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Cheap flights from Islip, New York to Dallas from $91

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 3/5. 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, New York to Dallas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:15 pm - 7:50 pmISP-DFW
7h 35m1 stop
Frontier Logo
9:12 pm - 7:34 pmDFW-ISP
21h 22m1 stop
$182Frontier
Find Deal
Thu, Dec 4 - Mon, Dec 8
Frontier Logo
6:00 am - 7:46 amISP-DFW
26h 46m1 stop
Frontier Logo
9:00 pm - 7:34 pmDFW-ISP
21h 34m1 stop
$203Frontier
Find Deal
Wed, Dec 3 - Thu, Dec 4
Frontier Logo
12:00 pm - 6:38 pmISP-DFW
7h 38m1 stop
Frontier Logo
12:04 pm - 7:45 pmDFW-ISP
6h 41m1 stop
$204Frontier
Find Deal
Tue, Jan 6 - Thu, Jan 8
Frontier Logo
6:00 am - 7:46 amISP-DFW
26h 46m1 stop
Frontier Logo
9:00 pm - 9:13 amDFW-ISP
11h 13m1 stop
$207Frontier
Find Deal
Wed, Dec 3 - Sun, Dec 7
Frontier Logo
8:35 pm - 1:49 pmISP-DFW
18h 14m1 stop
Frontier Logo
8:55 pm - 10:17 pmDFW-ISP
24h 22m1 stop
$208Frontier
Find Deal
Fri, Dec 19 - Tue, Dec 23
Frontier Logo
8:40 pm - 8:15 amISP-DFW
12h 35m1 stop
Frontier Logo
7:57 pm - 7:51 pmDFW-ISP
22h 54m1 stop
$217Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
8:45 pm - 1:46 pmISP-DFW
18h 01m1 stop
Frontier Logo
6:38 pm - 12:57 pmDFW-ISP
17h 19m1 stop
$222Frontier
Find Deal
Thu, Jan 15 - Sat, Jan 17
Multiple Airlines Logo
11:15 am - 8:04 amISP-DFW
21h 49m1 stop
Multiple Airlines Logo
8:03 pm - 9:13 amDFW-ISP
36h 10m2 stops
$223Multiple Airlines
Find Deal
Sun, Dec 7 - Thu, Dec 11
Frontier Logo
10:19 am - 8:15 amISP-DFW
22h 56m1 stop
Frontier Logo
9:12 pm - 7:34 pmDFW-ISP
21h 22m1 stop
$224Frontier
Find Deal
Mon, Dec 8 - Mon, Dec 15
Frontier Logo
2:04 pm - 7:31 amISP-DFW
18h 27m1 stop
Frontier Logo
8:55 pm - 10:17 pmDFW-ISP
24h 22m1 stop
$227Frontier
Find Deal
Sun, Dec 21 - Tue, Dec 30

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
Dec 4
ISP1:15 pmIslip Long Island
7h 35m
1 stop
DFW7:50 pmDallas/Fort Worth
Dec 8
DFW9:12 pmDallas/Fort Worth
21h 22m
1 stop
ISP7:34 pmIslip Long Island
$182
Find similar
Frontier
Dec 3
ISP6:00 amIslip Long Island
26h 46m
1 stop
DFW7:46 amDallas/Fort Worth
Dec 4
DFW9:00 pmDallas/Fort Worth
21h 34m
1 stop
ISP7:34 pmIslip Long Island
$203
Find similar
Frontier
Jan 6
ISP12:00 pmIslip Long Island
7h 38m
1 stop
DFW6:38 pmDallas/Fort Worth
Jan 8
DFW12:04 pmDallas/Fort Worth
6h 41m
1 stop
ISP7:45 pmIslip Long Island
$204
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 November 23, 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 12/4

1:15 pm-7:50 pm

1 stop7h 35m

Dallas/Fort Worth

Mon 12/8

9:12 pm-7:34 pm

1 stop21h 22m

$182

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 12/3

6:00 am-7:46 am

1 stop26h 46m

Dallas/Fort Worth

Thu 12/4

9:00 pm-7:34 pm

1 stop21h 34m

$203

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Tue 1/6

12:00 pm-6:38 pm

1 stop7h 38m

Dallas/Fort Worth

Thu 1/8

12:04 pm-7:45 pm

1 stop6h 41m

$204

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 12/3

6:00 am-7:46 am

1 stop26h 46m

Dallas/Fort Worth

Sun 12/7

9:00 pm-9:13 am

1 stop11h 13m

$207

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 12/19

8:35 pm-1:49 pm

1 stop18h 14m

Dallas/Fort Worth

Tue 12/23

8:55 pm-10:17 pm

1 stop24h 22m

$208

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 1/8

8:40 pm-8:15 am

1 stop12h 35m

Dallas/Fort Worth

Sun 1/11

7:57 pm-7:51 pm

1 stop22h 54m

$217

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 1/15

8:45 pm-1:46 pm

1 stop18h 01m

Dallas/Fort Worth

Sat 1/17

6:38 pm-12:57 pm

1 stop17h 19m

$222

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 12/7

11:15 am-8:04 am

1 stop21h 49m

Dallas/Fort Worth

Thu 12/11

8:03 pm-9:13 am

2 stops36h 10m

$223

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 12/8

10:19 am-8:15 am

1 stop22h 56m

Dallas/Fort Worth

Mon 12/15

9:12 pm-7:34 pm

1 stop21h 22m

$224

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 12/21

2:04 pm-7:31 am

1 stop18h 27m

Dallas/Fort Worth

Tue 12/30

8:55 pm-10:17 pm

1 stop24h 22m

$227

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dallas from

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 $326. 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 $447.

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 $250 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 $388 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

Direct flights

None
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.
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  • 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 7h 35m.

  • 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
SouthwestPriceFrom $260Free 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
Grapevine
Plano
Irving
Denton
Thackerville
Grand Prairie
McKinney
Durant
Rockwall
Garland
Richardson
Ardmore
Lewisville
Addison
Allen
Granbury
Mansfield

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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