$51 Find Cheap Flights from Islip to the United States - Compare and Save

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Cheap Flights from Islip to the United States

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Sort by: Cheapest
Raleigh
1h 44mNonstop
from $102per person
Orlando
2h 45mNonstop
from $133per person
Tampa
2h 50mNonstop
from $162per person
Myrtle Beach
2h 00mNonstop
from $173per person
Fort Lauderdale
2h 57mNonstop
from $179per person
Fort Myers
3h 00mNonstop
from $198per person
Boston
1h 20mNonstop
from $246per person
Nashville
4h 15m2 stops
from $252per person
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Booking Insights

KAYAK's insights & trends for Islip to the United States flights

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

What is the cheapest Islip to the United States flight route?

The cheapest ticket to the United States from Islip found in the last 5 days was to Orlando, at $128 round-trip. The most popular route is from Islip (ISP) to Orlando Airport (MCO), and the cheapest round-trip airline ticket found on this route in the last 5 days was $128.

Can I save money by flying with a layover from Islip to the United States?

No, with an average price for the route of $310, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Islip to the United States?

The cheapest month for flights from Islip to the United States is January, when tickets cost $229 (return) on average. On the other hand, the most expensive months are April and July, when the average cost of round-trip tickets is $338 and $318 respectively.

Good to know

Low season

September

Cheapest flight

$51
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Islip to Raleigh

FAQs - booking United States flights

  • How does KAYAK find such low prices on flights from Islip to the United States?

    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 the United States.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Islip to the United States 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 the United States?

    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 from Islip to the United States with an airline and back with another airline.

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

    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 from Islip to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to the United States

  • Looking for a cheap flight? 25% of our users found tickets from Islip to the following destinations at these prices or less: Baltimore $188 one-way - $349 round-trip; West Palm Beach $193 one-way - $312 round-trip; Orlando $105 one-way - $190 round-trip

Reviews of the top 5 airlines serving from Islip to the United States

 
Need help choosing which airline to fly with from Islip to the United States? 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.
8.2
Breeze AirwaysOverall score based on 323 reviews
8.8Crew
8.2Comfort
6.8Entertainment
8.4Boarding
6.8Food
Airline reviews

I thought I paid for a round trip for carry-on and my ticket only had one way when I purchased a round trip Didn't make sense to me .Not what you want to hear when it's time to go home.

8.0 ExcellentMark, Sep 2026
Read more Breeze Airways reviews

I thought I paid for a round trip for carry-on and my ticket only had one way when I purchased a round trip Didn't make sense to me .Not what you want to hear when it's time to go home.

Support for wheel chair was not good. Desk did not open until 2 hours before takeoff not check in time.

Boarding process was super smooth and the staff and crew were wonderful. Seats made me feel like I was being bent forward. Might be because I'm shorter and the puffy head rest pushes my head down. I would have liked to have been able to remove it

What entertainment!? Snack i bought was unusual and in very small quantity. Very limited selection of snacks to buy. Taste was mediocre.

Leg room was good. Seat pockets were good. Especially the one for menu. Personal Explanation for potential of needing help since i came on a wheelchair was excellent! That has never happened to me flying before. It happened before many passengers had boarded and the attendant leaned way over in front of me. Great help with my carry on since i was in a wheelchair. I was surprised about cost of drinks and snacks. Didn't know there was no free snack. I was cold on both legs of flight. Asked for a blanket but none was brought. Does Breeze even have them? Temperature was adjusted for a short time. Had to put on jacket and put a shirt from my carry on across my legs. Guy next to me pulled his collar up. My nose was cold to touch. I asked flight attendant if they always kept it that cold. She said she thought they had adjusted the temp. When i suggested she feel how cold my nose was, she said she would note it. Casual dress of crew was interesting to me. I thought tennis shoes was very practical. Observed the captain had gone to get food at a fast food place for the crew before we took off. They did not have time to go having moved from one plane to the next at a different gate than planned. Thought that was great commaradiery! And i told him so. Hard to reach call button and air control. Gate staff suggested we use restrooms before boarding since one on board was so small. Thought that was amusing and thoughtful. Pilot made announcements about delays--mechanical warning light, weather delay, traffic on runway and construction near gate and weather where we were landing. Interesting about crew having to do cleanup. Nice about offering upgrades a couple days before flight. Nice sbout sending reminder to check in.

Flying with this airline is a true nightmare. We got delayed than stranded on layovers due to maintenance issues both ways of our flight and there’s no way to communicate with anyone other than AI bots that are absolutely useless. Never again.

You get what you pay for. It’s like a bus but flying. No frills, no snacks. Leg room was fine, boarding was good.

This is one of the worst trips that I have ever had. Ending up with an overnight delay. I’m not happy with the fact that they did not provide and set up the arrangement needed for lodging that we had to do it on our own. I also feel there should’ve been Compensation for food.

The flight wasn’t big on frills, which is fine with me. I flew into Islip MacArthur Airport, which saved me from having to go through LaGuardia to visit friends on Long Island. It was inexpensive and super convenient!

