$239+ Cheap flights from Islip, NY to Salt Lake City (ISP - SLC)
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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SLC
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Salt Lake City 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 Salt Lake City
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Best
Last-minute
One-way
Cheapest flights from Islip to Salt Lake CityExplore the most affordable flight options available from Islip to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
Explore the most affordable flight options available from Islip to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2026.
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 7/1312:30 pm
ISP
- SLC
2 stops9h 05m
Southwest
Tue 7/2111:35 pm
SLC
- ISP
1 stop6h 30m
Southwest
Deal found 6/11![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 7/113:30 pm
ISP
- SLC
2 stops10h 45m
Southwest
Sat 7/185:25 am
SLC
- ISP
1 stop7h 25m
Southwest
Deal found 6/11![Southwest logo]()
$472
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:46 pm
ISP
- SLC
2 stops29h 58m
Frontier
Thu 7/168:16 am
SLC
- ISP
2 stops23h 37m
Frontier
Deal found 6/12![Frontier logo]()
$484
This Southwest deal was found by Cheapflights users on 6/12. 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.
Fri 7/103:05 pm
ISP
- SLC
1 stop7h 55m
Southwest
Thu 7/1611:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/12![Southwest logo]()
$503
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
Best flights from Islip to Salt Lake CityDiscover carefully curated flight deals from Islip to Salt Lake City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
Discover carefully curated flight deals from Islip to Salt Lake City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 13, 2026.
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 7/1312:30 pm
ISP
- SLC
2 stops9h 05m
Southwest
Tue 7/2111:35 pm
SLC
- ISP
1 stop6h 30m
Southwest
Deal found 6/11![Southwest logo]()
$471
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 7/113:30 pm
ISP
- SLC
2 stops10h 45m
Southwest
Sat 7/185:25 am
SLC
- ISP
1 stop7h 25m
Southwest
Deal found 6/11![Southwest logo]()
$472
This Southwest deal was found by Cheapflights users on 6/12. 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.
Fri 7/103:05 pm
ISP
- SLC
1 stop7h 55m
Southwest
Thu 7/1611:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/12![Southwest logo]()
$503
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 United deal was found by Cheapflights users on 6/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/119:00 am
ISP
- SLC
3 stops13h 56m
Multiple Airlines
Sat 7/187:00 am
SLC
- ISP
2 stops27h 30m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,724
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 Salt Lake CityDiscover last-minute flight deals from Islip to Salt Lake City. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Salt Lake City. Data last updated June 13, 2026 and is based on user searches.
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 Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:46 pm
ISP
- SLC
2 stops29h 58m
Frontier
Thu 7/168:16 am
SLC
- ISP
2 stops23h 37m
Frontier
Deal found 6/12![Frontier logo]()
$484
This Southwest deal was found by Cheapflights users on 6/12. 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.
Fri 7/103:05 pm
ISP
- SLC
1 stop7h 55m
Southwest
Thu 7/1611:35 pm
SLC
- ISP
1 stop6h 45m
Southwest
Deal found 6/12![Southwest logo]()
$503
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sat 7/113:30 pm
ISP
- SLC
2 stops10h 45m
Southwest
Sat 7/185:25 am
SLC
- ISP
1 stop7h 25m
Southwest
Deal found 6/11![Southwest logo]()
$472
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 7/1312:30 pm
ISP
- SLC
2 stops9h 05m
Southwest
Tue 7/2111:35 pm
SLC
- ISP
1 stop6h 30m
Southwest
Deal found 6/11![Southwest logo]()
$471
One-way flights from Islip to Salt Lake CitySearch for one-way flight options from Islip to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
Search for one-way flight options from Islip to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
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 6/8. 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
This Southwest deal was found by Cheapflights users on 6/11. 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.
Fri 6/263:05 pm
ISP
- SLC
1 stop7h 55m
Southwest
Deal found 6/11![Southwest logo]()
$294
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:52 pm
ISP
- SLC
2 stops26h 03m
Frontier
Deal found 6/12![Frontier logo]()
$355
This Southwest deal was found by Cheapflights users on 6/12. 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 6/286:00 am
ISP
- SLC
1 stop11h 30m
Southwest
Deal found 6/12![Southwest logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 6/262:28 pm
ISP
- SLC
3 stops27h 43m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$416
Find flight deals from Islip to Salt Lake City
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Salt Lake City (SLC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $471 (Southwest) |
One-way from | $239 (Southwest) |
Popular in | December |
Cheapest in | August |
Average price | $458 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 13, 2026.
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
Cheapest round-trip
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Mon 7/13
12:30 pm-7:35 pm
2 stops9h 05m
Salt Lake City
Tue 7/21
11:35 pm-8:05 am
1 stop6h 30m
$471
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Sat 7/11
3:30 pm-12:15 am
2 stops10h 45m
Salt Lake City
Sat 7/18
5:25 am-2:50 pm
1 stop7h 25m
$472
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Fri 7/10
3:05 pm-9:00 pm
1 stop7h 55m
Salt Lake City
Thu 7/16
11:35 pm-8:20 am
1 stop6h 45m
$503
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
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Sat 7/11
9:00 am-8:56 pm
3 stops13h 56m
Salt Lake City
Sat 7/18
7:00 am-12:30 pm
2 stops27h 30m
$1,724
Cheapest one-way
Quickest one-way
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
Fri 6/26
12:30 pm-7:35 pm
2 stops9h 05m
$299
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Sun 6/28
6:00 am-3:30 pm
1 stop11h 30m
$359
IslipSalt Lake City
ISP - SLC
ISPSLC
Islip Long Island
Fri 6/26
2:28 pm-4:11 pm
3 stops27h 43m
$416
Sorted by cheapest first
Compare providers for flights from Islip to Salt Lake City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Salt Lake City in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Islip, New York-Salt Lake City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Salt Lake City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Salt Lake City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Salt Lake City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Salt Lake City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Islip to Salt Lake City
Have a flexible travel schedule? Discover the best time to fly to Salt Lake City 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.
Reviews of airlines servicing Salt Lake City
Get insights into the airlines that provide service to Salt Lake City. 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 Salt Lake City. Reviews last updated June 13, 2026.
Peruse reviews from past customers who have flown with Southwest from Islip to Salt Lake City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
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 Salt Lake City. 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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Islip and Salt Lake City flights
Browse other Islip and Salt Lake City flight options. Last updated on June 13, 2026.
Other flights from Islip
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Explore flights to Salt Lake City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 13, 2026.
Top airline flying from Islip to Salt Lake City
Discover the top airline that operate flights from Islip to Salt Lake City. 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$402 | Average$638 | FlexibilityNo cancel fee | On-time63% |