Cheap Flights from Baltimore (MTN) to Islip (ISP)

Popular airlines from Baltimore, MD (MTN-Martin State) to MacArthur Airport (ISP)

    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
Flights from Baltimore (MTN) to Islip (ISP)
Origin airport
Martin State
Destination airport
MacArthur
Distance
202 mi

Baltimore to Islip Flights

The cheapest times to fly from Baltimore to Islip

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

 

The best time to book a flight from Baltimore to Islip

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

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 Baltimore to Islip 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 Baltimore to Islip 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 Baltimore to Islip 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 Martin State Airport (MTN) to MacArthur Airport (ISP) cost?
Secure a cheap one-way flight or cheap return flight from Martin State Airport (MTN) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Martin State Airport (MTN) to MacArthur Airport (ISP)?
Planning your trip for is a good way to save, as it's the cheapest month for flights between MTN and ISP. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Martin State Airport (MTN) to MacArthur Airport (ISP)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest MTN to ISP flight.
How many flights per day from Martin State Airport (MTN) to MacArthur Airport (ISP)?
There aren't any daily direct flights from Martin State Airport (MTN) to MacArthur Airport (ISP). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from MTN to ISP?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Martin State Airport (MTN) to MacArthur Airport (ISP)?
To avoid potential delays on the Martin State Airport (MTN) to MacArthur Airport (ISP) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Martin State Airport (MTN) to MacArthur Airport (ISP) last-minute?
Holding off until right before your break to book a ticket from MTN to ISP often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book a MTN to ISP flight and hotel package?
Booking a MTN to ISP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Martin State Airport (MTN) to MacArthur Airport (ISP)?
In most cases, you're able to cancel or reschedule your MTN to ISP flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.