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Johnson City

Cheap flights from Islip, NY (ISP) to Johnson City, TN, TN

ISP — TYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Islip to Johnson City

Keep the following information in mind while searching for Islip to Johnson City flight deals. Data was last updated June 12, 2025.

Popular in

December

Cheapest in

September

Average price

$564
Highest demand for flights based on searches. 27% potential increase in price ($200 potential increase over avg. RT price).
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Cheapest flight prices on average. 16% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Cheapflights Insights

Everything you need to know about your flight from Islip to Johnson City

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Johnson City (average of $296). Flying from Islip, New York to Johnson City in March is currently the most expensive (average of $376). 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.

Related info for your journey

Find useful and relevant information for your journey from Islip to Johnson City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Johnson City?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Johnson City. 1 airline have flights from Long Island to Johnson City on a regular basis. Booking flights from Islip Long Island to Johnson City should not be difficult; the airport handles an average of 0 outbound flights to Johnson City per day.

  • Can I find deals for flights from Islip to Johnson City that include hotel bookings?

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

  • How can I find direct flights from Islip to Johnson City?

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

  • Can I find deals for business class flights from Islip to Johnson City?

    Yes. Cheapflights offers flight deals from Islip to Johnson 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 Johnson City?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Johnson City (average of $296). Flying from Islip, New York to Johnson City in March is currently the most expensive (average of $376). 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.

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Top airline flying from Islip to Johnson City

Discover the top airline that operate flights from Islip to Johnson 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$218Average$386FlexibilityNo cancel feeOn-time63%

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