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Islip

$50+ Cheap flights from Maryland to Islip, NY (ISP)

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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ISP
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Maryland to Islip

Keep the following information in mind while searching for Maryland to Islip flight deals. Data was last updated November 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$117
(Southwest)

One-way from

$50
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$189

Good round-trip deal

$470 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-New York (NYC) flights.
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From Maryland to Islip Long Island
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One-way flight from Maryland to Islip Long Island
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Highest demand for flights based on searches. 13% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Maryland to Islip Long Island.
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Find flight deals from Maryland to Islip

Cheapest flights from Maryland to Islip
Explore the most affordable flight options available from Maryland to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:12 pmPHL - ISP
2 stops17h 01mFrontier
Fri 12/191:27 pmISP - PHL
1 stop11h 13mFrontier
Deal found 11/12$164
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 12/129:11 pmBWI - ISP
1 stop12h 02mMultiple Airlines
Sun 12/1411:40 amISP - BWI
2 stops20h 02mMultiple Airlines
Deal found 11/12$200
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:55 pmBWI - ISP
Nonstop1h 10mSouthwest
Tue 12/165:40 amISP - BWI
Nonstop1h 20mSouthwest
Deal found 11/10$228
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 11/186:50 pmPHL - ISP
1 stop15h 47mFrontier
Thu 11/2010:02 amISP - PHL
1 stop28h 12mFrontier
Deal found 11/11$230
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 11/181:57 pmPHL - ISP
1 stop20h 40mMultiple Airlines
Thu 11/207:36 pmISP - PHL
2 stops16h 44mMultiple Airlines
Deal found 11/11$234
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/119:11 pmBWI - ISP
2 stops22h 56mMultiple Airlines
Tue 12/168:29 pmISP - BWI
1 stop12h 53mMultiple Airlines
Deal found 11/10$237
This Expedia deal was found by Cheapflights users on 11/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:50 amDCA - ISP
1 stop7h 42mJetBlue
Sun 11/3010:50 amISP - DCA
1 stop6h 31mJetBlue
Deal found 11/11$243
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 11/288:35 amIAD - ISP
1 stop23h 27mFrontier
Tue 12/28:29 pmISP - IAD
2 stops18h 00mFrontier
Deal found 11/13$253
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 11/278:45 pmBWI - ISP
1 stop13h 52mMultiple Airlines
Mon 12/19:02 amISP - BWI
2 stops24h 34mMultiple Airlines
Deal found 11/12$266
This Trip.com deal was found by Cheapflights users on 11/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:44 amIAD - ISP
1 stop24h 23mFrontier
Sun 11/308:25 pmISP - IAD
1 stop11h 20mFrontier
Deal found 11/13$308
This Frontier deal was found by Cheapflights users on 11/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/139:20 pmIAD - ISP
1 stop13h 00mFrontier
Sun 12/212:04 pmISP - IAD
1 stop6h 59mFrontier
Deal found 11/12$310
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 12/47:18 pmIAD - ISP
2 stops24h 16mMultiple Airlines
Sun 12/712:00 pmISP - IAD
1 stop7h 55mMultiple Airlines
Deal found 11/13$315

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to Islip 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 November 13, 2025.
Use the filters below to find and compare flights from Maryland to Islip that are best for you.

Fly from

Maryland

Fly to

Islip

Route

Depart

Return

Price

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Wed 1/14

3:10 pm-4:15 pm

Nonstop1h 05m

Islip Long Island

Wed 1/21

12:40 pm-2:05 pm

Nonstop1h 25m

$117

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Fri 12/12

4:12 pm-9:13 am

2 stops17h 01m

Islip Long Island

Fri 12/19

1:27 pm-12:40 am

1 stop11h 13m

$164

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Wed 1/14

11:30 am-10:46 pm

1 stop11h 16m

Islip Long Island

Wed 1/21

11:50 am-5:27 pm

2 stops29h 37m

$173

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Thu 12/11

8:55 pm-10:05 pm

Nonstop1h 10m

Islip Long Island

Tue 12/16

5:40 am-7:00 am

Nonstop1h 20m

$228

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Thu 12/11

9:11 pm-8:07 pm

2 stops22h 56m

Islip Long Island

Tue 12/16

8:29 pm-9:22 am

1 stop12h 53m

$237

Washington, D.C.Islip

DCA - ISP

DCAISP

Washington, D.C. Reagan-National

Wed 11/26

11:50 am-7:32 pm

1 stop7h 42m

Islip Long Island

Sun 11/30

10:50 am-5:21 pm

1 stop6h 31m

$243

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Fri 11/28

8:35 am-8:02 am

1 stop23h 27m

Islip Long Island

Tue 12/2

8:29 pm-2:29 pm

2 stops18h 00m

$253

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Thu 11/27

8:45 pm-10:37 am

1 stop13h 52m

Islip Long Island

Mon 12/1

9:02 am-9:36 am

2 stops24h 34m

$266

BaltimoreIslip

BWI - ISP

BWIISP

Baltimore/Washington

Fri 1/2

10:45 pm-11:55 pm

Nonstop1h 10m

Islip Long Island

Thu 1/8

6:00 am-7:30 am

Nonstop1h 30m

$275

Washington, D.C.Islip

IAD - ISP

IADISP

Washington, D.C. Dulles Intl

Wed 11/26

8:44 am-9:07 am

1 stop24h 23m

Islip Long Island

Sun 11/30

8:25 pm-7:45 am

1 stop11h 20m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 60 results
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Best time to book a flight from Maryland to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Maryland 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 Maryland to Islip

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

Currently, November is the cheapest month in which you can book a flight from Maryland to Islip, New York (average of $157). Flying from Maryland to Islip, New York in December is currently the most expensive (average of $330). 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 MD to ISP?

Find hourly flight availability from Maryland to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 9% on flights from Maryland to Islip, New York by exploring options for tickets in the morning.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Islip. 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 into for flights to Islip from Maryland?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Maryland to Islip.

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

    Flights from Maryland to Islip Long Island have been viewed 3 times in the past calendar month.

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

    A quick flight from Maryland to Islip, New York can take about 1h 05m. Southwest provides one of the quickest options available for as low as $117. Maryland and Islip, New York are separated by a distance of 219 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Maryland to Islip, New York one-way?

    The cheapest airlines for a one-way flight from Maryland to Islip, New York are Southwest ($59), Avelo Airlines ($87), and Frontier ($92).

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

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

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

    While on average a flight from Maryland to Islip, New York is generally $675, our data shows the cheapest flight currently is $371. When looking at the most popular route, (Baltimore/Washington - Islip Long Island), you can expect to pay $117 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland to Islip 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 Maryland to Islip, New York?

    Currently, November is the cheapest month in which you can book a flight from Maryland to Islip, New York (average of $157). Flying from Maryland to Islip, New York in December is currently the most expensive (average of $330). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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Alternative routes for Maryland to Islip

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Top airline flying from Maryland to Islip

Discover the top airline that operate flights from Maryland to Islip. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$231Average$385FlexibilityNo cancel feeOn-time63%

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