Cheap flights from Seattle to Islip (SEA - ISP)

SEA — ISP
Apr 23 — Apr 301

Cheap flight deals from Seattle to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Islip (ISP). 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 April 18, 2024.

Round-trip from

$214
From Seattle/Tacoma Intl to Islip Long Island

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 46 days in advance, which can save you up to 43% on flights from Seattle to Islip, New York compared to booking the week you need them. Waiting 46 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $349. For sooner than that we have options available in the next 3 days from $506.

What is the cheapest month to fly from Seattle to Islip, New York?

January is one of the best times of the year to fly to Islip, New York from Seattle. Prices for January average $344 per person but you can even find prices for as low as $149. The most expensive prices can be found in the month of June. Opting for a January flight can save you 30% on your journey compared to booking in June

When is the cheapest time to fly from Seattle to Islip, New York (SEA - ISP)?

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

No data available for this route at this time. Please check back soon.

Average price of flights to Islip by month

Plan your trip from Seattle to Islip by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Islip is currently $0 while a round-trip flight costs $0. Price data was last updated on April 14, 2024.

Currently, December is the cheapest month in which you can book a flight from Seattle to Islip, New York (average of $78). Flying from Seattle to Islip, New York in February is currently the most expensive (average of $151). 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.

January

$101

February

$151

March

$135

April

$118

May

$134

June

$138

July

$150

August

$111

September

$90

October

$98

November

$88

December

$78

Temperature and rainfall in Islip by month

Plan your trip to Islip by taking into account the average temperature and rainfall totals by month.

NYC

Temperature

33.8 - 77 °F

Related info for your journey

Find useful and relevant information for your journey from Seattle to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What does SEA to ISP mean?

    SEA stands for Seattle/Tacoma Intl Airport, while ISP stands for Islip Long Island Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Seattle to Islip that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Islip flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Islip with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Islip flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Seattle to Islip?

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

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

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

  • Can I find deals for flights from Seattle to Islip that allow pets onboard?

    Many airlines flying from Seattle to Islip offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Islip?

    Yes, you can often find last-minute deals on Seattle to Islip flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights from Seattle to Islip by cabin class

Find flights from Seattle to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Islip?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Islip from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Islip?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Islip by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Islip with no change fees?

Certainly. Search results for flights to Islip from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Islip become cheaper?

Of course! You can now track prices for flights from Seattle to Islip and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.