardson
Lewisville
Addison
Ardmore
Allen
Waxahachie
Granbury

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Dallas?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Dallas. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Dallas with flexible booking policies on momondo?

Yes. All flights to Dallas from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to Dallas?

Once all potential Islip to Dallas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Islip to Dallas right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Islip to Dallas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dallas and let you know when they change.

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