$280+ Cheap flights from Islip, NY to Salt Lake City (ISP - SLC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SLC
Oct 12 — Oct 191
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
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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 September 12, 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 September 12, 2026.
This Southwest deal was found by Cheapflights users on 9/10. 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 12/1012:30 pm -
2 stops11h 30m
Sun 12/133:35 pm -
1 stop5h 55m
Deal found 9/10![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 9/11. 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 9/266:00 am -
2 stops13h 40m
Wed 9/3011:10 am -
1 stop8h 00m
Deal found 9/11![Southwest logo]()
$622
This Southwest deal was found by Cheapflights users on 9/10. 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 10/13:10 pm -
2 stops10h 35m
Fri 10/23:40 pm -
1 stop5h 55m
Deal found 9/10![Southwest logo]()
$658
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 9/246:10 am -
1 stop7h 15m
Mon 9/286:55 am -
2 stops13h 15m
Deal found 9/9![Southwest logo]()
$825
This Frontier deal was found by Cheapflights users on 9/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:40 pm -
2 stops17h 17m
Wed 12/25:00 pm -
2 stops14h 01m
Deal found 9/7![Frontier logo]()
$906
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 September 12, 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 September 12, 2026.
This Southwest deal was found by Cheapflights users on 9/10. 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 12/1012:30 pm -
2 stops11h 30m
Sun 12/133:35 pm -
1 stop5h 55m
Deal found 9/10![Southwest logo]()
$412
This Frontier deal was found by Cheapflights users on 9/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:40 pm -
2 stops17h 17m
Wed 12/25:00 pm -
2 stops14h 01m
Deal found 9/7![Frontier logo]()
$906
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 2/1210:00 am -
2 stops12h 25m
Tue 2/167:30 am -
2 stops8h 45m
Deal found 9/8![Southwest logo]()
$498
This Southwest deal was found by Cheapflights users on 9/11. 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 9/265:30 am -
1 stop12h 50m
Wed 9/3011:10 am -
1 stop8h 00m
Deal found 9/11![Southwest logo]()
$622
This Southwest deal was found by Cheapflights users on 9/10. 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 10/13:10 pm -
2 stops10h 35m
Fri 10/23:40 pm -
1 stop5h 55m
Deal found 9/10![Southwest logo]()
$658
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 9/246:10 am -
1 stop7h 15m
Mon 9/286:55 am -
2 stops13h 15m
Deal found 9/9![Southwest logo]()
$825
Last-minute flights from Islip to Salt Lake CityDiscover last-minute flight deals from Islip to Salt Lake City. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Salt Lake City. Data last updated September 12, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:26 pm -
2 stops32h 01m
Wed 9/2311:59 pm -
2 stops11h 31m
Deal found 9/9![Multiple Airlines logo]()
$1,497
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/204:26 pm -
2 stops32h 01m
Wed 9/2311:59 pm -
2 stops37h 37m
Deal found 9/10![JetBlue logo]()
$1,526
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 9/246:10 am -
1 stop7h 15m
Mon 9/286:55 am -
2 stops13h 15m
Deal found 9/9![Southwest logo]()
$825
This Southwest deal was found by Cheapflights users on 9/11. 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 9/266:00 am -
2 stops13h 40m
Wed 9/3011:10 am -
1 stop8h 00m
Deal found 9/11![Southwest logo]()
$622
This Southwest deal was found by Cheapflights users on 9/10. 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 10/13:10 pm -
2 stops10h 35m
Fri 10/23:40 pm -
1 stop5h 55m
Deal found 9/10![Southwest logo]()
$658
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 September 12, 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 September 12, 2026.
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 10/23:10 pm -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/29:33 pm -
3 stops22h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$366
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:55 pm -
2 stops15h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$388
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/19:56 am -
2 stops23h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$535
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/49:56 am -
2 stops16h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$559
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/309:56 am -
2 stops16h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$720
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $412 (Southwest) |
One-way from | $280 (Southwest) |
Popular in | December |
Cheapest in | January |
Average price | $502 |
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 7,457,451 searches. Data last updated September 12, 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
Quickest round-trip
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Fri 10/2
3:10 pm-11:45 pm
2 stops10h 35m
Salt Lake City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$280
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Mon 10/26
6:55 pm-8:34 am
2 stops15h 39m
Salt Lake City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$388
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Thu 12/10
12:30 pm-10:00 pm
2 stops11h 30m
Salt Lake City
Sun 12/13
3:35 pm-11:30 pm
1 stop5h 55m
$412
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Fri 2/12
10:00 am-8:25 pm
2 stops12h 25m
Salt Lake City
Tue 2/16
7:30 am-6:15 pm
2 stops8h 45m
$498
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Fri 1/1
9:56 am-7:44 am
2 stops23h 48m
Salt Lake City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$535
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Mon 1/4
9:56 am-12:30 am
2 stops16h 34m
Salt Lake City
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$559
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Sat 9/26
5:30 am-4:20 pm
1 stop12h 50m
Salt Lake City
Wed 9/30
11:10 am-9:10 pm
1 stop8h 00m
$622
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Thu 10/1
3:10 pm-11:45 pm
2 stops10h 35m
Salt Lake City
Fri 10/2
3:40 pm-11:35 pm
1 stop5h 55m
$658
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Thu 9/24
6:10 am-11:25 am
1 stop7h 15m
Salt Lake City
Mon 9/28
6:55 am-10:10 pm
2 stops13h 15m
$825
IslipSalt Lake City
ISP Islip Long Island - SLC Salt Lake City
ISPSLC
Islip Long Island
Wed 11/25
4:40 pm-7:57 am
2 stops17h 17m
Salt Lake City
Wed 12/2
5:00 pm-9:01 am
2 stops14h 01m
$906
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 September.
| 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 September 12, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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.
Traveling to a place near Salt Lake City?
Book flights to Salt Lake City if you plan to visit one of these locationsLehi
Farmington
Midvale
West Valley City
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Layton
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Islip and Salt Lake City flights
Browse other Islip and Salt Lake City flight options. Last updated on September 12, 2026.
Other flights from Islip
Browse through other flights departing from Islip. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Popular flight searches
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Other flights to Salt Lake City
Explore flights to Salt Lake City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 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 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$691 | FlexibilityNo cancel fee | On-time63% |