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$75+ Cheap flights from Islip, NY (ISP) to Maryland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BWI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Islip to Maryland

Cheapest flights from Islip to Maryland
Explore the most affordable flight options available from Islip to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amISP - BWI
1 stop25h 22mFrontier
Fri 12/1910:00 pmBWI - ISP
1 stop19h 55mFrontier
Deal found 12/11$292
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:19 amISP - PHL
1 stop23h 41mFrontier
Tue 12/1610:00 pmPHL - ISP
1 stop24h 44mFrontier
Deal found 12/11$296
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:19 amISP - PHL
2 stops14h 17mMultiple Airlines
Tue 12/1610:00 pmPHL - ISP
1 stop26h 38mMultiple Airlines
Deal found 12/11$311
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:19 amISP - PHL
1 stop23h 41mFrontier
Wed 12/174:00 pmPHL - ISP
1 stop19h 25mFrontier
Deal found 12/11$332
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amISP - BWI
1 stop25h 22mFrontier
Thu 12/188:18 pmBWI - ISP
2 stops16h 24mFrontier
Deal found 12/10$340
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:19 amISP - PHL
2 stops14h 17mMultiple Airlines
Wed 12/174:00 pmPHL - ISP
1 stop19h 25mMultiple Airlines
Deal found 12/11$347
This Kiwi.com deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amISP - PHL
2 stops13h 18mMultiple Airlines
Mon 12/2210:00 pmPHL - ISP
1 stop13h 25mMultiple Airlines
Deal found 12/9$349
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:40 pmISP - BWI
1 stop20h 49mMultiple Airlines
Mon 12/299:09 pmBWI - ISP
1 stop14h 16mMultiple Airlines
Deal found 12/11$362
This Kiwi.com deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:40 pmISP - PHL
1 stop19h 25mFrontier
Mon 12/2210:00 pmPHL - ISP
1 stop13h 25mFrontier
Deal found 12/9$362
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:29 pmISP - PHL
1 stop16h 20mFrontier
Wed 12/174:00 pmPHL - ISP
1 stop8h 38mFrontier
Deal found 12/11$381
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:19 pmISP - BWI
2 stops10h 15mMultiple Airlines
Mon 12/299:09 pmBWI - ISP
1 stop14h 16mMultiple Airlines
Deal found 12/10$390
This Kiwi.com deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:29 pmISP - PHL
2 stops15h 34mMultiple Airlines
Wed 12/174:00 pmPHL - ISP
1 stop8h 38mMultiple Airlines
Deal found 12/11$421

Find flight deals from Islip to Maryland

Keep the following information in mind while searching for Islip to Maryland flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$166
(Kiwi.com)

One-way from

$75
(Trip.com)

Popular in

January

Cheapest in

April

Average price

$254

Good round-trip deal

$313 or less

Good one-way deal

$224 or less
Provider with most accurate pricing for New York (NYC)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Washington, D.C. (WAS) flights.
Search Deals
From Islip Long Island to Maryland
Search Deals
One-way flight from Islip Long Island to Maryland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Islip Long Island to Maryland.
Search Deals
Price to beat on a one-way flight from Islip Long Island to Maryland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Maryland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Islip to Maryland that are best for you.

Fly from

Islip

Fly to

Maryland

Route

Depart

Return

Price

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 1/7

11:50 am-6:36 pm

1 stop6h 46m

Philadelphia

Tue 1/20

5:07 pm-11:10 am

2 stops18h 03m

$169

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Tue 1/13

8:00 am-10:36 pm

1 stop14h 36m

Baltimore/Washington

Thu 1/15

6:10 am-7:50 pm

2 stops13h 40m

$170

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Tue 1/13

8:00 am-10:36 pm

1 stop14h 36m

Baltimore/Washington

Wed 1/14

11:30 am-10:46 pm

1 stop11h 16m

$193

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Thu 1/8

8:40 pm-10:21 am

1 stop13h 41m

Baltimore/Washington

Thu 1/15

4:44 pm-8:09 pm

1 stop27h 25m

$232

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Mon 1/12

2:01 pm-10:27 am

2 stops20h 26m

Baltimore/Washington

Fri 1/16

4:44 pm-10:46 pm

1 stop30h 02m

$235

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Mon 1/12

2:01 pm-10:27 am

2 stops20h 26m

Baltimore/Washington

Wed 1/14

11:30 am-10:46 pm

1 stop11h 16m

$262

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Tue 1/13

3:45 pm-5:05 pm

Nonstop1h 20m

Baltimore/Washington

Thu 1/15

10:45 am-11:55 am

Nonstop1h 10m

$272

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Mon 1/12

12:40 pm-2:05 pm

Nonstop1h 25m

Baltimore/Washington

Wed 1/14

10:45 am-11:55 am

Nonstop1h 10m

$272

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Mon 2/2

6:00 am-7:30 am

Nonstop1h 30m

Baltimore/Washington

Tue 2/3

10:45 am-11:55 am

Nonstop1h 10m

$272

IslipBaltimore

ISP - BWI

ISPBWI

Islip Long Island

Mon 1/12

12:40 pm-2:05 pm

Nonstop1h 25m

Baltimore/Washington

Thu 1/15

10:45 am-11:55 am

Nonstop1h 10m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 37 results
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Best time to book a flight from Islip to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Maryland

What is the cheapest month to book a flight from Islip, New York to Maryland?

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Maryland (average of $121). Flying from Islip, New York to Maryland in February is currently the most expensive (average of $353). 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.

What is the cheapest time of day to fly from ISP to MD?

Find hourly flight availability from Islip to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Islip, New York to Maryland in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Southwest from Islip to Maryland by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Islip to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Maryland?

    Located just 7.2 mi from the city center, Islip Long Island (ISP) is the airport most travelers will use when flying to Maryland from Islip.

  • How popular is this Islip, New York to Maryland flight route?

    The Islip Long Island to Maryland flight path was viewed by 11 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Islip, New York to Maryland?

    A quick flight from Islip, New York to Maryland can take about 6h 30m. Frontier provides one of the quickest options available for as low as $367. There are 248 mi between Islip, New York and Maryland. This flight may include one or multiple stops.

  • What are the most popular routes from Islip, New York to Maryland?

    The most popular flight routes from Islip, New York to Maryland are Islip Long Island - Baltimore/Washington, Islip Long Island - Washington, D.C. Reagan-National and Islip Long Island - Philadelphia.

  • What are the cheapest flights from Islip, New York to Maryland?

    Looking at all options, your cheapest flight can be booked for $50. While the most popular route (Islip Long Island - Baltimore/Washington) can be booked for $262 on average, our data indicates $351 when flying from Islip, New York to Maryland.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Islip, New York to Maryland?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Maryland (average of $121). Flying from Islip, New York to Maryland in February is currently the most expensive (average of $353). 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.

See more FAQs

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Alternative routes for Islip to Maryland

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Top airline flying from Islip to Maryland

Discover the top airline that operate flights from Islip to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$250Average$351FlexibilityNo cancel feeOn-time63%

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