Crew was inconsistent in instructions in advising passengers about seat backs during take off. Perfunctory announcements except from cabin.

I liked the new boarding process. I thought the buyup options (legroom, early boarding) to be easy to request and reasonably priced. All the Southwest team from gate to in-flight were so nice.

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

We had a 5 hour delay on the tarmac in Baltimore

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!

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.

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

It went well. Plane wasn't full. Will be great when assigned seating is in place

My bag was damaged and is now missing a wheel. I tried to buy a claim in on the website but it would not accept my confirmation # for submission. Other than that, everything else was good!

As always it was a pleasure to fly on southwest.

Packed old plane with uncomfortable seats. Great crew, especially Tara who was helpful to many. No water offered. Hard landing. Discount pricing is the benefit!

Flight was smooth. We boarded early and left Grand Rapids about a half hour ahead of schedule. We then arrived in Lakeland about 40 minutes early. Flights attendants (3) were welcoming and pleasant. Wish we would have at least been offered to buy a bottle of water. No beverage service at all.

I really liked the young man who checked me in and took my bags! He was so kind and was very helpful! I told my sister about the great service and him and she said that is why she flies Avelo Air.

The flight was delayed by a lot and the seats are pretty tight

Surprisingly was one of the better flights I’ve been on

Short 2-hour flight, we took off on time, ETA was earlier than stated, no interaction needed with stewards, no food, no entertainment on such a short flight.

Avelo provided exactly what I expected. They are a low-cost option with no frills but the experience was comfortable and the staff was great! I will be using them in the future for trips when cost is a priority for me.

Expect nothing and you will be fine. Seats are crammed.

Terrible landing. Uncomfortable seats. Great cabin crew-helpful and pleasant!

Tight fit in middle seat but OK for short flight. Crew was more interested in talking to each other than helping passengers - strickingly dissappointing. DAB is a great airport. New Haven sucks! Excellent value for the .

The plane was filthy and worn - the seat pockets were stuffed with tattered food and torn pamphlets. The cleaning crew that came on as we were deboarding were grabbing handfulls of trash and perfunctorily wiping down tables with dishrags. It's been a while since I flew Jetblue and it used to be a great experience. After this flight I will avoid flying Jetblue again if there is any alternative.

JFK is the worst airport and JetBlue is the worst airline

Very poor help no one answering a question regarding seating. Very rude staff. They don’t care, as if it’s not part of their job. Flight was delayed for no good reason and no apologies given.

You did a great job rescheduling my cancelled flight. However, you made me pay for two seats for $118 even though the seats on the original flight were free. I think that was a very unfair thing to do.

A more comfortable seat. Padding would be really helpful but I've read the airlines don't want customers to be satisfied with economy seats.

Everything was good except checking bags . I had paid for two bags but it didn’t show so we had to do it again while people waited and we were struggling to get to our flight

Plane was delayed multiple times. I would like to request a refund. Was due to arrive Thursday evening ended up arriving Friday morning.

The security line at JFK was one of the longest I’ve ever experienced - probably 45 minutes. I don’t know if JetBlue has control over it, but it detracted from the overall experience. Entertainment had good options, but the volume control was a bit small to tap on and the screen had a fair amount of interference blips. Clearer picture would have been better.

I liked the entertainment on JetBlue, the service from JFK to JAX was terrible at best

I usually dont fly JeTBlue and I dont think I will ever do it again. The flight was delayed fee time, nobody was giving us any info at at the airport, gate changing, the slowest and poorly organized boarding ever, rude staff.. huh

Frontier is good until they cancel your flight. Way too many cancellations.

Flight was delayed but it was very smooth. Crew was very nice. Seats are uncomfortable but ok.

The crew acted like they had never done this and kept barking passive aggressive orders at people. + the security line + the delay + sitting on the tarmac for 2 hours + none of the apps or signage updating with correct times

I was 2 hr arrive in the airport and 45 min in the line . After take to my turn . The agent tell me I’m later . I can not board . So my vacation was going to the floor . Just for their bad customer service agent in the airline

Since they are a budget airline, I wasn’t expecting too much but they did some things well. They were on time, the plane was clean, boarding was fairly straightforward and the staff was cheerful and friendly. The only downside was comfort. The seats were fairly hard and after a 2 hour flight your rear end is not feeling so great. Maybe a little more cushion in the seats, Frontier!

Crew was excellent. Plane was small cramped Airbus A320. Seats were narrow.

They never updated the boarding pass on their apps to show their delay

Flight was a little late taking off. Seats are too upright, no ports to charge devices, no wifi, no entertainment

Be prepared for crowds and chaos upon arrival at the Orlando airport

Frontier system that tracts what you’ve paid for is horrible. I brought bags, tried to upgrade the weight of bag. Did it via the text service on their site. Got to the airport and they had no idea what was going on. Ended up paying way more than I was supposed to

More options for your flight from Islip to the United States

Complete your trip to the United States with a hotel stay or car rental