Cheap flights from Idaho to New York from $513

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to New York departing on 10/25. 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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0 bags

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Southwest Logo
5:15 am - 4:15 pmBOI-ISP
9h 00m2 stops
Southwest Logo
6:05 am - 2:05 pmISP-BOI
10h 00m2 stops
$513Southwest
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Sat, Oct 25 - Sat, Nov 1

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Islip 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 October 2, 2025.
Use the filters below to find and compare flights from Idaho to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Sat 10/25

5:15 am-4:15 pm

2 stops9h 00m

Islip Long Island

Sat 11/1

6:05 am-2:05 pm

2 stops10h 00m

$513

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Sat 11/8

6:28 am-7:45 pm

2 stops11h 17m

$590

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Thu 10/30

8:50 pm-11:04 am

2 stops12h 14m

$591

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Tue 10/7

6:30 am-8:01 pm

2 stops11h 31m

$712

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Wed 10/8

6:30 am-8:01 pm

2 stops11h 31m

$742

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Sun 10/12

6:30 am-8:01 pm

2 stops11h 31m

$802

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Sun 11/30

9:42 pm-11:04 am

2 stops11h 22m

$951

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Tue 10/14

6:30 am-8:01 pm

2 stops11h 31m

$1,065

BoiseIslip

BOI - ISP

BOIISP

Boise Air Term. Gowen Fld

Mon 10/13

6:30 am-8:01 pm

2 stops11h 31m

$1,208

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Idaho to Islip

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 airlines fly to Islip?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Islip from Idaho according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Islip. Keep in mind that there are 5 different airlines that fly to Islip on a routine basis, so you have a few additional options to choose from.

Cheap Idaho to Islip flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Islip

Direct flights

None
There are no direct flights from Idaho to Islip. There are no popular flight routes from Idaho to Islip.
  • When did momondo last update prices for flights from Idaho to Islip Long Island Airport?

    Prices for flights from Idaho to Islip Long Island Airport refresh daily.

  • How old do you have to be to fly from Idaho to Islip Long Island Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Sag Harbor
Southampton
Amagansett

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Islip. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Idaho to Islip 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 Idaho to Islip right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Islip, momondo offers a useful price alert feature which will track prices for flights to Islip from Idaho and alert you when they change.

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1 adult
Sat 11/1
Sat 11/8

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