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Cheap flights from Islip to Dallas from $153

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip to Dallas departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip to Dallas

Cheap round-trip flights

Frontier Logo
11:35 am - 10:04 amISP-DFW
23h 29m1 stop
Frontier Logo
8:18 pm - 8:42 pmDFW-ISP
23h 24m1 stop
$153Frontier
Find Deal
Wed, Oct 1 - Mon, Oct 6
Frontier Logo
9:27 pm - 7:57 amISP-DFW
11h 30m1 stop
Frontier Logo
9:10 pm - 10:37 amDFW-ISP
12h 27m1 stop
$163Frontier
Find Deal
Sun, Nov 2 - Thu, Nov 13
Frontier Logo
9:54 am - 7:41 pmISP-DFW
10h 47m1 stop
Frontier Logo
8:41 pm - 10:55 amDFW-ISP
13h 14m1 stop
$168Frontier
Find Deal
Fri, Oct 31 - Fri, Nov 7
Frontier Logo
11:25 am - 7:49 amISP-DFW
21h 24m1 stop
Frontier Logo
8:11 pm - 9:04 amDFW-ISP
11h 53m1 stop
$188Frontier
Find Deal
Sun, Oct 5 - Thu, Oct 9
Frontier Logo
5:12 pm - 2:48 pmISP-DFW
22h 36m1 stop
Frontier Logo
8:11 pm - 9:04 amDFW-ISP
11h 53m1 stop
$190Frontier
Find Deal
Sun, Oct 5 - Thu, Oct 9
Frontier Logo
5:18 pm - 2:48 pmISP-DFW
22h 30m1 stop
Frontier Logo
8:18 pm - 10:40 amDFW-ISP
13h 22m1 stop
$193Frontier
Find Deal
Sat, Oct 4 - Sun, Oct 5
Frontier Logo
4:58 pm - 9:50 amISP-DFW
17h 52m1 stop
Frontier Logo
7:46 pm - 8:42 pmDFW-ISP
23h 56m1 stop
$194Frontier
Find Deal
Sat, Oct 11 - Mon, Oct 13
Frontier Logo
4:58 pm - 1:58 pmISP-DFW
22h 00m1 stop
Frontier Logo
8:59 pm - 5:42 pmDFW-ISP
19h 43m1 stop
$196Frontier
Find Deal
Fri, Oct 24 - Wed, Oct 29
Multiple Airlines Logo
5:05 pm - 9:02 amISP-DFW
16h 57m1 stop
Multiple Airlines Logo
5:12 pm - 10:40 amDFW-ISP
16h 28m1 stop
$229Multiple Airlines
Find Deal
Mon, Sep 29 - Thu, Oct 2
Multiple Airlines Logo
4:58 pm - 9:36 pmISP-DFW
29h 38m1 stop
Multiple Airlines Logo
6:41 am - 8:42 pmDFW-ISP
13h 01m2 stops
$254Multiple Airlines
Find Deal
Mon, Oct 20 - Thu, Oct 23

Frontier flights from Islip to Dallas/Fort Worth Airport

Our best Frontier deals on Islip to Dallas/Fort Worth Airport flight tickets
Frontier
Oct 1
ISP11:35 amIslip Long Island
23h 29m
1 stop
DFW10:04 amDallas/Fort Worth
Oct 6
DFW8:18 pmDallas/Fort Worth
23h 24m
1 stop
ISP8:42 pmIslip Long Island
$153
Find similar
Frontier
Nov 2
ISP9:27 pmIslip Long Island
11h 30m
1 stop
DFW7:57 amDallas/Fort Worth
Nov 13
DFW9:10 pmDallas/Fort Worth
12h 27m
1 stop
ISP10:37 amIslip Long Island
$163
Find similar
Frontier
Oct 31
ISP9:54 amIslip Long Island
10h 47m
1 stop
DFW7:41 pmDallas/Fort Worth
Nov 7
DFW8:41 pmDallas/Fort Worth
13h 14m
1 stop
ISP10:55 amIslip Long Island
$168
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Islip 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 September 17, 2025.
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

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 10/1

11:35 am-10:04 am

1 stop23h 29m

Dallas/Fort Worth

Mon 10/6

8:18 pm-8:42 pm

1 stop23h 24m

$153

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 11/2

9:27 pm-7:57 am

1 stop11h 30m

Dallas/Fort Worth

Thu 11/13

9:10 pm-10:37 am

1 stop12h 27m

$163

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 10/31

9:54 am-7:41 pm

1 stop10h 47m

Dallas/Fort Worth

Fri 11/7

8:41 pm-10:55 am

1 stop13h 14m

$168

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 10/5

11:25 am-7:49 am

1 stop21h 24m

Dallas/Fort Worth

Thu 10/9

8:11 pm-9:04 am

1 stop11h 53m

$188

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 10/5

5:12 pm-2:48 pm

1 stop22h 36m

Dallas/Fort Worth

Thu 10/9

8:11 pm-9:04 am

1 stop11h 53m

$190

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 10/4

5:18 pm-2:48 pm

1 stop22h 30m

Dallas/Fort Worth

Sun 10/5

8:18 pm-10:40 am

1 stop13h 22m

$193

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 10/11

4:58 pm-9:50 am

1 stop17h 52m

Dallas/Fort Worth

Mon 10/13

7:46 pm-8:42 pm

1 stop23h 56m

$194

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 10/24

4:58 pm-1:58 pm

1 stop22h 00m

Dallas/Fort Worth

Wed 10/29

8:59 pm-5:42 pm

1 stop19h 43m

$196

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 9/29

5:05 pm-9:02 am

1 stop16h 57m

Dallas/Fort Worth

Thu 10/2

5:12 pm-10:40 am

1 stop16h 28m

$229

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 10/20

4:58 pm-9:36 pm

1 stop29h 38m

Dallas/Fort Worth

Thu 10/23

6:41 am-8:42 pm

2 stops13h 01m

$254

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 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 typical price of a round-trip flight between Islip and Dallas/Fort Worth Airport?

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

The cheapest month to fly to Dallas/Fort Worth Airport from Islip 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 to Dallas/Fort Worth Airport during October average around $255.

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 is on a Friday. momondo users have found tickets for Friday departures for as low as $332. 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 to Dallas/Fort Worth Airport for around $453.

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 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 $398 on average. Flights to Dallas/Fort Worth Airport from Islip 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 to Dallas/Fort Worth Airport flights?

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

When to book flights from Islip to Dallas/Fort Worth Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip 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 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 to Dallas/Fort Worth Airport

Direct flights

None
There are no direct flights from Islip to Dallas/Fort Worth Airport. There are no popular flight routes from Islip 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 10h 12m.

  • 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 to Dallas/Fort Worth Airport?

Best airlines flying from Islip to Dallas/Fort Worth Airport

Compare and see reviews for airlines that fly from Islip to Dallas/Fort Worth Airport with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $268Free CancellationRating
8.0
4,242 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
Irving
Grapevine
Plano
Denton
Thackerville
Grand Prairie
Garland
McKinney
Durant
Rockwall
Richardson
Lewisville
Ardmore
Addison
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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