Cheap Flights from Houston Hobby (HOU) to Islip (ISP)

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      Travelers and cabin class, 1 Adult, Economy

      Compare Houston Hobby to Islip flight deals

      Find the cheapest month or even day of the year to fly to Islip

      Book the best Islip fare with no extra fees

      Flight deals from Houston Hobby to Islip

      Looking for a cheap last-minute deal or the best round-trip flight from Houston Hobby to Islip? Find the lowest prices on one-way and round-trip tickets right here.

      Houston Hobby to Islip: Alternative routes

      Compare routes from Houston Hobby to Islip below. You may find an airport to fly into that's cheaper, faster, or easier than Islip.

      Finding cheap flights from Houston Hobby to Islip: Frequently asked questions

      The best price we found for a round-trip flight from Houston Hobby to Islip is $240. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Houston Hobby to Islip. But we found flights with one or more stops from $240.
      There are no flights flying from Houston Hobby to Islip, as of July 2025.
      The cheapest month to fly from Houston Hobby to Islip is usually August.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston Hobby Airport to Islip Airport on Wednesday, August 20, 2025.
      No airlines currently offer direct flights between Houston Hobby Airport and Islip Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Islip but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Islip is around 40 days in advance, so don’t leave your flight to the last minute.
      Currently, Southwest Airlines offers the cheapest flight tickets to Islip.

      How to find cheap flights to Islip from Houston Hobby

      Looking for cheap tickets from Houston Hobby to Islip? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

      • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Houston Hobby to Islip. And with us, there are no hidden fees – what you see is what you pay.
      • Compare flight deals to Islip from Houston Hobby from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
      • Flex your dates to find the best Houston Hobby–Islip ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Islip from Houston Hobby.
      • Set up a Price Alert. You can easily track the fare of your cheap Houston Hobby–Islip flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
      • Fly without stops. Only interested in direct flights between Houston Hobby and Islip? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
      • Find the cheapest Business Class flights from Houston Hobby and Islip. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Islip, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
      • Include nearby airports in your search. Widen your search for Houston Hobby to Islip flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.
      • Combine your flight to Islip from Houston Hobby with hotels and car rental

        Once you've secured your cheap flight ticket from Houston Hobby to Islip, discover the best prices and exclusive rates for hotels in Islip or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.