What is the cheapest airline to fly from Islip, New York to Salt Lake City round-trip?

According to our current data, Southwest ($424), offers the cheapest pricing from Islip, New York to Salt Lake City.

How far in advance should I book a flight from Islip, New York to Salt Lake City?

To save up to 52% on this flight, we recommend booking at least 31 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Islip, New York to Salt Lake City from $451 1-2 weeks out and tickets from $629 for flights departing within the next 72 hours.

What is the cheapest month to fly from Islip, New York to Salt Lake City?

November can be a great time to fly to Salt Lake City from Islip, New York with a flight ticket averaging about $450. Cheapflights users have found deals in the month of November for as cheap as $144. The most expensive prices can be found in the month of February.

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.

Can I find deals for flights from Islip to Salt Lake City that include hotel bookings?

Yes. In addition to deals on Islip to Salt Lake City flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Islip to Salt Lake City?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Salt Lake City.

Can I find deals for business class flights from Islip to Salt Lake City?

Yes. Cheapflights offers flight deals from Islip to Salt Lake City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$175+ Flights from Islip, NY to Salt Lake City

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1. Tell us where you want to go

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Cheap flight deals from Islip to Salt Lake City

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$424 (Southwest)
One-way from	$175 (Southwest)
Popular in	February
Cheapest in	November
Average price	$526

Provider with most accurate pricing for Islip Long Island-Salt Lake City flight deals.

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Provider most trusted by Cheapflights users for Islip Long Island-Salt Lake City flights.

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From Islip Long Island to Salt Lake City

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One-way flight from Islip Long Island to Salt Lake City

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Highest demand for flights based on searches. 13% potential increase in price ($70 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Find flight deals from Islip to Salt Lake City

Cheapest flights from Islip to Salt Lake City
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 March 26, 2025.

Fri 5/95:40 amISP - SLC

1 stop8h 20mSouthwest

Mon 5/121:55 pmSLC - ISP

1 stop7h 10mSouthwest

Deal found 3/24

$424

Best flights from Islip to Salt Lake City
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 March 26, 2025.

Fri 5/95:40 amISP - SLC

1 stop8h 20mSouthwest

Mon 5/121:55 pmSLC - ISP

1 stop7h 10mSouthwest

Deal found 3/24

$424

Last-minute flights from Islip to Salt Lake City
Discover last-minute flight deals from Islip to Salt Lake City. Data last updated March 26, 2025 and is based on user searches.

Tue 3/256:30 amISP - SLC

1 stop7h 05mSouthwest

Tue 4/12:35 pmSLC - ISP

1 stop6h 00mSouthwest

Deal found 3/24

$937

One-way flights from Islip to Salt Lake City
Search for one-way flight options from Islip to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Wed 7/26:00 amISP - SLC

2 stops10h 20mSouthwest

Deal found 3/25

$175

Wed 7/22:12 pmISP - SLC

3 stops25h 58mMultiple Airlines

Deal found 3/25

$426

Cheapflights Fare Finder

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

Fri 5/9

5:40 am-12:00 pm

1 stop8h 20m

Salt Lake City

Mon 5/12

1:55 pm-11:05 pm

1 stop7h 10m

$424

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Wed 7/2

6:00 am-2:20 pm

2 stops10h 20m

$175

IslipSalt Lake City

ISP - SLC

ISPSLC

Islip Long Island

Wed 7/2

2:12 pm-2:10 pm

3 stops25h 58m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Compare providers for flights from Islip to Salt Lake City

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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.

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 Salt Lake City

What is the cheapest month to book a flight from Islip, New York to Salt Lake City?

Currently, October is the cheapest month in which you can book a flight from Islip, New York to Salt Lake City (average of $277). Flying from Islip, New York to Salt Lake City in March is currently the most expensive (average of $417). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ISP to SLC?

When flying from Islip, New York to Salt Lake City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Salt Lake City by month

In terms of precipitation, rainfall in Salt Lake City ranges from 0.6 - 2.0 inches per month. April is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Salt Lake City when rainfall is around 0.6 in.

Temperature in Salt Lake City by month

If weather is an important factor for your trip to Salt Lake City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Salt Lake City

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,273 reviews

Southwest

8.1

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What is the cheapest airline to fly from Islip, New York to Salt Lake City round-trip?
According to our current data, Southwest ($424), offers the cheapest pricing from Islip, New York to Salt Lake City.
Can I find deals for flights from Islip to Salt Lake City that include hotel bookings?
Yes. In addition to deals on Islip to Salt Lake City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Salt Lake City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Salt Lake City.
Can I find deals for business class flights from Islip to Salt Lake City?
Yes. Cheapflights offers flight deals from Islip to Salt Lake City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Islip, New York to Salt Lake City?
Currently, October is the cheapest month in which you can book a flight from Islip, New York to Salt Lake City (average of $277). Flying from Islip, New York to Salt Lake City in March is currently the most expensive (average of $417). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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$175+ 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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Salt Lake City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Islip to Salt Lake City

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Islip to Salt Lake City

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 March 26, 2025.

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 March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to Salt Lake City that are best for you.

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 March.

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.

Cheapflights Insights

Everything you need to know about your flight from Islip to Salt Lake City

What is the cheapest month to book a flight from Islip, New York to Salt Lake City?

What is the cheapest time of day to fly from ISP to SLC?

Find hourly flight availability from Islip to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

Rainfall in Salt Lake City by month

Plan your trip to Salt Lake City by taking into account the average rainfall totals by month.

Temperature in Salt Lake City by month

Plan your trip to Salt Lake City by taking into account the average temperature totals by month.

Reviews of airlines servicing Salt Lake City

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.

What is the cheapest airline to fly from Islip, New York to Salt Lake City round-trip?

Can I find deals for flights from Islip to Salt Lake City that include hotel bookings?

How can I find direct flights from Islip to Salt Lake City?

Can I find deals for business class flights from Islip to Salt Lake City?

What is the cheapest month to book a flight from Islip, New York to Salt Lake City?

Traveling to a place near Islip?

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Cheapest flights from Islip to Salt Lake City
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 March 26, 2025.