Cheap Flights from Islip (ISP) to Shannon (SNN)

Popular airlines from MacArthur Airport (ISP) to Shannon Airport (SNN)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Shannon Airport (SNN) cost?
Get a cheap one-way flight or cheap return flight from MacArthur Airport (ISP) to Shannon Airport (SNN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Shannon Airport (SNN)?
Traveling in may help you find better deals, as it's the cheapest month for flights between ISP and SNN. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Shannon Airport (SNN)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ISP to SNN flight.
How many flights per day from MacArthur Airport (ISP) to Shannon Airport (SNN)?
There are no daily direct flights departing from MacArthur Airport (ISP) to Shannon Airport (SNN). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from ISP to SNN?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Shannon Airport (SNN)?
Opt for a flight from MacArthur Airport (ISP) to Shannon Airport (SNN) that takes off before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Shannon Airport (SNN) last-minute?
Last-minute bookings from ISP to SNN are typically more expensive. To lock in the lowest rates, start looking for flights as soon as possible. That said, if you're flexible with your travel dates, it's possible to find a cheap fare right before your trip.
Is it cheaper to book an ISP to SNN flight and hotel package?
Securing an ISP to SNN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Shannon Airport (SNN)?
Generally, it's possible to cancel or reschedule your ISP to SNN flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
MacArthur
Destination airport
Shannon
Distance
3039 mi

Book with confidence

Islip to Shannon Flights

The cheapest times to fly from Islip to Shannon

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to Shannon are during the month of . You can find some of the cheapest flights from Islip to Shannon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Shannon

Sunday is one of the best days to book for cheap flights from Islip to Shannon: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to Shannon

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to Shannon in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to Shannon flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to Shannon airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Islip to Shannon Flights

Explore a world of travel with Expedia

*Available to One Key members.