Cheap Flights from Islip (ISP) to Morristown (MMU)

Popular airlines from MacArthur Airport (ISP) to Morristown, NJ (MMU-Morristown Municipal)

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Alternative airports near Morristown

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Liberty Intl. EWR. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $451
EWR
Liberty Intl.
Cheapest
Average driving time to city center26 min
Flights from $451
Select flight to LaGuardia LGA. Average driving time to city center is 1 hour 0 minutes. Flights from $523
LGA
LaGuardia
Average driving time to city center1 h 0 min
Flights from $523
Flights from Islip (ISP) to Morristown (MMU)
Origin airport
MacArthur
Destination airport
Morristown Municipal
Distance
69 mi

Islip to Morristown Flights

The cheapest times to fly from Islip to Morristown

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 Morristown are during the month of . You can find some of the cheapest flights from Islip to Morristown with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Morristown

Sunday is one of the best days to book for cheap flights from Islip to Morristown: 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 Morristown

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 Morristown in 2025. 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 Morristown 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 Morristown 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.

 

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Morristown Municipal Airport (MMU) cost?
Snag a cheap one-way flight or cheap return flight from MacArthur Airport (ISP) to Morristown Municipal Airport (MMU) 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 Morristown Municipal Airport (MMU)?
The cheapest month to fly from ISP to MMU is , when there's less demand. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Morristown Municipal Airport (MMU)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from ISP to MMU. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from MacArthur Airport (ISP) to Morristown Municipal Airport (MMU)?
There are no daily nonstop flights departing from MacArthur Airport (ISP) to Morristown Municipal Airport (MMU). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from ISP to MMU?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on various 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 Morristown Municipal Airport (MMU)?
Choose a flight from MacArthur Airport (ISP) to Morristown Municipal Airport (MMU) that takes off before 3 PM to reduce the likelihood of delays and 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 Morristown Municipal Airport (MMU) last-minute?
Booking your flight from ISP to MMU shortly before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ISP to MMU flight and hotel package?
Compared with arranging hotels and flights separately, booking an ISP to MMU flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Morristown Municipal Airport (MMU)?
In most instances, you're able to reschedule or cancel your ISP to MMU flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.