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Cheap flights from Islip to Salt Lake City from $245

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 Salt Lake City departing on 10/8. 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 Salt Lake City

Cheap round-trip flights

Frontier Logo
4:58 pm - 7:32 amISP-SLC
16h 34m2 stops
Frontier Logo
2:52 pm - 9:44 amSLC-ISP
16h 52m2 stops
$245Frontier
Find Deal
Wed, Oct 8 - Mon, Oct 20
Frontier Logo
11:40 am - 7:32 amISP-SLC
21h 52m2 stops
Frontier Logo
4:02 pm - 10:40 amSLC-ISP
16h 38m2 stops
$246Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Frontier Logo
4:58 pm - 7:32 amISP-SLC
16h 34m2 stops
Frontier Logo
7:02 pm - 10:57 amSLC-ISP
13h 55m2 stops
$270Frontier
Find Deal
Wed, Oct 8 - Tue, Oct 21
Frontier Logo
4:58 pm - 7:32 amISP-SLC
16h 34m2 stops
Frontier Logo
10:05 pm - 10:37 amSLC-ISP
10h 32m2 stops
$279Frontier
Find Deal
Wed, Oct 8 - Sun, Oct 19
Frontier Logo
4:58 pm - 7:32 amISP-SLC
16h 34m2 stops
Frontier Logo
10:05 pm - 10:37 amSLC-ISP
10h 32m2 stops
$293Frontier
Find Deal
Wed, Oct 8 - Thu, Oct 16
Logo
5:05 pm - 5:15 pmISP-SLC
50h 10m2 stops
Logo
2:09 pm - 10:40 amSLC-ISP
18h 31m1 stop
$330
Find Deal
Mon, Sep 22 - Mon, Sep 29
Southwest Logo
5:50 am - 11:50 amISP-SLC
8h 00m1 stop
Southwest Logo
2:10 pm - 11:50 pmSLC-ISP
7h 40m1 stop
$418Southwest
Find Deal
Fri, Nov 14 - Sun, Nov 16
Southwest Logo
6:05 am - 12:50 pmISP-SLC
8h 45m1 stop
Southwest Logo
9:55 am - 10:05 pmSLC-ISP
10h 10m2 stops
$421Southwest
Find Deal
Tue, Sep 30 - Tue, Oct 7
Southwest Logo
5:50 am - 11:50 amISP-SLC
8h 00m1 stop
Southwest Logo
10:55 am - 11:50 pmSLC-ISP
10h 55m2 stops
$423Southwest
Find Deal
Fri, Nov 14 - Sun, Nov 16
Southwest Logo
4:00 pm - 10:15 pmISP-SLC
8h 15m2 stops
Southwest Logo
9:55 am - 10:05 pmSLC-ISP
10h 10m2 stops
$426Southwest
Find Deal
Tue, Sep 30 - Tue, Oct 7

Frontier flights from Islip to Salt Lake City

Our best Frontier deals on Islip to Salt Lake City flight tickets
Frontier
Oct 8
ISP4:58 pmIslip Long Island
16h 34m
2 stops
SLC7:32 amSalt Lake City
Oct 20
SLC2:52 pmSalt Lake City
16h 52m
2 stops
ISP9:44 amIslip Long Island
$245
Find similar
Frontier
Sep 25
ISP11:40 amIslip Long Island
21h 52m
2 stops
SLC7:32 amSalt Lake City
Sep 29
SLC4:02 pmSalt Lake City
16h 38m
2 stops
ISP10:40 amIslip Long Island
$246
Find similar
Frontier
Oct 8
ISP4:58 pmIslip Long Island
16h 34m
2 stops
SLC7:32 amSalt Lake City
Oct 21
SLC7:02 pmSalt Lake City
13h 55m
2 stops
ISP10:57 amIslip Long Island
$270
Find similar

Southwest flights from Islip to Salt Lake City

Our best Southwest deals on Islip to Salt Lake City flight tickets
Southwest
Nov 14
ISP5:50 amIslip Long Island
8h 00m
1 stop
SLC11:50 amSalt Lake City
Nov 16
SLC2:10 pmSalt Lake City
7h 40m
1 stop
ISP11:50 pmIslip Long Island
$418
Find similar
Southwest
Sep 30
ISP6:05 amIslip Long Island
8h 45m
1 stop
SLC12:50 pmSalt Lake City
Oct 7
SLC9:55 amSalt Lake City
10h 10m
2 stops
ISP10:05 pmIslip Long Island
$421
Find similar
Southwest
Nov 14
ISP5:50 amIslip Long Island
8h 00m
1 stop
SLC11:50 amSalt Lake City
Nov 16
SLC10:55 amSalt Lake City
10h 55m
2 stops
ISP11:50 pmIslip Long Island
$423
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Islip to Salt Lake City 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 4, 2025.
Use the filters below to find and compare flights from Islip to Salt Lake City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Wed 10/8

