ISP - DFW

$71 Find Cheap Flights from Islip to Dallas

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to Dallas/Fort Worth departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Dallas/Fort Worth Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Dallas, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Dallas, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$156
Typical prices: $172-$646
Frontier
Mon 1/26Sat 1/31
ISP - DFW • 1 stop
Cheapest one-way
$71
Frontier
Sat 2/21
ISP - DFW • 1 stop
When to travel
February
Cheapest • 49% price drop
November
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dallas/Fort Worth!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Islip to Dallas/Fort Worth (ISP-DFW)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to Dallas/Fort Worth that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Dallas/Fort Worth

Mon, Jan 26 - Sat, Jan 31
Frontier Logo
7:43 pm - 5:41 pm
ISP
-
DFW
22h 58m1 stop
Frontier Logo
2:28 pm - 8:40 am
DFW
-
ISP
17h 12m1 stop
$156Frontier
Sat, Jan 17 - Sat, Jan 24
Frontier Logo
8:00 am - 9:08 am
ISP
-
DFW
26h 08m1 stop
Frontier Logo
2:28 pm - 8:40 am
DFW
-
ISP
17h 12m1 stop
$175Frontier
Thu, Jan 8 - Thu, Jan 15
Frontier Logo
8:40 pm - 8:15 am
ISP
-
DFW
12h 35m1 stop
Frontier Logo
11:51 am - 7:03 pm
DFW
-
ISP
6h 12m1 stop
$182Frontier
Mon, Jan 5 - Thu, Jan 15
Frontier Logo
2:04 pm - 1:30 pm
ISP
-
DFW
24h 26m1 stop
Frontier Logo
8:12 pm - 8:09 pm
DFW
-
ISP
22h 57m1 stop
$183Frontier
Sun, Jan 11 - Sat, Jan 24
Frontier Logo
8:40 pm - 8:15 am
ISP
-
DFW
12h 35m1 stop
Frontier Logo
11:30 am - 8:40 am
DFW
-
ISP
20h 10m1 stop
$191Frontier
Wed, Jan 14 - Mon, Jan 19
Multiple Airlines Logo
8:00 am - 6:10 pm
ISP
-
DFW
11h 10m1 stop
Multiple Airlines Logo
8:40 pm - 11:10 am
DFW
-
ISP
37h 30m2 stops
$199Multiple Airlines
Tue, Jan 13 - Sat, Jan 17
Frontier Logo
8:00 am - 9:06 pm
ISP
-
DFW
14h 06m1 stop
Frontier Logo
8:18 pm - 8:55 am
DFW
-
ISP
11h 37m1 stop
$202Frontier
Sun, Jan 11 - Wed, Jan 14
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
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
8:40 pm - 8:15 am
ISP
-
DFW
12h 35m1 stop
Frontier Logo
7:57 pm - 7:51 pm
DFW
-
ISP
22h 54m1 stop
$218Frontier
Mon, Feb 9 - Sat, Feb 14
Multiple Airlines Logo
2:31 pm - 5:09 pm
ISP
-
DFW
27h 38m2 stops
Multiple Airlines Logo
8:25 am - 7:28 pm
DFW
-
ISP
10h 03m1 stop
$221Multiple Airlines
Booking Insights

KAYAK's insights & trends for Islip to Dallas/Fort Worth flights

Get data-powered insights and trends into flights from Islip to Dallas/Fort Worth to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Islip, New York to Dallas/Fort Worth Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Islip, New York to Dallas/Fort Worth Airport departing in January.

What’s the cheapest day of the week to fly from Islip to Dallas?

The average price of all round-trip flights from Islip to Dallas/Fort Worth Airport clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Dallas on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from Islip to Dallas. For your return ticket, we recommend flying on a Tuesday and avoiding Saturdays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Islip to Dallas/Fort Worth Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Islip to Dallas/Fort Worth Airport is February, where tickets cost $199 (return) on average. On the other hand, the most expensive months are April and January, where the average cost of round-trip tickets is $780 and $590 respectively.

Good to know

Low seasonJuly
Cheapest flight$71
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly and prices are also 34% lower on average.
Flight from Islip to Dallas

When to book flights from Islip to Dallas/Fort Worth

Are your dates flexible? Find out the best times to travel from Islip to Dallas/Fort Worth based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Islip to Dallas flights

  • What is the cheapest flight from Islip to Dallas/Fort Worth Airport?

    In the last 3 days, the lowest price for a flight from Islip to Dallas/Fort Worth Airport was $71 for a one-way ticket and $156 for a round-trip.

