$234+ Cheap flights from Islip, NY (ISP) to Utah
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SLC
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Utah with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Utah
Cheapest
Best
Last-minute
One-way
Cheapest flights from Islip to UtahExplore the most affordable flight options available from Islip to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Islip to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:40 pm
ISP
- SLC
2 stops9h 25m
Southwest
Wed 7/111:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/7![Southwest logo]()
$544
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:05 pm
ISP
- SLC
1 stop7h 55m
Southwest
Mon 6/2911:35 pm
SLC
- ISP
1 stop6h 30m
Southwest
Deal found 6/10![Southwest logo]()
$587
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:45 am
ISP
- SLC
2 stops10h 05m
Southwest
Thu 6/2511:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/9![Southwest logo]()
$842
Best flights from Islip to UtahDiscover carefully curated flight deals from Islip to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Islip to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:40 pm
ISP
- SLC
2 stops9h 25m
Southwest
Wed 7/111:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/7![Southwest logo]()
$544
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:05 pm
ISP
- SLC
1 stop7h 55m
Southwest
Mon 6/2911:35 pm
SLC
- ISP
1 stop6h 30m
Southwest
Deal found 6/10![Southwest logo]()
$587
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:45 am
ISP
- SLC
2 stops10h 05m
Southwest
Thu 6/2511:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/9![Southwest logo]()
$842
Last-minute flights from Islip to UtahDiscover last-minute flight deals from Islip to Utah. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Utah. Data last updated June 11, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/216:45 am
ISP
- SLC
2 stops10h 05m
Southwest
Thu 6/2511:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/9![Southwest logo]()
$842
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/253:05 pm
ISP
- SLC
1 stop7h 55m
Southwest
Mon 6/2911:35 pm
SLC
- ISP
1 stop6h 30m
Southwest
Deal found 6/10![Southwest logo]()
$587
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:40 pm
ISP
- SLC
2 stops9h 25m
Southwest
Wed 7/111:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/7![Southwest logo]()
$544
One-way flights from Islip to UtahSearch for one-way flight options from Islip to Utah. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Islip to Utah. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:20 am
ISP
- SLC
1 stop8h 20m
Southwest
Deal found 6/7![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:05 pm
ISP
- SLC
2 stops8h 25m
Southwest
Deal found 6/8![Southwest logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:49 pm
ISP
- SLC
3 stops42h 38m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:50 pm
ISP
- SLC
3 stops39h 41m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$262
Find flight deals from Islip to Utah
Keep the following information in mind while searching for Islip to Utah flight deals. Data was last updated June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $544 (Southwest) |
One-way from | $234 (Southwest) |
Popular in | December |
Cheapest in | August |
Average price | $458 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Utah 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, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Islip to Utah that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Tue 6/30
4:40 pm-12:05 am
2 stops9h 25m
Salt Lake City
Wed 7/1
11:35 pm-8:20 am
1 stop6h 45m
$544
Quickest round-trip
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Thu 6/25
3:05 pm-9:00 pm
1 stop7h 55m
Salt Lake City
Mon 6/29
11:35 pm-8:05 am
1 stop6h 30m
$587
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Sun 6/21
6:45 am-2:50 pm
2 stops10h 05m
Salt Lake City
Thu 6/25
11:35 pm-8:20 am
1 stop6h 45m
$842
Cheapest one-way
Quickest one-way
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Sun 8/30
10:20 am-4:40 pm
1 stop8h 20m
$234
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Thu 8/6
4:05 pm-10:30 pm
2 stops8h 25m
$239
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Sun 8/30
7:49 pm-12:27 pm
3 stops42h 38m
$261
Sorted by cheapest first
Best time to book a flight from Islip to Utah
Have a flexible travel schedule? Discover the best time to fly to Utah from Islip with our price prediction graph.
ISP-SLC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Islip to Utah
ISP-USUT
ISP-SLC
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Utah
Get insights into the airlines that provide service to Utah. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Utah. Reviews last updated June 11, 2026.
See what other customers who have flown with Southwest from Islip to Utah have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Islip to Utah. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Islip and Utah flights
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Islip to Utah flights
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Top airline flying from Islip to Utah
Discover the top airline that operate flights from Islip to Utah. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$402 | Average$638 | FlexibilityNo cancel fee | On-time63% |