4:58 pm-7:32 am

2 stops16h 34m

Salt Lake City

Mon 10/20

2:52 pm-9:44 am

2 stops16h 52m

$245

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Thu 9/25

11:40 am-7:32 am

2 stops21h 52m

Salt Lake City

Mon 9/29

4:02 pm-10:40 am

2 stops16h 38m

$246

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Wed 10/8

4:58 pm-7:32 am

2 stops16h 34m

Salt Lake City

Tue 10/21

7:02 pm-10:57 am

2 stops13h 55m

$270

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Wed 10/8

4:58 pm-7:32 am

2 stops16h 34m

Salt Lake City

Sun 10/19

10:05 pm-10:37 am

2 stops10h 32m

$279

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Wed 10/8

4:58 pm-7:32 am

2 stops16h 34m

Salt Lake City

Thu 10/16

10:05 pm-10:37 am

2 stops10h 32m

$293

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Mon 9/22

5:05 pm-5:15 pm

2 stops50h 10m

Salt Lake City

Mon 9/29

2:09 pm-10:40 am

1 stop18h 31m

$330

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Fri 11/14

5:50 am-11:50 am

1 stop8h 00m

Salt Lake City

Sun 11/16

2:10 pm-11:50 pm

1 stop7h 40m

$418

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Tue 9/30

6:05 am-12:50 pm

1 stop8h 45m

Salt Lake City

Tue 10/7

9:55 am-10:05 pm

2 stops10h 10m

$421

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Fri 11/14

5:50 am-11:50 am

1 stop8h 00m

Salt Lake City

Sun 11/16

10:55 am-11:50 pm

2 stops10h 55m

$423

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Tue 9/30

4:00 pm-10:15 pm

2 stops8h 15m

Salt Lake City

Tue 10/7

9:55 am-10:05 pm

2 stops10h 10m

$426

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Salt Lake City from

How to get the cheapest flight ticket from Islip to Salt Lake City

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 day to depart on your flight to Salt Lake City?

On average, the least expensive day to fly to Salt Lake City from Islip is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $429. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Salt Lake City on Sunday is $528.

What is the cheapest time of day to depart on your flight to Salt Lake City?

Our most recent data shows that the best time of day to fly to Salt Lake City is in the evening. Flights from Islip to Salt Lake City during this time can be as low as $445. At noon is when there is more demand to fly to Salt Lake City, so prices are often more expensive at around $568 per ticket.

Can stopping save me money on Islip to Salt Lake City flights?

You could potentially save up to 50% on your flight if you consider stops on a Islip to Salt Lake City flight.

When to book flights from Islip to Salt Lake City

Are you open to changing your travel dates? Check out the ideal times to fly from Islip to Salt Lake City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip to Salt Lake City (ISP to SLC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip to Salt Lake City

Direct flights

None
There are no direct flights from Islip to Salt Lake City. There are no popular flight routes from Islip to Salt Lake City.
Search flight deals

  • How far is Islip Long Island to Salt Lake City by plane?

    The distance between Islip Long Island and Salt Lake City is about 2006.1 mi. Typically, this will take 8h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Islip Long Island Airport to Salt Lake City Airport?

    Prices for flights from Islip Long Island Airport to Salt Lake City Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Islip Long Island Airport to Salt Lake City Airport?

  • How old do you have to be to fly from Islip Long Island Airport to Salt Lake City Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Salt Lake City Airport.

  • What documentation or ID do you need to fly to Salt Lake City Airport?

    The required travel and health documents for your Salt Lake City 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 Salt Lake City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Islip to Salt Lake City?

Best airlines flying from Islip to Salt Lake City

Compare and see reviews for airlines that fly from Islip to Salt Lake City with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $402Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Traveling to a place near Salt Lake City?

Book flights to Salt Lake City if you plan to visit one of these locations
Park City
Logan
West Valley City
Heber City
Midvale
Layton
Lehi
West Jordan
Sandy
Midway
Evanston
Clearfield
Draper
South Jordan
Farmington
Bountiful
Alta
Brighton

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Salt Lake City?

It is quick and easy to find Islip to Salt Lake City flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Salt Lake City that suits you.

Can I find flights from Islip to Salt Lake City with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Salt Lake City flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to Salt Lake City?

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

Of course. momondo tracks the price of Islip to Salt Lake City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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