  • Do I need a passport to fly between Islip and Dallas?

    No

  • Which aircraft models fly most regularly from Islip to Dallas?

    We unfortunately don’t have that data for this specific route.

  • Which is the best airline for flights from Islip to Dallas, Southwest or Frontier?

    The two airlines most popular with KAYAK users for flights from Islip to Dallas are Southwest and Frontier. With an average price for the route of $426 and an overall rating of 7.9, Southwest is the most popular choice. Frontier is also a great choice for the route, with an average price of $200 and an overall rating of 5.8.

  • How does KAYAK find such low prices on flights from Islip to Dallas?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to Dallas.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Dallas?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dallas from Islip is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to Dallas?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dallas with an airline and back to Islip with another airline. Booking your flights between Islip and DFW can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Dallas?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dallas from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Islip to Dallas/Fort Worth

 
See real verified KAYAK customer reviews for airlines flying from Islip to Dallas. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Islip to Dallas/Fort Worth? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4252 reviews
8.0Comfort
8.1Boarding
7.5Entertainment
8.6Crew
7.0Food
Airline reviews

Airline travel is always too cramped to really be pleasant, but the cabin crew on this flight did a pretty good job of making up for it by putting on some music during boarding and sprinkling a few funny remarks into the safety briefing and announcements, and just generally being friendly and helpful. It definitely reminded me of why I prefer the in-flight experience on Southwest!

10.0 ExcellentDavid, Nov 2025
BUF - PHX
Read more Southwest reviews

Airline travel is always too cramped to really be pleasant, but the cabin crew on this flight did a pretty good job of making up for it by putting on some music during boarding and sprinkling a few funny remarks into the safety briefing and announcements, and just generally being friendly and helpful. It definitely reminded me of why I prefer the in-flight experience on Southwest!

No delays and arrived to destination 30 min early. Staff was super friendly.

Everything a cheap airline should be at normal airline rates.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

I was re-booked onto another flight because my original flight was delayed and I would have missed my connector. I ended up in the “C” group after paying extra to be in the “A “ group on the original flight. At least if you’re going to re-book people, re-book them into the same group.

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

It was one and half hour late... Not sure if any other experience matters.

Multiple delays and gate changes. Arrived at final destination 6 hours late. All rental cars had been taken.

It was 2 hours 45 minutes late, for no apparently clear reason.

Not clean and was told I would get a great seat and it was not great at all

Flight got delayed for 5 hours no good explanation was offered ;(

Horrible. I would never fly Frontier again. The booking process is tricky at best, but fraudulent in my opinion. Frontier customer service did nothing to rectify my purchase -- I ended up paying more than double what I could have gotten from other airlines and nearly triple what I thought I was buying from Frontier. Their booking practices are unfair to the consumer.

Delayed. Text notifications were slow. Not much information o what was happening. Boarding was slow and confusing. Wasn’t even offered water other flight. Had to ask. No entertainment at all. Felt like.a Greyhound bus.

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

Better than expected. Staff were friendly and nice on both flights.

There was no one at the counter to assist with our check in. The app didn’t work, so I arrived at the airport with time to check in and I couldn’t because no employees were there. When I finally got someone on the phone, it was inside the 60min rule and they said I could no longer check in and they could sell me another ticket. We had to scramble and pay an additional $800 for tickets and THEN AFTER (about 60 min from my original convo with customer service and 10min after original departure time) I had boarded my new flight, there was email saying my original flight from Frontier was delayed and leaving 2hr 50min later, but I STILL wouldn’t have been able to check in. Which means customer service should have been able to see it and let me check in because I was well within my check in time. When I call Frontier, they hang up on me. So their app didn’t work and they employees left and they take zero responsibility or assistance with their “customer service”

Terrible. Flight cancelled with no reasoning and no flights to rebook. Employees were useless and did nothing to help. Did not even know where to retrieve luggage from the cancelled flight. Flyers beware.

No fault of Frontier staff: plane was very late, reached Orlando at 1 am, took a while to get luggage. Weather, gov financial shutdown impact on TSA, air controllers seemed to have multiple flights backed up. Frontier staff seemed to cope as gracefully as possible. It did reassure me that I and my new hip could adapt to travel challenges. Food/entertainment were irrelevant to my trip.

Terrible. The canceled my entire flight when I requested a refund for a trip frontier canceled trip one way.

Everything you need to know for your flight from Islip to Dallas/Fort Worth

Information on your arrival and departure airports