A city skyline at dusk with illuminated buildings and a marina with boats.

£200 Cheap Flights from Islip (ISP) to Baltimore (BWI)

View £200 flight on Wed, 19 Aug 2026Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Baltimore Washington International Airport (BWI)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £200 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost?
You can find one-way and return flights from ISP to BWI with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ISP to BWI ticket fares go up or down.
What is the cheapest month to fly from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The cheapest months to fly from ISP to BWI are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Only one airline offers direct flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall): Southwest Airlines operates 30 direct flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) every week.
What is the cheapest airline that flies from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Southwest Airlines is one of the cheapest airlines offering nonstop return flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), with tickets starting from around £203 for flights that can be booked for departure within the next year. JetBlue Airways offers one of the cheapest connecting return flights on this route, with tickets starting from around £323. These prices are for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
To find a cheap flight from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best airline to fly with from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will differ from traveler to traveler. If you like to fly early, Southwest Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Cape Air offers the most daily flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
You'll find approximately 4 nonstop flights per day from Islip MacArthur (ISP) to Baltimore Washington Intl. Thurgood Marshall (BWI). For even more choices, look at flights that include layovers, as there are around 5 connecting flights per day. Some common connection points include Logan Intl. (BOS), Fort Lauderdale - Hollywood Intl. (FLL), and Orlando Intl. (MCO).
What is the earliest flight from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The earliest flight from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) typically departs at around 5:30 AM local time, operated by Southwest Airlines. This is a seasonal service active in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
You'll typically find the most flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) on a Wednesday, with around 7 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Southwest Airlines, Cape Air, and JetBlue Airways. Flight schedules are fairly consistent throughout the week, so you'll have several flight options on other days too.
What are the most popular departure times for flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The most popular departure times for flights from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) are in the morning, from 6am to 9am. Many major carriers, including Southwest Airlines, Cape Air and JetBlue Airways, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
A non-stop flight from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) typically takes around 1 hour 18 minutes, covering a distance of about 352 kilometers. If you opt for a one-stop flight, your journey will usually be longer, taking about 5 hours. Flights with two or more stops will extend your travel time even further, to around 14 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Islip, NY (ISP) to Baltimore, MD (BWI)?
Select the "Business class" and "First class" filters when looking for Islip, NY (ISP) to Baltimore, MD (BWI) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia?
It's easy to earn miles on a Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Baltimore, MD (BWI) from Islip, NY (ISP)?
If you're planning to travel to Baltimore from MacArthur (ISP), you can fly directly into Baltimore Washington Intl. Thurgood Marshall (BWI) which offers international flights and connections. Some flights may connect through major hubs like Logan Intl. (BOS) before reaching Baltimore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute?
Typically, booking a last minute flight from Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package?
Securing a Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
If you booked your Islip, NY (ISP-MacArthur) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
MacArthur
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Distance
350 km
Average flight time
1 hour 15 mins

Book with confidence

Compare flights from Islip to Baltimore easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Islip to Baltimore. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Baltimore Washington Intl. Thurgood Marshall in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from MacArthur to Baltimore Washington Intl. Thurgood Marshall.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from MacArthur (ISP) to Baltimore Washington Intl. Thurgood Marshall (BWI)

The easiest way to view the best deals on flights from Islip to Baltimore today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from MacArthur to Baltimore Washington Intl. Thurgood Marshall start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Islip and Baltimore
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Islip to Baltimore flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from MacArthur to Baltimore Washington Intl. Thurgood Marshall for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Islip to Baltimore easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.